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In the TrenchesMarc Miller, Windows Developerhttp://blogs.msdn.com/b/marcmill/atom.aspxTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)2005-09-12T00:56:00ZWhat is Open Metadata?http://blogs.msdn.com/b/marcmill/archive/2005/11/02/488475.aspx2005-11-03T03:01:00Z2005-11-03T03:01:00ZIn Windows Vista, you'll be able to register property handlers on your own file types. This is in fact what my PDC Talk was all about. These property handlers are used to expose your file's contents to other parts of the system. They use a standard schema to enable stacking, grouping, filtering, and other metadata-search operations across heterogeneously typed items. The Universal Search Engine will for example call the registered property handlers to enumerate all the properties on each file during indexing. So, indeed, the most important feature that a registered property handler provides is metadata reading. In this sense, the interface for property handlers, IPropertyStore, is a simplified version of IFilter.
But property handlers provide another important feature. They allow the system to write metadata to your file types. Although this introduces extra complexity for the file type designer, it enables many cool end-user features. For example, a user doesn't have to start up the file's associated application in order to change the Author property. Instead, the user can simply select the item from within Explorer and drag it into a different Author stack. Or, just type in the name of the new Author into the preview pane.
Property handlers which support open metadata can reason over properties which aren't intrinsic to the underlying file type. These handlers can accept any value for any property, persist that value, and then return the same value later. And by "any property", I include those properties whose schema is invented after the property hander is written. Quite a trick!
Of course, the platform provides serialization APIs and other services to make it easier to support open metadata (the IPropertyStoreCache implementation returned by SHCreatePropertyStoreOnMemory supports IPersistStream), but usually adding this support to your file format carries some nonzero cost. So why do it? Supporting Open Metadata means that users can organize their files of your type along dimensions that you may not have anticipated. This is a very powerful idea! Here are some example scenarios that come to mind:

The "rating" property in Windows Vista isn't intrinsically supported by most file formats, but it's a cool feature to be able to rate your Visio documents, for example, and then sort or group them by rating.
Imagine an IT manager at a law firm who deploys the "legal case number" and "client name" schema elements onto that firm's computers. The lawyers at the firm will be able to within Explorer (or the Common Item Dialog) assign case numbers and client names to the various documents associated with that case. This could include not only word processing and spreadsheet documents, but other file types like faxes and media files which represent, say, evidence or recordings of hearings.
The IT manager could then get fancy by creating and deploying custom Virtual Folders which perform interesting queries like:
Stack all my documents by their associated legal case number, then group those stacks by client name.
That IT manager will look like a super-star!
Imagine being able to attach a "priority" property to documents, like you can for messages in Outlook. Then you could quickly filter your documents based on their priority.

Open Metadata allows users to enable custom search and organize scenarios across heterogeneous sets of items.

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxCustomize the Windows Vista Start Menu Search Boxhttp://blogs.msdn.com/b/marcmill/archive/2005/10/12/480218.aspx2005-10-12T22:19:00Z2005-10-12T22:19:00ZInternet Explorer has this feature that lets you add search commands to the address bar. For example, with some registry hacks you can make it so that typing "imdb Lord of the Rings" will do an IMDB search. The registry schema is described in more detail here and here and here and probably many other places...
Well, it turns out the search box in the Start menu for Windows Vista Beta 1 has a similar feature. So now you can just hit the Windows key, and then type (for example) "msdn IShellFolder" + <Enter> to do an MSDN search for IShellFolder. In Beta 1, the registry key for programming this is different from the one used for IE, but look for these two be unified in Beta 2. Care of my colleague Bret who owns the start menu search box -- one of my favorite Windows Vista features -- here are some that we've been using:
// // Note, this schema will not be supported in Beta 2, instead // it will be unified with the IE schema for doing this. // [HKEY_CURRENT_USER\Software\Microsoft\Windows\
 CurrentVersion\Explorer\StartPage\Alias] "msdn"="http://search.microsoft.com/search/results.aspx?
 qu=%s&View=msdn" "msn"="http://search.msn.com/results.aspx?q=%s" "stock"="http://moneycentral.msn.com/scripts/webquote.dll?Symbol=%s" "urban"="http://www.urbandictionary.com/define.php?term=%s" "imdb"="http://us.imdb.com/find?q=%s" "wiki"="http://en.wikipedia.org/wiki/Special:Search?search=%s&go=Go"

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxRead Kurt Vonnegut's Bloghttp://blogs.msdn.com/b/marcmill/archive/2005/10/10/479017.aspx2005-10-10T09:20:00Z2005-10-10T09:20:00ZI just finished reading Vonnegut's latest book, A Man Without a Country, a collection of short essays by this national treasure. On the back it says, "Thank God, Kurt Vonnegut has broken his promise that he will never write another book." Indeed!
It struck me that if you squint real hard, then this book is Kurt Vonnegut's blog. Or at least the closest thing he will ever get to having a blog. I mean, he's a hero of mine, but he really is a Luddite, in fact Vonnegut says he welcomes this description. In his words:
Electronic communities build nothing. You wind up with nothing. We are dancing animals. How beautiful it is to get up and go out and do something. We are here on Earth to fart around. Don't let anybody tell you any different.

Pretty funny since the last page of the book is an advertisment for artwork being sold at Vonnegut's web site. I can't wait until my "Goodbye Blue Monday" T-Shirt comes in the mail!
My other heros? Philip Glass, Alan Dershowitz, and Bill Gates. Of the four, Vonnegut is the only one I have yet to meet in person. Which reminds me, I still owe Raymond the story of my meeting with Glass.

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxPIDL Me This: The Explorer Storage Architecturehttp://blogs.msdn.com/b/marcmill/archive/2005/10/06/478067.aspx2005-10-07T04:22:00Z2005-10-07T04:22:00ZThe core Shell storage architecture has existed in some form since Windows 95. Since then, it's been evolving and will continue to as long as Windows is shipping. There are at least three notable places (that I can think of right now) where this storage platform is carried forward in Vista. First, more of the shell core functionality can now operate over non-filesystem places in the shell namespace, which is most evident in the new copy engine API (IFileOperation) and the new common file dialog API (IFileDialog and friends). Second, the addition of a rich shell namespace extension that can reason over the Windows search platform and abstractly distribute queries to multiple providers and scopes including remote queries to other machines. And finally, the addition of the shell property system which brokers property metadata for user interaction and multiplexes properties on items from their various providers.
I will almost certainly be blogging about these three and more in the future, so I'd like as a baseline to briefly discuss some of the high-level concepts of the shell storage architecture. This topic is discussed in greater detail elsewhere (here too), but I'm going use more modern terminology and paint only a conceptual and perhaps more idealistic picture than actually exists. After all, Explorer is both a platform and an application, and sometimes platform beauty has to succumb to the realities of shipping the application with the desired feature set.
The Namespace. The shell namespace is a tree of items, shell items to be precise. You can manipulate these items by using the IShellItem interface. The namespace is rooted at the root item, called the desktop folder. Shell items can have children that are other shell items. And you can enumerate the children of a shell item by binding to its IShellFolder handler and calling EnumObjects. You can ask a shell item for other services as well: you can bind to a stream on that item, you can read metadata for the item, you can get the icon or context menu on the item, you can enumerate and invoke verbs associated with the item, you can register for change notifications on the item, etc. You could build a whole shell-like application in fact by using this API set, and indeed the shell itself uses this API to deliver its user scenarios.
One of my favorite examples of a shell item is a ZIP archive file, because it is an example of an item that behaves both like a leaf node, in that it has streaming content, and a non-leaf node, in that it has child items which themselves can have children and streaming content, etc. In fact, not many people know this, but you can use the shell's namespace object model as a sort of native API for enumerating and extracting ZIP file content.
Junctions. The ZIP file is also an example of something called a junction, which is a place where one type of namespace handler delegates to another namespace handler by exposing an entrypoint to the other handler's namespace from within its own namespace. In the case of ZIP files, the file system namespace handler, which exposes a shell item namespace over the file system, junctions control to the ZIP namespace handler, which exposes a shell item namespace over the contents of a ZIP file.
Another example of a junction is the history folder. If you go into the history folder from the command prompt by saying:
> dir /a "%USERPROFILE%\Local Settings\History" Volume in drive C is CLAUDIA Volume Serial Number is 94C3-00F1 Directory of C:\Documents and Settings\marcmill\Local Settings\History 08/10/2005 04:00 PM <DIR> . 08/10/2005 04:00 PM <DIR> .. 08/10/2005 04:00 PM 113 desktop.ini 10/06/2005 10:54 AM <DIR> History.IE5 1 File(s) 113 bytes 3 Dir(s) 25,113,985,024 bytes free
But if you view the same location in Explorer, you'll see something completely different:

That's because the History folder itself is another one of these junction points. And while the file system doesn't recognize the shell namespace junction points, Explorer does. That's what allows us to have content that appears only in the file system, in this case the history database itself, separated from the content that appears within Explorer.
Using this concept of junctions, the shell item namespace that ships with Windows provides extensibility points where third-party item namespace providers can plug in their own item namespaces. In fact, these same extensibility mechanisms are used internally to deliver features like the History folder, the control panel, and especially the new "virtual folders" feature in Windows Vista. In the case of virtual folders, the ".vfolder" files that you find in your profile directory are akin to ZIP files, in that they are junction points to a shell item namespace that operates over database query results. More on how this works in a later post.
File System Versus Item. Any shell item can be asked if it is really backed by a real file or folder on the file system, and if so, asked for that item's path. It is often tempting as a result to circumvent the shell storage abstraction by extracting the file system path from the shell item, and talking directly to the file system. After all, your code will work in the majority case where the underlying item is actually backed in some way by the file system. And in fact, sometimes this circumvention is required since the shell, for example, provides no abstraction over memory mapping the item's content from its storage.
However, when making a decision to only operate over file-backed items, you should be aware of the potential loss of generality. Do you want, for example, your thumbnail provider to be able to render thumbnails for items that appear inside ZIP files, or on storage devices that plug in to the shell namespace (but not the filesystem)? If you support the abstract storage model, then your code will have more reach.
More to come...

