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Convert to absolute value in Objective-C

...stic. I don't recommend using ABS() however as it is not guaranteed to be side-effect-safe. For instance, ABS(a++) will have an undefined result. If you're using C++ or Objective-C++, you can bring in the <cmath> header and use std::abs(), which is templated for all the standard integer and...
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Syntax for if/else condition in SCSS mixin

... You could try this: $width:auto; @mixin clearfix($width) { @if $width == 'auto' { // if width is not passed, or empty do this } @else { display: inline-block; width: $width; } } I'm not sure of your intended resul...
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Fixing the order of facets in ggplot

...temp$size, levels=c('50%','100%','150%','200%')) Then change the facet_grid(.~size) to facet_grid(.~size_f) Then plot: The graphs are now in the correct order. share | improve this answer ...
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android studio 0.4.2: Gradle project sync failed error

...ing I can answer my own question.... This worked for me. File -> Invalidate caches / Restart Shutdown Android Studio Rename/remove .gradle folder in the user home directory Restart Android Studio let it download all the Gradle stuff it needs Gradle build success ! Rebuild project.... success ! ...
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What is the use of style=“clear:both”?

... When you use float without width, there remains some space in that row. To block this space you can use clear:both; in next element. share | improve ...
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Designer Added then removed by Visual Studio on load/unload

...using source control impossible, because VS is constantly adding these stupid <Subtype>Designer</SubType> tags sporadically. – Triynko Feb 21 '18 at 17:59 ...
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Git : List all unmerged changes in git

... var channelOptions = { tags: "".split(" "), id: "1" }; initTagRenderer("".split(" "), "".split(" "), channelOptions); StackExchange.using("externalEditor", function() { // Have to fire editor after snippets, if snippets enabled...
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How can I make Vim's `J` and `gq` commands use one space after a period?

... You need to :set nojoinspaces to get rid of the double space. Documentation here share | improve this answer | follow | ...
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Full-screen iframe with a height of 100%

...ng examples should work: <body style="margin:0px;padding:0px;overflow:hidden"> <iframe src="http://www.youraddress.com" frameborder="0" style="overflow:hidden;height:100%;width:100%" height="100%" width="100%"></iframe> </body> An alternative: <body style="margin:0...
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How to remove all rows in a numpy.ndarray that contain non-numeric values

... np.isfinite is also useful in this case, as well as when you want to get rid of ±Inf values. It doesn't require the ~, since it returns true only for finite reals. – naught101 Sep 7 '16 at 23:16 ...