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c++11 Return value optimization or move? [duplicate]
I don't understand when I should use std::move and when I should let the compiler optimize... for example:
4 Answers
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Should I use string.isEmpty() or “”.equals(string)?
I'm usually testing this alongside a string == null , so I'm not really concerned about a null-safe test. Which should I use?
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What are all the common undefined behaviours that a C++ programmer should know about? [closed]
...mount greater than or equal to the number of bits in the number (e.g. int64_t i = 1; i <<= 72 is undefined)
Types, Cast and Const
Casting a numeric value into a value that can't be represented by the target type (either directly or via static_cast)
Using an automatic variable before it has b...
Sorting multiple keys with Unix sort
I have potentially large files that need to be sorted by 1-n keys. Some of these keys might be numeric and some of them might not be. This is a fixed-width columnar file so there are no delimiters.
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Set 4 Space Indent in Emacs in Text Mode
...an one, they won't work right.
'(tab-stop-list (quote (4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96 100 104 108 112 116 120))))
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A Windows equivalent of the Unix tail command [closed]
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I'd suggest installing something like GNU Utilities for Win32. It has most favourites, including tail.
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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Centering a background image, using CSS
...screenshots
– X10nD
Apr 15 '10 at 7:32
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Return XML from a controller's action in as an ActionResult?
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– Anthony Serdyukov
Apr 6 '10 at 2:32
Using XmlSerialiser and member annotations can be hard to maintain. Since Luke ...
Queue.Queue vs. collections.deque
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edited Apr 5 '09 at 13:32
answered Apr 4 '09 at 15:26
Ke...