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Virtual functions and performance - C++

... about virtual functions (and more) is Member Function Pointers and the Fastest Possible C++ Delegates. share | improve this answer | follow | ...
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Should I put input elements inside a label element?

... obscure) it says that in order to claim conformance, you need to pass the test criteria, and that specifically states that you should use the for attribute. In reality when I last tested this in Apple Voiceover (10% market share screenreaders desktop, 60% market share screenreaders mobile) implic...
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PHP Regex to get youtube video ID?

...tp://youtu.be/dQw4w9WgXcQ?feature=youtube_gdata_player Also includes the test below the function. /** * Get Youtube video ID from URL * * @param string $url * @return mixed Youtube video ID or FALSE if not found */ function getYoutubeIdFromUrl($url) { $parts = parse_url($url); if(iss...
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SVG gradient using CSS

...t support referencing elements from other files. Not sure about IE9 (can't test right now, just give it a try). – Thomas W Dec 27 '12 at 11:07 54 ...
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How to make Twitter Bootstrap tooltips have multiple lines?

... http://jsfiddle.net/UBr6c/ My <a href="#" title="This is a<br />test...<br />or not" class="my_tooltip">Tooltip</a> test. $('.my_tooltip').tooltip({html: true}) share | i...
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Javascript Functions and default parameters, not working in IE and Chrome

...". Or you can check the .length of the arguments object. Or you can simply test each parameter for undefined. There are different occasions to use each. – the system Mar 2 '13 at 19:55 ...
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How to get a variable name as a string in PHP?

... Actually now that I've tested my code, my code always returned 'var' because it's being used in the function. When I use $GLOBALS instead, it returns the correct variable name for some reason. So I'll change the above code to use $GLOBALS. ...
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Ways to save enums in database

...for example: public enum Boolean { TRUE, FALSE } public class BooleanTest { @Test public void testEnum() { assertEquals(0, Boolean.TRUE.ordinal()); assertEquals(1, Boolean.FALSE.ordinal()); } } If you stored this as ordinals, you might have rows like: > SELECT...
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How can I preview a merge in git?

...ode and then commit to your branch so you can deploy JUST your branch on a test server, wouldn't you still have to revert the git merge --no-ff --no-commit? I guess you can still do a git merge --abort after that if you don't like what you see? Even if the merge doesn't produce conflicts? ...
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What is the use of “assert” in Python?

...ion. When you do... assert condition ... you're telling the program to test that condition, and immediately trigger an error if the condition is false. In Python, it's roughly equivalent to this: if not condition: raise AssertionError() Try it in the Python shell: >>> assert Tr...