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxFun Keyboard Shortcutshttp://blogs.msdn.com/b/marcmill/archive/2005/10/03/476621.aspx2005-10-04T01:43:00Z2005-10-04T01:43:00Z
I like keyboard shortcuts that put focus in commonly-used edit boxes:

Ctrl+E will put focus in the "search" box in Explorer for Windows Vista Beta 1.
Alt+D will put focus in the address bar in IE.
F11 will put focus in the "find a contact" box in Outlook, this is very useful for quickly looking up someone's phone number.
/ (forward slash) will put focus in the "search" box in gmail (too bad this doesn't work on Google's search results pages).

That last one follows a well-established UNIX convention. In fact, I think more arcane UNIX keyboarding conventions should be brought forward to modern non-terminal-based applications. That's why the edit box in IE's history search allows you to type CTRL+U in order to clear the input field. Some wag intern wired this one up.

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxMSN Search: Better Every Dayhttp://blogs.msdn.com/b/marcmill/archive/2005/10/01/476088.aspx2005-10-02T00:38:00Z2005-10-02T00:38:00ZPeople who know me would probably agree that I am hardly a stooge for marketing. And although I am in general very proud to work for Microsoft, there are definitely things about Microsoft that I'm ashamed of. But one thing that I've been especially impressed by recently has been the quality of search results that I've been getting back from MSN Search.
I've been trying to do all my searches over the past few months using both Google and MSN. Keeping in mind that search engine relevancy is highly subjective and a very personal thing, here is a summary of my impressions. A few months ago when Microsoft launched its MSN Search ad campaign just about every search that I did was better on Google. Over the months, MSN has been getting better and better, but something happened recently and now many of my searches are actually getting better results on MSN than on Google.
Some examples of searches from recent memory where MSN did better:
"Seattle Traffic" (Google) (MSN)
"Football Scores" (Google) (MSN)
"Google Headquarters" (Google) (MSN) -- this is a very funny example from the Microsoft Company Meeting.
Unfortunately, the following search yields much better results on Google than MSN:

"Marc Miller" (Google) (MSN)

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxCOMmunism: Sharing your Apartmenthttp://blogs.msdn.com/b/marcmill/archive/2005/09/29/475465.aspx2005-09-30T00:14:00Z2005-09-30T00:14:00ZThe advent of neutral COM objects introduces the interesting consequence that your thread might have to share an apartment. This means that if you assume all asynchronous calls into your thread are on the same apartment, you probably have a subtle bug. Here's an example that I ran into recently:

My STA thread runs a WndProc which receives asynchronous posted messages WM_DOWORK. The WndProc is associated with a thread-affine object that holds pointers to other STA objects and in response to WM_DOWORK, marshals one of these objects into the stream and returns that stream to the asynchronous caller. This is a common pattern that I've seen many times.
That very same thread calls an API which eventually CoCreate's a neutral object. The neutral object runs in a new apartment hosted on the same thread, a neutral apartment. While running, the neutral object decides to itself call CoCreate, which ends up pumping messages. The message pumping therefore happens in the neutral apartment.
During this message loop, my thread reenters and processes a WM_DOWORK and in response does its job of marshaling one of its objects into a stream by calling CoMarshalInterThreadInterfaceInStream. COM, when deciding how to marshal the interface, looks at the current call context and sees that the object is in the neutral apartment. As a result, the object is marshaled from the neutral apartment instead of the STA.
Later, when the object is unmarshaled from another thread, a transition happens into the neutral apartment on the same thread, which results in the object's pointer being accidentally smuggled across threads.

If you're lucky, then some visible problem (like a concurrency issue) will result from this sort of problem.
If you're really lucky, it will repro somewhat consistently.
The main problem here is that, while the assumption under STA is that apartment implies thread, we cannot assert the consequent and assume that thread implies apartment. So, any asynchronous entry into the thread has to somehow ensure the correct COM context before making calls into apartment-affine objects.
Luckily, COM provides an API for doing just this. One solution to the problem described above, then, is:

When the WndProc is created, it remembers its COM context by calling CoGetCallContext for IContextCallback.
Later, when the WndProc is called, it calls IContextCallback::ContextCallback to get back into the correct COM context. Then it proceeds to dispatch messages.

Q: But Marc, this is crazy, no one calls this API today.
A: You're right.

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxML is ALSO Lovehttp://blogs.msdn.com/b/marcmill/archive/2005/09/22/472675.aspx2005-09-22T08:42:00Z2005-09-22T08:42:00Z(Don Box wrote an article in this month's MSDN Magazine called "Scheme Is Love" in which he did a brief whirlwind tour of the Scheme programming language.)
Back when gas was only $3 a gallon, if you wanted a programming language with anonymous types and type inferencing, you had to use one of them fancy languages like ML. I've actually written a few nontrivial programs in Standard ML and found the experience to be very enjoyable.
Static types without syntactic baggage. One of the major drawbacks of a dynamic language like Scheme is that the lack of strong types prevents the compiler from doing a certain class of work on your behalf - work you would instead have to do manually. But in exchange, you're saved some of the cognitive and syntactic load that most strongly typed languages have. In ML, you rarely "say" the name of a type in your code, so it reads like a dynamic language; but, because the compiler infers the types from usage, it can call you on any inconsistencies at compile time. ML has an interactive interpreter which prints out the names of the types that it infers.
- fun add3(x) = x + 3; val add = fn : int -> int
In this case, the type inferencer is saying that "add3" is a function (fn) who maps (->) an int to an int. Now, if I try to misuse the add3 function by passing in the wrong type, the compiler throws an error:
- fun calladd3() = add3("spoon"); Error: operator and operand don't agree [tycon mismatch] operator domain: int operand: string in expression: add3 "spoon"

Expressive type system. Like Scheme, ML has a very simple-looking type system that is surprisingly powerful. Unlike Scheme, however, the compiler can optimize the data structures based on the static type to have a very efficient runtime representation. Also, the gain from having static type checking becomes even more apparent when you start dealing with complex data structures. The result is you get very expressive types that are efficient and safe.
Tuples and Records: You can create anonymous records by just declaring them, and of course records can contain other records:
- val rec = { firstname="Marc", lastname="Miller", point = { x = 5, y = 7 } }; val rec = ... : {firstname:string, lastname:string, point:{x:int, y:int}}
You can access a value from within a record by using the #fieldname(objectname) syntax:
- val pt = #point(rec); val pt = {x=5,y=7} : {x:int, y:int}
And tuples are simply records whose elements are unnamed:
- val tuple = ("marc", "miller", ( 5, 7 )); val tuple = ("marc","miller",(5,7)) : string * string * (int * int)
Datatype: The "datatype" keyword can be used to create named enumerations, like so:
- datatype KnownColor = Red | Green | Blue; - fun GetGreen() = Red; val GetGreen = fn : unit -> KnownColor
But you can also use it to create variant types:
- datatype Color = Known of KnownColor | Custom of { red : int, green : int, blue : int }; - val blue = Known(Blue); val blue = ... : Color - val white = Custom({ red=0xf, green=0xf, blue=0xf }); val white = ... : Color
And datatypes, since they are named, can now contain members of their own type, which is very powerful because now you can create trees and linked lists:
datatype IntTree = IntNode of (IntTree * int * IntTree) | Empty; - IntNode(IntNode(Empty, 1, Empty), 2, IntNode(Empty, 3, Empty)); val it = ... : IntTree
There is also support for parameterized types, like generics or templates. So instead of making an IntTree, I could have made a more generic tree:
datatype ('T) Tree = Node of ('T Tree * 'T * 'T Tree) | Empty; - Node(Node(Empty, 1, Empty), 2, Node(Empty, 3, Empty)); val it = ... : int Tree  - Node(Node(Empty, "foo", Empty), "bar", Node(Empty, "snoo", Empty)); val it = ... : string Tree
And the type inferencer still polices everything, here I try to put a string into an int tree:
- Node(Node(Empty, "foo", Empty), 3, Empty); Error: operator and operand don't agree [literal] ...

