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Android SDK manager won't open

... Can you be more specific ? I don't know where is my java\bin, is that C:\Program Files\Java\jdk1.7.0_11\bin ? What "before the windows\system32 directory" means? And what is the point of running "where java" in CMD ? – Hải Phong ...
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When should iteritems() be used instead of items()?

....items() returned a list of (key, value) pairs. In Python 3.x, .items() is now an itemview object, which behaves different - so it has to be iterated over, or materialised... So, list(dict.items()) is required for what was dict.items() in Python 2.x. Python 2.7 also has a bit of a back-port for key...
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Do I need a Global.asax.cs file at all if I'm using an OWIN Startup.cs class and move all configurat

... Project -> Web -> ASP.NET Web Application (targeting .NET 4.6) 3.1 Now In the ASP.NET 4.5 templates, choose Empty as the template 3.2 This creates a blank solution with two nuget packages: Microsoft.CodeDom.Providers.DotNetCompilerPlatform v 1.0.0 Microsoft.Net.Compilers v 1.0.0 Install ...
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What are sessions? How do they work?

... to store that data server side, give it an "id", and let the client only know (and pass back at every http request) that id. There you go, sessions implemented. Or you can use the client as a convenient remote storage, but you would encrypt the data and keep the secret server-side. Of course there...
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Twitter Bootstrap - add top space between rows

...e a couple examples. a.) overwriting - if you overwrite the .row class you now need to go through your project and add an additional class to rows that shouldn't receive the margin b.) editing native code - you inherit a project at work and you want to move up to bootstrap4; OOPS! Nothing looks righ...
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What are -moz- and -webkit-? [duplicate]

...o explicitly looking to turn on new features. Incidentally, so far as you know, is it a single flag to to turn on all experimental features, or a checklist to turn on individual features one-by-one? – David says reinstate Monica Aug 6 '13 at 14:47 ...
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Is there a “null coalescing” operator in JavaScript?

... Update JavaScript now supports the nullish coalescing operator (??). It returns its right-hand-side operand when its left-hand-side operand is null or undefined, and otherwise returns its left-hand-side operand. Please check compatibility be...
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glVertexAttribPointer clarification

...fore you render, you need to enable it with glEnableVertexAttribArray(0);. Now that an attribute is enabled, you need to define the data it's going to use. In order to do so you need to bind your VBO - glBindBuffer(GL_ARRAY_BUFFER, myBuffer);. And now we can define the attribute - glVertexAttribPoin...
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Detect viewport orientation, if orientation is Portrait display alert message advising user of instr

... Support for this is much stronger now. This seems to be a much more robust answer now then the accepted one. – JonK Jun 28 '16 at 21:56 2 ...
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How do I detect IE 8 with jQuery?

... just redirect to another page which says "Why are you using IE8?" UPGRADE NOW! – Leon Gaban Jul 9 '14 at 20:09 2 ...