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Ruby's ||= (or equals) in JavaScript?
I love Ruby's ||= mechanism. If a variable doesn't exist or is nil , then create it and set it equal to something:
6 Ans...
How to get numbers after decimal point?
How do I get the numbers after a decimal point?
29 Answers
29
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Why do I need to do `--set-upstream` all the time?
I create a new branch in Git:
21 Answers
21
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Is it unnecessary to put super() in constructor?
Isn't this one automatically put by the compiler if I don't put it in a subclass's constructor?
6 Answers
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List of ANSI color escape sequences
On most terminals it is possible to colorize output using the \033 ANSI escape sequence.
5 Answers
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Find when a file was deleted in Git
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vogellavogella
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1...
Python decorators in classes
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Would something like this do what you need?
class Test(object):
def _decorator(foo):
def magic( self ) :
print "start magic"
foo( self )
print "end magic"
return magic
@_decorator
def bar( self ) :
print "nor...
When should one use a spinlock instead of mutex?
I think both are doing the same job,how do you decide which one to use for synchronization?
6 Answers
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How to create byte array from HttpPostedFile
I'm using an image component that has a FromBinary method. Wondering how do I convert my input stream into a byte array
6 A...
NSDictionary - Need to check whether dictionary contains key-value pair or not
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Just ask it for the objectForKey:@"b". If it returns nil, no object is set at that key.
if ([xyz objectForKey:@"b"]) {
NSLog(@"There's an object set for key @\"b\"!");
} else {
NSLog(@"No object set for key @\"b\"");
}
Edit: As to you...