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Short description of the scoping rules?

... Actually, a concise rule for Python Scope resolution, from Learning Python, 3rd. Ed.. (These rules are specific to variable names, not attributes. If you reference it without a period, these rules apply.) LEGB Rule Local — Names assigned in any way within a function (def or...
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How do I erase an element from std::vector by index?

...ents: vector.erase( vector.begin() + 3, vector.begin() + 5 ); // Deleting from fourth element to sixth element share | improve this answer | follow | ...
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When to use the different log levels

... oddities, but for which I am automatically recovering. (Such as switching from a primary to backup server, retrying an operation, missing secondary data, etc.) Error - Any error which is fatal to the operation, but not the service or application (can't open a required file, missing data, etc.). The...
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How do I delete unpushed git commits?

... From my experience, this does not undo the commit from the original branch, thus necessitating the git reset --hard HEAD~1 afterwards. I think using reset --soft then switching branches and committing again would have saved ...
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Flatten nested dictionaries, compressing keys

...y..except block, this will work for any mapping, even if it is not derived from dict. – Björn Pollex May 17 '11 at 7:34 1 ...
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Why doesn't nodelist have forEach?

... 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 ? ...
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Where is Java's Array indexOf?

...tinlist The java guys thought of that too. Use Arrays.toList(list).sublist(from,to).indexOf(o) to search for an element within the range [from, to). – Mario Carneiro Jan 14 '16 at 22:23 ...
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How to create module-wide variables in Python? [duplicate]

...nt the variable to be "private" to the module. If you ever do an import * from mymodule, Python will not import names with two leading underscores into your name space. But if you just do a simple import mymodule and then say dir(mymodule) you will see the "private" variables in the list, and if y...
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Good geometry library in python? [closed]

...kein), I'm using the cffi module and some awful hacks to use CGAL directly from python, using inline C++ snippets. – Paul Harrison Nov 13 '12 at 22:36 ...
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Difference between modes a, a+, w, w+, and r+ in built-in open function?

... For posterity: truncate means to overwrite from the beginning. – Minh Tran Jun 12 '18 at 21:05 4 ...