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• Zero KB SQLite File created by Core Data on application start up

  - by Tots

  I'm developing an iPhone application using Core Data. I had everything working and had to make an adjustment to the database schema and change the relationships through the xcdatamodel file. I deleted the my project's sqlite file in Library/Application Support/iPhone Simulator/3.1.3//Documents. Build and run the application, it creates the sqlite file, but its empty with a file size of 0 KB. At a minimum the table information should be in there. There are no errors/warning in the console. Anyone have an idea what is wrong?

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• Connect to a MySQL database and count the number of rows.

  - by Hugo

  Hi there! I need to connect to a MySQL database and then show the number of rows. This is what I've got so far; <?php include "connect.php"; db_connect(); $result = mysql_query("SELECT * FROM hacker"); $num_rows = mysql_num_rows($result); echo $num_rows; ?> When I use that code I end up with this error; Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in C:\Documents and Settings\username\Desktop\xammp\htdocs\news2\results.php on line 10 Thanks in advance :D

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• Maven can't recognize the dependencies in both local and server

  - by Gary

  The dependencies already be available in both local and server, but maven build(clean, install) still failed and complain that can't find them. 1 Although the dependency can be found in server, but failed to build online Downloading: http://repo1.maven.org/maven2/org/codehaus/mojo/aspectj-maven-plugin/1.4/aspectj-maven-plugin-1.4.pom [WARNING] Unable to get resource 'org.codehaus.mojo:aspectj-maven-plugin:pom:1.4' from repository central (http://repo1.maven.org/maven2): (http://repo1.maven.org/maven2%29:) Authorization failed: Access denied to: h ttp://repo1.maven.org/maven2/org/codehaus/mojo/aspectj-maven-plugin/1.4/aspectj-maven-plugin-1.4.pom 2 I try to try offline, as the dependency is already in local, but failed [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Failed to resolve artifact. GroupId: org.codehaus.mojo ArtifactId: aspectj-maven-plugin Version: 1.4 Reason: System is offline. org.codehaus.mojo:aspectj-maven-plugin:pom:1.4 3 BTW, i have configured the relevant profile for the server

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• Implode error for PHP

  - by Pete Herbert Penito

  Hi Everyone! I have a form where I've got three checkboxes like this: <td>Wireless <input type="checkbox" name="services[]" value="wireless" /></td> </tr> <tr> <td>Cellular <input type="checkbox" name="services[]" value="cellular" /></td> </tr> <tr> <td>Security <input type="checkbox" name="services[]" value="Security" /></td> <input type="submit" name="submit"> and then I extract($_POST), and have this code $comServices = implode(",", $services); but I get an error: Warning: implode() [function.implode]: Invalid arguments passed in .. does anyone know why Im getting this error?

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• file_get_contents() returns "failed to open stream" when hitting HTTPS

  - by TMC

  file_get_contents() is returning "failed to open stream" when I call it on an HTTPS URL. Warning: file_get_contents(https://google.com) [function.file-get-contents]: failed to open stream: No error in E:\\htdocs\callback3.php on line 5 Same call will work with a non-SSL URL. At first, I thought it was a security issue with my webhoster, but I have verified with phpinfo() that allow url open is indeed allowed. I have also tried this code and verified it works: Anyone have any ideas why file_get_contents() is failing with an HTTPS URL? update: People correctly pointed out this was an HTTPS issue. My webhoster claims this should work, and has no idea how to resolve this. Anyone have specific directions I can give them for their IIS7 setup?

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• how do I set a delegate in a view that is not my main view

  - by orangecl4now

  I have a xib. the xib has a button that swaps another xib. the second xib has a uitextfield and a uilabel. how do I make the keyboard go away when I'm done typing? what do I need to wire or code? the second xib has it's own class (called CustomSign.m) Inside CustomSign.m, I've implemented the following method -(void)textFieldDidEndEditing:(UITextField *)textField { [customText resignFirstResponder]; signedLabel.text = customText.text; } - (void)awakeFromNib { //assume textField is an ivar that is connected to the textfield in IB [customText setDelegate:self]; } I get the following warning Class "CustomSign" does not implement the UITextFieldDelegate protocol

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• Having trouble with post-commit hook

  - by John Isaacks

  I am following this tutorial that is like the hello world for post-commit I am using unbuntu 10.04. I installed svnnotify and ran $ which svnnotify which output: /usr/bin/svnnotify so I changed the path in the turorial from /usr/local/bin/svnnotify to /usr/bin/svnnotify I also tried changing the line: #!/bin/sh to #!/bin/bash since bash is the login shell in ubuntu 10.04. I tried to run it the way the tutorial originally had it, with my changes, and combinations of the two. Everytime the commit is successful but I get Warning: post-commit hook failed (exit code 1) with no output. The original way had output not found I am very new to linux and shell scripting and have exhausted everything I can think of. What am I doing wrong?

