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50,987 | tojileon | 2007-09-06T06:57:45 | Kiva: Help working poor entrepreneurs in the developing world | null | http://www.37signals.com/svn/posts/589-kiva-help-working-poor-entrepreneurs-in-the-developing-world | 5 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,001 | benhoyt | 2007-09-06T08:16:41 | Move over mod_python, here comes mod_wsgi. | http://blog.micropledge.com/2007/09/the-up-and-coming-mod_wsgi/ | 18 | 17 | [
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51,004 | baha_man | 2007-09-06T08:28:33 | Emacs now has multi-tty in CVS HEAD | http://blog.mwolson.org/tech/emacs_now_has_multi-tty_in_cvs_head.html | 4 | 1 | [
51204
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51,016 | nreece | 2007-09-06T09:46:13 | Creating Powerful PowerPoint Presentations | http://www.realsoftwaredevelopment.com/2007/09/creating-powerf.html | 4 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,023 | baha_man | 2007-09-06T10:47:11 | How Perl Saved the Human Genome Project | http://www.bioperl.org/wiki/How_Perl_saved_human_genome | 3 | 0 | null | null | null | null | null | null | null | null | null | null | train |
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51,029 | gituflash | 2007-09-06T11:52:56 | Online Newspaper in English and Hindi | null | http://www.jansamachar.net | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,030 | garret | 2007-09-06T11:55:59 | Disciplined fun is more than impulsive or hedonistic fun | http://www.ptwi.com/~bobkat/naturefun.html | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
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51,040 | brlewis | 2007-09-06T12:19:46 | Amazon & Google To Enter eBook Business | null | http://www.techcrunch.com/2007/09/06/amazon-google-to-enter-ebook-business/ | 4 | 0 | null | null | null | no_error | Amazon & Google To Enter eBook Business | TechCrunch | 2007-09-06T11:40:27+00:00 | Michael Arrington |
The New York Times is reporting that both Amazon and Google are entering the eBook business this year, joining Sony and others who already have products (the image to the right is Sony’s Reader).
The new Amazon product and service will be called The Kindle and will compete directly with Sony. Google will begin charging users to read the full text of some of the books they have indexed.
Amazon: The Kindle
The Kindle will be a device to read books – black and white screen, internet connectivity via EVDO and a keyboard to take notes and surf the web. The device, which will cost $400-$500, will interact with an ebook service run by Amazon.
The fact that the device can access books without being separately connected to a computer will be a big selling point over Sony Reader, which sells for $300. The Kindle will also be able to surf the web and users will also be able to read newspapers, magazines, etc.
I’ve had a chance to test the Sony Reader on a number of occasions and found it to be a great way to read books, although the content selection wasn’t great. The Kindle will also use E Ink technology for displaying content. It’s great for reading text in all light conditions but does not display video or other animation.
Amazon isn’t supporting the industry’s open standard around eBooks. Instead they are using their own proprietary format from Mobipocket, a company they acquired in 2005.
Like the iPod, the key driver of sales of the device won’t be the depth of content available on the associated service, but the availability of pirated, free content on BitTorrent and other P2P networks. eBooks are coming, but they’re not here yet.
Google
Google isn’t getting into the device business. Instead, they will start charging users to view some full text books that they’ve indexed, although this is separate from the Google Book Search Library Project. No word on whether Google is sharing revenue with publishers.
Most Popular
Michael Arrington most recently Co-Founded CrunchFund after leading TechCrunch to a successful exit with AOL. His venture investments include Uber, Airbnb and Pinterest. Michael was the Editor of TechCrunch, which he founded in 2005. In 2008 Time Magazine named Michael “One of the World’s 100 most influential people”. Michael also practiced securities law at O’Melveny & Myers and Wilson Sonsini Goodrich & Rosati.Michael graduated from Stanford Law School and
Claremont McKenna College.
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| 2024-11-08T15:16:18 | en | train |
51,042 | pg | 2007-09-06T12:26:06 | Image Compression: Seeing what's not there | http://www.ams.org/featurecolumn/archive/image-compression.html#2 | 18 | 1 | [
51074
] | null | null | no_error | Feature Column from the AMS | null | David Austin
Grand Valley State University
david at merganser.math.gvsu.edu | Image Compression: Seeing What's Not There
Posted September 2007.
In this article, we'll study the JPEG baseline compression algorithm...
The HTML file that contains all the text for this article is about 25,000 bytes. That's less than one of the image files that was also downloaded when you selected this page. Since image files typically are larger than text files and since web pages often contain many images that are transmitted across connections that can be slow, it's helpful to have a way to represent images in a compact format. In this article, we'll see how a JPEG file represents an image using a fraction of the computer storage that might be expected. We'll also look at some of the mathematics behind the newer JPEG 2000 standard.
This topic, more widely known as data compression, asks the question, "How can we represent information in a compact, efficient way?" Besides image files, it is routine to compress data, video, and music files. For instance, compression enables your 8 gigabyte iPod Nano to hold about 2000 songs. As we'll see, the key is to organize the information in some way that reveals an inherent redundancy that can be eliminated.
In this article, we'll study the JPEG baseline compression algorithm using the image on the right as an example. (JPEG is an acronym for "Joint Photographic Experts Group.") Some compression algorithms are lossless for they preserve all the original information. Others, such as the JPEG baseline algorithm, are lossy--some of the information is lost, but only information that is judged to be insignificant.
Before we begin, let's naively determine how much computer storage should be required for this image. First, the image is arranged in a rectangular grid of pixels whose dimensions are 250 by 375 giving a total of 93,750 pixels. The color of each pixel is determined by specifying how much of the colors red, green and blue should be mixed together. Each color component is represented as an integer between 0 and 255 and so requires one byte of computer storage. Therefore, each pixel requires three bytes of storage implying that the entire image should require 93,750 3 = 281,250 bytes. However, the JPEG image shown here is only 32,414 bytes. In other words, the image has been compressed by a factor of roughly nine.
We will describe how the image can be represented in such a small file (compressed) and how it may be reconstructed (decompressed) from this file.
The JPEG compression algorithm
First, the image is divided into 8 by 8 blocks of pixels.
Since each block is processed without reference to the others, we'll concentrate on a single block. In particular, we'll focus on the block highlighted below.
Here is the same block blown up so that the individual pixels are more apparent. Notice that there is not tremendous variation over the 8 by 8 block (though other blocks may have more).
Remember that the goal of data compression is to represent the data in a way that reveals some redundancy. We may think of the color of each pixel as represented by a three-dimensional vector (R,G,B) consisting of its red, green, and blue components. In a typical image, there is a significant amount of correlation between these components. For this reason, we will use a color space transform to produce a new vector whose components represent luminance, Y, and blue and red chrominance, Cb and Cr.
The luminance describes the brightness of the pixel while the chrominance carries information about its hue. These three quantities are typically less correlated than the (R, G, B) components. Furthermore, psychovisual experiments demonstrate that the human eye is more sensitive to luminance than chrominance, which means that we may neglect larger changes in the chrominance without affecting our perception of the image.
Since this transformation is invertible, we will be able to recover the (R,G,B) vector from the (Y, Cb, Cr) vector. This is important when we wish to reconstruct the image. (To be precise, we usually add 128 to the chrominance components so that they are represented as numbers between 0 and 255.)
When we apply this transformation to each pixel in our block
we obtain three new blocks, one corresponding to each component. These are shown below where brighter pixels correspond to larger values.
As is typical, the luminance shows more variation than the the chrominance. For this reason, greater compression ratios are sometimes achieved by assuming the chrominance values are constant on 2 by 2 blocks, thereby recording fewer of these values. For instance, the image editing software Gimp provides the following menu when saving an image as a JPEG file:
The "Subsampling" option allows the choice of various ways of subsampling the chrominance values. Also of note here is the "Quality" parameter, whose importance will become clear soon.
The Discrete Cosine Transform
Now we come to the heart of the compression algorithm. Our expectation is that, over an 8 by 8 block, the changes in the components of the (Y, Cb, Cr) vector are rather mild, as demonstrated by the example above. Instead of recording the individual values of the components, we could record, say, the average values and how much each pixel differs from this average value. In many cases, we would expect the differences from the average to be rather small and hence safely ignored. This is the essence of the Discrete Cosine Transform (DCT), which will now be explained.
