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Making text background transparent but not text itself
...4, 204, 204, 0.5);
}
See http://css-tricks.com/rgba-browser-support/ for more info and samples of rgba-values in css.
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How to create NS_OPTIONS-style bitmask enumerations in Swift?
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Objective-C: difference between id and void *
...e warning is obviously annoying so id is better. Of coarse you can then be more specific by for example saying id<MKAnnotation> ,which in this case means whatever the object, it must conform to the MKAnnotation protocol.
– pnizzle
May 4 '17 at 7:09
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How to flatten only some dimensions of a numpy array
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It's been more than two years already... We need another slight generalization! ;)
– Lith
Mar 27 at 13:44
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RegEx backreferences in IntelliJ
...liJ uses $1 for replacement backreferences.
From IntelliJ's help:
For more information on regular expressions and their syntax, refer to documentation for java.util.regex Back references should have $n, rather than \n format.
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Using curl to upload POST data with files
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What is the purpose of the vshost.exe file?
...n as soon as you want it to.
See this MSDN article and this blog post for more information.
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Recursive directory listing in DOS
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Doing something before program exit
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What is the HTML tabindex attribute?
...s and
it makes elements "focusable".
In my mind the second thing is even more important than the first one. There are very few elements that are focusable by default (e.g. <a> and form controls). Developers very often add some JavaScript event handlers (like 'onclick') on not focusable eleme...