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When to use symbols instead of strings in Ruby?
...ommon because many programming languages don't have symbols, only strings, and thus strings are also used as identifiers in your code. You should be worrying about what symbols are meant to be, not only when you should use symbols. Symbols are meant to be identifiers. If you follow this philosophy, ...
Getting a random value from a JavaScript array
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It is a simple one-liner
const randomElement = array[Math.floor(Math.random() * array.length)];
Example
const months = ["January", "February", "March", "April", "May", "June", "July"];
const random = Math.floor(Math.random() * months.length);
console....
Get size of an Iterable in Java
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In general, if there is the chance that values is actually a Collection and not only an Iterable, check this and call size() in case:
if (values instanceof Collection<?>) {
return ((Collection<?>)values).size();
}
// use Iterator here...
The call to size() will usually be much fa...
Git - working on wrong branch - how to copy changes to existing topic branch
...orking on a project, but unfortunately, I forgot to switch to my branch, and as such have been working on master
4 Answer...
Argparse: Required arguments listed under “optional arguments”?
...sually considered optional. All other parameters are positional parameters and as such required by design (like positional function arguments). It is possible to require optional arguments, but this is a bit against their design. Since they are still part of the non-positional arguments, they will s...
jQuery: Best practice to populate drop down?
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Andreas Grech was pretty close... it's actually this (note the reference to this instead of the item in the loop):
var $dropdown = $("#dropdown");
$.each(result, function() {
$dropdown.append($("<option />").val(th...
'UserControl' constructor with parameters in C#
...'t need to track down a bunch of data, it can immediately create something and just see it with sensible (if uninteresting) results.
Ease of use for the designer. Designer code is clearer and easier to parse in general.
Discourages unusual data dependencies within a single component. (Though even ...
How to display an unordered list in two columns?
...tely for IE support you will need a code solution that involves JavaScript and dom manipulation. This means that anytime the contents of the list changes you will need to perform the operation for reordering the list into columns and reprinting. The solution below uses jQuery for brevity.
http://js...
Twitter Bootstrap - Tabs - URL doesn't change
I'm using Twitter Bootstrap and its "tabs".
15 Answers
15
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Git asks for username every time I push
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Edit (by @dk14 as suggested by moderators and comments)
WARNING: If you use credential.helper store from the answer, your password is going to be stored completely unencrypted ("as is") at ~/.git-credentials. Please consult the comments section below or the answers ...