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`if __name__ == '__main__'` equivalent in Ruby
...f there isn't really a good, clean way of doing this.
EDIT: Found it.
if __FILE__ == $0
foo()
bar()
end
But it's definitely not common.
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How to apply a function to two columns of Pandas dataframe
Suppose I have a df which has columns of 'ID', 'col_1', 'col_2' . And I define a function :
12 Answers
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Delete multiple objects in django
...sing a webpage. There is no category to select from so I can't delete from all of them like that. Do I have to implement my own delete form and process it in django or does django have a way to already do this? As its implemented in the admin interface.
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PHP: If internet explorer 6, 7, 8 , or 9
...mp;& $B['v'] <= 8) {
// Browsers IE 8 and below
} else {
// All other browsers
}
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What is a NullReferenceException, and how do I fix it?
.... This means you either set it to null, or you never set it to anything at all.
Like anything else, null gets passed around. If it is null in method "A", it could be that method "B" passed a null to method "A".
null can have different meanings:
Object variables which are uninitialized and hence poi...
Getting a random value from a JavaScript array
... @SapphireSun this is correct. Note the Math.floor(Math.random(...)) call, which rounds down.
– ashes999
Jan 19 '14 at 12:43
34
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What is the purpose of using -pedantic in GCC/G++ compiler?
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GCC compilers always try to compile your program if this is at all possible. However, in some
cases, the C and C++ standards specify that certain extensions are forbidden. Conforming compilers
such as gcc or g++ must issue a diagnostic when these extensions are encountered. For example,
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What is the best way to call a script from another script?
...s, methods, etc. I have another script which runs as a service. I want to call test1.py from the script running as a service.
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Requirejs domReady plugin vs Jquery $(document).ready()?
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It seems like all the key points were already hit, but a few details fell through the cracks. Mainly:
domReady
It is both a plugin and a module. If you include it in the the requirements array w/ a trailing ! your module won't execute un...
Always pass weak reference of self into block in ARC?
... be the cause of these blocks retaining self and keeping it from being dealloced ? The question is, should I always use a weak reference of self in a block ?
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