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What is uint_fast32_t and why should it be used instead of the regular int and uint32_t?

...way. Some are easier to access than others. Easier means less-computation, more direct, which results in faster access. Now uint32_t is exactly 32-bit on all systems (if it exists), which might not be faster compared to the one which has, say, 64-bit. uint_fast32_t on the other hand at least 32 bi...
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How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?

...the dict constructor, and is very fast and memory efficient (even slightly more-so than our two-step process) but unless you know precisely what is happening here (that is, the second dict is being passed as keyword arguments to the dict constructor), it's difficult to read, it's not the intended us...
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Why is it not possible to extend annotations in Java?

...ther)? It complicates the annotation type system, and makes it much more difficult to write “Specific Tools”. … “Specific Tools” — Programs that query known annotation types of arbitrary external programs. Stub generators, for example, fall into this category. ...
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How do I detect whether a Python variable is a function?

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C++: What is the size of an object of an empty class?

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Which Python memory profiler is recommended? [closed]

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How to avoid scientific notation for large numbers in JavaScript?

..., that any integer you output as a JavaScript number (not a BigInt) that's more than 15-16 digits (specifically, greater than Number.MAX_SAFE_INTEGER + 1 [9,007,199,254,740,992]) may be be rounded, because JavaScript's number type (IEEE-754 double-precision floating point) can't precisely hold all i...
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Exit single-user mode

...er id, filter by the database name. Post an image of the error to help us more. Good luck. – CRAFTY DBA Sep 23 '13 at 18:53 ...
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What does {0} mean when initializing an object?

...is the same as initialising it with simply {}. Perhaps the former makes it more obvious that built-in types get zeroed. – James Hopkin Sep 18 '08 at 9:02 7 ...
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Bootstrap 3: Keep selected tab on page refresh

...native might be using push.state but you need a polyfill for IE<=9. For more infos and other alternative solutions take a look at stackoverflow.com/questions/3870057/… – Philipp Michael Jul 7 '15 at 8:21 ...