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  • Kernel Errors in logwatch

    - by Vince Pettit
    We have a dedicated server running CentOS and Plesk. We've had the following show up on our logwatch and wondered if it is anything we should worry about? --------------------- Kernel Begin ------------------------ WARNING: Kernel Errors Present Northbridge Error, node 1K8 ECC ...: 1 Time(s) ---------------------- Kernel End ------------------------- We've contacted the support team that we rent our server from but they don't seem to want to help us out without us paying their support team a fixed charge and even then they can't guarantee they would be able to find a solution to any potential problems. Full log lines regarding Kernel error... Jun 16 19:45:25 server88-208-217-241 kernel: Northbridge Error, node 1<0>K8 ECC error. Jun 16 19:45:25 server88-208-217-241 kernel: EDAC amd64 MC1: CE ERROR_ADDRESS= 0x2a3d553e0 Jun 16 19:45:25 server88-208-217-241 kernel: EDAC MC1: CE page 0x2a3d55, offset 0x3e0, grain 0, syndrome 0x5041, row 3, channel 0, label "": amd64_edac

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  • Nginx Tries to download file when rewriting non-existent url

    - by Vince Kronlein
    All requests to a non-existent file should be re-written to index.php?name=$1 All other requests should be processed as normal. With this server block, the server is trying to download all non-existent urls: server { server_name www.domain.com; rewrite ^(.*) http://domain.com$1 permanent; } server { listen 80; server_name domain.com; client_max_body_size 500M; index index.php index.html index.htm; root /home/username/public_html; location ~ /\.ht { deny all; } location ~ \.php$ { try_files $uri = 404; fastcgi_split_path_info ^(.+\.php)(/.+)$; include fastcgi_params; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_pass 127.0.0.1:9002; } location ~* ^.+\.(ogg|ogv|svg|svgz|eot|otf|woff|mp4|ttf|rss|atom|jpg|jpeg|gif|png|ico|zip|tgz|gz|rar|bz2|doc|xls|exe|ppt|tar|mid|midi|wav|bmp|rtf)$ { access_log off; log_not_found off; expires max; } location /plg { } location / { if (!-f $request_filename){ rewrite ^(.*)$ /index.php?name=$1 break; } } } I've checked to see that my default_type = text/html instead of octet stream, not sure what the deal is.

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  • Require and Includes not Functioning Nginx Fpm/FastCGI

    - by Vince Kronlein
    I've split up my FPM pools so that php will run under each individual user and set the routing correctly in my vhost.conf files to pass the proper port number. But I must have something incorrect in my environment because on this new domain I set up, require, require_once, include, include_once do not function, or rather, they may not be getting passed up to the interpreter to be rendered as php. Since I already have a Wordpress install on this server that runs perfectly, I'm pretty sure the error is in my server block for nginx. server { server_name www.domain.com; rewrite ^(.*) http://domain.com$1 permanent; } server { listen 80; server_name domain.com; client_max_body_size 500M; index index.php index.html index.htm; root /home/username/public_html; location / { try_files $uri $uri/ index.php; } location ~ \.php$ { if (!-e $request_filename) { rewrite ^(.*)$ /index.php?name=$1 break; } fastcgi_pass 127.0.0.1:9002; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; include fastcgi_params; } location ~ /\.ht { deny all; } } The problem I'm finding I think is that there are dynamic calls to the doc root index file, while all calls to anything within a sub-folder should be routed as normal ie: NOT passed to index.php. I can't seem to find the right mix here. It should run like so: domain.com/cindy (file doesn't exist) --> index.php?name=$1 domain.com/admin/anyfile.php (files DO exist) --> admin/anyfile.php?$args

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  • Conditional Statement as Hierarchy jQuery

    - by Jacob Lowe
    Is there a way to make jQuery use objects in a conditional statement as an object in a hierarchy. For Example, I want to validate that something exist then tell it to do something just using the this selector. Like this if ($(".tnImg").length) { //i have to declare what object I am targeting here to get this to work $(this).animate({ opacity: 0.5, }, 200 ); } Is there a way to get jQuery to do this? I guess theres not a huge benefit but i still am curious

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  • Any software for pattern-matching and -rewriting source code?