ML is "fun". ML's functions, like Scheme's, are first-class objects. This means they can be returned from other functions, stashed inside data structures, assigned to variables, etc. For example, I can make a function addn(n) that returns a function which will always add 'n' to the number passed into it:
- fun addn(n) = fn x => n + x; val addn = fn : int -> (int -> int) - val add5 = addn(5); val add5 = fn : int -> int - add5(4); val it = 9 : int
Pattern matching on function arguments is another feature of ML's functions and will knock your socks off! I can write alternative versions of a functions implementation with patterns as arguments, and the pattern matcher will generate the logic to match the most specific one. For example, here's a version of factorial that uses patterns:
fun fact(0) = 1 | fact(n) = n * fact(n - 1);
Pattern matching is a great way to pull a value out of a datatype; here I walk an "int Tree" data structure, adding the elements in a depth-first traversal:
 fun addTree(Empty) = 0 | addTree(Node(leftTree, data, rightTree)) = (data + addTree(leftTree) + addTree(rightTree)); - addTree(Node(Node(Empty, 1, Empty), 2, Node(Empty, 3, Empty))); val it = 6 : int
In fact, ML functions only take one parameter, but pattern matching over tuples gives the illusion of multiple parameters:
- fun add(x,y) = x + y; val add = fn : int * int -> int
This really says: "add" is a function that takes one parameter which is the tuple of type 'int * int', where 'x' and 'y' are bound to the two ints inside that tuple.
Know your heritage. This brief tour only touches the tip of the iceberg of what's available in ML. As you can see, C# 3.0 draws on some of the syntax and concepts of this language.
Type inferencing.
var x = 3; // C# 3.0 var x = 3; (* ML *)
Anonymous types:
var x = new { FirstName = "Marc", LastName = "Miller" }; // C# 3.0 var x = { FirstName : "Marc", LastName : "Miller" }; (* ML *)
Lambda expressions:
var add5 = x => x + 5; // C# 3.0 var add5 = fn x => x + 5; (* ML *)

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxCustom Schema on the PDC05 Handout Buildhttp://blogs.msdn.com/b/marcmill/archive/2005/09/19/471529.aspx2005-09-20T01:43:00Z2005-09-20T01:43:00ZThe API for adding custom schema isn't supported yet on the builds handed out at the PDC. So, how was I able to demonstrate custom schemas in my PRS310 talk? I've had a request to make public how I was able to go about doing this in lieu of the schema installation API.
Warning: The techniques I describe below are just temporary stopgaps and are not supported by Microsoft and will not work in future builds of Windows Vista or any other operating system. Also, I'm typing this from memory, so I apologize if there are inaccuracies:

Write a property description file describing your new properties, the one I used for recipe files is available here.

Exit Explorer; ctrl+shift+right-click on the background of the start menu, and choose "exit explorer".

Create a directory inside CSIDL_LOCAL_APPDATA called "Property Descriptions": mkdir "%LOCALAPPDATA%\Property Descriptions" should do the trick.

Put the propdesc file into that new directory, and then start up Explorer (use taskmgr). You will now be able to call the SHGetPropertyDescriptionXXX APIs to access your new properties. That means you can do what I did in PRS310 and add the canonical names for your properties to the infotip and preview pane property lists for your file types.
For example, here's the registry settings that I used for my recipe file:
[HKEY_CLASSES_ROOT\.recipe] @="Recipe File" "InfoTip"="prop:System.CanonicalType;System.Author;System.Rating;\ >> MyCompany.Recipe.Difficulty;MyCompany.Recipe.Yield;\ >> System.Comment" "BestOf"="prop:System.DateChanged;System.Author;System.Keywords;\ >> MyCompany.Recipe.Difficulty;MyCompany.Recipe.Yield;\ >> MyCompany.Recipe.PreparationTime;MyCompany.Recipe.CookTime;\ >> System.Rating;System.Comment;System.Size;System.DisplayFolder;\ >> System.DateCreated" "Title"="prop:System.Title;System.CanonicalType"

Note that the new schema will not be available in the column chooser. Of course, there's a hack here too: I hear that you can modify the AllFolderProperties registry value in HKCR\Folder. Again, you won't need todo this in Windows Vista Beta 2, with the schema installation API this will just happen as part of install.

Explorer will have access to your new properties, but they will not be accessible by search unless you install that new schema into the search index as well. There are a set of hacks for doing this as well, which involve changing the indexer's internal schema config files and then rebuilding the indexer. But these weren't part of my PDC talk PRS310.

There will be an API which will accomplish all these steps PLUS add the new schema to the search index available in Windows Vista Beta 2.

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxPDC05 Takeaways on Programming Explorerhttp://blogs.msdn.com/b/marcmill/archive/2005/09/17/470671.aspx2005-09-17T23:14:00Z2005-09-17T23:14:00Z
Flying back to Redmond, I jot down some of the key things I consistently heard from developers, in no particular order:

"We want more/better command module extensibility." The term "command module" here refers to that toolbar that goes across the top of the Explorer view and replaces the "folder tasks" area in XP.

In the current POR, the command module for Windows Vista actually will have a limited extensibility model, but some of the feedback that I received makes me think we're not going far enough. Let me explain. In the Explorer architecture, the shell folder object being viewed tells the command module object which commands to display via an interface to be released in Beta-2. So a third-party could come along with its own shell namespace extension and then have complete control over the commands displayed when viewing that shell folder.

However, there is no way currently to extend the commands displayed by other shell folders. In particular, the most compelling shell folder you would want to party on would be the shell-folder-over-filesystem, or what shell developers call "file folder". It would be great, for example, for a third-party photo application to add commands like "remove red-eye".

Providing the correct extensibility model that we will want to live with for the next decade or more is a very challenging problem, however: How do we deal with competing and conflicting registration? How can we make it less attractive for unscrupulous ISV's to spam this very valuable screen real-estate? So I think its understandable that we've been reluctant to commit to solving this extensibility problem in the most general way, but on the other hand there could be a tremendous amount of end-user value-add to enabling some better extensibility story in this space.

It's much more likely IMHO that instead individual command implementations will provide their own extensibility points. Imagine (for example) the "Show slideshow" command allowing third-party slideshow viewers, etc.

"We want to be able to write Explorer extensions in managed code." This is complicated. The short answer is "you can", the medium-sized answer is "don't do it!" and the long answer is "you can, if you try really hard".

The API for Windows Explorer consists of two major chunks. First is the set of reusable functionality that is provided for use in your own applications. Examples of this would be the Common File Dialog or the soon-to-be-documented ExplorerBrowser control, which indeed let you host an entire explorer "instance" inside your application. The second set of API consists of extensibility points which you can install in order to extend or customize the behavior of explorer in various ways. Examples of this include context menus, namespace extensions, property and tooltip handlers, etc.

There is no technical or philosophical reason that I know of why you can't consume the first set of API from managed code, and indeed WinFx has several places where shell functionality is called, like SHGetFolderPath, GetSaveFileName, etc.

No, it's that second set of API, the shell extensions, which are tricky. I wasn't able to attend his talk, but I understand that the very articulate Jim Miller gave a talk about this very subject. Briefly, the problem is rooted in the fact that only one CLR can run in a process and, while CLRs are tested for backward compatibility, they are not of course guaranteed to be forward-compatible. So now imagine that your managed shell extension is loaded in some third-party process that is already locked-back to an older version of the CLR than what you targeted. You clearly don't want this to happen.

My best guess is the explorer.exe process itself will avoid this issue by shipping with a startup call to the EE which tells it to always load the latest CLR version, but of course we can't control other people's processes and by the time they call that first set of APIs to, say host the common file dialog, then its too late to ensure a later version of the CLR than what's already loaded.

One option that I hesitate to mention because its really quite difficult – much more so than it probably sounds – is to implement your extension point in managed code but register it such that it gets instantiated out-of-process. There are a number of tricks that you can play, depending on circumstances like the structure of your underlying data source, to mitigate the performance problems inherent in the chatty cross-process remoting that you would get with such an approach. An example of this would be a small native-side proxy which has in-process caching of your data and services the chatty calls, and then behind-the-scenes does more "chunky" calls back to the data source.

"We want a better migration path to Windows Vista Common File Dialog". Windows Vista is deprecating the old common file dialog API in favor of a long-overdue COM API complete with callback sink objects, the ability to do metadata-stamping (and therefore the ability for the user to save into a virtual folder!), the ability to return item object that are part of the extended shell namespace – not just the file system, etc. It also includes a much more formal declarative customization model and removes support for the old-style template-driven customization.

