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Python - abs vs fabs

...n (if it can't, it throws an exception). It then takes the absolute value, and returns the result as a float. In addition to floats, abs() also works with integers and complex numbers. Its return type depends on the type of its argument. In [7]: type(abs(-2)) Out[7]: int In [8]: type(abs(-2.0)) Out...
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Sourcetree - undo unpushed commits

I am using Sourcetree for Windows for a git-repository and would like to undo an unpushed commit. 4 Answers ...
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Why are Perl 5's function prototypes bad?

... that function calls are correct: that is, that they have the right number and type of arguments. Perl's prototypes are not well-suited for this task. It's the misuse that's bad. Perl's prototypes have a singular and very different purpose: Prototypes allow you to define functions that behave like ...
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Regex lookahead for 'not followed by' in grep

...head, which is what you're after, requires a more powerful tool than the standard grep. You need a PCRE-enabled grep. If you have GNU grep, the current version supports options -P or --perl-regexp and you can then use the regex you wanted. If you don't have (a sufficiently recent version of) GNU ...
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How to Get the Title of a HTML Page Displayed in UIWebView?

... - range1.location - 7)]; NSLog(@"substring is %@",subString); I Used +7 and -7 in NSMakeRange to eliminate the length of <title> i.e 7 share | improve this answer | ...
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Views vs Components in Ember.js

I am learning ember.js, and I am trying to understand the difference between a view and a component. I see both as a way of making reusable components. ...
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Is there a python equivalent of Ruby's 'rvm'?

...dle a specific Python install (say, 2.7) with certain eggs in one project, and with certain other eggs in another? RVM manages all this stuff seamlessly, and sudo is a thing of the past. – Kyle Wild Apr 5 '11 at 15:56 ...
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How to get the input from the Tkinter Text Widget?

...) The -1c deletes 1 character, while -2c would mean delete two characters, and so on. def retrieve_input(): input = self.myText_Box.get("1.0",'end-1c') share | improve this answer | ...
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How are cookies passed in the HTTP protocol?

...not work with requests other than GET/POST, but I suspect that the browser and server implementations may not implement it in those cases. – deinst Jul 12 '12 at 15:02 5 ...
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best practice to generate random token for forgot password

...ier for forgot password . I read i can do it by using timestamp with mt_rand(), but some people are saying that time stamp might not be unique every time. So i am bit of confused here. Can i do it with using time stamp with this ? ...