    - by Steven A. Lowe
    I have some old software (in a language that's not dead but is dead to me ;-)) that implements a basic pattern-matching and -rewriting system for source code. I am considering resurrecting this code, translating it into a modern language, and open-sourcing the project as a refactoring power-tool. Before I go much further, I want to know if anything like this exists already (my google-fu is fanning air on this tonight). Here's how it works: the pattern-matching part matches source-code patterns spanning multiple lines of code using a template with binding variables, the pattern-rewriting part uses a template to rewrite the matched code, inserting the contents of the bound variables from the matching template matching and rewriting templates are associated (1:1) by a simple (unconditional) rewrite rule the software operates on the abstract syntax tree (AST) of the input application, and outputs a modified AST which can then be regenerated into new source code for example, suppose we find a bunch of while-loops that really should be for-loops. The following template will match the while-loop pattern: Template oldLoopPtrn int @cnt@ = 0; while (@cnt@ < @max@) { … @body@ ++@cnt@; } End_Template while the following template will specify the output rewrite pattern: Template newLoopPtrn for(int @cnt@ = 0; @cnt@ < @max@; @cnt@++) { @body@ } End_Template and a simple rule to associate them Rule oldLoopPtrn --> newLoopPtrn so code that looks like this int i=0; while(i<arrlen) { printf("element %d: %f\n",i,arr[i]); ++i; } gets automatically rewritten to look like this for(int i = 0; i < arrlen; i++) { printf("element %d: %f\n",i,arr[i]); } The closest thing I've seen like this is some of the code-refactoring tools, but they seem to be geared towards interactive rewriting of selected snippets, not wholesale automated changes. I believe that this kind of tool could supercharge refactoring, and would work on multiple languages (even HTML/CSS). I also believe that converting and polishing the code base would be a huge project that I simply cannot do alone in any reasonable amount of time. So, anything like this out there already? If not, any obvious features (besides rewrite-rule conditions) to consider? EDIT: The one feature of this system that I like very much is that the template patterns are fairly obvious and easy to read because they're written in the same language as the target source code, not in some esoteric mutated regex/BNF format.

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  • Why do people hate SQL cursors so much?

    - by Steven A. Lowe
    I can understand wanting to avoid having to use a cursor due to the overhead and inconvenience, but it looks like there's some serious cursor-phobia-mania going on where people are going to great lengths to avoid having to use one for example, one question asked how to do something obviously trivial with a cursor and the accepted answer proposed using a common table expression (CTE) recursive query with a recursive custom function, even though this limits the number of rows that could be processed to 32 (due to recursive call limit in sql server). This strikes me as a terrible solution for system longevity, not to mention a tremendous effort just to avoid using a simple cursor. what is the reason for this level of insane hatred? has some 'noted authority' issued a fatwa against cursors? does some unspeakable evil lurk in the heart of cursors that corrupts the morals of the children or something? wiki question, more interested in the answer than the rep thanks in advance! Related Info: http://stackoverflow.com/questions/37029/sql-server-fast-forward-cursors EDIT: let me be more precise: I understand that cursors should not be used instead of normal relational operations, that is a no-brainer. What I don't understand is people going waaaaay out of their way to avoid cursors like they have cooties or something, even when a cursor is a simpler and/or more efficient solution. It's the irrational hatred that baffles me, not the obvious technical efficiencies.

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  • What are the requirements for an application health monitoring system?

    - by Steven A. Lowe
    What, at a minimum, should an application health-monitoring system do for you (the developer) and/or your boss (the IT Manager) and/or the oeprations (on-call) staff? What else should it do above the minimum requirements? Is monitoring the 'infrastructure' applications (ms-exchange, apache, etc.) sufficient or do individual user applications, web sites, and databases also need to be monitored? if the latter, what do you need to know about them? ADDENDUM: thanks for the input, i was really looking for application-level monitoring not infrastructure monitoring, but it is good to know about both

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  • Looping through an array to remove a touched object (iPhone/Cocos2d)