I sincerely believe that the direction this new API takes is goodness, since it enables a lot of really cool end-user features, but some feedback I've heard is that perhaps it asks ISVs to bite off a little more than they're willing to chew for this first release. Under the current plan, ISVs are faced with a dilemma: either don't support the new API and therefore deliver a more-limited-then-my-competitor's-application experience, or support the new API through two vastly-divergent code paths: one for downlevel and the other for Windows Vista.

One thing that might be possible, for example, is to plumb parts of the new API through the old API – thus allowing some of the features like saving to virtual folders, but degrading gracefully in a downlevel experience.

"We want Microsoft to provide the forum for community schema coordination." In my PRS310 talk I spoke about two different types of properties: those provided by the system and those provided by ISVs. The system ones have the naming convention System.Groupname.PropertyName like System.Media.FNumber, and the ISV properties have the form ISVName.ApplicationName.PropertyName.

The problem is that this naming convention implies no coordination among ISV schema since each application gets its own namespace of properties. Will experiences with heterogeneous data sets therefore be suboptimal for like documents that would otherwise share common non-system properties? This question was asked in a much more understandable way by someone in the audience: "will two different CAD document types created by two different companies ever be able to share common non-system but CAD-specific properties?" Clearly, in order to pull this off you need some consensus on the schema, and the ask here is for Microsoft to set the table at which others can sit down and negotiate schema. Perhaps we can bring them drinks. I mean, Microsoft doesn't necessarily have to be the moderator of such a community forum, but could at least provide the infrastructure for the community to make decisions on its own. Maybe even, as a coworker suggested, ratification by the community of schema could result in that schema shipping in the next update or version of Windows, or at least the universal search engine redist.

"We would be interested in being able to host the reading pane in our own applications." This one is pretty self-explanatory; I was just surprised that I heard this piece of feedback from several people independently.

Anything I missed? [:)]

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxWill I be able to read my new C# Code?http://blogs.msdn.com/b/marcmill/archive/2005/09/15/467822.aspx2005-09-15T22:02:00Z2005-09-15T22:02:00Z
As a fan of languages like ML, I'm really excited about the new features in C# 3.0 that have been announced in this PDC. But one thing that always concerned me about great swathes of ML code was the readability of that code.

If I'm working in a function and I see, for example:

 var x = f();

then what other kinds of operations can I do with x? It turns out the type-inferencer is much smarter than I am!

In ML this is mitigated partially by the REPL (read-eval-print loop) which allows me interactively ask the compiler what the type of things are. But C# has no analog to this, AFAIK.

I was discussing this issue with a colleague today and I said, "I'm scared about having to read the C# 3.0 code that my coworkers write." He said, "I'm scared about other people having to read the C# 3.0 code that I write!"

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxHow do I do that with my file types?http://blogs.msdn.com/b/marcmill/archive/2005/09/14/465576.aspx2005-09-14T10:10:00Z2005-09-14T10:10:00Z
In his PDC keynote demo, Chris Capossela showed off some of Windows Vista's exciting new features for managing the ever-growing sets of data that people will have with PC's moving forward. He showed visualization features like thumbnails, search features like stacking over properties, grouping by properties, filtering with the search box, and also organizing features like property painting and editing. But all of the file types involved were types well-known to Microsoft, and all of the schema pre-baked into the box at ship time.

Come to PRS310 Wednesday at 3:15p.m. to learn how your applications can play in the property system. (Don't worry Anders's talk has a repeat scheduled for the next day [:)].)

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxLearn More about Programming Windows Vista Search & Organize on Channel 9http://blogs.msdn.com/b/marcmill/archive/2005/09/13/465033.aspx2005-09-13T23:20:00Z2005-09-13T23:20:00Z
A couple of weeks ago, a couple of my colleagues and I sat down with Robert Scoble and Catherine Heller to talk about Programming Windows Vista Search and Organize. That interview was posted this morning and you can find it here.

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxIndexer Internals: What is the System Schema?http://blogs.msdn.com/b/marcmill/archive/2005/09/12/464253.aspx2005-09-13T02:41:00Z2005-09-13T02:41:00ZWhen considering whether to extend the system schema, you should consider whether your extensions are actually necessary given the hundreds of properties that already ship with Windows Vista.
You can view the schema as the indexer understands it by looking at the internal indexer schema configuration file in:
%ALLUSERSPROFILE%\appdata\roaming\microsoft\usearch\data\config\schema.txt
Note that the slashes in the property names, i.e. System/Author, will change to dots in coming releases -- so it will be System.Author instead.
The term Schema Proliferation refers to adding unnecessary schema. Schema proliferation leads to bad user experiences, for example stacking in heterogenous views. Let me elaborate: Imagine if FooCorp comes along and introduces their own idea of Author called the FooAuthor. This works okay for scenarios in which I'm only dealing with .foo files. I can stack by FooAuthor in my views, I can query for documents whose FooAuthor is Fred, etc.
But the model breaks down when I am looking at views that contain files of different types other than .foo, because all the other types use System.Author for their author fields and have never heard of FooAuthor. So if I want to assemble a view of all the .doc, .ppt, AND .foo files authored by Fred, I can't do this because the .foo files don't expose an Author property.
Schema proliferation requires a special amount of discipline to avoid. while it's obvious in my FooCorp example, it's not quite as clear in the example of, say, .pgn files (chess game files) in which you could argue that the players of the game are the defacto authors of the file. Or the "chef" of a recipe file is also kind-of the author.

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxPDC05 Fashionhttp://blogs.msdn.com/b/marcmill/archive/2005/09/12/463895.aspx2005-09-12T10:26:00Z2005-09-12T10:26:00ZI once attended a talk given by Paul Allen in which he described how he would routinely visit with Microsoft's most important customers wearing a t-shirt and some shorts. I remember first coming to Microsoft as an intern and standing in line at the cafeteria behind my mentor, looking down I noticed he was barefoot! And of course there are those days when you jump out of bed and don't feel like changing out of your pajamas...
Being "fashion challenged" is a deep and significant part of the Microsoft developer culture. But it's a part of the culture you won't be exposed to at PDC05. Speakers and staff are required to wear this year official attire: the blue Microsoft event button-down shirt -- 65% polyester and 35% cotton -- and either khaki or black pants.
So when you see a Microsoft representative suffering in the California heat underneath all that crinkly suffocating polyester, stiff pants, and uncomfortable shoes, realize that this person is making for you the customer the ultimate sacrifice: the sacrifice of dressing up!
Now that's dedication!
Then, if you want to get to know the real person try to imagine someone equally passionate about the technology only they're half-shaved, wearing a beer-stained t-shirt, jean shorts, and sneakers.

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashxCome to PRS310http://blogs.msdn.com/b/marcmill/archive/2005/09/12/463875.aspx2005-09-12T07:56:00Z2005-09-12T07:56:00Z
In my PDC 2005 talk, PRS310, I'll be discussing ways developers can expose their data sources to the Windows Vista Explorer so they can participate in the full storage user experience: searching, stacking, property viewing and editing, "live icon" thumbnails, etc. I'll also describe how developers can extend the standard schema, the schema which ships with Windows Vista, to add their own custom properties, and I'll show how to customize the Windows Vista Explorer user experience to deal with those new properties.

The observant reader will notice that PRS310, scheduled for Wednesday afternoon at 3:15pm, conflicts with Anders Hejlsberg's talk "TLN307 - C#: Future Directions in Language Innovation". But the good news is that TLN307 will have a repeat session the next afternoon at 2:15pm! So, instead of fighting the crowd, come to PRS310 in room 501ABC.

(Previous "In the Trenches" posts can be found here.)

MSDNArchivehttp://blogs.msdn.com/MSDNArchive/ProfileUrlRedirect.ashx


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Is it possible to change the html output of the contact form?
I would love to override the output function so that I may remove and add some html to change the look of form as I cannot do this by css. I want to add classes and remove things like the labels. Is this possible?
I've been attempting to override functions in my theme's function.php file but have not managed it.
Thanks in advance

subset: commoncrawl


text:
I reported a issue 7 months ago! https://github.com/apfelbox/Prism-Detached/issues/4 and yes there is still not updated. The current version does not save any options. The Github version seems to be working, and I will install that later but when you throw your plugin on W.org you should maintain it there and not only on Github. Also a button to create the Shortcode would be nice.
I thought of committing a big change to add a shortcode creator dialog based on my ARVE plugin but if this takes a year to end up on here I'll be better off forking it and maintaining my own version I guess.
The Idea to make this detached and have the code in custom fields is very nice, never seen a code highlighter to do it this way.
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text:
SLC honors Nicholls' student-athletes
Published: Wednesday, January 16, 2013 at 3:00 p.m.
Last Modified: Wednesday, January 16, 2013 at 3:37 p.m.
FRISCO, Texas. — The Nicholls State University athletic department was well represented on the Southland Conference Commissioner's Academic Honor Roll as 73 student-athletes who competed in fall sports were honored on Wednesday.
Nicholls was one of six universities to boast at least 70 honorees in the league, as a total of 695 student-athletes from the 10 Southland universities made the cut, with 132 recording a 4.0 grade-point average.
The Colonels had 13 student-atheltes finish with a 4.0 GPA, including Kane Daigle (cross country), Hayden Cardiff (football), Jordan Hanberry (football), Ben Landry (football), Andrew Wynn (football) Hilary Clark (soccer), Kaylie Daniels (soccer), Nicole Doherty (soccer), Carolyn Noble (soccer), Kristy Tatom (soccer), Jennifer Dunn (volleyball), Jeanne Logarbo (volleyball) and Kathryn Stock (volleyball).
Reader comments posted to this article may be published in our print edition. All rights reserved. This copyrighted material may not be re-published without permission. Links are encouraged.


