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Can't install RMagick 2.13.1. Can't find MagickWand.h.

When I try do install rmagick I get the following error message: 32 Answers 32 ...
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How to identify if a webpage is being loaded inside an iframe or directly into the browser window?

I am writing an iframe based facebook app. Now I want to use the same html page to render the normal website as well as the canvas page within facebook. I want to know if I can determine whether the page has been loaded inside the iframe or directly in the browser? ...
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Git Alias - Multiple Commands and Parameters

I am trying to create an alias that uses both multiple Git commands and positional parameters. There are Stackoverflow pages for each, and it would appear painfully obvious to do both, but I am having trouble. ...
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How to manually expand a special variable (ex: ~ tilde) in bash

I have a variable in my bash script whose value is something like this: 15 Answers 15 ...
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jQuery deferreds and promises - .then() vs .done()

I've been reading about jQuery deferreds and promises and I can't see the difference between using .then() & .done() for successful callbacks. I know Eric Hynds mentions that .done() and .success() map to the same functionality but I'm guessing so does .then() as all the callbacks are al...
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'is' versus try cast with null check

...be cast a second time // before using it as a MyType ... } to this: var myObjRef = myObj.myProp as MyType; // only one cast if (myObjRef != null) { // myObjRef is already MyType and doesn't need to be cast again ... } C# 7.0 supports a more...
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How to convert an Array to a Set in Java

I would like to convert an array to a Set in Java. There are some obvious ways of doing this (i.e. with a loop) but I would like something a bit neater, something like: ...
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Is div inside list allowed? [duplicate]

I know that DIV inside LI isn't allowed, but I've seen it lately on many "big" websites like Smashing Magazine , Web Designer Wall ... etc. ...
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How to get the first word of a sentence in PHP?

I want to extract the first word of a variable from a string. For example, take this input: 22 Answers ...
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Vertical Text Direction

I have been trying text to go in a vertical direction like we can do in ms-word tables but so far I have only been able to do THIS ... which I am not happy with because it's a box rotated... Isn't there a way to have actual vertical direction text? ...