    - by Michael Lowe
    I am using cocos2d to build a game. I have an array of CCSprites and I want to be able to touch them and delete the one that was touched. Right now I have this... -(void) spawn { mySprite = [CCSprite spriteWithFile:@"image.png"]; mySprite.position = ccp(positionX,positionY); [myArray addObject:mySprite]; [self addChild:mySprite]; } - (void) ccTouchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { UITouch* touch = [touches anyObject]; CGPoint location = [touch locationInView: [touch view]]; NSUInteger i, count = [myArray count]; for (i = 0; i < count; i++) { mySprite = (CCSprite *)[myArray objectAtIndex:i]; if (CGRectContainsPoint([mySprite boundingBox], location)) { [self removeChild:mySprite cleanup:YES]; } } I have never done this before. Does anyone have a solution? Thanks, Michael

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  • htaccess, remove text from url

    - by Keiron Lowe
    Here is the email from the client explaining what he is trying to do, we have spent hours trying to sort out this problem but cannot find a solution that works. I am trying to correct a problem with my blog and google “not found” URLs. I thought it might be very simple to correct (!ha!) This is my line of code; RewriteCond %{THE_REQUEST} ^www.uk-domestic-cleaning.com/wpblog/tag/?(.*)/HomeMaid%20Domestic%20Cleaning$ RewriteRule ^wpblog\/tag\/?(.*)\/HomeMaid%20Domestic%20Cleaning$ "http\:\/\/www\.uk\-domestic\-cleaning\.com\/wpblog\/tag\/$1" [R=301,L] What I am trying to do is any request to */wplog/tag/ “anything here”/HomeMaid Domestic Cleaning To strip the “HomeMaid Domestic Cleaning” bit off the end, but leave the rest of the request intact, which will then be a valid request. Any idea's guys?

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  • PHP Include Paths

    - by Keiron Lowe
    Hi, I'm new to PHP and I'm having a problem when trying to link my CSS files using include. Basically I need my files to link back to a certain directory no matter how far down the file is. I have tried using <?php include $_SERVER['DOCUMENT_ROOT'] . '/sysprogs/required/header.html'; ?> But header.html contains the links to my css files so the directory it ends up looking for the css files in is http://localhost/SysProgs/software/CSS/style.css instead of where I want it to go to which is http://localhost/SysProgs/required/CSS/style.css I hope that made sense and I hope you can help me

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  • Apples, oranges, and pointers to the most derived c++ class

    - by Matthew Lowe
    Suppose I have a bunch of fruit: class Fruit { ... }; class Apple : public Fruit { ... }; class Orange: public Fruit { ... }; And some polymorphic functions that operate on said fruit: void Eat(Fruit* f, Pesticide* p) { } void Eat(Apple* f, Pesticide* p) { ingest(f,p); } void Eat(Orange* f, Pesticide* p) { peel(f,p); ingest(f,p); } OK, wait. Stop right there. Note at this point that any sane person would make Eat() a virtual member function of the Fruit classes. But that's not an option, because I am not a sane person. Also, I don't want that Pesticide* in the header file for my fruit class. Sadly, what I want to be able to do next is exactly what member functions and dynamic binding allow: typedef list<Fruit*> Fruits; Fruits fs; ... for(Fruits::iterator i=fs.begin(), e=fs.end(); i!=e; ++i) Eat(*i); And obviously, the problem here is that the pointer we pass to Eat() will be a Fruit*, not an Apple* or an Orange*, therefore nothing will get eaten and we will all be very hungry. So what I really want to be able to do instead of this: Eat(*i); is this: Eat(MAGIC_CAST_TO_MOST_DERIVED_CLASS(*i)); But to my limited knowledge, such magic does not exist, except possibly in the form of a big nasty if-statement full of calls to dynamic_cast. So is there some run-time magic of which I am not aware? Or should I implement and maintain a big nasty if-statement full of dynamic_casts? Or should I suck it up, quit thinking about how I would implement this in Ruby, and allow a little Pesticide to make its way into my fruit header?