text:
Video Industry News Video Company News Technology Industry News Technology Company News Novelty Industry News Novelty Company News Gay Industry News Gay Company News Legal Industry News All Company News
Released: Nov 01st, 2004
Running Time: 90
Director: Derek Newblood
Company: Extreme Associates
Cast: Michelle Katz, Cashmere (I), Kertia, Cassandra (I), Shasta, Kaylynn, Kyla Fine, Summer Storm, Dusk Del Mar, Patricia (I), Foxy Lady, Redda Lacey, Brandon Iron, Illona, Bridgette Kerkove, Destiny (I), Daphne (I), Others
Critical Rating: AAA
Genre: All-Sex
Oral town.
This is pretty basic, effective b.j. fare that was shot in Extreme's old offices with the occasional excursion to anonymous hotel rooms. The quality varies depending on the male talent here, such as when noted oral expert Kaylynn is put with a guy who really struggles with his wood. Bridgette Kerkove gives some prime head here but nothing else is particularly memorable.


text:
Hi Everyone!
I'm not new here, just haven't been around in awhile. I lost almost 40lbs last Sept - Dec, and then we moved states, and I feel off the plan. I have been gaining and losing the same 3lbs since then. This morning I decided I needed that extra oomph to get back OP so I converted my WW online membership to a monthly pass -- and attended a Mom & Me meeting. I am happy to report that today was a 100% OP day for me. I actually had some encouragement yesterday to get back OP and go to a meeting. All of last summer's clothes are too big (YAY) so I went out to buy a pair of capri's and last Sept I was a size 28 when I started and my new capri's are a size 22! Made me think Wow I need to get back OP.
Anyway -- to my point now. I have 2 little girls, ages 4 and 3, that are home with me every day for lunch. I usually feed them mac & cheese, chef boyardee, or chicken nuggets. Not only are they sick of those foods but they are SO unhealthy, especially when I turn around and make myself a turkey sandwich or something on a bagel thin or sandwich thin.
What kind of quick, easy lunch foods do you AND your kids eat? I would certainly be willing to cook something, even homemade chicken strips but don't know of any WW friendly recipes. I don't want to make a full meal, you know, since it is lunchtime. I just want us ALL to get healthier. The kids already eat small breakfasts -- waffles, cereal, etc. They barely eat that, so trying to cram healthier stuff into them in the morning would never work (we are always running late and they never want to eat). Generally I think they eat pretty good in the morning anyway -- sure, they eat a frozen waffle but only one and they follow that up with some fruit or yogurt.
So tell me what you all eat as a small lunch meal as a family :)
And if anyone has a WW friendly chicken strips recipe (that is NOT made with Fiber One Bran cereal -- I have tried and tried to cook with it and I hate it!), I would love to have it!


text:
1504 Pine Street, Philadelphia, Aug. 23, 1907.
To the Editor:
—Historians are constantly hindered in their search for truth by the absence of exact records, especially as to the lives of individuals. Nowhere are these kept with completeness and exactitude. Even the courts of law, the county and municipal authorities, make only partial provision for the future in this particular. Even at the present enlightened time recourse is constantly had to the "family Bible," in which the custom prevails to place some account of births and deaths, which gives, at best, only names and ages, with possibly some fragmentary comments on acts. Clergymen do sometimes keep books containing registrations of marriages, births and baptisms, rendering a meager and irregular assistance.Old-time physicians were accustomed likewise to take account of some such data, also the more careful ones kept notes of illnesses. Not all physicians, even now, take careful notes of
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Martin Valdovinos, L.A. Homicide No. 24: Man Shot Dead in 'Drug Deal Gone Wrong'
The street where Martin Valdovinos was shot dead
Google Maps
UPDATE: See editor's note below.
By Ryan Deto
A 43-year-old Latino man was shot multiples times on January 28 in the 4400 block of South Towne Avenue. Martin Valdovinos was taken downtown to California Hospital Medical Center and was pronounced dead at 10:05 p.m., according to coroner's records.
The Los Angeles Times reported Valdovinos was shot during a "drug deal gone wrong" and later confirmed that he was the person selling drugs.
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text:
Dreams of Escher by jim373Watch
©2011-2016 jim373
if Escher had had the Mandelbulb 3D ...
Awesome Artwork Jim!
that is a really smoooooth texture my friend
Always liked Escher...nice work
Excellent job!
This is splendid Jim,very well done.
Well done. Great title also.
Perfect work Jim...EXCELLENT..
Amazing work! Way cool Great detail!
Wow, that's a pretty Mandelbulb!
well done!
Nice jim
Home run Jim!
wow ! how is it possible this "3d effect" ? once more, this one is unbelievably......
One of the coolest ones I have seen!
very nice tweak Jim
Fantastic. Mandelbub always reserves surprises.
Amazing Artwork Jim!!
great art & nice colors , Jim
"To learn how to use your head, you have to go out of your mind."