We will first focus on one of the three components in one row in our block and imagine that the eight values are represented by f0, f1, ..., f7. We would like to represent these values in a way so that the variations become more apparent. For this reason, we will think of the values as given by a function fx, where x runs from 0 to 7, and write this function as a linear combination of cosine functions:
Don't worry about the factor of 1/2 in front or the constants Cw (Cw = 1 for all w except C0 = ). What is important in this expression is that the function fx is being represented as a linear combination of cosine functions of varying frequencies with coefficients Fw. Shown below are the graphs of four of the cosine functions with corresponding frequencies w.
Of course, the cosine functions with higher frequencies demonstrate more rapid variations. Therefore, if the values fx change relatively slowly, the coefficients Fw for larger frequencies should be relatively small. We could therefore choose not to record those coefficients in an effort to reduce the file size of our image.
The DCT coefficients may be found using
Notice that this implies that the DCT is invertible. For instance, we will begin with fx and record the values Fw. When we wish to reconstruct the image, however, we will have the coefficients Fw and recompute the fx.
Rather than applying the DCT to only the rows of our blocks, we will exploit the two-dimensional nature of our image. The Discrete Cosine Transform is first applied to the rows of our block. If the image does not change too rapidly in the vertical direction, then the coefficients shouldn't either. For this reason, we may fix a value of w and apply the Discrete Cosine Transform to the collection of eight values of Fw we get from the eight rows. This results in coefficients Fw,u where w is the horizontal frequency and u represents a vertical frequency.
We store these coefficients in another 8 by 8 block as shown:
Notice that when we move down or to the right, we encounter coefficients corresponding to higher frequencies, which we expect to be less significant.
The DCT coefficients may be efficiently computed through a Fast Discrete Cosine Transform, in the same spirit that the Fast Fourier Transform efficiently computes the Discrete Fourier Transform.
Quantization
Of course, the coefficients Fw,u, are real numbers, which will be stored as integers. This means that we will need to round the coefficients; as we'll see, we do this in a way that facilitates greater compression. Rather than simply rounding the coefficients Fw,u, we will first divide by a quantizing factor and then record
round(Fw,u / Qw,u)
This allows us to emphasize certain frequencies over others. More specifically, the human eye is not particularly sensitive to rapid variations in the image. This means we may deemphasize the higher frequencies, without significantly affecting the visual quality of the image, by choosing a larger quantizing factor for higher frequencies.
Remember also that, when a JPEG file is created, the algorithm asks for a parameter to control the quality of the image and how much the image is compressed. This parameter, which we'll call q, is an integer from 1 to 100. You should think of q as being a measure of the quality of the image: higher values of q correspond to higher quality images and larger file sizes. From q, a quantity is created using
Here is a graph of as a function of q:
Notice that higher values of q give lower values of . We then round the weights as
round(Fw,u / Qw,u)
Naturally, information will be lost through this rounding process. When either or Qw,u is increased (remember that large values of correspond to smaller values of the quality parameter q), more information is lost, and the file size decreases.
Here are typical values for Qw,u recommended by the JPEG standard. First, for the luminance coefficients:
and for the chrominance coefficients:
These values are chosen to emphasize the lower frequencies. Let's see how this works in our example. Remember that we have the following blocks of values:
Quantizing with q = 50 gives the following blocks:
The entry in the upper left corner essentially represents the average over the block. Moving to the right increases the horizontal frequency while moving down increases the vertical frequency. What is important here is that there are lots of zeroes. We now order the coefficients as shown below so that the lower frequencies appear first.
In particular, for the luminance coefficients we record
20 -7 1 -1 0 -1 1 0 0 0 0 0 0 0 -2 1 1 0 0 0 0 ... 0
Instead of recording all the zeroes, we can simply say how many appear (notice that there are even more zeroes in the chrominance weights). In this way, the sequences of DCT coefficients are greatly shortened, which is the goal of the compression algorithm. In fact, the JPEG algorithm uses extremely efficient means to encode sequences like this.
When we reconstruct the DCT coefficients, we find
Original
Reconstructed
Y
Cb
Cr
Reconstructing the image from the information is rather straightforward. The quantization matrices are stored in the file so that approximate values of the DCT coefficients may be recomputed. From here, the (Y, Cb, Cr) vector is found through the Inverse Discrete Cosine Transform. Then the (R, G, B) vector is recovered by inverting the color space transform.
Here is the reconstruction of the 8 by 8 block with the parameter q set to 50
and, below, with the quality parameter q set to 10. As expected, the higher value of the parameter q gives a higher quality image.
JPEG 2000
While the JPEG compression algorithm has been quite successful, several factors created the need for a new algorithm, two of which we will now describe.
First, the JPEG algorithm's use of the DCT leads to discontinuities at the boundaries of the 8 by 8 blocks. For instance, the color of a pixel on the edge of a block can be influenced by that of a pixel anywhere in the block, but not by an adjacent pixel in another block. This leads to blocking artifacts demonstrated by the version of our image created with the quality parameter q set to 5 (by the way, the size of this image file is only 1702 bytes) and explains why JPEG is not an ideal format for storing line art.
In addition, the JPEG algorithm allows us to recover the image at only one resolution. In some instances, it is desirable to also recover the image at lower resolutions, allowing, for instance, the image to be displayed at progressively higher resolutions while the full image is being downloaded.
To address these demands, among others, the JPEG 2000 standard was introduced in December 2000. While there are several differences between the two algorithms, we'll concentrate on the fact that JPEG 2000 uses a wavelet transform in place of the DCT.
Before we explain the wavelet transform used in JPEG 2000, we'll consider a simpler example of a wavelet transform. As before, we'll imagine that we are working with luminance-chrominance values for each pixel. The DCT worked by applying the transform to one row at a time, then transforming the columns. The wavelet transform will work in a similar way.
To this end, we imagine that we have a sequence f0, f1, ..., fn describing the values of one of the three components in a row of pixels. As before, we wish to separate rapid changes in the sequence from slower changes. To this end, we create a sequence of wavelet coefficients:
Notice that the even coefficients record the average of two successive values--we call this the low pass band since information about high frequency changes is lost--while the odd coefficients record the difference in two successive values--we call this the high pass band as high frequency information is passed on. The number of low pass coefficients is half the number of values in the original sequence (as is the number of high pass coefficients).
It is important to note that we may recover the original f values from the wavelet coefficients, as we'll need to do when reconstructing the image:
We reorder the wavelet coefficients by listing the low pass coefficients first followed by the high pass coefficients. Just as with the 2-dimensional DCT, we may now apply the same operation to transform the wavelet coefficients vertically. This results in a 2-dimensional grid of wavelet coefficients divided into four blocks by the low and high pass bands:
As before, we use the fact that the human eye is less sensitive to rapid variations to deemphasize the rapid changes seen with the high pass coefficients through a quantization process analagous to that seen in the JPEG algorithm. Notice that the LL region is obtained by averaging the values in a 2 by 2 block and so represents a lower resolution version of the image.
In practice, our image is broken into tiles, usually of size 64 by 64. The reason for choosing a power of 2 will be apparent soon. We'll demonstrate using our image with the tile indicated. (This tile is 128 by 128 so that it may be more easily seen on this page.)
Notice that, if we transmit the coefficients in the LL region first, we could reconstruct the image at a lower resolution before all the coefficients had arrived, one of aims of the JPEG 2000 algorithm.
We may now perform the same operation on the lower resolution image in the LL region thereby obtaining images of lower and lower resolution.
The wavelet coefficients may be computed through a lifting process like this:
The advantage is that the coefficients may be computed without using additional computer memory--a0 first replaces f0 and then a1 replaces f1. Also, in the wavelet transforms that are used in the JPEG 2000 algorithm, the lifting process enables faster computation of the coefficients.
The JPEG 2000 wavelet transform
The wavelet transform described above, though similar in spirit, is simpler than the ones proposed in the JPEG 2000 standard. For instance, it is desirable to average over more than two successive values to obtain greater continuity in the reconstructed image and thus avoid phenomena like blocking artifacts. One of the wavelet transforms used is the Le Gall (5,3) spline in which the low pass (even) and high pass (odd) coefficients are computed by
As before, this transform is invertible, and there is a lifting scheme for performing it efficiently. Another wavelet transform included in the standard is the Cohen-Daubechies-Fauraue 9/7 biorthogonal transform, whose details are a little more complicated to describe though a simple lifting recipe exists to implement it.
It is worthwhile to compare JPEG and JPEG 2000. Generally speaking, the two algorithms have similar compression ratios, though JPEG 2000 requires more computational effort to reconstruct the image. JPEG 2000 images do not show the blocking artifacts present in JPEG images at high compression ratios but rather become more blurred with increased compression. JPEG 2000 images are often judged by humans to be of a higher quality.
