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• How to link Cocoa static library to C command line target?

  - by Devara Gudda

  I have static library target, which uses Foundation classes(NSArray,etc) . I want to use this static library in Command line tool target. The command line tool contains only C files. From command line tool I want to call a method exported in static library. So I have modified header search path and linked the static library. When I compile the command line tool it is following linker errors. Undefined symbols: "_OBJC_CLASS_$_NSMutableArray", referenced from: "_objc_msgSend", referenced from: What is the method to link a static library which uses Foundation classes from a command line tool which contains C files? Regards Devara Gudda

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• RewriteRule being greedy

  - by lardlad

  I have been looking for an answer for a few hours now, so sorry if this was asked a ton of times, I missed it. I basically want to make a rewrite to ignore the first directory. That first dir in the path will be different so I thought I could use a regex. But my regex is matching all the way to the file name: RewriteRule ^([a-z]+)?/(.+)$ $2 [L] this works if I am one level deep: http://test.domain.com/one/index.php I get the actual index page of the root. Which is what I want. but if I were to go deeper: http://test.domain.com/one/two/index.php I get a message saying /index.php was not found. So it seems my regex is not stopping after the last [a-z]. I appreciate any help. This is Apache2 if that matters at all.

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• SQL statement HAVING MAX(some+thing)=some+thing

  - by Andreas

  I'm having trouble with Microsoft Access 2003, it's complaining about this statement: select cardnr from change where year(date)<2009 group by cardnr having max(time+date) = (time+date) and cardto='VIP' What I want to do is, for every distinct cardnr in the table change, to find the row with the latest (time+date) that is before year 2009, and then just select the rows with cardto='VIP'. This validator says it's OK, Access says it's not OK. This is the message I get: "you tried to execute a query that does not include the specified expression 'max(time+date)=time+date and cardto='VIP' and cardnr=' as part of an aggregate function." Could someone please explain what I'm doing wrong and the right way to do it? Thanks

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• GKSession sendDataToAllPeers including sendee?

  - by Typeoneerror

  I've got a number of devices connected over wifi using GameKit. I have a simple UIAlertView popping up when peers receive data. All but the sendee show this alert view when data is sent, so I'm wondering if that's a bug in my app or if that's expected behavior. Should call a method manually at the same on the sendee device? For example, if I wanted to send a "GameStart" packet to the 4 phones, the peers would call startGame: in the receiveData:fromPeer:inSession:context: method when it receives that packet and the sendee would just sendData and call startGame: on itself. Does that sound right or is there a way to include the sendee in the sendData list so that it responds exactly the same as all connected peers?

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• Problem getting CodeIgniter working with WAMP

  - by musoNic80

  I've been developing a project based on CodeIgniter on my MacBook Pro. For reasons I don't need to go into I've now had to move my work onto a PC running Windows XP. I've installed WAMP and brought my existing project into the www folder. Unfortunately, when I try and access the project via localhost it throws up include errors. It seems that for some reason the constants APPPATH and BASEPATH seem to be incorrect. I've checked the index.php file and it all seems ok. I've also downloaded a fresh version of CodeIgniter and placed that in my www folder. I can access the welcome message without any problems. Any ideas?

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• How to parse a tar file in C++

  - by Brendan Long

  What I want to do is download a .tar file with multiple directories with 2 files each. The problem is I can't find a way to read the tar file without actually extracting the files (using tar). The perfect solution would be something like: #include <easytar> Tarfile tar("somefile.tar"); std::string currentFile, currentFileName; for(int i=0; i<tar.size(); i++){ file = tar.getFileText(i); currentFileName = tar.getFileName(i); // do stuff with it } I'm probably going to have to write this myself, but any ideas would be appreciated..

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• Const parameter at constructor causes stackoverflow

  - by Luca

  I've found this strange behavior with VS2005 C++ compiler. Here is the situation: I cannot publish the code, but situation is very simple. Here is initial code: it work perfectly class Foo { public: Foo(Bar &bar) { ... } } The constructor implementation stores a reference, setup some members... indeed nothing special. If I change the code in the following way: class Foo { public: Foo(const Bar &bar) { ... } } I've added a const qualifier to the only constructor routine parameter. It compiles correctly, but the compiler outputs a warning saying that the routine Foo::Foo will cause a stackoverflow (even if the execution path doesn't construct any object Foo); effectively this happens. So, why the code without the const parameter works perfectly, while the one with the const qualifier causes a stackoverflow? What can cause this strange behavior?

