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Keyboard shortcut to comment lines in Sublime Text 3

... I fixed this by going System Preferences, Keyboard, then Shortcuts. Under App Shortcuts, disable Show Help menu which was bound to CMD+SHIFT+7. My keyboard layout is Norwegian, with English as the OS language.
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How do I send a POST request as a JSON?

...est('http://example.com/api/posts/create') req.add_header('Content-Type', 'application/json') response = urllib2.urlopen(req, json.dumps(data)) Python 3.x https://stackoverflow.com/a/26876308/496445 If you don't specify the header, it will be the default application/x-www-form-urlencoded type...
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Android; Check if file exists without creating a new one

... It worked for me: File file = new File(getApplicationContext().getFilesDir(),"whatever.txt"); if(file.exists()){ //Do something } else{ //Nothing } share ...
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The model backing the context has changed since the database was created

... Ps, this goes in Global.asax Application_Start() – BritishDeveloper Feb 23 '13 at 0:08 48 ...
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An existing connection was forcibly closed by the remote host

I am working with a commercial application which is throwing a SocketException with the message, 11 Answers ...
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Converting VS2012 Solution to VS2010

...hange the TargetFrameworkVersion down to 4.0 (from 4.5). VS2010 will then happily load the "edited" solution and projects. You'll also have to edit an app.config files that have references to .NET 4.5 in a similar way to allow them to run on a .NET 4.0 environment. ...
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How does Rails keep track of which migrations have run for a database?

...pecially useful when you are using a mix of a mountable engine and a dummy app – Donato May 7 '15 at 20:38 add a comment  |  ...
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is_null($x) vs $x === null in PHP [duplicate]

...s. It doesn't matter. It will never matter. Nobody trying to improve their application's performance has ever declared "curses, if only I could shave half a microsecond off this null check!", and nobody ever will. – Mark Amery Jun 20 '15 at 23:17 ...
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How do you get the current project directory from C# code when creating a custom MSBuild task?

... probably the most suitable directory path for various kinds of projects. AppDomain.CurrentDomain.BaseDirectory This is the MSDN definition. Gets the base directory that the assembly resolver uses to probe for assemblies. ...
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How to tell if UIViewController's view is visible

I have a tab bar application, with many views. Is there a way to know if a particular UIViewController is currently visible from within the UIViewController ? (looking for a property) ...