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How to add a custom loglevel to Python's logging facility

...ave loglevel TRACE (5) for my application, as I don't think that debug() is sufficient. Additionally log(5, msg) isn't what I want. How can I add a custom loglevel to a Python logger? ...
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The performance impact of using instanceof in Java

...le I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any performance impact? Is is just as fast as == ? ...
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Check if user is using IE

... share | improve this answer | follow | edited Mar 11 '16 at 4:27 ...
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Why is pow(a, d, n) so much faster than a**d % n?

...ways of computing a**d % n without having to compute a**d itself, and that is what pow does. The ** operator can't do this because it can't "see into the future" to know that you are going to immediately take the modulus. s...
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filters on ng-model in an input

... http://plnkr.co/edit/Mb0uRyIIv1eK8nTg3Qng?p=preview The only interesting issue is with spaces: In AngularJS 1.0.3 ng-model on input automatically trims string, so it does not detect that model was changed if you add spaces at the end or at start (so spaces are not automatically removed by my code)...
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Git merge master into feature branch

... the feature branch? Easy: git checkout feature1 git merge master There is no point in forcing a fast forward merge here, as it cannot be done. You committed both into the feature branch and the master branch. Fast forward is impossible now. Have a look at GitFlow. It is a branching model for gi...
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Should I size a textarea with CSS width / height or HTML cols / rows attributes?

...support CSS. But as a designer I overwrite them to get exactly the size I wish. The recommended way to do it is via an external stylesheet e.g. textarea { width: 300px; height: 150px; } <textarea> </textarea> ...
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Why are C# 3.0 object initializer constructor parentheses optional?

...o exclude the open/close pair of parentheses in the constructor when there is a parameterless constructor existing. Example: ...
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How to simplify a null-safe compareTo() implementation?

I'm implementing compareTo() method for a simple class such as this (to be able to use Collections.sort() and other goodies offered by the Java platform): ...
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How can I check if string contains characters & whitespace, not just whitespace?

What is the best way to check if a string contains only whitespace? 9 Answers 9 ...