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  • Iframe Javascript call to Flex

    - by Vince Lowe
    I have a flex application with an iframe layered on top. I want to make a call from the iframe to flex with javascript. So far i have tried this: This is the Object containing the swf embed in the ROOT document <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" id="IPRS_Dispatcher" width="1400" height="1000" codebase="http://fpdownload.macromedia.com/get/flashplayer/current/swflash.cab"> <param name="movie" value="DispatcherMain.swf" /> <param name="quality" value="high" /> <!-- <param name="bgcolor" value="${bgcolor}" /> --> <param name="allowScriptAccess" value="sameDomain" /> <param name='flashVars' value='strLang=english&strIPRSSrvHost=&strGPSSrvHost=192.168.1.130&strGPSSrvSoapPort=8081&strGPSSrvFwdPort=26000&strLoginMode=simple&strSOSSrvHost=192.168.1.80&strSOSSrvSoapPort=8082&strSOSSrvFwdPort=26001&strSOSLoginMode=simple&strUserSIP=&strUserPswd=&nDelayForMapReadySecs=10&nGPSUpdatesRateSecs=120&nGPSSubscriptionsIntervalMinutes=10&nLat=35.0&nLng=32.5&nZoomLevel=5&strClientServiceVersion=2.1.36.19&nPathDotsSize=1&nPathWidth=5&bHideAnnounce=false&bHideEmergencyPan=true&strMapMarkerLabelMode=name&key=ABQIAAAAYbXZyR09wFj6QsiYucHpGxQEO34WZEWuIFq1A7yobGXPE-K5exQV9ZYR6NIkF8LCR8wsYvlhOIYsfA' /> <embed id="IPRS_Dispatcher2" src="DispatcherMain.swf" flashVars='strLang=english&strIPRSSrvHost=&strGPSSrvHost=192.168.1.130&strGPSSrvSoapPort=8081&strGPSSrvFwdPort=26000&strLoginMode=simple&strSOSSrvHost=192.168.1.80&strSOSSrvSoapPort=8082&strSOSSrvFwdPort=26001&strSOSLoginMode=simple&strUserSIP=&strUserPswd=&nDelayForMapReadySecs=10&nGPSUpdatesRateSecs=120&nGPSSubscriptionsIntervalMinutes=10&nLat=35.0&nLng=32.5&nZoomLevel=5&strClientServiceVersion=2.1.36.19&nPathDotsSize=1&nPathWidth=5&bHideAnnounce=false&bHideEmergencyPan=true&strMapMarkerLabelMode=name&key=ABQIAAAAYbXZyR09wFj6QsiYucHpGxQEO34WZEWuIFq1A7yobGXPE-K5exQV9ZYR6NIkF8LCR8wsYvlhOIYsfA' width="1400" height="1000" name="IPRS_Dispatcher" align="middle" play="true" loop="false" quality="high" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.adobe.com/go/getflashplayer"> <!-- bgcolor="${bgcolor}" --> </embed> </object> I have added addcallback for the function i want to expose ExternalInterface.addCallback("sendToFlash", callFromJavaScript); FYI public function callFromJavaScript(str):void { LogAddItem( 30, str); } In my IFRAME i have added the function function callToFlash(str) { var swf = parent.top.$("#IPRS_Dispatcher"); var bool = swf.sendToFlash(str); } Now getting error in chrome - Uncaught TypeError: Object [object Object] has no method 'sendToFlash' UPDATE 25/06/2012 - output from console.log(swf) [ <embed src=?"DispatcherMain.swf" width=?"100%" height=?"100%" align=?"middle" id=?"IPRS_Dispatcher" quality=?"high" name=?"IPRS_Dispatcher" wmode=?"opaque" allowfullscreen=?"true" allowscriptaccess=?"always" pluginspage=?"http:?/?/?www.adobe.com/?go/?getflashplayer" flashvars=?"strOEM=mt&strSplashImage=./?assets/?loadinglogo.jpg&strLang=english&strSelectableLangs=english,chinese, portuguese_brazil,german,french,spanish&strIPRSSrvHost=85.118.26.10&strGPSSrvHost=85.118.26.16&strGPSSrvSoapPort=8081&strGPSSrvFwdPort=26000&strLoginMode=simple&strUserSIP=&strUserPswd=&strSOSSrvHost=85.118.26.17&strSOSSrvSoapPort=8082&strSOSSrvFwdPort=26001&strClientServicePort=&strSOSLoginMode=simple&themeColor=a7c3e3&showRTTPriority=false&showGPSUpdateRate=true&nSamePosErrMeters=300&nDelayForMapReadySecs=10&nGPSUpdatesRateSecs=65535&nGPSSubscriptionsIntervalMinutes=10&nLat=48.311058&nLng=11.636753&nZoomLevel=13.0&strClientServiceVersion=2.1.36.04&bDispatcherEndsSessions=true&nSOSSubscriptionsIntervalMinutes=1&GPSKATime=20&SOSKATime=20&nPathDotsSize=2&nPathWidth=5&bHideAnnounce=false&bHideEmergencyPan=false&bHideDebugLog=false&showMutedColumn=false&strLogFilter=&strMapMarkerLabelMode=name&key=ABQIAAAAfJEcVYS6-jYp2UOUy8Wh5xSCeXAFBxztfWxjY5w1WzTnKjnSVRS7Uu5XoOIwTg2R_tq_c0QSCPxSHw" type=?"application/?x-shockwave-flash">? ]