text:
Index of content:
Volume 23, Issue 7, July 1982
Determination of basis for the irreducible representations of the unitary group for U( p+q)↓U( p)⊗U( q)23(1982); http://dx.doi.org/10.1063/1.525507View Description Hide Description
A direct procedure is outlined for determining the basis spanning finite dimensional irreducible representations of U( p+q) adapted to the subgroup U( p)⊗U( q). Using a tableau based analysis, it is shown that the realization of the semimaximal states follows readily from a knowledge of the matrix elements of the generators E i+1 of U( p), U( q)⊆U( p+q).
Branching rules for the supergroup SU(N/M) from those of SU(N+M)23(1982); http://dx.doi.org/10.1063/1.525508View Description Hide Description
The decomposition of representations of supergroups into representations of subgroups is needed in practical applications. In this paper we set up and exploit a fruitful one‐to‐one correspondence between the Lie group branching SU (N+M)⊇SU(N)⊗SU(M)⊗U(1) and the supergroup branchings SU(N/M)⊇SU(N)⊗SU(M)⊗U(1) and SU(N 1+N 2/M 1+M 2)⊇SU(N 1/M 1) ⊗SU(N 2/M 2)⊗U(1). A simple and useful prescription is discovered for obtaining the SU(N/M) branching rules from those of SU(N+M) for any representation. A large class of examples, sufficient for many physical applications we can foresee, are explicitly worked out and tabulated.
Spectral theory for the periodic sine‐Gordon equation: A concrete viewpoint23(1982); http://dx.doi.org/10.1063/1.525509View Description Hide Description
A summary of the spectral theory for quasiperiodic sine‐ and sinh‐Gordon equations is given. Analogies with whole‐line solitons and scattering theory motivates the discussion. The relation between the ingredients in the inverse spectral solution of the periodic sine‐Gordon equation and physical characteristics of sine‐Gordon waves is emphasized. The explicit topics covered are summarized in the table of contents in the Introduction.
New sum rule for products of Bessel functions with application to plasma physics23(1982); http://dx.doi.org/10.1063/1.525510View Description Hide Description
In our investigations of the linear theory of the stability of relativistic beam‐plasma systems immersed in a magnetic field we have been led to consider sum rules for an infinite series of products of Bessel functions of the form J∞ n = −∞(n j J 2 n )/ (n+μ). In this work we report on the sum of this series treated as a special case of a more general infinite series. We also mention the extension of the results beyond the range of the parameters for which formulae are explicitly given and indicate how intermediate results obtained may be useful in their own right. Finally, an additional application of our result is indicated.
Some algebraic, geometric, and system‐theoretic properties of the Special Functions of mathematical physics23(1982); http://dx.doi.org/10.1063/1.525511View Description Hide Description
It is known that many of the Special Functions of mathematical physics appear as matrix elements of Lie group representations. This paper is concerned with a beginning attack on the converse problem, i.e., finding conditions that a given function be a matrix element. The methods used are based on a combination of ideas from system theory,functional analysis, Lie theory, differential algebra, and linear ordinary differential equationtheory. A key idea is to attach a s y m b o l as an element of a commutative algebra. In favorable cases, this symbol defines a Riemann surface, and a meromorphic differential form on that surface. The topological and analytical invariants attached to this form play a key role in system theory. The Lie algebras of the groups appear as linear differential operators on this Riemann surface. Finally, it is shown how the Picard‐Vessiot‐Infeld‐Hull theory of factorization of linear differential operators leads to realization of many Special Functions as matrix representations of group representations.
New similarity solutions for the Ernst equations with electromagnetic fields23(1982); http://dx.doi.org/10.1063/1.525512View Description Hide Description
A new class of exact similarity solutions is found for the Ernst equations with electromagnetic fields. The original coupled nonlinear partial differential equations are reduced to a system of coupled nonlinear ordinary differential equations. The reduced system is solvable in a manner identical to previous similarity solutions found by Kaliappan and Lakshmanan. These solutions may be considered the extension of the Curzon solution (static, uncharged) to the stationary, charged solution.
Quantization as a consequence of the symmetry group: An approach to geometric quantization23(1982); http://dx.doi.org/10.1063/1.525513View Description Hide Description
A method is proposed to obtain the dynamics of a system which only makes use of the group law. It incorporates many features of the traditional geometric quantization program as well as the possibility of obtaining the classical dynamics: The classical or quantum character of the theory is related to the choice of the group, avoiding thus the need of quantizing preexisting classical systems and providing a group connection between the quantum and classical systems, i.e., the classical limit. The method is applied to the free‐particle dynamics and the harmonic oscillator.
Joint distributions, quantum correlations, and commuting observables23(1982); http://dx.doi.org/10.1063/1.525514View Description Hide Description
We provide necessary and sufficient conditions for several observables to have a joint distribution. When applied to the bivalent observables of a quantum correlation experiment, we show that these conditions are equivalent to the Bell inequalities, and also to the existence of deterministic hidden variables. We connect the no‐hidden‐variables theorem of Kochen and Specker to these conditions for joint distributions. We conclude with a new theorem linking joint distributions and commuting observables, and show how violations of the Bell inequalities correspond to violations of commutativity, as in the theorem.
Theory of nonbijective canonical transformations in mechanics: Application to the Coulomb problem23(1982); http://dx.doi.org/10.1063/1.525515View Description Hide Description
It is shown that the study of nonbijective transformation requires a fiber bundle formulation of mechanics. The conditions upon which nonbijective canonical point transformations can be defined are given. Then, as an example, we apply that theory to the study of the Coulomb problem in two and three dimensions. The Hopf fibration leads to an inverse harmonic oscillator problem. Since the completion of this work, a paper by G. H. Ringwood and J. T. Devreese has been published in J. Math. Phys. 21, 1390 (1980), dealing with the same problem. Their work is based on the construction of propagators in quotient spaces. The identity between the propagator prescriptions and nonlinear canonical transformations is not automatically fulfilled. Therefore it seems that the reliability of their results is not due to their method, which in general is not correct, but to an underlying property of the transformation used, namely the Kustaanheimo‐Stiefel map (see our results).
The quartic anharmonic oscillator in stochastic electrodynamics23(1982); http://dx.doi.org/10.1063/1.525516View Description Hide Description
The case of a slightly anharmonic oscillator (with a βx 4 perturbing potential) is examined in the framework of stochastic electrodynamics (SED) in full detail. We obtain the stationary probability density and the mean energy, which differs from the quantum result at order β2. Using Kubo's linear response theory we obtain the absorption curve: the maximum absorption frequencies do not coincide with the quantum transition frequencies. From the calculation of the emission energy we show that the ''radiation balance'' is n o t exactly satisfied as soon as β≠0, a property which disagrees with the quantum results. Finally, we discuss the consequences of this lack of radiation balance concerning Kirchhoff's law.
Continued fraction theory of the rotating harmonic oscillator23(1982); http://dx.doi.org/10.1063/1.525517View Description Hide Description
We study the rotating‐vibrating system, consisting of the rotating harmonic oscillator, using the analytic theory of continued fractions. We prove that there is a convergent continued fraction representation of the Green's function which is analytic in the complex coupling constant plane, except for a cut along the negative real axis. The perturbation series for the Green's function is unambiguously defined by the continued fraction but diverges on account of an essential singularity at the origin. An infinite but incomplete set of exact solutions for certain specific valeus of the coupling follows from the representation of the Green's function as a continued fraction. Finally, we use Worpitzky's theorem in continued fraction theory to show that in the strong coupling limit α→0+ (α being the inverse of the coupling parameter), there exists a lower bound to all energy eigenvalues for a given value of l, the orbital angular momentum.
An E6⊗U(1) invariant quantum mechanics for a Jordan pair23(1982); http://dx.doi.org/10.1063/1.525496View Description Hide Description
Quantum mechanical spaces associated with geometries based on exceptional groups are of interest as models for internal (quark) symmetries. Using the concept of a Jordan pair, two copies of complex 3×3 octonionic Jordan algebras (M8 3) are shown to define a quantum mechanics over the complex octonionic plane having E6⊗U(1) as automorphism group. The unusual features of this new quantal structure (neither a projective geometry, nor a lattice) are discussed.
Linear invariants of a time‐dependent quantal oscillator23(1982); http://dx.doi.org/10.1063/1.525497View Description Hide Description
Explicitly time‐dependent invariants, linear in x and p, are found to simplify the solution of the Schrödinger equation with oscillator‐type Hamiltonian. As an example, exact dynamics is obtained of the time‐dependent quantal oscillator, with damping and subject to external force. The invariant and hence the solution of the Schrödinger equation involve only the amplitude of the classical damped oscillator. The identity of our solution with a recently obtained result is illustrated. A digressive remark on quadratic invariants and the Dirac operator formalism is added.
HH spaces with an algebraically degenerate right side23(1982); http://dx.doi.org/10.1063/1.525498View Description Hide Description
We find the most general form of the key function for an HH space whose curvature on the right side is algebraically degenerate.
The investigation of some self‐similar solutions of Einstein's equations23(1982); http://dx.doi.org/10.1063/1.525499View Description Hide Description
New application of self‐similar generalizations of homogeneous cosmological models is shown in the problem of nonstationary nonspherically‐symmetric accretion of self‐gravitating gas on the center. For self‐similar Bianchi types II and III, solutions of the system of Einstein equations are reduced to some dynamical system of small order. A number of exact solutions in empty space and for the stiff equation of state of matter is found.
Electrovac generalization of Neugebauer's N = 2 solution of the Einstein vacuum field equations23(1982); http://dx.doi.org/10.1063/1.525500View Description Hide Description
We show that the N = 2 Neugebauer solution of the Einstein vacuum field equations is easily reproduced by employing two successive Kinnersley–Chitre (K–C) transformations of a type considered earlier by I. Hauser. Furthermore, by employing two successive K–C transformations of a type considered recently by C. Cosgrove we are able to produce a new electrovac generalization of the N = 2 Neugebauer solution. In principle, an analogous approach could be employed for the explicit construction of electrovac generalizations of Neugebauer solutions corresponding to higher values of N.
New exact static solutions to Einstein's equations for spherically symmetric perfect fluid distributions23(1982); http://dx.doi.org/10.1063/1.525501View Description Hide Description
New exact solutions to Einstein's equations are given which are spherically symmetric and static with perfect fluid distributions satisfying a linear equation of state p = nρ and n∈(0,1]. Heintzmann's generating method is then used to build up a family of new solutions for each value of n.
Static gravitational fields in a general class of scalar–tensor theories23(1982); http://dx.doi.org/10.1063/1.525502View Description Hide Description
The static field equations are investigated within the framework of a general class of scalar‐tensor theories of gravitation proposed by Nordtvedt. In the Brans‐Dicke and Barker theories, it is shown that in vacuum g 00 is functionally related to the scaler field. Two families of exact solutions are also obtained for a static spherically symmetric gravitational field in Barker theory.
Path integrals and stationary phase approximation for quantum dynamical semigroups. Quadratic systems23(1982); http://dx.doi.org/10.1063/1.525503View Description Hide Description
The solution of the Markovian master equation for the quantum open system of n degrees of freedom is formally written in terms of a path integral and the stationary phase approximation is discussed. The exactly soluble models with generators quadratic in position and momentum operators are investigated and the explicit expressions for the space–time propagators for one‐dimensional systems are derived.
On inverse problems for plane‐parallel media with nonuniform surface illumination23(1982); http://dx.doi.org/10.1063/1.525504View Description Hide Description
Elementary considerations are used to solve the inverse problem in linear transport theory for the case of variable illumination over the surface of a plane‐parallel layer. The developed formalism yields as a special case the inverse solution for the classical searchlight problem.