At this time, JPEG 2000 is not widely supported by web browsers but is used in digital cameras and medical imagery. There is also a related standard, Motion JPEG 2000, used in the digital film industry.
References
Home pages for the JPEG committee and JPEG 2000 committee
Tinku Archarya, Ping-Sing Tsai, JPEG2000 Standard for Image Compression: Concepts, Algorithms and VLSI Architectures, Wiley, Hoboken. 2005.
Jin Li, Image Compression: The mathematics of JPEG 2000, Modern Signal Processing, Volume 46, 2003.
Ingrid Daubechies, Ten lectures on wavelets, SIAM, Philadelphia. 1992.
K.R. Rao, Patrick Yip, Discrete Cosine Transform: Algorithms, Advantages, Applications, Academic Press, San Diego. 1990.
Wikipedia entries for JPEG and JPEG 2000.
David Austin
Grand Valley State University
david at merganser.math.gvsu.edu
Those who can access JSTOR can find some of the papers mentioned above there. For those with access, the American Mathematical Society's MathSciNet can be used to get additional bibliographic information and reviews of some these materials. Some of the items above can be accessed via the ACM Portal , which also provides bibliographic services.
| 2024-11-08T17:49:43 | en | train |
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51,048 | dood | 2007-09-06T12:35:32 | How do you manage complex projects? | More specifically, what tools or systems do you use for stuff like mapping/designing systems, planning, research, notes...? | null | 4 | 4 | [
51069,
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51152
] | null | null | null | null | null | null | null | null | null | train |
51,050 | danw | 2007-09-06T12:44:43 | Forget London and Paris: An Inside Look at Europe's Coolest Cities | http://www.spiegel.de/international/europe/0,1518,502297,00.html | 8 | 5 | [
51386,
51380,
51276
] | null | null | cut_off | Forget London and Paris: An Inside Look at Europe's Coolest Cities | null | Gerhard Spörl, Erich Follath, DER SPIEGEL |
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There are cities that epitomize boredom: with their nondescript architecture, cookie-cutter shopping malls and corporate-franchised culture, they exude a dull vibe that can be found anywhere around the world.And then, of course, there are the grand cities of the past that conjure up magical images simply by mentioning their names: mythical places like Atlantis swallowed by the sea, Babylon from the Old Testament condemned for its hubris, or Pompeii buried by a volcano.
Some metropolises make all of humanity proud: eternal Rome, fun-loving Rio de Janeiro, and indefatigable New York. Others are examples for the rise or fall of an era: colonial Calcutta and the British Raj, or Manchester, the cradle of modern capitalism. More recently, Detroit has come to symbolize first the boom and later the slow decline of the US auto industry.Asias dramatic economic success has reinvigorated mega-cities such as Shanghai and Mumbai, which are once again chasing the superlatives of the future after their previous incarnations under colonial masters.
Its déjà vu all over again. Where once entrepreneurial adventurers and unscrupulous exploiters bet their fortunes, history is repeating itself. Not as a farce -- but rather as unlimited promise. Some cities seem to have the ability to revitalize themselves and regain the world-class status they once held. Hong Kong is a perfect example: Once a leader in mass production, it morphed first into a trading hub and later transformed itself a banking and communications center. The city remained dynamic in spite of occasional setbacks and its people never lost their confidence.
The world is going through a largely unseen revolution at the moment -- and an important historical watershed. For the first time ever, more people live in cities and towns than in the countryside. The 21st century is the first truly urban era.Monster-sized cities in the developing world are growing like cancerous tumors. But it's a trend that can be misleading. Even if the big cities are getting bigger, its the mid-sized ones that are growing even faster. Half of all city dwellers live in metropolitan areas with 500,000 inhabitants or less. Especially in the Western world its the so-called second cities rather than the overpopulated metropolises that are growing and are often culturally more interesting: San Francisco instead of Los Angeles, Barcelona not Madrid, and Hamburg instead of Berlin.
Companies and their employees try to avoid mega-cities, if at all possible. In a world increasingly tied together by globalization and technology, second cities have an easier time flourishing away from larger urban areas. As soon as a city reaches a certain size, its economic productivity starts to sink, says Mario Pezzini, a deputy director at the Organization for Economic Cooperation and Development (OECD) in Paris. An expert on regional competitiveness, he believes the turning point comes once a metropolitan area reaches 6 million inhabitants. After that, higher rents, commuter distances and general urban chaos begin to drag a city down and create a situation where at best the center remains a desirable place -- but only for the rich.
Enormous urban agglomerations like Lagos, Mumbai, São Paulo, or Mexico City are pretty much ungovernable. The plight of the poor engenders a standing army of foot soldiers for organized crime. The wealthy protect themselves since they can no longer depend on the state authorities to do so. In such situations the drug trade starts to flourish.But the crisis hitting megalopolises is an opportunity for second cities. Few would contend that Manila is a cool city. To be cool a city needs to have a manageable size, be safe, offer chances to improve ones lot in life, and have an identifiable elite innovative enough to ensure progress and prosperity. San Francisco is cool. Barcelona is cool.
More than anything, such cities are cool because they are magnets for creative classes of people that inspire and stimulate each other. Both the British sociologist Charles Landry and the US urban researcher Richard Florida have helped develop the concept of such a class of workers, including graphic and fashion designers, computer freaks and software developers, musicians, scientists, engineers, poets, analysts, journalists, actors. Its a diverse and colorful group, exemplified by the ability to create ideas that can flow into companies -- that will in turn attract return-hungry investors with plenty of start-up capital.
Its particularly striking just how heterogeneous the creative class is, but they can be broadly placed into three groups: rational innovators like engineers, scientists and computer experts; a creative middle such as businessmen, advertising people, and designers; and then the artists including musicians, actors and painters.There is little doubt as to the economic importance of such people. Creative industries have created more than 20 million new jobs in the United States alone and around half of all wages and salaries paid in America are for this knowledge-oriented part of society. Around a third of all workers in the industrialized world are part of this creative segment of labor.
Its this creative class that many experts consider critical in making a city cool and trendy. Scientific centers and high-tech industries sprout up where these people are. Thats how to segue from the post-industrial age into one of science and knowledge. When it works, when fantastic ideas become practical, the next Steve Jobs or Bill Gates cant be far behind.The model for this theory is easy to spot: its Silicon Valley in the 1980s that laid the groundwork for capitalism's most recent revolution. Urban researcher Richard Florida, who teaches at George Mason University, says that its on the West Coast of America that the Three Ts -- Technology, Talent, and Tolerance -- came together.
Its easiest to explain what Florida means with technology. If a city wants to attract creative people its advantageous when there are already IT companies, an art scene or biotech firms based there. For talent, a solid education is necessary -- if not always a university degree, as demonstrated by the textbook case of college dropout Bill Gates. And Florida defines tolerance as openness, willingness to integrate, as well as ethnic, racial and lifestyle diversity.'A Balance Between Chaos and Order"Creative types all part of one class may sound like something of a contradiction. Economically speaking, they have no common interests aside from a decent standard of living and making good money. They defy political and ideological categories, however, they do share a similar culture.
According to Landry, they want a balance between chaos and order. They seek variety in their lifestyles, they like to be among other creative people from other professions, they switch between being part of the bourgeoisie and not. They are individualists and hedonists, but they pursue their ideas with a Protestant work ethic and start over when they fail. They like to live in lofts, near waterfronts and enjoy working in old factory buildings.The creative classes find this wild and colorful mixture of lifestyle and work most readily in second cities. And second cities are cool when they attract as many innovative and industrious creative types as possible. Thats why many urban planners, economists and mayors around the world are currently trying to puzzle out in meetings and symposiums how best to lure the creative classes to their cities. Naturally, almost all of them have read Floridas book "The Rise of the Creative Class" and they can often recite parts of it verbatim.
But which European cities are cool, trendy, sexy and well positioned for the future? Where might the next Bill Gates or Steve Jobs find the best conditions to realize new ideas and start a company? Where would an intelligent, ambitious, young engineer from Warsaw or Madrid prefer to live?To help develop its own strategy, the northern German city of Hamburg -- which is hoping to create its own fresh iconic landmark with a new concert house for its philharmonic orchestra -- had the consulting firm Roland Berger survey which European cities were most effectively competing for the creative class and which have best laid the groundwork for the move from the industrial to the knowledge age. The results include five cities that are of manageable size and well poised to bring together the three Ts:
Copenhagen is ahead of the game in Europe touting a gross domestic product (GDP) per capita of €56,000 and population growth of 3.1 percent. It has Floridas talent and technology criteria covered with plenty of new patents and a number of workers involved in knowledge-intensive professions (62.5 percent). The reasons for the citys success include the centralized efforts to lure new companies, the high portion of Denmarks students (11.6 percent) compared to the total population, €270 million in venture capital for startups, and tax breaks for investment in research.