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  • debugging c# silverlight projects from vb web application

    - by dave lowe
    Hi, I have a problem whereby I cannot debug a c# silverlight application project that is hosted from within a visual basic web application. I add breakpoints to the main App constructor and the symbols are loaded ok but my breakpoints are never hit. I have concluded that it is a vb/c# interop problem as to test i did the following. Created a new c# web application project Added a c# silverlight application Added a new vb web application project Added references to the silverlight project from both web apps set a breakpoint in App.xaml.cs constructor if i run the c# webapp the break points are hit whereas if i run the vb webapp they are not. has anyone come across this before or can anyone suggest a solution please? Many Thanks

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  • finding links that are hyper-links in jQuery

    - by Jacob Lowe
    Im trying to take a link either when clicked or hover over be able to grab the attribute href and tell if its a hyper-link or not. Also i want it to be able to tell me if its a hyper-link to my own site. Plus various other filters. The main purpose for this is so that when a internal link is clicked it will tell ajax to grab the content, alot of my links are generated (via wordpress)so I can't modify them too much. Another purpose for this is so i can also make all external links open on a new window. I have a solution that works on a simple test page but when i put into a working page it breaks. I know i am probably making this harder then it should be. Here is my code $(function(){ $('a').live('click', function(){ var x = $(this).attr('href'); $(this).parent('div').append('<div id="test">' + x +'</div>'); $('#test:contains("http")').css('color', 'red'); $('#test:contains("sitename")').css('color', 'black'); $('#test:contains("admin")').css('color', 'red'); if($('#test').css('color') == 'red'){ alert('external link'); $('#test').remove(); return true; }else{ alert('external link'); $('#test').remove(); return false; } }); }); thanks for you help

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  • Why doesn't C++ allow you to request a pointer to the most derived class?

    - by Matthew Lowe
    (This question should probably be answered with a reference to Stroustrup.) It seems extremely useful to be able to request a pointer to the most derived class, as in the following: class Base { ... }; class DerivedA { ... }; class DerivedB { ... }; class Processor { public: void Do(Base* b) {...} void Do(DerivedA* d) {...} void Do(DerivedB* d) {...} }; list<Base*> things; Processor p; for(list<Base*>::iterator i=things.begin(), e=things.end(); i!=e; ++i) { p.Do(CAST_TO_MOST_DERIVED_CLASS(*i)); } But this mechanism isn't provided in c++. Why?