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Blocks A and В weigh 20 lb each, block С weighs 14 1b, and block D weighs 16 lb. Knowing that a downward force of magnitude 24 lb is applied to block D, determine (a) the acceleration of each block, (b) the tension in cord ABC. Neglect the weights of the pulleys and the effect of friction.
Fig. P12.30


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There is no photo this week.
There was no photo last week.
This week's Scrambler: eoprw si eht ertsaget ichoirdapsa..
Can you unscramble it? If so, call The Leader-Union, 283-3374, by 5 p.m. next Monday.
Last week's Scrambler: Opportunity is your most perishable resource.
There is no photo this week.
Last week's photo: Norm Koerner.
No one identified him.
This week's Scrambler: upotnryipto si ryou sotm aihepbrels useorcre.
Can you unscramble it? If so, call The Leader-Union, 283-3374, by 5 p.m. next Monday.
Last week's Scrambler: Disappointment is the nurse of wisdom.
1996 – Seniors Clint Flowers and Jani Torrence were crowned Homecoming king and queen at Patoka High School.
The city of Vandalia was gathering information about downtown buildings to use for such things as recruiting tenants for vacant buildings and firefighting preplanning.
Dana Adermann, the 1995 Miss Fayette County Fair queen, was representing the county at the Miss Illinois County Fair Pageant in Springfield.
My son called me to the window a couple of weeks ago when, not 20 feet away, walked a wild hen turkey. The bird paused as though to give us plenty of time to run for a camera. Not knowing much about turkey habit, I wondered if this bird was a lookout for a larger flock.
Ethan and I waited for what seemed a long time before the hen continued her trek. As soon as she was out of site, first one baby and then two more hurriedly followed her.
With the start of a new year, many of us have made resolutions for 2016, whether it's losing weight, exercising more, quitting smoking or spending more time with family.
While each of those applies to certain people, there's a resolution that all of us can make – getting more involved in our community.
Vandalia and Fayette County have many people who give countless hours for volunteer work, joining with others who contribute much of their free time for organizations and groups that have a common goal of improving the lives of their fellow man.
In several of my past columns I have relied on the experiences of my sister, Sandy, a retired Navy wife, for stories about hurricanes, earthquakes, volcanic eruptions, earth tremors and such.
Sandy has another experience that I have never shared – sending a son off to the military.
Sandy was 18 when she married a career Navy man, Jim "Zeke" Sampson, formerly of the Jimpson neighborhood in Ramsey township.
Copyright © 2016
The Leader Union is your source for local news, sports, events and information in Vandalia, Il, and the surrounding area.


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One hundred twenty-four patients with herniated lumbar disks received intradiskal injections of chymopapain before the Food and Drug Administration's withdrawal of the drug. One year after injection, 90 patients (72.6%) experienced major improvement, 21 (16.9%) had slight improvement, and 13 (10.5%) had no improvement. Of those patients who had no previous back surgery and who were not compensation cases, 77 patients (81%) had marked improvement, 13 (13.7%) had slight improvement, and five (5.3%) had no improvement. Three- to six-year follow-ups were obtained by questionnaire. Of the 114 patients responding, overall 83 patients (72.8%) had marked improvement, and 75 (83.3%) of those with no previous surgery and who were not workmen's compensation cases had major improvement. Since all patients met objective criteria for diskectomy, favorable results from chemonucleolysis spared most the trauma of surgery and its attendant convalescence. These results indicate that chemonucleolysis can and should be considered an advantageous alternative to surgery in appropriately selected patients.
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If Propionibacterium are obligate anaerobes (to wit, poisoned by oxygen), what makes 'Dairy' or classical propionibacteria (e.g. P. shermanii, P. jensenii, P. acidicpropionici, et al) viable in Fermentation starter cultures?
Here (mic.sgmjournals.org/content/127/1/121.full.pdf) is a link to a paper in which P. shermanii is grown in flask culture. Although the conditions are clearly designed to achieve low oxygen concentrations in the culture (the flask is almost full and is only shaken occasionally), they also indicate that oxygen is not toxic for this organism.
Also, this is from the WP page you linked to:


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I'm no activist, especially not for a b+ videogame, but I go out of my way to not support bronydom in any of its incarnations, had I had known gaige was a brony I would not have preordered this game, maybe not even buy it. I despise DLC.
Id Hyren posted... I will not support a game LMFAO you already did dummy.
I will not support a game
GodTaz posted...lol this guy thinks pedophilia is a bad thingmust be sad to be so delusionalJesus Christ how sick do you have to be to make a post like this. Do you think you're being epic or edgy or zany? Just gross.
lol this guy thinks pedophilia is a bad thingmust be sad to be so delusional
I'm glad I don't know what this stupid browny thing is, but shame to those who argued in this topic.
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Angad and Sara as Alekh and Sadhna from Bidaai
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The PERFECT solution
This product is fantastic. I went to their website, downloaded the settings for my AT&T aircard and it worked straight away. I have used it everyday since for work all day long and has not disconnected on me once. The battery is extremely handy. This is worth the investment for sure especially as it is half the price of the extra cost for 3g on my iPad and NO extra MONTHLY CHARGES!
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Five classical music clips in the movies
Some lesser known classical music appearances in the movies
Garrett Harris 7 p.m., July 25
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Math Circle holds tournament in Irvine
IRVINE – Students from across Orange County gathered on Saturday for the Orange County Math Circle tournament at University High School.
More than 150 students in sixth through eighth grades attended the free New Year's Invitational math tournament.
Orange County Math Circle is a student-run nonprofit that helps students develop math skills.
The group holds three free tournaments each year and teaches math classes.
Information: ocmathcircle.org
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Japanese Prime Minister Shinzo Abe said his country will sign a nuclear treaty with the UAE on Thursday as he stressed Tokyo's cooperation with its Middle East partners.
Abe, making his second visit to the Gulf country as prime minister, arrived late on Wednesday in the United Arab Emirates, Japan's eighth largest world economic partner, to take part in a Japan-UAE Business Forum.
At the forum, he said his country will sign a nuclear treaty with the UAE, without elaborating.
"This time, Japan and the UAE will sign a nuclear treaty," he said, according to a translation from Japanese. "Japan can contribute to UAE energy supplies by means of nuclear energy conservation and renewable energy."
Sources close to Abe said the treaty will be signed in Dubai during Abe's meeting with its ruler Sheikh Mohammed bin Rashid al-Maktoum.
For his part, UAE Energy Minister Suhail al-Mazrouei, called for stable world oil prices at the forum.
"We seek as an energy-producing country stability in world prices, to enable exporting and consuming countries to steadily develop and build their economies," he said.
Nearly a third of the UAE production of crude oil and petrol derivatives go to Japan while the oil-rich country's liquefied natural gas production has been used to generate electricity in Tokyo since 1977, according to Mazrouei.
Meanwhile, Abe said Japan aims "to closely cooperate and coordinate with countries in the region," adding that "stability and prosperity of the Middle East is directly connected to the prosperity of international society and Japan."