Barcelona has long been a favorite with creative types and its a city that places high value on tolerance. The Catalan metropolis still has to catch up as far as technology is concerned and GDP per capita in 2004 only reached €23,000, however, its rising strongly, as is the number of new arrivals bolstering the population. The Berger survey was particularly surprised by just how popular the city is: Polish engineers, for example, repeatedly named Barcelona as the city theyd like to move to. The city is currently a huge Petri dish for the creative classes, which already make up 43.9 percent of all workers there.
Amsterdam and
Dublin have a similar GDP per capita of €48,000 and both have strong population growth (5.6 percent and 7 percent respectively). Dublin, of course, is a special case profiting from European development aid after Ireland joined the European Union. Amsterdam, by contrast, has long been known as a tolerant and cosmopolitan city with the ability to constantly reinvent itself. Creative professions in the Dutch city account for 47.1 percent of the workforce, whereas only 36.9 percent do in Dublin.
Vienna's per capita GDP is €40,000, but the population has stagnated with only 0.4 percent growth. The Austrian capital made good use of its strategic location after the end of communism in Eastern Europe. International companies like Coca-Cola, Hewlett-Packard and Alcatel opened their Eastern European headquarters here, creating a boom and freshening up a city that once felt more like an open-air history museum. As far as talent, technology and tolerance goes, Vienna is surprisingly equal to Amsterdam. Around 42 percent of the workforce is part of the creative classes.
Theres no magic formula to make a city cool for the creative class. Each city has to make do with its own history, its own buzz, and its political and cultural possibilities. In order to find out just how well these urban experiments are thriving in reality, SPIEGEL is profiling the protagonists of the creative class in the form of five European cities. Four make an appearance in the Berger survey. The Estonian capital
Tallinn -- having become exemplary of the efforts and potential of the dynamic Baltic States, which are racing towards the future -- takes the place of Vienna.The GDP might be relatively low in Tallinn, but the city already accounts for more than half of Estonias national income and few cities around the world are so Internet savvy. Access to the Internet costs almost nothing for Tallinns population, they pay parking meters with their mobile phones and can apply for parental leave benefits online.
Something is emerging in Europe -- the continents cities arent nearly as lethargic and sclerotic as is frequently portrayed in America. Many are well on the way into the knowledge era just like Vancouver in Canada, Austin in Texas, or Sydney in Australia.Its the second cities that will -- if all goes well -- ensure both progress and a bright future.
| 2024-11-08T04:28:37 | en | train |
|
51,055 | nickb | 2007-09-06T13:10:38 | From Rails to Django - Visual Difference | http://mylesbraithwaite.com/blog/archives/2007/rails-django/ | 8 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,058 | transburgh | 2007-09-06T13:24:11 | Something Going On At Twitter? | null | http://www.techcrunch.com/2007/09/06/something-going-on-at-twitter/ | 1 | 3 | [
51064
] | null | null | null | null | null | null | null | null | null | train |
51,060 | transburgh | 2007-09-06T13:26:38 | Google Says No To Net Taxes | null | http://www.webpronews.com/insiderreports/2007/09/06/google-says-no-to-net-taxes | 2 | 0 | null | null | null | no_error | WebProNews - Digital Marketing, Technology, and Business News | null | Name |
CybersecurityUpdate
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Microsoft is warning that Russian threat group Midnight Blizzard is increasing its attacks, engaging in "a series of highly targeted spear-phishing" campai...
AutoRevolution
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A Tesla driver has taken to X, posting a video of his car mowing down a deer at full speed while using Full Self-Driving (FSD) mode.
...
DataAnalystPro
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In the rapidly evolving world of technology, the role of a data analyst has become increasingly vital across industries. For those aspiring to enter this dynamic field, understandi...
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X, then Twitter, began charging developers for API access in February 2023, and has now announced a major price increase.
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VirtualRealityTrends
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Apple is reportedly delaying the launch of its cheaper Vision Pro till at least 2027, according to analyst Ming-Chi Kuo.
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EmergingTechUpdate
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Intel is backtracking on one of its most promising designs, with CEO Pat Gelsinger saying Lunar Lake was a "one-off" that the company has no intention of r...
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GitHub has released "Octoverse 2024," revealing that Python is now the most popular programming language, and AI is boosting development, not endi...
MobileDevPro
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Just days after banning the iPhone 16, Indonesia has struck again, this time banning Google's Pixel fines for similar reasons as its ban on the iPhone....
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The Securities and Exchange Commission announced that JPMorgan has been fined $151 million to resolve multiple issues in which the company violated the law...
AutoRevolution
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November 3, 2024
Hyundai revealed the Initium, a hydrogen fuel cell vehicle that represents the culmination of nearly three decades of the company's research.
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Reddit reported its third-quarter earnings, revealing that it turned a profit for the first time in its 19-year history.
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In a Reddit AMA with OpenAI’s Sam Altman, Kevin Weil, Srinivas Narayanan, and Mark Chen, Altman blamed compute scaling for the lack of newer AI models....
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In an era where inboxes are as crowded as city sidewalks, the science behind getting your emails noticed has never been more critical. The 2024 Email Mark...
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Washington lawmakers are growing increasingly worried about Intel's future, even weighing additional bailout options.
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DataDrivenMarketingPro
Brian Wallace -
November 3, 2024
Businesses are dealing with “big data” - but what they really want is actionable insight from that data. These are the accompanying services of data sc...
MobileDevPro
Matt Milano -
November 2, 2024
Apple has given the MacBook Air a surprise, but welcome, upgrade, increasing the base RAM from 8 to 16GB.
...
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Ryan Gibson -
November 2, 2024
In an era marked by rapid technological advancements, the role of a data analyst is evolving at an unprecedented pace. Luke Barousse...
TransportationRevolution
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Skydio, one of the leading US drone makers, announced that China has imposed sanctions on it in response to its business with Taiwan.
...
AppDevNews
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November 1, 2024
Pixelmator has long been a staple for many Mac designers, and the company is now joining Apple in an effort to widen its reach and appeal.
...
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November 1, 2024
As the clock strikes 9:45 AM, Agatha Kang, a Business Intelligence Engineer at Amazon Web Services (AWS), be...
RemoteWorkingTrends
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November 1, 2024
AWS employees are stepping up their efforts to reverse ...
ITProNews
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November 1, 2024
Microsoft has once again delayed the rollout of its controversial Recall feature, saying it needs more time to get it right.
...
SearchNews
Matt Milano -
November 1, 2024
Google is expanding AI Overviews in Search, rolling out the feature to more than 100 countries, providing access to more than one billion users.
...
