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What is the standard naming convention for html/css ids and classes?

... There isn't one. I use underscores all the time, due to hyphens messing up the syntax highlighting of my text editor (Gedit), but that's personal preference. I've seen all these conventions used all over the place. Use the one that you think is best - the one that look...
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How do exceptions work (behind the scenes) in c++

...actually look at the generated code with a small piece of C++ code and a somewhat old Linux install. class MyException { public: MyException() { } ~MyException() { } }; void my_throwing_function(bool throwit) { if (throwit) throw MyException(); } void another_function(); void ...
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Why doesn't c++ have &&= or ||= for booleans?

...ming C++ code. 1 Admittedly this is a rather big caveat as Angew’s comment illustrates: bool b = true; b &= 2; // yields `false`. The reason is that b & 2 performs integer promotion such that the expression is then equivalent to static_cast<int>(b) & 2, which results in 0, ...
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Git - How to use .netrc file on Windows to save user and password

...possible to use a .netrc file on Windows? Yes: You must: define environment variable %HOME% (pre-Git 2.0, no longer needed with Git 2.0+) put a _netrc file in %HOME% If you are using Windows 7/10, in a CMD session, type: setx HOME %USERPROFILE% and the %HOME% will be set to 'C:\Users\"usern...
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How do I give text or an image a transparent background using CSS?

Is it possible, using CSS only, to make the background of an element semi-transparent but have the content (text & images) of the element opaque? ...
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Accessing inactive union member and undefined behavior?

I was under the impression that accessing a union member other than the last one set is UB, but I can't seem to find a solid reference (other than answers claiming it's UB but without any support from the standard). ...
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How can I declare and use Boolean variables in a shell script?

... Revised Answer (Feb 12, 2014) the_world_is_flat=true # ...do something interesting... if [ "$the_world_is_flat" = true ] ; then echo 'Be careful not to fall off!' fi Original Answer Caveats: https://stackoverflow.com/a/21210966/89391 the_world_is_flat=true # ...do something int...
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Traits in PHP – any real world examples/best practices? [closed]

...pass in the dependencies via the constructor or via setters: class ClassName { protected $logger; public function __construct(LoggerInterface $logger) { $this->logger = $logger; } // or public function setLogger(LoggerInterface $logger) { $this->logger = $...
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What's the meaning of interface{}?

...s an interface? An interface is two things: it is a set of methods, but it is also a type The interface{} type, the empty interface is the interface that has no methods. Since there is no implements keyword, all types implement at least zero methods, and satisfying a...
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Using Auto Layout in UITableView for dynamic cell layouts & variable row heights

...t compression resistance and content hugging constraints in the vertical dimension for each subview are not being overridden by higher-priority constraints you have added. (Huh? Click here.) Remember, the idea is to have the cell's subviews connected vertically to the cell's content view so that th...