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• How to show / debug PEAR::DB errors in webpage?

  - by Markus Ossi

  I am connecting to MySQL database on my webpage and have this copy-pasted code for errors: if(DB::isError($db)) die($db->getMessage()); I have the connection code in an outside file called connection.inc that I include at the beginning of my page before the DOCTYPE and html tags. For debugging purposes, how can I print the database errors on my webpage? I thought I could do something like this: echo 'Could not connect to database. The error was:' . $db->getMessage(); but this returns: Fatal error: Call to undefined method DB_mysql::getMessage()

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• How I can connect to Oracle from Perl?

  - by aartist

  We have Oracle Server " Oracle Version: 10.2.0.4.0 - 64bit". I like to connect to this server with Perl from my RHEL machine. I am able to connect via sqlplus successfully. I can use 32-bit or 64-bit Perl. I have few questions. Which files I should download from Oracle.com and where should I install them? What are the environment settings or path that I should set? What are the configuration changes or Makefile arguments changes I should make to install DBD::Oracle module properly? Thanks.

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• C# How to download files from FTP Server

  - by user3696888

  I'm trying to download a file (all kinds of files, exe dll txt etc.). And when I try to run it an error comes up on: using (FileStream ws = new FileStream(destination, FileMode.Create)) This is the error message: Access to the path 'C:\Riot Games\League of Legends\RADS\solutions \lol_game_client_sln\releases\0.0.1.41\deploy'(which is my destination, where I want to save it) is denied. Here is my code void download(string url, string destination) { FtpWebRequest request = (FtpWebRequest)WebRequest.Create(url); request.Method = WebRequestMethods.Ftp.DownloadFile; request.Credentials = new NetworkCredential("user", "password"); request.UseBinary = true; using (FtpWebResponse response = (FtpWebResponse)request.GetResponse()) { using (Stream rs = response.GetResponseStream()) { using (FileStream ws = new FileStream(destination, FileMode.Create)) { byte[] buffer = new byte[2048]; int bytesRead = rs.Read(buffer, 0, buffer.Length); while (bytesRead > 0) { ws.Write(buffer, 0, bytesRead); bytesRead = rs.Read(buffer, 0, buffer.Length); } } } }

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• 'SHA1' is deprecated: first deprecated in OS X 10.7?

  - by sukhvir

  So I was trying to compile a code which has a SHA1 function .. I included following header: #include <openssl/sha.h> And I got the following error while compiling: test.c:9:5: error: 'SHA1' is deprecated: first deprecated in OS X 10.7 [-Werror,-Wdeprecated-declarations] SHA1(msg, strlen(msg), hs); ^ But man pages still have the descriptions for that function. Can anyone suggest any other header for a similar function ( MD5 or SHA1 )? PS - also do I need to link any libraries while compiling using gcc?

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• Excel XML Newline in Cell

  - by spasarto

  I am using LINQ to XML to create an Excel XML file. I want to include newlines within the cells. Excel uses the &#10; literal to represent a new line. If I try to add this using an XText: XText newlineElement = new XText( "Foo&#10;Bar" ); I get: Foo&amp;#10;Bar Which shows up in Excel as: Foo&#10;Bar Is there a way to write &#10 to the XML file without doing a String.Replace( "&amp;#10;", "&#10;" ) over the resulting file text?

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• Can I redefine an XML element definition?

  - by joe

  For example, I would like to include <feetFromWater> in my <house> element. But here is the catch... I would like to keep the element name <house> and I do not want to modify the original definition. FILE: baseProperty.mod <!ELEMENT house (%size;%stories;)> <!ATTLIST house %univ-atts; outputclass CDATA #IMPLIED > FILE: beachHouse.mod (This file references baseProperty.mod) <!ELEMENT beachHouse (%size;%stories;%feetFromWater)> <!ATTLIST beachHouse %univ-atts; outputclass CDATA #IMPLIED > Is there a way to do the following without renaming from <house> to <beachHouse>?

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• How do you set page level, page-SPECIFIC javascript events using a ContentPlaceHolder?