| 2024-11-08T20:32:11 | en | train |
51,077 | falsestprophet | 2007-09-06T14:12:44 | And some businesses fail witin the first week. | http://www.boston.com/news/globe/city_region/breaking_news/2007/09/for_two_northea.html | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,081 | ivankirigin | 2007-09-06T14:25:17 | Animation for the Masses | null | http://www.technologyreview.com/Infotech/19344/ | 2 | 4 | [
51194,
51156
] | null | null | null | null | null | null | null | null | null | train |
51,083 | ivankirigin | 2007-09-06T14:26:55 | E-paper with Photonic Ink | null | http://www.technologyreview.com/Infotech/19337/ | 7 | 2 | [
51170,
51315
] | null | null | null | null | null | null | null | null | null | train |
51,090 | donna | 2007-09-06T14:48:20 | For-Profit Crusade Against Junk Mail | http://www.nytimes.com/2007/09/06/business/smallbusiness/06sbiz.html?ex=1346731200&en=99458ddbb33a626f&ei=5090&partner=rssuserland&emc=rss | 6 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,092 | Readmore | 2007-09-06T14:54:06 | Wired: "How Mark Zuckerberg created the web's hottest platform." | http://www.wired.com/techbiz/startups/news/2007/09/ff_facebook | 9 | 9 | [
51121,
51357,
51274
] | null | null | null | null | null | null | null | null | null | train |
|
51,094 | byrneseyeview | 2007-09-06T15:02:07 | Venezuela considers a ban on all but 100 first names | Goodbye, Hitler Adonys Rodriguez Crespo, Hochiminh Jesus Delgado Sierra, and Dwight Eisenhower Rojas Barboza. | http://www.nytimes.com/2007/09/05/world/americas/05venez.html?ex=1189656000&en=331aaedc37f3d262&ei=5070&emc=eta1 | 2 | 1 | [
51111
] | null | null | null | null | null | null | null | null | null | train |
51,095 | mattculbreth | 2007-09-06T15:06:33 | iPhone Pricing--A mistake or a clever plan? | http://blog.bravadosoft.com/index.php/2007/09/06/iphone-pricing-a-mistake-or-a-clever-plan/ | 2 | 5 | [
51115,
51167,
51155
] | null | null | null | null | null | null | null | null | null | train |
|
51,098 | jkush | 2007-09-06T15:19:44 | They Write The Right Stuff. Old, but still very interesting article. | null | http://www.fastcompany.com/magazine/06/writestuff.html | 5 | 1 | [
51215
] | null | null | no_error | They Write the Right Stuff | 1996-12-31T10:00:00+00:00 | Charles Fishman | The right stuff kicks in at T-minus 31 seconds.As the 120-ton space shuttle sits surrounded by almost 4 million pounds of rocket fuel, exhaling noxious fumes, visibly impatient to defy gravity, its on-board computers take command. Four identical machines, running identical software, pull information from thousands of sensors, make hundreds of milli-second decisions, vote on every decision, check with each other 250 times a second. A fifth computer, with different software, stands by to take control should the other four malfunction.At T-minus 6.6 seconds, if the pressures, pumps, and temperatures are nominal, the computers give the order to light the shuttle main engines — each of the three engines firing off precisely 160 milliseconds apart, tons of super-cooled liquid fuel pouring into combustion chambers, the ship rocking on its launch pad, held to the ground only by bolts. As the main engines come to one million pounds of thrust, their exhausts tighten into blue diamonds of flame.Then and only then at T-minus zero seconds, if the computers are satisfied that the engines are running true, they give the order to light the solid rocket boosters. In less than one second, they achieve 6.6 million pounds of thrust. And at that exact same moment, the computers give the order for the explosive bolts to blow, and 4.5 million pounds of spacecraft lifts majestically off its launch pad.It’s an awesome display of hardware prowess. But no human pushes a button to make it happen, no astronaut jockeys a joy stick to settle the shuttle into orbit. | 2024-11-07T19:28:24 | en | train |
51,099 | tojileon | 2007-09-06T15:21:20 | How to create companies from university ideas | null | http://news.bbc.co.uk/2/hi/uk_news/education/6978605.stm | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,101 | luccastera | 2007-09-06T15:27:31 | Nortel Goes Shopping | null | http://www.redherring.com/Home/22723 | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,103 | luccastera | 2007-09-06T15:32:49 | Is Enterprise Software Failing The Innovation Test? | null | http://future.gigaom.com/2007/09/05/is-enterprise-software-failing-the-innovation-test/ | 23 | 18 | [
51382,
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] | null | null | null | null | null | null | null | null | null | train |
51,106 | transburgh | 2007-09-06T15:45:07 | Where to Spend your Marketing Dollars First | null | http://www.gobignetwork.com/wil/2007/9/6/where-to-spend-your-marketing-dollars-first/10191/view.aspx | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,107 | baha_man | 2007-09-06T15:46:25 | Zombie Pfizer Computers Spew Viagra Spam | http://www.wired.com/politics/security/news/2007/09/pfizerspam | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,108 | baha_man | 2007-09-06T15:47:21 | "We found it!" - Search finally implemented in Google Reader | http://googlereader.blogspot.com/2007/09/we-found-it.html | 2 | 1 | [
51112
] | null | null | null | null | null | null | null | null | null | train |
|
51,110 | charzom | 2007-09-06T15:49:04 | The Dirty Secret of Campus Credit Cards | null | http://www.businessweek.com/bwdaily/dnflash/content/sep2007/db2007095_053822.htm | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,117 | baha_man | 2007-09-06T15:55:46 | Mind games | "One of Britain's top scientists [Baroness Susan Greenfield] is joining the likes of Chris Tarrant and Nicole Kidman by putting her name to a new wave of computer games designed to keep the brain fit." | http://news.bbc.co.uk/2/hi/uk_news/magazine/6979949.stm | 1 | 0 | null | null | null | no_error | BBC NEWS | UK | Magazine | null | null |
By Tom Geoghegan
BBC News Magazine
One of Britain's top scientists is joining the likes of Chris Tarrant and Nicole Kidman by putting her name to a new wave of computer games designed to keep the brain fit.
As if the gym was not tyranny enough, now there's another fitness routine that's playing on the insecurities of the masses - the brain workout.
Picasso aims to train visual memory. Users have a few seconds to memorise the right-hand design.
After part of the design disappears, shapes are picked from the left to fill empty squares.
The mouse is used to pick up one of the squares on the left, indicated here by its lighter shade.
The chosen square is dropped into one of the empty squares. It is accepted if it is correct.
The process is then repeated until the empty squares are correctly filled in as little time as possible.
MindFit's creators compare this kind of brain exercise to a physical workout in the gym.
A percentage score is given and can be stored for future comparison.
But at least couch potatoes will not have to stir from the sofa to take part. This path to cerebral salvation can be navigated sitting down, in front of a screen, with a computer game.
A current advertising campaign by Nintendo suggests commuters put their sedentary time to good effect by improving mind functions like memory and concentration with a brain game.
The latest program to take the grey matter on a road test is MindFit, to be launched by one of Britain's best-known scientists, Baroness Susan Greenfield, on Thursday. Others include IQ Academy and Anagrammatic.
MindFit is PC-based software providing a collection of games (such as Picasso, explained above) that its creators say can halt the mental decline associated with ageing, based on trials in Israel among 121 volunteers aged over 50.
Bruce Robinson of MindWeaver, the company behind the software, says the different exercises target certain cognitive functions like memory, visual spatial awareness and concentration.
"If you use the analogy of a fitness room or gym then it has the equivalent of all the machines to exercise this variety of functions and has an online personal trainer aligning the exercises that you do to match your particular abilities and match your own performance."
There is now good scientific evidence to show that exercising the brain can slow, delay and protect against age-related decline
Brain training is gaining popularity, Mr Robinson believes, partly because people are getting more interested in monitoring their wellness and brain health, and partly due to people living longer and dementia becoming more common in society.
It is not just older people who are being targeted. The education system has long been aware of the potential use of computer games and a survey last year suggested about a third of teachers used gaming in the classroom, to sharpen motor and cognitive skills.
Many brands have devised games that specifically aim to develop mental agility in people of all ages.
Nintendo's Brain Training series, inspired by prominent Japanese neuroscientist Dr Ryuta Kawashima, has sold 10 million units - helped by endorsements from Chris Tarrant and Nicole Kidman. Olivia Doran, 69, from Hertfordshire, received one as a Mother's Day present in March. She spends about 45 minutes a day on a hand-held console playing brain games and Sudoku.
Brain rewiring
"My 'brain age' was 75 when I started so that was a bit of a shock," she says. "But my average has come down to 27 now and I'm proud of that. It goes up and down. If you're tired when doing the exercises then your brain is a bit poor."
Nicole Kidman is plugging More Brain Training from Dr Kawashima
The exercises Olivia does include arithmetic calculations, recalling four to six numbers in their correct sequence and working out the time difference between two clocks. Another involves drawing a design from memory.
"In the beginning I wanted to do it because I wanted to make sure I stayed with it, but I do enjoy it too," she says.
"I have noticed the difference to an extent. I can remember little snippets - things I hear on the radio - a little bit more accurately."
Research done on animals has linked stimulation from visual tasks to the strengthening of neuron connections in the brain, says Professor David Moore, the neuroscientist who founded MindWeavers.
Stronger connections between neurons have not been demonstrated directly in humans because a test would require putting an electrode into the brain, he says, but neuro-imaging of whole human brains shows activity in the same areas when people play these games.
Waistlines
"When you do a difficult exercise on MindFit, what you're doing is engaging a population of neurons that are responding to what they see on screen or hear, and this population are all firing together in a synchronised way. That strengthens the connections with other neurons."
OTHER WAYS TO WORK THE BRAIN
Physical exercise
Reading aloud
Crosswords
Sudoku
Memorising telephone numbers
The existence of 'brain food' such as fish is debatable
This seems to prevent the onset of cognitive decline and could in the long-term provide an alternative to drugs, says Professor Moore.