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  • Exchange Web Service (EWS) call fails under ASP.NET but not a console application

    - by Vince Panuccio
    I'm getting an error when I attempt to connect to Exchange Web Services via ASP.NET. The following code works if I call it via a console application but the very same code fails when executed on a ASP.NET web forms page. Just as a side note, I am using my own credentials throughout this entire code sample. "When making a request as an account that does not have a mailbox, you must specify the mailbox primary SMTP address for any distinguished folder Ids." I thought I might be able to fix the issue by specifying an impersonated user. exchangeservice.ImpersonatedUserId = new ImpersonatedUserId(ConnectingIdType.SmtpAddress, "[email protected]"); But then I get a different error. "The account does not have permission to impersonate the requested user." The App Pool that the web application is running under is also my own account (same as the console application) so I have no idea what might be causing this issue. I am using .NET framework 3.5. Here is the code in full. var exchangeservice = new ExchangeService(ExchangeVersion.Exchange2010_SP1) { Timeout = 10000 }; var credentials = new System.Net.NetworkCredential("username", "pass", "domain"); exchangeservice.AutodiscoverUrl("[email protected]") FolderId rootFolderId = new FolderId(WellKnownFolderName.Inbox); var folderView = new FolderView(100) { Traversal = FolderTraversal.Shallow }; FindFoldersResults findFoldersResults = service.FindFolders(rootFolderId, folderView);

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  • UITableView's NSString memory leak on iphone when encoding with NSUTF8StringEncoding

    - by vince
    my UITableView have serious memory leak problem only when the NSString is NOT encoding with NSASCIIStringEncoding. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"cell"; UILabel *textLabel1; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; textLabel1 = [[UILabel alloc] initWithFrame:CGRectMake(105, 6, 192, 22)]; textLabel1.tag = 1; textLabel1.textColor = [UIColor whiteColor]; textLabel1.backgroundColor = [UIColor blackColor]; textLabel1.numberOfLines = 1; textLabel1.adjustsFontSizeToFitWidth = NO; [textLabel1 setFont:[UIFont boldSystemFontOfSize:19]]; [cell.contentView addSubview:textLabel1]; [textLabel1 release]; } else { textLabel1 = (UILabel *)[cell.contentView viewWithTag:1]; } NSDictionary *tmpDict = [listOfInfo objectForKey:[NSString stringWithFormat:@"%@",indexPath.row]]; textLabel1.text = [tmpDict objectForKey:@"name"]; return cell; } -(void) readDatabase { NSArray *documentPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDir = [documentPaths objectAtIndex:0]; databasePath = [documentsDir stringByAppendingPathComponent:[NSString stringWithFormat:@"%@",myDB]]; sqlite3 *database; if(sqlite3_open([databasePath UTF8String], &database) == SQLITE_OK) { const char sqlStatement = [[NSString stringWithFormat:@"select id,name from %@ order by orderid",myTable] UTF8String]; sqlite3_stmt *compiledStatement; if(sqlite3_prepare_v2(database, sqlStatement, -1, &compiledStatement, NULL) == SQLITE_OK) { while(sqlite3_step(compiledStatement) == SQLITE_ROW) { NSString *tmpid = [NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 0)]; NSString *tmpname = [NSString stringWithCString:(const char *)sqlite3_column_text(compiledStatement, 1) encoding:NSUTF8StringEncoding]; [listOfInfo setObject:[[NSMutableDictionary alloc] init] forKey:tmpid]; [[listOfInfo objectForKey:tmpid] setObject:[NSString stringWithFormat:@"%@", tmpname] forKey:@"name"]; } } sqlite3_finalize(compiledStatement); debugNSLog(@"sqlite closing"); } sqlite3_close(database); } when i change the line NSString *tmpname = [NSString stringWithCString:(const char *)sqlite3_column_text(compiledStatement, 1) encoding:NSUTF8StringEncoding]; to NSString *tmpname = [NSString stringWithCString:(const char *)sqlite3_column_text(compiledStatement, 1) encoding:NSASCIIStringEncoding]; the memory leak is gone i tried NSString stringWithUTF8String and it still leak. i've also tried: NSData *dtmpname = [NSData dataWithBytes:sqlite3_column_blob(compiledStatement, 1) length:sqlite3_column_bytes(compiledStatement, 1)]; NSString *tmpname = [[[NSString alloc] initWithData:dtmpname encoding:NSUTF8StringEncoding] autorelease]; and the problem remains, the leak occur when u start scrolling the tableview. i've actually tried other encoding and it seems that only NSASCIIStringEncoding works(no memory leak) any idea how to get rid of this problem?

