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Else clause on Python while statement

...struct: while condition: handle_true() else: # condition is false now, handle and go on with the rest of the program handle_false() An example might be along the lines of: while value < threshold: if not process_acceptable_value(value): # something went wrong, exit the...
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Measuring execution time of a function in C++

...5; } } int main() { auto t1 = std::chrono::high_resolution_clock::now(); function(); auto t2 = std::chrono::high_resolution_clock::now(); auto duration = std::chrono::duration_cast<std::chrono::microseconds>( t2 - t1 ).count(); std::cout << duration; return...
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What is the correct way to start a mongod service on linux / OS X?

... been able to run it, work with it, do simple DB read / write type stuff. Now I'm trying to set up my Mac to run mongod as a service. ...
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git switch branch without discarding local changes

..... return, edit a bunch of stuff, then: oops, wanted to be on develop So now you want these changes, which you have not yet committed to master, to be on develop. If you don't have a develop yet, the method is trivial: $ git checkout -b develop This creates a new develop branch starting from ...
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How to process SIGTERM signal gracefully?

... to use solution: import signal import time class GracefulKiller: kill_now = False def __init__(self): signal.signal(signal.SIGINT, self.exit_gracefully) signal.signal(signal.SIGTERM, self.exit_gracefully) def exit_gracefully(self,signum, frame): self.kill_now = True if __name_...
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Why should I use version control? [closed]

... just use anything at all to start with - then after a while when you know a bit, read up on alternatives and try one of them out, then another and so on – 1800 INFORMATION Sep 11 '09 at 0:56 ...
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Why does (0 < 5 < 3) return true?

... editing my question to add the if(0 &lt; 5 &lt; 1) == false. All is clear now, thanks :) – punkrockbuddyholly Nov 3 '10 at 16:39 ...
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Mathematical functions in Swift

... @noilly: kinda late now, you have to set the file type to iOS in the Playground's file properties (Cmd-Opt-0), or import UIKit instead, per above comment – Chris Conover Sep 29 '14 at 21:35 ...
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How can I undo a `git commit` locally and on a remote after `git push`

...ommits. copy that number from the commit that you want to return back. 2. Now, type in below command: git reset --hard your_that_copied_string_but_without_quote_mark you should see message like "HEAD is now at ". you are on clear. What it just have done is to reflect that change locally. 3. Now...
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Why doesn't nodelist have forEach?

...nner text, but found that nodelist does not have a forEach method. I know that nodelist doesn't inherit from Array , but doesn't it seem like forEach would be a useful method to have? Is there a particular implementation issue I am not aware of that prevents adding forEach to nodelist ?...