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What is the use of having destructor as private?

...e connection being open or a file being written. You could have a "request_delete" method in the class or the manager that will check that condition and it will either delete or decline, and return a status telling you what it did. That's far more flexible that just calling "delete". ...
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Python exit commands - why so many and when should each be used?

...ution. The choices I've found are: quit() , exit() , sys.exit() , os._exit() 4 Answers ...
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Is there a JavaScript / jQuery DOM change listener?

...ent change by sending a DOM event: pjax:end on document used by many pjax-based sites e.g. GitHub, see How to run jQuery before and after a pjax load? message on window used by e.g. Google search in Chrome browser, see Chrome extension detect Google search refresh yt-navigate-finish used by Youtube...
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What is the Python equivalent of static variables inside a function?

...e at the top instead of the bottom, you can create a decorator: def static_vars(**kwargs): def decorate(func): for k in kwargs: setattr(func, k, kwargs[k]) return func return decorate Then use the code like this: @static_vars(counter=0) def foo(): foo.coun...
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validation custom message for rails 3

...e from the message by writing a manual validation and adding the error to :base, for example errors.add(:base, "Story title is required) – Marco Prins Nov 9 '15 at 14:45 ...
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Saving vim macros

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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Correct way to use get_or_create?

... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers. Draft saved Draft discarded ...
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is not JSON serializable

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How to find the width of a div using vanilla JavaScript?

... edited Nov 4 '15 at 11:07 sudo_dudo 50744 silver badges1616 bronze badges answered Sep 12 '14 at 18:10 user3...
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Accurate way to measure execution times of php scripts

...otime — Return current Unix timestamp with microseconds If get_as_float is set to TRUE, then microtime() returns a float, which represents the current time in seconds since the Unix epoch accurate to the nearest microsecond. Example usage: $start = microtime(true); while (...) { } $...