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• CUDA & VS2010 problem

  - by Kristian D'Amato

  I have scoured the internets looking for an answer to this one, but couldn't find any. I've installed the CUDA 3.2 SDK (and, just now, CUDA 4.0 RC) and everything seems to work fine after long hours of fooling around with include directories, NSight, and all the rest. Well, except this one thing: it keeps highlighting the <<< >>> operator as a mistake. Only on VS2010--not on VS2008. On VS2010 I also get several warnings of the following sort: C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\include\xdebug(109): warning C4251: 'std::_String_val<_Ty,_Alloc>::_Alval' : class 'std::_DebugHeapAllocator<_Ty>' needs to have dll-interface to be used by clients of class 'std::_String_val<_Ty,_Alloc>' Anyone know how this can be fixed?

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• Template Parameter Initialization

  - by isurulucky

  Hi, I wrote some C++ code in which I used Templates. Since I used templates, I could not initialize a couple of template class variables. I got an warning message from valgrind saying Conditional jump or move depends on uninitialized value(s). So is there a way to get around this and/or initialize template variables?? I couldn't think of a way to do it because even if I initailize them as NULL, when I use string data type a run time failure occurres. Thank You!

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• mysql_connect()

  - by Jacksta

  I am trying to connect to mysql and am getting an error. I put my servers ip address in and used port 3306 whihch post should be used? <?php $connection = mysql_connect("serer.ip:port", "user", "pass") or die(mysql_error()); if ($connection) {$msg = "success";} ?> <html> <head> </head> <body> <? echo "$msg"; ?> </body> </html> Here is the error its producing Warning: mysql_connect() [function.mysql-connect]: Access denied for user 'admin'@'server1.myserver.com' (using password: YES) in /home/admin/domains/mydomain.com.au/public_html/db_connect.php on line 3 Access denied for user 'admin'@'server1.myserver.com' (using password: YES)

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• Prolog for beginners about logic and syntax

  - by lnotik

  Hello everybody. I have this question : I need to create a paradict "rightGuesses" which will get 3 arguments , each one of them is a list of letters : 1) The list of guessed letters 2) The word i have to guess 3) The letters that where guessed so far . for example : rightGuesses([n,o,p,q], [p,r,o,l,o,g], Ans). will give us Ans = [p, -, o, -, o, -]. i made: rightGuesses([],T2,[ANS]) rightGuesses([A|T1],T2,[ANS]):- (member(A,T2))=\=true , rightGuesses(T1,T2,[ _ |'-']). rightGuesses([A|T1],T2,[ANS]):- member(A,T2), rightGuesses(T1,T2,[ _ |A]). but i get : ERROR: c:/users/leonid/desktop/file3.pl:5:0: Syntax error: Operator expected Warning: c:/users/leonid/desktop/file3.pl:6: when i trying to compile it what is my problem , and is there is a better way to do it ? thanks in advance.

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• PHP 5.2.13 thowing errors on AIX

  - by Thumbeti

  Hi All, On AIX 5.3 (TL 5 to 11) in my application I have updated PHP version from 5.2.6 to 5.2.13. Since then, executing php.bin throwing the following errors: =================================================================== PHP Warning: PHP Startup: Unable to load dynamic library '/opt/pdag/lib/extensions/curl.so' - rtld: 0712-001 Symbol zend_wrong_param_count was referenced from module /opt/pdag/lib/extensions/curl.so(), but a runtime definition of the symbol was not found. rtld: 0712-001 Symbol _ecalloc was referenced from module /opt/pdag/lib/extensions/curl.so(), but a runtime definition of the symbol was not found. rtld: 0712-001 Symbol zend_llist_init was referenced from module /opt/pdag/lib/extensions/curl.so(), but a runtime definition of the symbol was not found. rtld: 0712-001 Symbol zend_register_resource was referenced from module /opt/pdag/lib/extensions/curl.so(), but a runtime definition of the symbol was not found. =================================================================== With PHP version 5.2.6, this issue is not there? Anything i am missing here? Thanks & Regards, Thumbeti

