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What does `void 0` mean? [duplicate]
...t does void 0 mean?
void[MDN] is a prefix keyword that takes one argument and always returns undefined.
Examples
void 0
void (0)
void "hello"
void (new Date())
//all will return undefined
What's the point of that?
It seems pretty useless, doesn't it? If it always returns undefined, what's wron...
Django filter versus get for single object?
...lly implemented in Django, so there should be no "performance" difference (and the fact that you're thinking about it indicates you're violating one of the cardinal rules of programming, namely trying to optimize code before it's even been written and profiled -- until you have the code and can run ...
How to change the button text of ?
...answered Sep 20 '13 at 4:57
Fernando KoshFernando Kosh
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Difference between new and override
...
The override modifier may be used on
virtual methods and must be used on
abstract methods. This indicates for
the compiler to use the last defined
implementation of a method. Even if
the method is called on a reference to
the base class it will use the
implementatio...
How do I force git to use LF instead of CR+LF under windows?
...d in his question:
the files checked out using msysgit are using CR+LF and I want to force msysgit to get them with LF
A first simple step would still be in a .gitattributes file:
# 2010
*.txt -crlf
# 2020
*.txt text eol=lf
(as noted in the comments by grandchild, referring to .gitattribu...
How to pass command line argument to gnuplot?
...file, say foo.data . Currently, I hardcoded the data file name in the command file, say foo.plt , and run command gnuplot foo.plg to plot data. However, I want to pass the data file name as a command argument, e.g. running command gnuplot foo.plg foo.data . How to parse the command line argumen...
How to use Class in Java?
There's a good discussion of Generics and what they really do behind the scenes over at this question , so we all know that Vector<int[]> is a vector of integer arrays, and HashTable<String, Person> is a table of whose keys are strings and values Person s.
However, what stumps me ...
C# pattern to prevent an event handler hooked twice [duplicate]
Duplicate of: How to ensure an event is only subscribed to once
and Has an event handler already been added?
9 Answers
...
What's the best practice using a settings file in Python? [closed]
I have a command line script that I run with a lot of arguments. I have now come to a point where I have too many arguments, and I want to have some arguments in dictionary form too.
...
Is it safe to assume a GUID will always be unique?
...h. There are so many GUIDs that if you generate several trillion of them randomly, you're still more likely to get hit by a meteorite than to have even one collision (from Wikipedia). And if you aren't generating them randomly, but are e.g. using the MAC-address-and-time-stamp algorithm, then they...