Daily life provides some of this stimulation anyway, he says, but the computer games record and assess an individual's performance, so can chart progress and keep the difficulty level at the right point.
But not everyone is convinced that gaming is the best way to improve brain power.
Ben Goldacre, who writes a column in the Guardian about the media's misrepresentation of science, says: "There's no doubt that maintaining and practising mental agility is protective in the long-term but there's a question about whether it needs to be a fancy and proprietary system.
"People are trying to commercialise common sense and over-complicate it."
These games are often no better or worse, he says, than doing a crossword, a Sudoku puzzle, a computer game or a sport that exercises hand-eye coordination.
There's also a practical and more realistic reason to believe it won't be a craze that will sweep the nation.
For those that find it hard enough to do 15 minutes of moderate exercise a day - and resent being told they should - taking the brain for a workout may remain a forlorn hope.
A selection of your comments appears below.
My wife bought me a DS for my birthday that included the brain trainer game and after two weeks of day by day training we've both noticed an improvement in memory. Seems to be doing what the tin says it does!Callum, York UK
No disrespect to Olivia Doran, but on what theory do the game designers assert that her brain age has moved from 75 to 27? Are they not just replicating the observation that you can vastly improve your performance on IQ tests by doing more of them?Chris, Cuffley
Brain training may be a fad and it may not be, but the core of the matter is that the beneficial aspects of playing video games are finally being brought to the attention of a wider audience. Keeping the mind sharp is always a good thing, and video games add fun to the equation.William, Cincinnati, USA
To my surprise my girlfriend (who doesn't like computer games at all) got me into buying Big brain academy for the Wii and both play on a regular basis, although not daily. I have never bothered with regular fitness because it forces you to do boring exercises, but brain training is quite enjoyable and challenging.Jaime Visser, Etten-Leur, Netherlands
An interesting article. Mind you, I don't agree with the last paragraph. I would be much more likely to spend 15 minutes at the computer, especially on something like this, than I would be to go to the gym, or even take a long walk.Margaret, Healesville, Victoria, Australia
These mind games lead to an intellectual cul-de-sac. They are probably a "here today, gone tomorrow" gimmick anyway, and may not even equate to a good crossword or codeword.
The real brain stimulation which also has an extremely useful end product is language learning. Learning a foreign language stimulates the brain to the utmost. Furthermore, it is a social pastime unlike these mind games played in solitude. And what a high you experience when you find you can actually communicate in your chosen language.Freddy Johnson, Lincoln,UK
Games like Brain Age are a good idea. However, The tiny screen on the Nintendo DS makes it difficult for many older people, (such as those with vision loss), to use them. They should be offered on a platform that is more accessable to this group.Mary Goetz, Hurst, Texas, USA
| 2024-11-08T15:11:42 | en | train |
51,128 | toffer | 2007-09-06T16:17:44 | Danah Boyd: confused by Facebook | null | http://www.zephoria.org/thoughts/archives/2007/09/06/confused_by_fac.html | 5 | 3 | [
51219,
51332,
51339
] | null | null | null | null | null | null | null | null | null | train |
51,130 | nickb | 2007-09-06T16:18:14 | How the iPhone keyboard should look instead | http://www.informationarchitects.jp/branding-crimes-3-the-iphone-keyboard | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,131 | soyapi | 2007-09-06T16:19:19 | Pipes creator leaves Yahoo! Starts polyvore.com | Pasha Sadri: "I have recently left Yahoo! to pursue some personal projects. .... My new project is called Polyvore."
<a href="http://www.polyvore.com" rel="nofollow">http://www.polyvore.com</a> | http://pashasadri.wordpress.com/2007/09/06/goodby/ | 4 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,134 | epi0Bauqu | 2007-09-06T16:22:34 | aSmallWorld Invitation? | Does anyone here have an aSmallWorld invitation they are willing to share with me? | 1 | 5 | [
51142,
51137
] | null | null | invalid_url | null | null | null | null | 2024-11-08T16:37:59 | null | train |
|
51,136 | nickb | 2007-09-06T16:25:53 | Are Rich People Parasites? | null | http://www.mises.org/story/2700 | 12 | 18 | [
51147
] | null | null | null | null | null | null | null | null | null | train |
51,139 | nickb | 2007-09-06T16:28:26 | Announcing Protoscript - Prototyping the Rich Web Experience (from Y!) | http://looksgoodworkswell.blogspot.com/2007/09/announcing-protoscript.html | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,153 | brlewis | 2007-09-06T17:15:13 | 'Wiki City Rome' uses data from mobile devices to follow crowd movements | http://web.mit.edu/newsoffice/2007/wikicity-0830.html | 3 | 2 | [
51187,
51199
] | null | null | http_404 | Page not found | MIT News | null | null |
The requested page could not be found.
| 2024-11-08T00:23:58 | null | train |
|
51,163 | brett | 2007-09-06T17:36:47 | Nokia Marketing Team Reaches Out To Angry iPhone Users | null | http://www.techcrunch.com/2007/09/06/nokia-marketing-team-reaches-out-to-angry-iphone-users/ | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,171 | drm237 | 2007-09-06T17:54:46 | Ignite Seattle 4: Startup Talks | At Ignite Seattle 4 we had fifteen great talks (all available on YouTube). As usual the talks were on topics that we felt geeks would appreciate. Two in particular contain sage advice for an entrepreneur. The first video is Leo Dirac's explanation of Venture Capital Term Sheets. The second is Dave McClure's talk on Startup Metrics (after the jump). Both five-minute talks were selected to do a reprise at Gnomedex. | http://radar.oreilly.com/archives/2007/09/ignite_seattle_5.html | 3 | 1 | [
51189
] | null | null | null | null | null | null | null | null | null | train |
51,178 | raju | 2007-09-06T18:11:24 | Ruby Matters: Meta-programming, Synthesis, and Generation | http://memeagora.blogspot.com/2007/09/ruby-matters-meta-programming-synthesis.html | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,181 | brett | 2007-09-06T18:16:47 | More from the Trenches - Rick Segal advises someone to go for small scale acquisition angering other VCs | http://ricksegal.typepad.com/pmv/2007/09/more-from-the-t.html | 14 | 1 | [
51555
] | null | null | null | null | null | null | null | null | null | train |
|
51,182 | youngnh | 2007-09-06T18:17:12 | DOJ advises that Net Neutrality could hamper development of the Internet | Bad news and the flawed analogies still persist. This time instead of tubes, the internet is likened to the Post Office charging more for express mail. | http://news.yahoo.com/s/ap/20070906/ap_on_hi_te/internet_fees_justice_department;_ylt=AlDVAzEP6zj3FCeqjPcXCsWs0NUE | 4 | 1 | [
51190
] | null | null | null | null | null | null | null | null | null | train |
51,211 | transburgh | 2007-09-06T19:06:20 | Steve Jobs tells iPhone buyers to drop dead | null | http://valleywag.com/tech/apple/steve-jobs-tells-iphone-buyers-to-drop-dead-297122.php | 1 | 1 | [
51234