  - by donde

  I previously asked how to include Javascript in my page when I split the page into a MasterPage and ContentPlaceHolder (.NET 2.0 app) The issue was I only wanted the javascript functions on THAT page so I couldn't just put them on the masterpage. Based on the answers, I will inlcude common fucntions through MasterPage and can put the page-specific function right on the content page. However, 1 question remains: Events. I have 2 Javascript functions that I wanted to load when the page loads ala the HTML below. How do you load javascript page events on the specific content page? Or in the case below, the OnKeyPress event? <body onkeypress="javascript:keypressed();" onload="javascript:setDivVisibility();">

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• ASP Classic Named Parameter in Paramaterized Query: Must declare the scalar variable

  - by My Alter Ego

  I'm trying to write a parameterized query in ASP Classic, and it's starting to feel like i'm beating my head against a wall. I'm getting the following error: Must declare the scalar variable "@something". I would swear that is what the hello line does, but maybe i'm missing something... <% OPTION EXPLICIT %> <!-- #include file="../common/adovbs.inc" --> <% Response.Buffer=false dim conn,connectionString,cmd,sql,rs,parm connectionString = "Provider=SQLOLEDB.1;Integrated Security=SSPI;Data Source=.\sqlexpress;Initial Catalog=stuff" set conn = server.CreateObject("adodb.connection") conn.Open(connectionString) set cmd = server.CreateObject("adodb.command") set cmd.ActiveConnection = conn cmd.CommandType = adCmdText cmd.CommandText = "select @something" cmd.NamedParameters = true cmd.Prepared = true set parm = cmd.CreateParameter("@something",advarchar,adParamInput,255,"Hello") call cmd.Parameters.append(parm) set rs = cmd.Execute if not rs.eof then Response.Write rs(0) end if %>

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• PHP:Wrong Login info does not redirect to the specific page

  - by sdr

  <?php include 'lib/db_conn.php'; $uid=$_REQUEST['uid']; $pass=$_REQUEST['pass']; if(($uid==NULL && $pass==NULL) ||($uid==NULL) ||($pass==NULL)) { header("location:index.php?msg=Fields can't be left blank.."); } $pass=md5($pass); $sql1="SELECT * FROM `tb_user` WHERE `email`='$uid' AND `pass`='$pass'"; $rs1=mysql_query($sql1) or die (mysql_error()); $row1=mysql_fetch_array($rs1) or die (mysql_error()); $email=$row1['email']; if($uid==$email) { session_start(); $_SESSION['id']=$row1['id']; header("location:home.php"); } else { header("location:index.php?msg=Wrong Credentials.."); } ?>

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• standard debugging way for javascript/jquery

  - by ZX12R

  This is my usual way to debug javascript. Include alert(0); to break the flow and find out what is happening. sometimes when i need multiple check points i do alert('the flow is now in function 1'); alert('the flow is now in function 2'); or sometimes just alert('success'); i would like to know if there is any standard way for debugging adopted as i am finding my current method very intrusive. thanks in advance..:)

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• Question about variable definitions in functions.

  - by Kaan Tekelioglu

  Hi. #include <stdio.h> main() { int a; for(a=1; a<=4 && printf("%d ",a); a++) { int a; static int b=a; printf("%d ",(a++)-b); } getchar(); getchar(); } In this code, the printout is 1 0 2 1 3 2 4 3. I understand why the int a; part works differently then the int a which was defined outside the for function, and why static int b; is only defined once with the primary value of a ; but why does the (a++) part in printf affect proceeding values of a? Don't we redefine int a; each time the for function runs? Thanks in advance.

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• Visual C++ 2008 doesn't recognize Windows declared types

  - by David Thornley

  I have a program that doesn't seem to recognize declared types in the latest U3D software. There's a line typedef BOOL (WINAPI* GMI)(HMON, LPMONITORINFOEX); which gets the error: Error 1 error C2061: syntax error : identifier 'LPMONITORINFOEX' c:\Projects\U3D\Source\RTL\Platform\Common\Win32\IFXOSRender.cpp 28 and a line MONITORINFOEX miMon; which gets Error 5 error C2065: 'miMon' : undeclared identifier c:\Projects\U3D\Source\RTL\Platform\Common\Win32\IFXOSRender.cpp 49 Error 3 error C2065: 'MONITORINFOEX' : undeclared identifier c:\Projects\U3D\Source\RTL\Platform\Common\Win32\IFXOSRender.cpp 49 The program's first non-comment statement is #include <windows.h>, which includes winuser.h, which defines these identifiers. In Visual Studio, I can right-click on them and go to the definition (a typedef) and from the typedef to the struct. WINAPI is defined in WinDef.h, so that seems to be working. There are no redefinitions of LPMONITORINFOEX or MONITORINFOEX in any other file. So, how can this be happening, and what can I do about it?

