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How to check if the string is empty?
Does Python have something like an empty string variable where you can do:
25 Answers
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Object comparison in JavaScript [duplicate]
... take into account these functions prototype. So comparing the code string does not work to guaranty that they have the same prototype object.
The two objects should have the same prototype chain, not just the same properties. This can only be tested cross-browser by comparing the constructor of bo...
Encoding URL query parameters in Java
How does one encode query parameters to go on a url in Java? I know, this seems like an obvious and already asked question.
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Git blame — prior commits?
...-rev option added to git blame:
git blame --ignore-rev fe25b6d
While this doesn't answer OP's question of giving the stack of commits (you'll use git log for that, as per the other answer), it is a better way of this solution, as you won't potentially misblame the other lines.
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When is “i += x” different from “i = i + x” in Python?
...= calls the __iadd__ method (if it exists -- falling back on __add__ if it doesn't exist) whereas + calls the __add__ method1 or the __radd__ method in a few cases2.
From an API perspective, __iadd__ is supposed to be used for modifying mutable objects in place (returning the object which was mut...
How to convert a SVG to a PNG with ImageMagick?
...n able to get good results from ImageMagick in this instance, but Inkscape does a nice job of it on Linux and Windows:
inkscape -z -w 1024 -h 1024 input.svg -e output.png
Edit (May 2020): Inkscape 1.0 users, please note that the command line arguments have changed:
inkscape -w 1024 -h 1024 input.sv...
Select TreeView Node on right click before displaying ContextMenu
...cted property of the bound data object, which is not part of the UI, so it does not have IsSelected property. Am I doing something wrong?
– Antonín Procházka
Mar 24 '17 at 10:34
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How to disable scrolling temporarily?
...on()' calls from other jQuery attempts to stop scrolling, because not only does it not work, it prevents the event from bubbling to THIS code that DOES work. Hopefully my wasted 30 mins will help save someone else time :)
– Dirk van Bergen
Jan 7 '13 at 13:01
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How to check if running as root in a bash script
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If the person who is trying to run the script does not have sudo privileges, this will cause the error to be thrown and the command will not run? Just want to make sure, I understand correctly.
– Caperneoignis
Apr 7 '16 at 14:15
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Access to private inherited fields via reflection in Java
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Does this get all superclasses' fields or just the direct superclass?
– Raining
May 14 '19 at 16:28
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