] | null | null | null | null | null | null | null | null | null | train |
51,218 | rainsill | 2007-09-06T19:13:16 | Do You Invest For The Long Term? | Personal Investment Strategies. | http://fishtrain.com/2007/08/23/do-you-invest-for-the-long-term/ | 5 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,220 | bmaier | 2007-09-06T19:16:09 | Sublime Photographs with some Interesting Business Insights | http://www.behance.com/Featured/Articles/Kristopher-Grunert-Energy-_-Photography/5525 | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,221 | rainsill | 2007-09-06T19:16:13 | Brands Can Last Forever | A brand can last forever if it follows a two-pronged approach. | http://fishtrain.com/2007/08/17/brands-can-last-forever/ | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,244 | chaostheory | 2007-09-06T19:55:47 | Need to prototype fast for this YC funding period? Check out this Rails app generator. | I've seen stuff like Hobo and Goldberg, but s3 integration out of the box is a first (or at least I think it is). | http://www.ajuby.com/ | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,247 | jkush | 2007-09-06T20:02:06 | New Mexico Spaceport Design Unveiled | http://www.universetoday.com/2007/09/05/new-mexico-spaceport-design-unveiled/ | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,258 | nickb | 2007-09-06T20:16:29 | The rap on Rapleaf, the "trust meter" you can't trust | http://valleywag.com/tech/auren-hoffman/the-rap-on-rapleaf-the-trust-meter-you-cant-trust-297143.php | 1 | 0 | null | null | null | fetch failed | null | null | null | null | 2024-11-08T10:05:25 | null | train |
|
51,259 | far33d | 2007-09-06T20:17:48 | Isn't Your Kid a CEO? | http://www.sfgate.com/cgi-bin/article.cgi?f=/g/a/2007/09/06/bizkid.DTL | 7 | 2 | [
51355,
51334
] | null | null | null | null | null | null | null | null | null | train |
|
51,260 | terpua | 2007-09-06T20:18:07 | Zoho's Business Suite Taking on Google Apps | null | http://www.techcrunch.com/2007/09/06/zohos-business-suite-takikng-on-google-apps/ | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,262 | nickb | 2007-09-06T20:18:45 | NBC tries to make up with Apple | http://valleywag.com/tech/online-video/nbc-tries-to-make-up-with-apple-297139.php | 8 | 1 | [
51360
] | null | null | null | null | null | null | null | null | null | train |
|
51,268 | dawie | 2007-09-06T20:29:03 | 10 ways to make remembering to read your feeds easier | I don't have 3000 feeds, but I do use iGoogle to keep and eye on my feeds | http://marshallk.com/readfeeds | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,280 | terpua | 2007-09-06T20:57:23 | How to Find What You Love to Do | null | http://briankim.net/blog/2006/07/how-to-find-what-you-love-to-do/ | 2 | 2 | [
51363,
51281
] | null | null | null | null | null | null | null | null | null | train |
51,283 | terpua | 2007-09-06T21:03:19 | Facebook: Opening Up, But on Its Own Terms | null | http://www.techcrunch.com/2007/09/06/facebook-opening-up-but-on-its-own-terms/ | 9 | 2 | [
51395,
51530
] | null | null | null | null | null | null | null | null | null | train |
51,288 | transburgh | 2007-09-06T21:12:37 | Justice Department Says ISPs Are Like The Post Office | null | http://www.techcrunch.com/2007/09/06/justice-department-says-isps-are-like-the-post-office/ | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,289 | steffon | 2007-09-06T21:14:26 | The Impending Social Search Inflection Point | http://searchengineland.com/070403-040029.php | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,291 | vlad | 2007-09-06T21:15:31 | Wired: Four Mistakes Apple Made Slashing Pricing | http://blog.wired.com/business/2007/09/four-mistakes-a.html | 2 | 1 | [
51294
] | null | null | null | null | null | null | null | null | null | train |
|
51,293 | nickb | 2007-09-06T21:16:41 | Q&A with Jobs: 'That's what happens in technology' | http://www.usatoday.com/tech/products/2007-09-05-jobs-qanda_N.htm | 5 | 1 | [
51552
] | null | null | null | null | null | null | null | null | null | train |
|
51,298 | dawie | 2007-09-06T21:21:27 | Google Custom Search: Setting The Bar For Vertical Search Engines | null | http://www.readwriteweb.com/archives/google_custom_search_vertical_search.php | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,316 | transburgh | 2007-09-06T21:43:43 | Facebook's Power Studied | null | http://www.webpronews.com/topnews/2007/09/06/facebooks-power-studied | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,319 | henning | 2007-09-06T21:48:46 | Vancouver, BC | At least he didn't call it "Top 6 Ways to Fly With Style" or something egregiously linkbait-y. | http://joelonsoftware.com/items/2007/09/05.html | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,329 | czai | 2007-09-06T22:16:26 | Cocktail Party Clustering | We can do it in the real world (or RL as some prefer it), so why can't it be done in the virtual one? | http://www.discerniblepreferences.com/2007/09/cocktail-party-.html | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,336 | aston | 2007-09-06T22:30:42 | Screen Shots And Feature Overview of Delicious 2.0 Preview | http://www.techcrunch.com/2007/09/06/exclusive-screen-shots-and-feature-overview-of-delicious-20-preview/ | 17 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,347 | donna | 2007-09-06T22:44:17 | Launching A Revolution In Health | http://www.forbes.com/home/opinions/2007/08/26/solutions-healthcare-doctors-oped-cx_daa_0904healthcare_land.html | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,351 | omouse | 2007-09-06T23:00:32 | Can Lisp do What Perl Does Easily? | Erik Naggum on why Perl sucks :D | http://groups.google.com/group/comp.lang.lisp/msg/fc76ebab1cb2f863 | 25 | 45 | [
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] | null | null | null | null | null | null | null | null | null | train |
51,361 | gabrielroth | 2007-09-06T23:35:21 | Missing (from) Links: great idea for the expansion of HTML syntax | http://www.furia.com/page.cgi?type=log&id=273 | 2 | 1 | [
51469
] | null | null | Failed after 3 attempts. Last error: Quota exceeded for quota metric 'Generate Content API requests per minute' and limit 'GenerateContent request limit per minute for a region' of service 'generativelanguage.googleapis.com' for consumer 'project_number:854396441450'. | furialog | null | null | ¶ Missing (from) Links · 31 August 2007 tech
It should be possible to refer explicitly to something particular on a web page. To anything, whether or not the page's author thought to assign it a (secret) labeled ahead of time.
The most obvious way to mostly provide this, it seems to me, is for the HTTP URL syntax to include a way to specify a search string at the end, which the browser simply plugs into its own Find function after loading the page. I will randomly suggest that since we already have "#" for fragments at the end of a URL, and valid fragment IDs must begin with an alphanumeric or an underscore, "#=" could be used for passing search text. So where
http://www.furia.com/page.cgi?type=log&id=273
refers to this blog-entry as a whole page, you could also do
http://www.furia.com/page.cgi?type=log&id=273#=this+phrase
to refer directly to this phrase.
For extra credit we could also support "@" and a number for getting to the Nth use of that text. So
http://www.furia.com/page.cgi?type=log&id=273#=this+phrase@2
would refer directly to this phrase, not the one above.
Useful, semantically reasonable, eminently implementable.
[See the discussion on vF.]
