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Developing GUIs in Python: Tkinter vs PyQt [closed]
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How can I detect if a selector returns null?
... return this.length !== 0;
}
Used like:
$("#notAnElement").exists();
More explicit than using length.
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Is there a way to list pip dependencies/requirements?
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The accepted answer is no longer relevant for more current versions of pip and does not give an immediate answer without perusing multiple comments so I am providing an updated answer.
This was tested with pip versions 8.1.2, 9.0.1, 10.0.1, and 18.1.
To get the output ...
How to check if a file is empty in Bash?
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Access Container View Controller from Parent iOS
... a child of the first view controller' when the view loads? This is making more sense now, thanks. I'm not with my project now but will test later
– Adam Waite
Nov 8 '12 at 11:23
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Unit testing private methods in C#
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How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
... three lower case letter a, aa, aaa
+ Match at least one, or more, of the pattern defined before it.
E.g. a+ will match consecutive a's a, aa, aaa, and so on
? Match zero or one of the pattern defined before it.
E.g. Pattern may or may not be present but can only be matched one ...
What is the purpose of the var keyword and when should I use it (or omit it)?
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How to implement a good __hash__ function in python [duplicate]
...or inequal objects, just leave it out. Don't make the hash computation any more expensive than it needs to be.
Edit: I would recommend against using xor to mix hashes in general. When two different properties have the same value, they will have the same hash, and with xor these will cancel eachothe...
Can you find all classes in a package using reflection?
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