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The Rolling Stones, 02 Arena | New music reviews, news & interviews
The Rolling Stones, 02 Arena
Expensive blokeish nostalgia act are occasionally inspiring but run out of steam
My, my, what a big arena. First ever time I've set foot in the O2 Arena. Never before made it down here to view New Labour's hubris. Another cherry about to be busted involves seeing tonight's band – I've listened to The Rolling Stones for about 40 of my 48 years but never been near a gig of theirs. OK, I once did buy a tout ticket to see Keith Richards at the Town & Country when he toured solo in the early Nineties. And I also caught Charlie Watts' big band at Ronnie Scott's a decade ago. Both were great. But the Stones in a stadium? Nah.
Never imagined I'd get to this 18,000-capacity monster either. Then a friend scored tickets and, of course, I'm there. First impression: I'm one of the younger people here. And it's very blokey. The vibe here is like that of a Premier League match – very ageing lad. Why, there's Paul Weller! Now where's Jeremy Clarkson?
8.24: the lights go down and the video screens fill with a montage of talking heads – Iggy, Elton, J Depp and lesser celebs – spouting nonsense about the Rolling Stones. Three minutes later a samba band are striding the aisles beating their drums, all adorned in masks featuring the ugly gorilla on the cover of the 300th Stones hits album. The Brazilian drums lend a tension to proceedings, signalling something dark and sexy. Then the lights come on and a bunch of skinny, wrinkly men are on stage.
Definitely not the last time – especially when people will pay these ticket prices
"Get Off My Cloud" opens proceedings and the sound is clean and harsh. Mick is wearing a silver lamé jacket and black hat and running every which way. They launch into "I Wanna Be Your Man" – Ronnie does Brian's slide part as black and white images of Jones flood the video monitors. Mick then addresses the crowd, mentioning their South London origins and what a pint of milk, a loaf of bread and a concert ticket used to cost back then. Good joke (my ticket value is 375 quid and I'm not in the posh seats).
Straight into "The Last Time" with Mick drawling out "I don't know". Another teaser. They're sounding powerful, no mess. Definitely not the last time – especially when people will pay these ticket prices. "Paint It Black" is taken slower, almost psychedelic in its guitar figure, and Mick has fun enunciating the words. Very tasty. I'm getting into this.
No I'm not: they're playing "Gimme Shelter" – possibly my favourite rock song ever – but not feeling its ominous weight. And Florence Welch is brought on to murder the female vocal and mince around Mick. Sunday night got Mary J Blige: I believe we have been short-changed.
Seats are brought out for Keith and Ronnie to pluck "Lady Jane". I too have a seat. Then I'm standing because Eric Clapton – looking jovial – is joining them for a work out on Muddy Waters' "Champagne & Reefer". Eric, Ronnie and Keith each take a turn at a brief solo while Mick improvises a pro-legalisation verse that's nice and droll. Eric's gone without having added much and they're ripping through "Live With Me". The video screens fill with American music icons: Etta, Elvis, Miles, Leadbelly, Muddy, Merle, Louis, Chuck, Wolf etc. The band sound tight and tough and Charlie continues to work his magic.
"Miss You" and everything is perfect. Mick is playing guitar so singing rather than running and bassist Darryl Jones finally gets his chubby features on the video screens. He and Charlie build up a huge drum 'n' bass groove before Bobby Keys lets out a big, fat sax burp. These pensioners are suddenly sounding dangerous. Imagine if the Stones had stuck with being a white Chic – they might have truly accomplished something in the Eighties!
Then Mick announces "some new songs" and I sit down. "Doom & Gloom" and the other instantly forgotten tune are so bad even Jack White wouldn't want to claim them. I get the feeling the evening has peaked. The couple next to me, who brought baby along (headphones on the poor mite's head), fear he has been damaged forever and leave.
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Knowledge Base
The VMware Knowledge Base provides support solutions, error messages and troubleshooting guides
Compliance status of a virtual machine does not update when it is migrated between different datastore types (2062710)
- The compliance status of the virtual machine does not update in the vSphere Web Client.
- You are unable to see the correct compliance status of the virtual machine in the vSphere Web Client.
This issue is resolved in VMware Virtual SAN 6.0. For more information, see the VMware Virtual SAN 6.0 Release notes.
To work around the issue after you migrate the virtual machine, check the Storage Policy compliance.
To check the Storage Policy compliance:
- In the vSphere Web Client, select the affected virtual machine.
- Right-click the virtual machine and click All vCenter Actions > VM Storage Policies > Check VM Storage Policy Compliance.
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The PlanetaMessenger.org Libraries project is a set of open source instant messenger libraries used and maintained by PlanetaMessenger.org. You can find protocol implementation for MSN, ICQ, ComVC networks for use on standalone and server applications.6 weekly downloads
RTKER and ATMEGA128 Operating system
Media Lab Asia collaborated with IIT Delhi for development real-time kernel O/S named "RTKER OS" portable on microprocessor based systems and a Multithreaded O/S for 8-bit microcontrollers (like 8051 and ATMega128) as low cost embedded solution.3 weekly downloads
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C++ wrapper for most popular embedded Real Time Operating Systems. With RTOS wrapper your project will be fully portable to any avaible CPU or targer platform with minimal code changes: it needs only one code string (like #define xxxx).
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Drivers, firmware and cross dev tools for the Commodore 64 Retro Replay, RRNet and MMC64.4 weekly downloads
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'Text to Voice' or 'Text to Speech' is 1 of the coolest Firefox add-ons. It gives ur brwsr the pwr of speech. Select txt, clck the bttn on the bttm rite & this add-on spks the selectd txt 4 u. Isn't it brllant? Moreovr odio file cn b dnloaded as99 weekly downloads
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pyz80 is a z80 cross-assembler written entirely in Python. It accepts text files with the syntax of the Sam Coupe's popular COMET assembler, and outputs a disk image suitable for loading in SimCoupe or transferring to floppy disk for use with a real Sam.12 weekly downloads
an implementation of the Inflate decompression algorithm corresponding to deflate compression as used by gzip and compatible with RFC 1951 Written in Z80 assembly language, with memory paging support for the Sam Coupe1 weekly downloads
the Removers' projects
The Removers project contains some ATARI Softwares and other related stuff that we have coded some years ago. It will contain also our further development.
u\Chitenge APAC me name
Association de l'asie pacifique et de l'asie mineur : Mention projet \apac (SF.NET) Chancellerie fédérale Palais fédéral ouest 3003 Berne1 weekly downloads


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text: Page-Walker Arts & History Center www.townofcary.org OnlineWebsite - www.townofcary.orgAddress119 Ambassador LoopCary, NC 27513PhonePrimary - (919) 460-4963Fax - (919) 388-1141 Housed in a restored 1868 railroad hotel, the Page-Walker Arts & History Center offers visitors views of regional art in two distinct galleries and insights into the local history in the Cary Heritage Museum. Visit website for a list of current exhibitions and activities. Free admission. Hours: Mon.-Thurs., 10am -9:30pm; Fri., 10am-5pm; Sat., 10am-1pm AmenitiesHandicap accessible


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text: WASHINGTON, D.C.—Today, U.S. Senator Frank R. Lautenberg (D-NJ), a member of the Senate Appropriations Committee and Vice Chair of the Appropriations Subcommittee overseeing FEMA, announced that the Senate Appropriations Committee has unveiled a $60.4 billion emergency supplemental appropriations bill in response to Superstorm Sandy. The legislation includes federal resources to rebuild and improve New Jersey's beaches and transit system; repair roads, bridges, and infrastructure; and help residents, homeowners, businesses, and local governments recover. "This is a comprehensive disaster relief bill that will help New Jersey and other states recover and rebuild smarter and stronger after Superstorm Sandy. This bill provides funding for proven federal programs that will help rebuild and strengthen New Jersey's shore, transportation network, and support residents and small businesses that need help," said Lautenberg. "We have stood by other states in their time of need, and my colleagues on the Appropriations Committee, led by Chairman Inouye, are standing side-by-side with New Jersey as we recover from Superstorm Sandy. Now we must act quickly to get this bill signed into law before the end of this year, so that we can immediately begin meeting New Jersey's needs." In addition to replenishing FEMA, the bill funds a variety of programs that can help New Jersey where FEMA can't. Some of the key programs include: · Community Development Block Grants – $17 billion to help rebuild homes, buildings, and public infrastructure for expenses that FEMA, insurance, and the Small Business Administration does not cover. This program will also provide grants to small businesses. · Coastal Recovery and Flood Control – $5.3 billion to rebuild and strengthen the Jersey Shore and to construct other flood control projects in the region. · Transportation – $12 billion to rebuild and improve transportation infrastructure in New Jersey and the region. · Water Infrastructure – $810 million to rebuild and improve clean water and drinking water infrastructure. · Health Facilities and Services – $500 million to repair health facilities and provide health services for those in need. ###


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Phillies fire manager Manuel, promote SandbergAP Photo
Former Philadelphia Phillies manager Charlie Manuel has been fired as manager of the Philadelphia Phillies with his team out of the pennant race and in a tailspin since the All-Star break.
PHILADELPHIA Charlie Manuel was fired as manager of the Philadelphia Phillies on Friday, with his team way out of the pennant race and in a tailspin since the All-Star break.
Manuel, the winningest manager in franchise history, was replaced by Hall of Famer and former Cubs second baseman Ryne Sandberg, the Phillies third-base coach. Sandberg managed the Phillies Triple-A team at Lehigh Valley the previous two seasons.
I never quit nothing and I didnt resign, Manuel said, making it clear this decision came from the front office.
With Manuel seated to his left, general manager Ruben Amaro Jr. broke down in tears after making the announcement and saying the former manager has a job with the team if he wants it.
You people may not know the relationship Ive had with Charlie. Hes a special person. This is difficult for me. I hope he stays in our organization, Amaro said.
Amaro said he informed Manuel of the decision not to extend his contract earlier this week in Atlanta. Manuel managed against the Braves on Wednesday night knowing it was his last game.
Sandberg takes over beginning with Friday nights game against the NL West-leading Los Angeles Dodgers.
These guys are professional players, theyre getting paid well, said Sandberg, who was introduced at a news conference before the game. Sometimes players have to dig deeper, play with pride, play with heart and or the name on the front of the uniform.
The Phillies have lost 19 of 24 since last months All-Star break. They are in fourth place and 20½ games out of first in the NL East.
The 69-year-old Manuel has been a folksy presence in the Phillies dugout since the beginning of the 2005 season. He led Philadelphia to the franchises second World Series title in 2008 and brought the team back to the series in 2009, when they lost to the Yankees in six games.
Manuel was 780-636 with the Phillies and won five straight NL East titles from 2007-2011. He also spent three years as manager with the Cleveland Indians, winning the AL Central in 2001.
Even with an aging roster, the Phillies were expected to contend in the NL East this season, but the team has fallen apart.
Two-time Cy Young Award winner Roy Halladay has missed most of the season with an injury. Slugger Ryan Howard also has been out with an injury. High-priced reliever Jonathan Papelbon has struggled to close, and apart from Chase Utley and Dominic Brown the Phillies havent hit much.MORE IN Sports WireCHICAGO The Chicago White Sox suspended ace Chris Sale five days without pay for destroying... Full StoryPARIS On the bike and off Chris Froome has been in a class of his own for three weeks at... Full StoryPARIS Sharing beer and champagne with teammates, Chris Froome celebrated his third Tour de... Full Story
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