| 2024-11-08T20:28:28 | null | train |
|
51,369 | transburgh | 2007-09-07T00:10:55 | Screen Shots And Feature Overview of Delicious 2.0 Preview | http://www.techcrunch.com/2007/09/06/exclusive-screen-shots-and-feature-overview-of-delicious-20-preview/ | 2 | -1 | null | null | true | null | null | null | null | null | null | null | train |
|
51,370 | transburgh | 2007-09-07T00:12:46 | Cleantech 2.0 (the new venture capital buzz) | null | http://www.redcanary.ca/view/cleantech-2-0 | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,392 | aswanson | 2007-09-07T01:33:30 | Ask News.YC: Where are good books/sites for semantic analysis, economics, and genetics? | 1 | 1 | [
51396
] | null | null | invalid_url | null | null | null | null | 2024-11-08T16:37:59 | null | train |
||
51,397 | rokhayakebe | 2007-09-07T01:55:41 | Working Hard. The biggest bullshit. | Sorry to interrupt, but I have a question. Do you really feel as if YOU working hard is ultimately going to make you successful. What I am saying is that would it not be smarter< even if you are building a startup, to find individuals who just are crazy about working and pay them the buck to do it. I also see lots of people who work hard, but their financial situation just cannot get better, although they do not spend lots of money. I am seriously re-thinking this working hard thing. | null | 13 | 47 | [
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] | null | null | null | null | null | null | null | null | null | train |
51,409 | yamada | 2007-09-07T02:15:42 | What's the difference between a startup and a magic spell? | You assemble symbols in a specific manner. If done correctly, they will have an alchemical effect on the chemical reactions within the mind of the intended target. This will alter his perception of the world, which in turn will alter his actions, which in turn will further alter the world according to your will ... to a reasonable degree. Quick - what am I talking about - a spell or a business plan/website/demo? | 2 | 2 | [
51410
] | null | null | invalid_url | null | null | null | null | 2024-11-08T16:37:59 | null | train |
|
51,416 | transburgh | 2007-09-07T02:30:28 | 3 Lessons in Clearing Hurdles & Lowering (some) Expectations - Found+READ | null | http://www.foundread.com/view/3-lessons-in | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,422 | jsjenkins168 | 2007-09-07T02:43:03 | Advice on user authentication? | Does anyone have advice on an good approach for secure user authentication? Basically, I am looking for the best method without using SSL (if possible).<p>What I'm thinking now is when a user logs in, send the username and pass as plain text (or is there somehow a way to hash in javascript?) via an asynchronous call, then server side perform a hash on the string and compare it to what is stored in the database. If successful, return logged in status to the browser. Then it is assumed that session is authenticated. Are there other considerations to be mindful of?<p>Or what about using SSL for the initial handshake, and then use normal HTTP once the user has been authenticated? This way the login text is sent securely, but then the SSL connection can be closed to free resources and improve speed. No protection against main-in-the-middle attacks, but that's probably ok.<p>Security for this is not critical, but probably more so than other projects I've worked on in the past so I would like to have all bases covered. I figured this site was a good place to tap some expert knowledge. | 4 | 8 | [
51439,
51470
] | null | null | invalid_url | null | null | null | null | 2024-11-08T16:37:59 | null | train |
|
51,430 | daniel-cussen | 2007-09-07T02:54:37 | Are domains too cheap? | Making domains more expensive makes it much harder for squatters to take good domain names and leave them parked. If the price went up to $50, do you think it would hurt or favor Web 2.0 entrepreneurship? | 3 | 2 | [
51437
] | null | null | invalid_url | null | null | null | null | 2024-11-08T16:37:59 | null | train |
|
51,436 | yamada | 2007-09-07T03:02:24 | How can we all write forum titles so interesting that we cancel each other out? | No seriously I want to know. | 2 | 3 | [
51472,
51524
] | null | null | invalid_url | null | null | null | null | 2024-11-08T16:37:59 | null | train |
|
51,451 | nickb | 2007-09-07T03:16:57 | C++ is a horrible language, says Linus Torvalds | null | http://thread.gmane.org/gmane.comp.version-control.git/57643/focus=57918 | 62 | 60 | [
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] | null | null | fetch failed | null | null | null | null | 2024-11-08T21:30:35 | null | train |
51,454 | nickb | 2007-09-07T03:19:32 | The Blue Screen of Felony Convictions | http://www.oreillynet.com/onlamp/blog/2007/09/the_blue_screen_of_felony_conv.html | 4 | 0 | null | null | null | no_error | O'Reilly Media - Technology and Business Training | null | null |
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| 2024-11-08T00:10:07 | en | train |
|
51,455 | nickb | 2007-09-07T03:19:50 | Fold Diagrams | http://cale.yi.org/index.php/Fold_Diagrams | 3 | 0 | null | null | null | timeout | null | null | null | null | 2024-11-08T13:32:46 | null | train |
|
51,456 | nickb | 2007-09-07T03:20:30 | Computer Scientists in a snit over Mathematician's criticism | http://in-theory.blogspot.com/2007/08/swift-boating-of-modern-cryptography.html | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,459 | nickb | 2007-09-07T03:21:19 | Scala vs. Groovy: static typing is key to performance | http://dmy999.com/article/26/scala-vs-groovy-static-typing-is-key-to-performance | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,462 | nickb | 2007-09-07T03:22:36 | Relational database pioneer says technology is obsolete | http://www.computerworld.com/action/article.do?command=printArticleBasic&articleId=9034619 | 15 | 9 | [
51661,
51960,
51562,
51573
] | null | null | null | null | null | null | null | null | null | train |
|
51,501 | nsimpson | 2007-09-07T04:11:49 | When is the right time to "light the bulb"? | http://fridayreflections.typepad.com/weblog/2007/09/when-is-the-rig.html | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
|
51,518 | hhm | 2007-09-07T04:56:55 | What's your autism quotient? (link updated) | null | http://www.isle-of-avalon.co.uk/cgi-bin/aq.cgi | 15 | 46 | [
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] | null | null | null | null | null | null | null | null | null | train |
51,519 | steffon | 2007-09-07T04:57:40 | The Art, Science and Business of Recommendation Engines | Is this really the best that's out there? | http://www.readwriteweb.com/archives/recommendation_engines.php | 4 | 4 | [
51623,
51541
] | null | null | null | null | null | null | null | null | null | train |
51,539 | karzeem | 2007-09-07T05:51:24 | The battle between HD DVD and Blu-ray might screw both of them | Interesting the way hardware standards develop in the free market. I don't know a huge amount about this, but why wouldn't people just buy combination HD DVD/Blu-ray players? The small extra cost seems worth it to be able to forget about who's going to win. | http://arstechnica.com/news.ars/post/20070906-battle-between-blu-ray-and-hd-dvd-fizzles-as-consumers-watch-and-wait.html | 7 | 2 | [
51904,
51782
] | null | null | null | null | null | null | null | null | null | train |
51,553 | nreece | 2007-09-07T06:39:47 | How can Google beat Facebook with one checkbox? | http://www.nilkanth.com/archives/2007/09/07/how-can-google-beat-facebook-with-one-checkbox/ | 9 | 10 | [
51762,
51702,
51779
] | null | null | null | null | null | null | null | null | null | train |
|
51,567 | rainsill | 2007-09-07T07:08:25 | Do You Have The Mentality Of A Free Agent? | Do you think like you are the owner of the business? | http://fishtrain.com/2007/08/26/do-you-have-the-mentality-of-a-free-agent/ | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,578 | jamiequint | 2007-09-07T07:54:35 | Dangerous Ideas: Sorry Paul Graham, I Think it Does Matter Where You Went to College | null | http://calnewport.com/blog/?p=67 | 20 | 53 | [
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] | null | null | null | null | null | null | null | null | null | train |
51,585 | akkartik | 2007-09-07T08:28:51 | CoScripter - script web operations in english | null | http://services.alphaworks.ibm.com/coscripter/browse/about | 2 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,588 | gml | 2007-09-07T08:37:55 | Domain Specific Languages in Ruby: Building an Interpreter | null | http://www.5ess.net/wordpress/2007/09/06/domain-specific-languages-in-ruby-building-an-interpreter/ | 1 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,595 | staunch | 2007-09-07T08:58:01 | John Nack on Adobe: "Photoshop Express" RIA sneak-peeked today | null | http://blogs.adobe.com/jnack/2007/09/photoshop_expre.html | 3 | 0 | null | null | null | null | null | null | null | null | null | null | train |
51,597 | fauxto | 2007-09-07T09:06:15 | Adobe's online image editor previewed | http://www.techcrunch.com/2007/09/07/adobes-online-image-editor-previewed/ | 12 | 3 | [
51828,
51648
] | null | null | null | null | null | null | null | null | null | train |
|
51,604 | null | 2007-09-07T10:01:04 | null | null | null | null | null | null | [
"true"
] | null | null | null | null | null | null | null | null | train |
51,606 | solidcore | 2007-09-07T10:42:33 | Search thousands of hot teens | we've got thousands of hot teens for you to search, check them out :) | http://www.profilepic.com/search | 1 | -1 | null | null | true | null | null | null | null | null | null | null | train |
51,613 | tuukkah | 2007-09-07T11:16:35 | Seedcamp winners announced | http://www.techcrunch.com/2007/09/07/europes-seedcamp-winners-announced/ | 8 | 4 | [
51722,
51632,
51621
] | null | null | null | null | null | null | null | null | null | train |
|
51,614 | iotal | 2007-09-07T11:20:20 | App Platform for Future: BungeeLabs+Nirvanix+(webDB) | http://startupsquad.com/2007/09/06/app-platform-for-future-bungeelabsnirvanixwebdb/ | 4 | 0 | null | null | null | no_article | null | null | null | null | 2024-11-08T14:40:52 | null | train |
|
51,616 | iotal | 2007-09-07T11:20:33 | Feds OK Fee for Priority Web Traffic | http://www.washingtonpost.com/wp-dyn/content/article/2007/09/06/AR2007090601262.html | 12 | 12 | [
51726,
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51972,
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] | null | null | null | null | null | null | null | null | null | train |
|
51,617 | iotal | 2007-09-07T11:21:00 | Multiply, social networking for 30-somethings, raises $16.6M | http://venturebeat.com/2007/09/06/multiply-social-networking-for-30-somethings-raises-166-million/ | 1 | 1 | [
51743
] | null | null | null | null | null | null | null | null | null | train |
|
51,631 | Tichy | 2007-09-07T12:06:09 | Reminder: weekend of code starts tonight | Admittedly, I didn't pour much work into this, safe for starting a ning community (weekendofcode.ning.com). I was hoping for self-organisation, and it just seemed like a good idea at the time: work on a project with somebody over the weekend, to test the waters for co-founding a start-up. Just start a group on Ning for your project, or join an existing group, and start developing. | 1 | 3 | [
51680
] | null | null | invalid_url | null | null | null | null | 2024-11-08T16:37:59 | null | train |
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