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Why does CSS work with fake elements?
...pecific version of HTML. CSS can be used on HTML, XHTML, XML, SGML, XAML, etc. Of course, you need something that will render each of these document types that will also apply styling. By definition, CSS does not know / understand / care about specific markup language tags. So, the tags may be "...
How is attr_accessible used in Rails 4?
...n practice, though, this moves Rails away from fat model, thin controller, etc, and towards thin models, and really bloated controllers. You have to write all this stuff for every instance, it doesn't read nicely, and nesting seems to be a pain. The old attr_accessible/attr_accessor in the model s...
Java Reflection Performance
...thinking about the cleanest way you can possibly do it--no copy and paste, etc. (Still be wary of stuff like inner loops and using the collection that best fits your need--Ignoring these isn't "unoptimized" programming, it's "bad" programming)
It freaks me out when I hear questions like this, but ...
Legality of COW std::string implementation in C++11
...st silly that a std::cow_string class wasn't included, with lock_buffer(), etc. there are lots of times i know threading isn't an issue. more often than not, actually.
– Erik Aronesty
Apr 16 '15 at 20:47
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What is __gxx_personality_v0 for?
...s invoked to determine if an exception match, what finalization to invoke, etc. This specific personality routine is for C++ exception handling (as opposed to, say, gcj/Java exception handling).
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Is there any significant difference between using if/else and switch-case in C#?
...y C-like lookup. Under certain circumstances (target platform, cl switches etc) switch may be expanded into IFs during compilation, but it's only a fallback compatibility measure.
– ima
Dec 28 '08 at 7:04
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querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
...ementsByClassName("class1 class2")
Using getElement* on a static element fetched with querySelector* will result in an element that is live with respect to the static subset of the DOM copied by querySelector, but not live with respect to the full document DOM... this is where the simple live/stati...
How can I make an “are you sure” prompt in a Windows batchfile?
...details on IF comparison operators see Symbol equivalent to NEQ, LSS, GTR, etc. in Windows batch files.
The command goto :EOF requires enabled command extensions to really exit batch file processing. For more details see Where does GOTO :EOF return to?
For understanding the used commands and how t...
Get __name__ of calling function's module in Python
...re, you can get more information about the caller's function name, module, etc.
See the docs for details:
http://docs.python.org/library/inspect.html
Also, Doug Hellmann has a nice writeup of the inspect module in his PyMOTW series:
http://pymotw.com/2/inspect/index.html#module-inspect
EDIT: He...
Sorting related items in a Django template
... this should be less in practice, and let model handle the sorting before fetching the records.
– acpmasquerade
Feb 7 '15 at 13:24
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