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• Visual studio deployment project error when writing to registry

  - by Rekreativc

  Hello I have a setup for an application that was recently converted to be a framework 4.0 project (don't know if it's relevant). The setup has to write to registry (Local Machine) and until now this has always worked perfectly, however now it fails to write to registry on a clean machine (running Windows 7, 64 bit). The setup does not fail, does not show a warning of any kind, however it does not write to the registry (I even set AlwaysCreate property to true on every key, just in case) which of course causes the application to terminate on startup. What could be the cause of this? I have never encountered such an error before. Edit: I have tried running the installer as administrator, didn't change anything.

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• Iterator blocks and inheritance.

  - by Dave Van den Eynde

  Given a base class with the following interface: public class Base { public virtual IEnumerable<string> GetListOfStuff() { yield return "First"; yield return "Second"; yield return "Third"; } } I want to make a derived class that overrides the method, and adds its own stuff, like so: public class Derived : Base { public override IEnumerable<string> GetListOfStuff() { foreach (string s in base.GetListOfStuff()) { yield return s; } yield return "Fourth"; yield return "Fifth"; } } However, I'm greeted with a warning that "access to a member through a base keyword from an iterator cannot be verified". What's the accepted solution to this problem then?

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• PHP form validation submit problem

  - by TaG

  Every time I try to submit the form and I have not entered nothing in the year field I get Incorrect year! how can I still submit the form without having to enter a year. In other words leaving the year field blank and not getting a warning? Here is the PHP code. if(preg_match('/^\d{4,}$/', $_POST['year'])) { $year = mysqli_real_escape_string($mysqli, $_POST['year']); } else { $year = NULL; } if($year == NULL) { echo '<p class="error">Incorrect year!</p>'; } else { //do something }

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• Why would LaTeX ignore the font size in the documentclass

  - by Rory

  I have a LaTeX file. I'm experimenting with trying to reduce the font size (this is related to my other question here http://stackoverflow.com/questions/2636647/latex-changing-the-font-size-for-a-document-but-in-the-preamble-not-the-docum ). The LaTeX file is generated from another programme. I have edited it to start with \documentclass[4pt,a4paper,english]{report} i.e. I am trying to make the text really small. However it doesn't work. I change that 4pt to anything and the font size is the same. When running pdflatex on it, I get this message printed out. LaTeX Warning: Unused global option(s): [4pt]. That might explain why the error message is What could be going on here? How do I make it use the font size in the documentclass definition?

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• Same-directory includes failing on a Fedora server with PHP.

  - by JimmySawczuk

  I have a couple files that look like this: index.php: <?php include('includes/header.php'); ... includes/header.php: <?php include('config.php'); ... The error I get is Warning: require(config.php) [function.require]: failed to open stream: No such file or directory in [dir]/includes/header.php on line 2 Fatal error: require() [function.require]: Failed opening required 'config.php' (include_path='.:/usr/share/pear:/usr/share/php') in [dir]/includes/header.php on line 2 I did some further debugging: when I add the call system('pwd'); to includes/header.php, it shows [dir], where it should say [dir]/includes. Adding the 'includes/' to the include path works, but isn't desirable because that would fail on the production server. The above code works on a production server, and worked fine on my development Fedora server, until I tried to change my development environment so that the Fedora server's document root is a mounted CIFS share. Any ideas? Thanks.

