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Where do gems install?

...r gem environment. In a terminal run gem env You should see an entry INSTALLATION DIRECTORY, but there is also GEM PATHS which is where it's loading all your gems from in your current environment. share | ...
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How do I put a border around an Android textview?

... you make an image with a border then it will give your TextView a border. All you need to do is make the image and then set it to the background in your TextView. <TextView android:id="@+id/textview1" android:layout_width="wrap_content" android:layout_height="wrap_content" andro...
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Why does (“foo” === new String(“foo”)) evaluate to false in JavaScript?

I was going to start using === (triple equals, strict comparison) all the time when comparing string values, but now I find that ...
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Batch script: how to check for admin rights

...went searching for other commands that require elevated permissions. rationallyparanoid.com had a list of a few, so I ran each command on the two opposite extremes of current Windows OSs (XP and 8) in the hopes of finding a command that would be denied access on both OSs when run with standard permi...
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Deserializing JSON to .NET object using Newtonsoft (or LINQ to JSON maybe?)

... ya I've actually done a bit more reading and testing...found this to be a nice way of doing it as well...Newtonsoft, pretty nice library, I'll post my example for others – J Benjamin Jan 20 '11 at 1...
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How to get a cross-origin resource sharing (CORS) post request working

... I finally stumbled upon this link "A CORS POST request works from plain javascript, but why not with jQuery?" that notes that jQuery 1.5.1 adds the Access-Control-Request-Headers: x-requested-with header to all CORS requests....
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What is the advantage of GCC's __builtin_expect in if else statements?

... I guess it should be something like: cmp $x, 0 jne _foo _bar: call bar ... jmp after_if _foo: call foo ... after_if: You can see that the instructions are arranged in such an order that the bar case precedes the foo case (as opposed to the C code). This can utilise the CPU ...
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How to get a variable name as a string in PHP?

... Actually now that I've tested my code, my code always returned 'var' because it's being used in the function. When I use $GLOBALS instead, it returns the correct variable name for some reason. So I'll change the above code to use...
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How do I change tab size in Vim?

...at tabs are displayed as 4 spaces. Setting expandtab will cause Vim to actually insert spaces (the number of them being controlled by tabstop) when you press tab; you might want to use softtabstop to make backspace work properly (that is, reduce indentation when that's what would happen should tabs ...
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Writing files in Node.js

...ut @AndersonGreen, you need to run node as root or chmod /home properly to allow R/W permissions to current node process owner (your username tough) so you can write the file – Denys Vitali Jan 2 '14 at 23:34 ...