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• How can I create a custom cleanup mode for git?

  - by Danny

  Git's default cleanup of strip removes all lines starting with a # character. Unfortunately, the Trac engine's wiki formatter uses hashes in the beginning of a code block to denote the syntax type. Additionally any code added verbatim might include hashes as they are a common comment prefix; Perl comes to mind. In the following example the comments all get destroyed by git's cleanup mode. Example: {{{ #!/usr/bin/perl use strict; # say hi to the user. print "hello world\n"; }}} I'd like to use a custom filter that removes all lines beginning with a hash from the bottom of the file upwards. Leaving those lines that being with a hash that are embedded in the commit message I wrote alone. Where or how can I specify this in git? Note, creating a sed or perl script to perform the operation is not a problem, just knowing where to hook it into git is the question.

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• Platform Framework and Middle-ware

  - by Walidix

  I really want to fix the meanings of this terms.This is what I know about them: Platform: is an environment that allows an application to run and it is usually composite by hardware and software e.g. your machine with your OS installed on it. However some software stack are also called as platform like Java Platform. Framework: is design-oriented. That is, it defines a skeleton of an application type. Also it saves time by offering, through an API, the common functionalities that a kind of applications must implement. Moreover a Framework include a software components that manage the application life-cycle. Middle-ware: is a software that offers services to an application in order to let it inter-operates with other applications or supports different platforms. Middle-ware can be a part of a framework. Is there something wrong or missing ?

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• How to concatenate multiple lines of log file into single variable in batch file?

  - by psych

  I have a log file containing a stack trace split over a number of lines. I need to read this file into a batch file and remove all of the lines breaks. As a first step, I tried this: if exist "%log_dir%\Log.log" ( for /F "tokens=*" %%a in ("%log_dir%\Log.log") do @echo %%a ) My expectation was that this would echo out each line of the log file. I was then planning to concatenate these lines together and set that value in a variable. However, this code doesn't do what I would expect. I have tried changing the value of the options for delims and tokens, but the only output I can get is the absolute path to the log file and nothing from the contents of this file. How can I set a variable to be equal to the lines of text in a file with the line breaks removed?

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• Django: How do I get logging working?

  - by swisstony

  I've added the following to my settings.py file: import logging ... logging.basicConfig(level=logging.DEBUG, format='%(asctime)s %(levelname)s %(message)s', filename=os.path.join(rootdir, 'django.log'), filemode='a+') And in views.py, I've added: import logging log = logging.getLogger(__name__) ... log.info("testing 123!") Unfortunately, no log file is being created. Any ideas what I am doing wrong? And also is their a better method I should be using for logging? I am doing this on Webfaction.

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• PHP exec() not executing batch files

  - by Andreas Bonini

  I tried googling for this issue and found many people with the same problem but no solution. $result = exec("C:\\Ruby191\\bin\\lessc.bat less\\$file", $output); Here result is an empty string and output an empty array. Same thing with: $result = exec("cmd /c C:\\Ruby191\\bin\\lessc.bat less\\$file", $output); I am sure the path is correct; I am sure exec() is enabled. I tried exec, shell_exec, system and none work. lessc is less CSS.

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• Storing rich text documents

  - by David Veeneman

  This is a follow-up to another question I asked earlier today. I am creating a desktop app that stores rich text documents created in WPF (in a RichTextBox control). The app uses SQL Compact, and up until now, I had planned to store each document in a binary column in the database. I am rethinking that approach. Would it be better practice to store each rich text document in the file system, rather than saving it to the database? I figure I could put the documents in the same folder with the database, then store a relative path to each document in its database record, along with other information about the document (tags and so on). I'd like to know some pros and cons of that approach, along with ideas of what is generally considered best practice for this sort of thing. Thanks for your help.

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