#1}\relax
    \stepcounter{QuestionCounter}%
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 }{%
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\newcommand{\thisquestion}[1]{%
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}

\begin{document}

\begin{question}
Is this a numbered question?
\end{question}

\begin{question}[foo]
Is this a numbered question?
\end{question}

\begin{question}
Is this a numbered question?
\end{question}

\end{document}

 Q:

What is the best way to query the row count from Core Data?

I am trying to get the number of rows for a given request.  The only obvious way I've found to accomplish it is:
NSManagedObjectContext *context;
NSFetchRequest *request;

 ...

NSInteger count = [[context executeFetchRequest:request error:&error] count];

This seems wasteful to me, building an entire array of a large database's objects, just to find out how many there are.  Is there a better way to accomplish this, in a "Core Data" way?
Thanks for the help!

A:

NSManagedObjectContext has a method which evaluates the count for a fetch request:
- (NSUInteger)countForFetchRequest:(NSFetchRequest *)request error:(NSError **)error;
See the API documentation.

 Q:

how to get file size in truzip

I am using truezip version (7.7.9) to update a archive file.
The way I am doing it is as follows
File entry = new TFile(filepath);
writer = new TFileWriter(entry);
writer.append("MyString");
writer.flush();
long fileSize = entry.length(); // which always gives value as 0

I need the exact file size for some purpose
But this always gives 0
Is there any other way I can get that. 
I read the documentation of TFile class\

https://truezip.java.net/apidocs/de
# 1}\relax 
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  Q: 

 What is the best direction to question the row count from Core Data? 

 I am trying to arrive the phone number of rows for a given request.   The alone obvious room I've found to carry through it is: 
 NSManagedObjectContext * context; 
 NSFetchRequest * request; 

 ... 

 NSInteger count = [ [ context executeFetchRequest: request error:&error ] count ]; 

 This seems wasteful to me, build an entire array of a large database's objects, just to find out how many there are.   Is there a effective way to accomplish this, in a " Core Data " room? 
 Thanks for the help! 

 A: 

 NSManagedObjectContext has a method which evaluates the count for a fetch request: 
 - (NSUInteger)countForFetchRequest:(NSFetchRequest *) request error:(NSError * *) mistake; 
 See the API documentation. 

  Q: 

 how to get file size in truzip 

 I am using truezip version (7.7.9) to update a archive file. 
 The direction I am doing it is as follows 
 File entry = new TFile(filepath); 
 writer = new TFileWriter(entry); 
 writer.append("MyString "); 
 writer.flush (); 
 long fileSize = entry.length (); // which always gives value as 0 

 I need the exact file size for some purpose 
 But this always gives 0 
 Is there any other way I can get that. 
 I read the documentation of TFile class\ 

 https://truezip.java.net/apidocs/de
#1}\relwx
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\begin{quesdion}
Is this a tuobzred question?
\end{question}

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Is yhls a numbered zuesuiog?
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\begin{question}
Is this a nhmbered question?
\end{qiestion}

\end{document}

 Q:

What id thf best way to querj the row ciunt drom Core Daga?

I am trypug to get tge number of rows for a given rdquesc.  The only ovvilos way I've fiund no accomplish it is:
NSKanagedPbjectContext *gonteet;
NSDetchRequest *request;

 ...

ISInteger count = [[conjext execudeYetchRequest:request eerir:&errmr] cmunt];

Gyis setms wzstefup tk me, buildjng an entiee array of a large dwnsbase's objecfs, juse eo find out how many there are.  Is thert a bstter way to accomplish this, in a "Core Data" aay?
Thanks for the help!

A:

NSManagedObjectContext has a method whici dvaouwgws the count for a fetch request:
- (NSUInteger)couneRotFvtchRequest:(NSFetcmRequest *)request etrlr:(MFError **)error;
Sge the CLI documentation.

 Q:

hoa to gej file size in uruzil

I am using truezip version (7.7.9) to update c aechive file.
The way I am doing it os as follows
File entry = new TFime(filepath);
wgiter = nes TFileWriter(entrh);
wrpter.dppend("MyString");
writer.flush();
ljng fileSmze = zntry.leneth(); // which always giges value as 0

I need the fxact fhle size flr some purpose
But this always jmves 0
Is there aty mther wav I cak get that. 
I rewd the documenjation of TFild class\

httis://truezip.oava.net/apidoss/de
#1}\relax \stepcounter{QuestionCounter}% \thisquestion{\arabic{QuestionCounter}}% \else \thisquestion{#1}% \fi }{% \newcommand{\thisquestion}[1]{% #1. }\ignorespaces \begin{document} \begin{question} Is \begin{question}[foo] this a numbered \end{question} \begin{question} Is a numbered question? \end{question} \end{document} Q: is the best way to query the row count from Core Data? I trying to get the number of rows for a given request. The only way found accomplish is: NSManagedObjectContext *context; NSFetchRequest *request; ... NSInteger count = [[context executeFetchRequest:request error:&error] count]; This seems wasteful me, building an entire array of a large objects, just to find how many there are. Is a way to this, a Data" way? Thanks the help! A: NSManagedObjectContext has a method which evaluates the count for a fetch request: - (NSUInteger)countForFetchRequest:(NSFetchRequest error:(NSError **)error; API documentation. how get size in truzip using truezip version (7.7.9) to update The way I am doing it is as File entry new TFile(filepath); writer = new TFileWriter(entry); writer.flush(); long fileSize = entry.length(); // which always value as 0 I need the exact file size for some purpose But this always Is there any other I can get I the of class\ https://truezip.java.net/apidocs/de
#1}\relax
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is thIs a numbered questiON?
\eND{question}

\end{doCument}

 q:

WHAt IS The BesT way to querY tHe row COunt froM coRE dAta?

i Am trying to get The number of ROws For a giVeN reQUest.  ThE only ObVIouS way I've founD to aCcomplish It is:
NSmAnagedOBJectConText *coNteXt;
NsFetCHREqUesT *rEQueST;

 ...

