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How to avoid .pyc files?
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From "What’s New in Python 2.6 - Interpreter Changes":
Python can now be prevented from
writing .pyc or .pyo files by
supplying the -B switch to the Python
interpreter, or by setting the
PYTHONDONTWRITEBYTECODE ...
Better way to check variable for null or empty string?
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Beware false negatives from the trim() function — it performs a cast-to-string before trimming, and thus will return e.g. "Array" if you pass it an empty array. That may not be an issue, depending on how you process your data, but with the code ...
Change text color based on brightness of the covered background area?
... the element's (or ancestor's) background color, you can use this function from the article to determine a suitable foreground color:
function getContrastYIQ(hexcolor){
hexcolor = hexcolor.replace("#", "");
var r = parseInt(hexcolor.substr(0,2),16);
var g = parseInt(hexcolor.substr(2,2)...
How to substring in jquery
...eally don't care much if the case is that is calling directly string.split from JS, but instead from the community I have understood that if I post that exact question, it will be marked as narrowed, as this response is more accepted than the fact that there is a jQuery.split documentation reference...
Composer: how can I install another dependency without updating old ones?
...Actually, the correct solution is:
composer require vendor/package
Taken from the CLI documentation for Composer:
The require command adds new packages to the composer.json file from the current directory.
php composer.phar require
After adding/changing the requirements, the modified...
How do you push just a single Git branch (and no other branches)?
...ke git-pull on that branch in the future already know which branch to pull from without specifying it. It is not required as an option to push a single branch, but is widely used because a lot of people do want to make the local branch track the remote branch they are pushing.
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Why em instead of px?
...tons is cut in half or disappears entirely. Even stackoverflow.com suffers from it:
Note how the top buttons and the page tabs overlap. If they would have used em units instead of px, there would not have been a problem.
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CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False
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The error msg leads one away from looking for this. Thanks for posting.
– scharfmn
Jul 8 '16 at 7:07
add a comment
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What are the default access modifiers in C#?
...protected, internal, private, protected internal
² structs cannot inherit from structs or classes (although they can, interfaces), hence protected is not a valid modifier
The accessibility of a nested type depends on its accessibility domain, which is determined by both the declared accessibility ...
String was not recognized as a valid DateTime “ format dd/MM/yyyy”
..."22/11/2009". Also the culture of the development machine can be different from the culture of the production. So will the above code work seamlessly?
– Rahatur
Feb 24 '12 at 9:11
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