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In Objective-C why should I check if self = [super init] is not nil?
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For example:
[[NSData alloc] initWithContentsOfFile:@"this/path/doesn't/exist/"];
[[NSImage alloc] initWithContentsOfFile:@"unsupportedFormat.sjt"];
[NSImage imageNamed:@"AnImageThatIsntInTheImageCache"];
... and so on. (Note: NSData might throw...
How to run a C# console application with the console hidden
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I was trying to hide my own console, not call something else and then hide it (like the accepted answer assumes) - so this was the best one for me. thanks!
– iamserious
Mar 15 '12 at 16:38
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How do you update Xcode on OSX to the latest version?
... Just want to also note that this will only show as an update if you installed your version directly from the App Store. However, if you installed it from elsewhere, you will need to re-download the entire new version of Xcode.
– CodeBiker
Aug 3 '13 at 20:39
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When would I use Task.Yield()?
... a lot but have never been using Task.Yield() and to be honest even with all the explanations I do not understand why I would need this method.
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How to programmatically close a JFrame
...ow closing event to the Window. The ExitAction from Closing An Application allows you to add this functionality to a menu item or any component that uses Actions easily.
frame.dispatchEvent(new WindowEvent(frame, WindowEvent.WINDOW_CLOSING));
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Nginx 403 error: directory index of [folder] is forbidden
I have 3 domain names and am trying to host all 3 sites on one server (a Digital Ocean droplet) using Nginx.
19 Answers
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How do I get the application exit code from a Windows command line?
... Found cases where %ERRORLEVEL% is 0 even though an error occurred. Happened when checking %ERRORLEVEL% in a cmd file. Trying start /wait didn't work. The only thing that worked is if errorlevel 1 (...)
– AlikElzin-kilaka
Apr 13 '15 at 12:57
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Login failed for user 'IIS APPPOOL\ASP.NET v4.0'
...Asp.Net, EF 4, MS SQL 2008 and IIS 7) and I need to migrate it to IIS 7 locally (at the moment works fine with CASSINI).
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App Inventor 2 与 Mixly（米思齐）MixIO 平台数据通信方案完整调研 - 创客...
App Inventor 2 与 Mixly（米思齐）MixIO 平台数据通信方案完整调研在少儿编程和创客教育领域，App Inventor 2 和 Mixly（米思齐）都是非常重要的图形化编程平台。很多老师和学习者都在问同一个问题：这两个平台之间能不能做数据通信...
javascript node.js next()
...low code, where a reference to the next function to execute is given to a callback for it to kick-off when it's done.
See, for example, the code samples here:
http://blog.mixu.net/2011/02/02/essential-node-js-patterns-and-snippets/
Let's look at the example you posted:
function loadUser(req, ...