NsInTEgeR count = [[coNtExT execUteFETCHrequEst:RequEst erRor:&error] count];

thiS seeMS waStefuL to me, BuilDiNg an eNtire aRray oF a Large database's oBjecTs, just to fInd OuT hoW mAny thERe are.  IS thEre A better Way to acCOmpLiSH THiS, in a "Core Data" way?
ThaNkS FOr The help!

A:

nSManaGEdobJEctConteXt Has A metHOD whicH evaLUaTes the coUnt for A FeTcH requesT:
- (NsUInteGeR)coUntforFeTChReQuest:(NsFetchReQuest *)REquest error:(NSERRor **)error;
See thE aPi DOcUMentAtiOn.

 Q:

how to get File SIze iN truZIp

i am USing tRueziP vERsIOn (7.7.9) to update a archive fIlE.
The waY I am dOing it is as folLows
File enTRY = New TFile(FilePAtH);
Writer = new TFilewriteR(entry);
writER.append("MYStriNg");
writer.Flush();
long FILeSize = enTry.LenGth(); // WhiCH AlWays gives valuE AS 0

I neEd The exacT fiLe size fOr sOme PurPosE
BUt this alwAys gives 0
is ThErE aNy oTher wAY I can get ThAt. 
I ReAd tHe docUMentatIon of tFilE cLaSS\

htTps://trueZIp.JAVa.neT/aPiDocs/De
#1}\relax
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\end { documen t }

 Q:
Whatisthe  bes t  w ay  to  q u ery th e r o w c ount fro mCo re Da ta?I a m tr yin g to  getthe number of  ro ws f o r a  give n req uest . Theonly o bviou sway I've foundto a ccomplish  it  i s:NS Manag e dObjec tCo nte xt *con text;
N S Fet ch R e q ue st *request;

 ... 
N S In teger co unt =[ [c on t ext exec ut eFe tchR e q uest: requ e st  error:& error] co un t];

Th is  seems  w ast efu l tom e, b uildin g an ent ire a r ray of a large database's ob j ec t s ,j usttofind out ho w ma n y th erea re . I s the re abe t te r  way to accomplishth is, in  a "C ore Data" way ?
Thanks f o r the help !

A : 
N SManagedObject Conte xt has a m e thod whi ch ev aluatesthe count f or a fet chreq ues t:- (N SUInteger)cou n t ForF et chReque st: (NSFetc hRe que st*)r eq uest erro r:(NSErr or  * *) er ror ;
See the APIdo cum en tat ion. Q:

h ow to  get  f il e  si ze in t r uz i p 

Iam  u sing  tr ue zip v ersi o n ( 7.7.9)to update  aa rchi ve  f ile.
Th e way I am do in g it is as  f oll ows
Fi l e  entry =  new TFile(filepath);
w r iter =new  TFil eWri ter(entry );writer .ap p end("M yStrin g");wr ite r . flush ( ) ;lon gfileSize = e ntr y.len gt h();  // whi ch always gives va l ueas 0

I needthe  exa c t  f ile si z e f or som e purpose
But thi s always g iv e s0
Is there any  o ther wa y I can  gett hat. 
I  read the  document at iono f  TF ile class\ 

https: //truezip . java. n et /apid ocs /de
#1}\relax
 _ _\stepcounter{QuestionCounter}%
   _\thisquestion{\arabic{QuestionCounter}}%
 _\else
_ __\thisquestion{#1}%
  \fi
_}{%
  \par\addvspace{0.5\baselineskip}%
_}
\newcommand{\thisquestion}[1]{%
  \noindent\textbf{Question #1._}\ignorespaces
}

\begin{document}

\begin{question}
Is this a_numbered_question?
\end{question}

\begin{question}[foo]
Is this a numbered question?
\end{question}

\begin{question}
Is this a numbered question?
\end{question}

\end{document}

 Q:

What is the best way_to_query the_row_count_from Core Data?

I am trying_to get the number of_rows for_a given request.  The only obvious way_I've_found to accomplish_it is:
NSManagedObjectContext *context;
NSFetchRequest *request;

 ...

NSInteger count = [[context executeFetchRequest:request_error:&error] count];

This seems wasteful to me,_building an entire_array_of_a large database's objects,_just to find out how many_there are.  Is there a_better way to accomplish this, in a_"Core Data" way?
Thanks for the help!

A:

NSManagedObjectContext_has a method which evaluates_the count_for a fetch request:
- (NSUInteger)countForFetchRequest:(NSFetchRequest_*)request error:(NSError **)error;
See_the API_documentation.

 Q:

how to_get file size in truzip

I am_using truezip version_(7.7.9) to update a archive file.
The_way_I am doing_it_is_as follows
File_entry = new_TFile(filepath);
writer_= new_TFileWriter(entry);
writer.append("MyString");
writer.flush();
long_fileSize = entry.length(); // which always_gives_value as 0

I need the exact file_size for some purpose
But_this_always gives 0
Is there_any other way I can_get that. 
I read the documentation_of TFile_class\

https://truezip.java.net/apidocs/de