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  • ConfigurationManager.OpenExeConfiguration() vs XML file

    - by Vince
    Hi, Could someone tell me the advantages to using the ConfigurationManager class which load's a config file for manipulation VS an XML file with a class you build to read it yourself? Recently, I built a class which inherits from ConfigurationSection in order to manipulate a custom section within app.config. This was quite a bit of work compared to just opening and reading an XML file. Some people chose the first approach, others chose the second. What's good practice?

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  • How to run a powershell script within a DOS batch file

    - by Don Vince
    How do I have a powershell script embedded within the same file as a DOS batch script? I know this kind of thing is possible in other scenarios: Embedding SQL in a DOS batch script using sqlcmd and a clever arrangements of goto's and comments at the beginning of the file In a *nix environment having a the name of the program you wish to run the script with on the first line of the script commented out e.g. #!/usr/local/bin/python There may not be a way to do this - in which case I will have to call the separate powershell script from the launching DOS script. One possible solution I've considered is to echo out the powershell script, and then run it. A good reason to not do this is that part of the reason to attempt this is to be using the advantages of the powershell environment without the pain of, for example, DOS escape characters I have some unusual constraints and would like to find an elegant solution. I suspect this question may be baiting responses of the variety: "why don't you try and solve this different problem instead." Suffice to say these are my constraints, sorry about that. Any ideas? Is there a suitable combination of clever comments and escape characters that will enable me to achieve this? Some thoughts on how to achieve this: A carat ^ at the end of a line in DOS is a continuation - like an underscore in VB An ampersand & in DOS typically is used to separate commands echo Hello & echo World results in 2 echos on separate lines %0 will give you the script that's currently running So something like this (if I could make it work) would be good: # & call powershell -psconsolefile %0 # & goto :EOF /* From here on in we're running nice juicy powershell code */ Write-Output "Hello World" Except... It doesn't work... because the extension of the file isn't as per powershell's liking: Windows PowerShell console file "insideout.bat" extension is not psc1. Windows PowerShell console file extension must be psc1. DOS isn't really altogether happy with the situation either - although it does stumble on '#' is not recognized as an internal or external command, operable program or batch file.

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  • Quartz and UIImageView

    - by Vince Grassia
    I'm working on an application for iPhone that lets the user draw on a UIImageView. Everything is working fine except when I move a UITabBar into the view, the part the user drew on is showing up on the tab bar.

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  • Cannot Install JDK

    - by Vince
    For the life of me, I can't install the JDK on Windows Vista. I keep getting the error, "This Software Has Already Been Installed on Your Computer. Would you like to reinstall it?" Problem is, it's evidently not on my computer, since I can't a) run Eclipse - I get "Could Not Find Java SE Runtime Environment" or b) Find any reference to Java from the command line when typing java -version - I get "Error opening registry key 'Registry/JavaSoft/Java Runtime Environment." Any ideas?

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  • sys.stdout not reassigning to sys.__stdout__

    - by Vince
    I'm pretty new to Python so I am still just learning the language. One of the things I came across was reassigning sys.stdout to change the default output of print. So I wrote this as a test: import sys sys.stdout = open('log.txt','a') print('hey') sys.stdout.close() sys.stdout = sys.__stdout__ print('hi') Now the string 'hi' is not written to the file but it does not show in the default output either. When I assign some other variable to sys.stdout in the beginning and change it back it works, but I'm just wondering why its not changing back the first time.

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  • MSI Install Folder Composed with Value from Radio Dialog

    - by Don Vince
    I'm using .NET2, I have an installer project. In the User Interface, I've created a RadioButtons (3 Buttons) dialog box. I've placed it before the Installation Folder Dialog. I wish to incorporate the value selected in the RadioButtons dialog as part of the Installation Folder. To do this I've placed the name of the variable amongst the path where I wish to use it in the DefaultLocation: [ProgramFilesFolder][Manufacturer]\[ProductName]\[BUTTON3] The effect of this is that the default value for the variable, BUTTON3 in the example above, is resolved as part of the folder, not the selected value. Anybody know how to make this variable use delayed expansion in some way to get the selected value?

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