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• Problem with pattern matching in ocaml

  - by Antony

  I wrote the function used to decompose a Boolean function, the problem is that the compilation I get this : "Warning 5: this function application is partial, maybe some arguments are missing." How can I solve this problem? I've set wrong the patter matching or I can not run this operation with pattern matching The code is the following: let rec decomposition state_init state prec formula = match formula with And form -> (fun () -> let f1 = List.hd form in let f2 = And(List.tl form )in let new_state = Forms (state_init,f1) in decomposition state_init new_state state f1; decomposition state_init new_state state f2; Hashtbl.add graph new_state (("",false,state :: []) , []) ; let x = Hashtbl.find graph state in let succ = state :: snd x in let (desc,last,ptrs) = fst x in Hashtbl.replace graph state ( ("And-node",last,ptrs) , succ))

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• thumbs.db messing up my upload routine

  - by Scott B

  I'm getting the following error while uploading a zip archive. Warning: ZipArchive::extractTo(C:\xampplite\htdocs\testsite/wp-content/themes/mytheme//styles\mytheme/Thumbs.db) [ziparchive.extractto]: failed to open stream: Permission denied in C:\xampplite\htdocs\testsite\wp-content\themes\mythem\uploader.php on line 17 The thing I can't quite figure is that I don't see a thumbs.db file in either the zip archive or the destination folder that was created (the upload still processes, I just get these errors). The function is below, line 17 is commented... function openZip($file_to_open) { global $target; $zip = new ZipArchive(); $x = $zip->open($file_to_open); if($x === true) { $zip->extractTo($target); //this is line 17 $zip->close(); unlink($file_to_open); } else { die("There was a problem. Please try again!"); } }

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• php - track down premature headers leak

  - by user151841

  I'm using set_cookie() on a site. After adding some functionality, I'm getting Warning: Cannot modify header information - headers already sent by... error. The line number it references as to where the headers initiated from is the very line where set_cookie() is! And I checked, it's not being called twice. How can I track down these premature headers? I looked at the source code and didn't see any stray characters or anything before the error message starts ( I'm using xdebug, so the first thing is a , which I thought was me, but is actually the beginning of the xdebug message ). I've grepped my code for extra echo and so forth -- nothing. Can PHP tell me when and where the headers are starting? Or are they really starting on the set_cookie line, and if so, how have I gotten myself into this situation, and how do I get out?

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• GCC: visibility of symbols in standalone C++ applications

  - by Albert

  Hi, Because of a strange C++ warning about the visibility of some symbols and an interesting answer, linking to a paper which describes the different visibility types and cases (section 2.2.4 is about C++ classes), I started to wonder if it is needed for a standalone application to export symbols at all (except main - or is that needed?). Why exactly are they needed to be exported in standalone applications? Is "an exported symbol" an synomym for "visible symbol"? I.e. a hidden symbol is a symbol which is not exported? Do the object files already differ between visible symbols and hidden symbols? Or is this made at the linking step, so that only the visible symbols are exported? Does the visibility of symbols matter in case for debug information? Or is that completely independent, i.e. I would also get a nice backtrace if I have all symbols hidden? How is STABS/DWARF related to the visibility of symbols?

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• SSH issue when do the Git clone

  - by palani

  Hi i have my own ubuntu linux box .... in that i have /home/username/.ssh/id_rsa.pub .. i copied the public key and paste the key into Git Hub. when i try to clone the git repository it says the following error warning: Authentication failed. Disconnected; no more authentication methods available (No further authentication methods available.). I have no idea what is wrong with that.... i have putty tool which connect my server with doing authenetication. becuase i copied my public key to my server known host folder. Can any one please help on this .... its heart breaking here.......

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• Problem configuring application specific loggin glassfish v3

  - by Shane

  I am using java.util.logging in an EJB application running on glassfish v3. I can see the log messages in server.log but i don't seem to be able to configure the logging level in glassfish\domains\domain1\logging.properties. If I use: Logger logger = Logger.getLogger("com.foo"); To obtain the logger and log with: logger.info("message"); then I expect that if I set com.foo.level=WARNING in logging.properties then the message should not logged. Am I doing something wrong here?

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• C++ class initialisation containing class variable initialization

  - by Phil Hannent

  I noticed some code of a colleague today that initialized class variables in the initialization. However it was causing a warning, he says because of the order they are in. My question is why is it better to do variable initialization where it currently is and not within the curly brackets? DiagramScene::DiagramScene( int slideNo, QRectF screenRect, MainWindow* parent ) : QGraphicsScene( screenRect, parent ), myParent( parent ), slideUndoImageCurrentIndex(-1), nextGroupID(0), m_undoInProgress(false), m_deleteItemOnNextUndo(0) line(0), path(0) { /* Setup default brush for background */ scDetail->bgBrush.setStyle(Qt::SolidPattern); scDetail->bgBrush.setColor(Qt::white); setBackgroundBrush(scDetail->bgBrush); }

