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Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?

...gnment operator or destructor, and if the generated move constructor is valid (§12.8/10). The move assignment operator is auto-generated if there is no user-declared copy constructor, copy assignment operator or destructor, and if the generated move assignment operator is valid (e.g. if it wouldn't...
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What is the >>>= operator in C?

... I didn't run it - would this not produce ????, though, rather than ??? as the OP got? (Huh.) codepad.org/nDkxGUNi does produce ???. – usr2564301 Aug 25 '14 at 22:34 ...
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Phase • Animations made easy! - Extensions - Kodular Community

...y-state: var(--animation-state); stroke: #fff; stroke-width: 0.5px; transform-origin: center; opacity: 0; r: max(1vw, 11px); cy: 50%; filter: saturate(2) opacity(0.85); } .dots:first-child { fill: var(--...
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Checking images for similarity with OpenCV

...ethods. Proposed decades ago as a means to find picture simmilarities. The idea is that a forest will have a lot of green, and a human face a lot of pink, or whatever. So, if you compare two pictures with forests, you'll get some simmilarity between histograms, because you have a lot of green in bot...
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Can I 'git commit' a file and ignore its content changes?

...ortion of the index have not been modified in the working copy. So it avoids a mess of stat calls. This bit is lost whenever the file's entry in the index changes (so, when the file is changed upstream). skip-worktree is more than that: even where git knows that the file has been modifi...
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Local variables in nested functions

...ets the cat. dog: Mary pets the cat. cat: Mary pets the cat. But if we avoid creating a list() first: >>> for name, f in get_petters(): ... print(name + ":", f()) cow: Mary pets the cow. dog: Mary pets the dog. cat: Mary pets the cat. What's going on? Why does this subtle difference ...
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__lt__ instead of __cmp__

...parison operators" such as __lt__ . The rich comparison overloads are said to be preferred, but why is this so? 5 Answer...
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Composer: how can I install another dependency without updating old ones?

... (> or * chars after the colons) found in composer.json! This can be avoided by using composer update vendor/package, but I wouldn't recommend making a habit of it, as you're one forgotten argument away from a potentially broken project… Keep things sane and stick with composer require vendor/...
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What's the difference between using CGFloat and float?

...t, including the kernel and user applications. Apple's 64-bit Transition Guide for Cocoa is a useful resource. share | improve this answer | follow | ...
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What does the 'standalone' directive mean in XML?

...nore any markup declarations in the DTD. The DTD is thereafter used for validation only. As an example, consider the humble <img> tag. If you look at the XHTML 1.0 DTD, you see a markup declaration telling the parser that <img> tags must be EMPTY and possess src and alt attributes. When...