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How to sort an array of hashes in ruby
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Simples:
array_of_hashes.sort_by { |hsh| hsh[:zip] }
Note:
When using sort_by you need to assign the result to a new variable: array_of_hashes = array_of_hashes.sort_by{} otherwise you can use the "bang" method to modify in place: array_of_hashes.sort_...
Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?
...ate with respect to libraries in Linux, and would like to confirm some things.
4 Answers
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Rename master branch for both local and remote Git repositories
I have the branch master which tracks the remote branch origin/master .
15 Answers
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Are “elseif” and “else if” completely synonymous?
...HP manual:
In PHP, you can also write 'else if' (in two words) and the behavior would be identical to the one of 'elseif' (in a single word). The syntactic meaning is slightly different (if you're familiar with C, this is the same behavior) but the bottom line is that both would result in exactl...
If string is empty then return some default value
Often I need to check if some value is blank and write that "No data present" like that:
6 Answers
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Sass calculate percent minus px
I want to be able to do the following:
6 Answers
6
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Python's os.makedirs doesn't understand “~” in my path
I have a little problem with ~ in my paths.
5 Answers
5
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Trigger change event of dropdown
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I don't know that much JQuery but I've heard it allows to fire native events with this syntax.
$(document).ready(function(){
$('#countrylist').change(function(e){
// Your event handler
});
// And now fire change event when the DOM is...
How do I create a custom Error in JavaScript?
...Error.prototype = Error.prototype;
However, I would just throw your own object and just check the name property.
throw {name : "NotImplementedError", message : "too lazy to implement"};
Edit based on comments
After looking at the comments and trying to remember why I would assign prototype to...
How to sleep for five seconds in a batch file/cmd [duplicate]
Windows's Snipping tool can capture the screen, but sometimes I want to capture the screen after five seconds, such as taking an image being displayed by the webcam. (Run the script and smile at the camera, for example.)
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