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• Using Array Variables For FILE_GET_CONTENTS

  - by Whoshooter

  I have a script all done now and everything has been debugged and it works, except for the last hurdle. This script grabs pertinent information on bank web sites, takes that data and uses it to populate a template and then it's all posted to Wordpress - BUT I get an error because the file_get_contents function fails taking each url from the Array. I've var_dumped the array and all the URLS are there in the [0] key, so this is what I tried. master data is the scraped URL source the script uses urlscrape_array is the collection of URLS $master_data = file_get_contents($urlscrape_array[0]); When I run the script using a URL like below it works beautifully every time; $master_data = file_get_contents("http://www.somesite/somepage.html"); This is the error I get when I try to use the first example' Warning: file_get_contents() expects parameter 1 to be string, array given in /home3/path/public_html/mysite.com/boise_project/scriptmainpage.php on line 13 As requested here is a sample of the var_dump on $urlscrape_array[0] array(504) { [0]=> string(56) "http://www.somepage.com/somepage-3178.html" [1]=> string(54) "http://www.somepage.com/somepage-16.html" [2]=> string(56) "http://www.somepage.com/somepage-3202.html" [3]=> string(56) "http://www.somepage.com/somepage-4324.html" [4]=> string(56) "http://www.somepage.com/somepage-4777.html" [5]=> string(56) "http://www.somepage.com/somepage-5140.html" [6]=> string(56) "http://www.somepage.com/somepage-5220.html" [7]=> string(56) "http://www.somepage.com/somepage-9205.html" [8]=> string(56) "http://www.somepage.com/somepage-3251.html" [9]=> string(56) "http://www.somepage.com/somepage-3323.html" [10]=> string(56) "http://www.somepage.com/some-page-3797.html" [11]=> string(56) "http://www.somepage.com/some-page-4145.html" [12]=> string(56) "http://www.somepage.com/some-page-3191.html" [13]=> string(55) "http://www.somepage.com/some-page-329.html" [14]=> string(56) etc.... Error as per the foreach statement provided by Uptown Warning: Invalid argument supplied for foreach() in /home3/bettyt45/public_html/bdbud.com/boise_project/boise-wordpress.php on line 12 NULL print_r resulst below; Array ( [0] => Array ( [0] => http://www.somesite.com/some-page-3178.html [1] => http://www.somesite.com/some-page-16.html [2] => http://www.somesite.com/some-page-3202.html [3] => http://www.somesite.com/some-page-4324.html [4] => http://www.somesite.com/some-page-4777.html [5] => http://www.somesite.com/some-page-5140.html [6] => http://www.somesite.com/some-page-5220.html [7] => http://www.somesite.com/some-page-9205.html [8] => http://www.somesite.com/some-page-3251.html [9] => http://www.somesite.com/some-page-3323.html [10] => http://www.somesite.com/some-page-3797.html [11] => http://www.somesite.com/some-page-4145.html [12] => http://www.somesite.com/some-page-3191.html [13] => http://www.somesite.com/some-page-329.html [14] => http://www.somesite.com/some-page-3341.html [15] => http://www.somesite.com/some-page-3758.html [16] => http://www.somesite.com/some-page-4180.html [17] => http://www.somesite.com/some-page-9014.html [18] => http://www.somesite.com/some-page-5987.html [19] => http://www.somesite.com/some-page-1542.html [20] => http://www.somesite.com/some-page-3004.html [21] => http://www.somesite.com/some-page-9034.html [22] => http://www.somesite.com/some-page-3385.html [23] => http://www.somesite.com/some-page-3435.html [24] => http://www.somesite.com/some-page-6389.html [25] => http://www.somesite.com/some-page-6992.html [26] => http://www.somesite.com/some-page-7051.html HERE IS THE CODE I USED TO CREATE THE ARRAY ABOVE; $urlscrape_data = file_get_contents('http://www.bdbud.com/boise_project/boise-urls.htm'); preg_match_all('~http\:\/\/www.creditunionsonline.com\/credit\-union\-\d{1,4}?\.html~', $urlscrape_data, $urlscrape_matches); $urlscrape_array = $urlscrape_matches;

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