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How to know if an object has an attribute in Python
...at, if the property is likely to be there most of the time, simply call it and either let the exception propagate, or trap it with a try/except block. This will likely be faster than hasattr. If the property is likely to not be there most of the time, or you're not sure, using hasattr will probably ...
How to get just one file from another branch
I am using git and working on master branch. This branch has a file called app.js .
10 Answers
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How to format strings using printf() to get equal length in the output?
...o functions, one which produces messages like Starting initialization... and another which checks return codes and outputs "Ok" , "Warning" or "Error" . However, the output that is produced is of the different length:
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How to update a single library with Composer?
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To install doctrine/doctrine-fixtures-bundle with version 2.1.* and minimum stability @dev use this:
composer.phar require doctrine/doctrine-fixtures-bundle:2.1.*@dev
then to update only this single package:
composer.phar update doctrine/doctrine-fixtures-bundle
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Find the last element of an array while using a foreach loop in PHP
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$numItems = count($arr) trick is not needed and reduces readability - in PHP there is no performance penalty for accessing count($arr) each time. The reason is that items count is internally saved as special field in the array header and is not calculated on-the-fly. T...
What happens if a finally block throws an exception?
...throws an exception what exactly happens ?
That exception propagates out and up, and will (can) be handled at a higher level.
Your finally block will not be completed beyond the point where the exception is thrown.
If the finally block was executing during the handling of an earlier exception t...
How to extract numbers from a string in Python?
...his is better than the regex example because you don't need another module and it's more readable because you don't need to parse (and learn) the regex mini-language.
This will not recognize floats, negative integers, or integers in hexadecimal format. If you can't accept these limitations, jmnas's...
Mod in Java produces negative numbers [duplicate]
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The problem here is that in Python the % operator returns the modulus and in Java it returns the remainder. These functions give the same values for positive arguments, but the modulus always returns positive results for negative input, whereas the remainder may give negative results. There's...
angularjs newline filter with no other html
...le="white-space: pre;">{{ MyMultiLineText}}</p>
This will parse and display \n as new lines. Works great for me.
Here, a jsFiddle example.
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Use Font Awesome icon as CSS content
...Thanks to Aurelien
You need to change the font-family to Font Awesome 5 Brands OR Font Awesome 5 Free, based on the type of icon you are trying to render. Also, do not forget to declare font-weight: 900;
a:before {
font-family: "Font Awesome 5 Free";
content: "\f095";
display: inline-bloc...