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How to make a valid Windows filename from an arbitrary string?

...: Bar" that I want to use as a filename, but on Windows the ":" char isn't allowed in a filename. 14 Answers ...
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Python “raise from” usage

... The difference is that when you use from, the __cause__ attribute is set and the message states that the exception was directly caused by. If you omit the from then no __cause__ is set, but the __context__ attribute may be set as well, and the traceback then shows the co...
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git: How to ignore all present untracked files?

Is there a handy way to ignore all untracked files and folders in a git repository? (I know about the .gitignore .) 8 An...
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What does the Reflect object do in JavaScript?

...ble: ES6 spec, Reflection MDN Reflect (including details and examples to all of its methods) Original answer (for (historic) understanding and extra examples): The Reflection proposal seems to have progressed to the Draft ECMAScript 6 Specification. This document currently outlines the Reflect...
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Using custom std::set comparator

...should use a functor (a class that overloads the () operator so it can be called like a function). struct lex_compare { bool operator() (const int64_t& lhs, const int64_t& rhs) const { stringstream s1, s2; s1 << lhs; s2 << rhs; return s1.str()...
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What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?

... platforms, memory leaks are often caused by unreleased pointers. Traditionally, it has always been of utmost importance to check your allocs, copies and retains to make sure each has a corresponding release message. ...
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Rename specific column(s) in pandas

I've got a dataframe called data . How would I rename the only one column header? For example gdp to log(gdp) ? 5 Answe...
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How do I flag a method as deprecated in Objective-C 2.0?

...x is provided to mark methods as deprecated: @interface SomeClass -method __attribute__((deprecated)); @end or: #include <AvailabilityMacros.h> @interface SomeClass -method DEPRECATED_ATTRIBUTE; // or some other deployment-target-specific macro @end ...
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Get __name__ of calling function's module in Python

....stack()[1] mod = inspect.getmodule(frm[0]) print '[%s] %s' % (mod.__name__, msg) share | improve this answer | follow | ...
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Are static class variables possible in Python?

... if it's a subclass. A static method lacks this information, so it cannot call an overridden method, for example. – Seb Oct 2 '12 at 15:58 ...