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What's the difference between using CGFloat and float?

I tend to use CGFloat all over the place, but I wonder if I get a senseless "performance hit" with this. CGFloat seems to be something "heavier" than float, right? At which points should I use CGFloat, and what makes really the difference? ...
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Adding git branch on the Bash command prompt

... git 1.9.3 or later: use __git_ps1 Git provides a shell script called git-prompt.sh, which includes a function __git_ps1 that prints text to add to bash PS1 prompt (includes branch name) Its most basic usage is: $ __git_ps1 (master) It also takes an optional format string: $ __g...
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C# operator overload for `+=`?

...nguage has its own operators list, which are compiled in a special method calls, and CLR itself doesn't know anything about operators. So let's see what exactly stays behind the + and += operators. See this simple code: Decimal d = 10M; d = d + 10M; Console.WriteLine(d); Let view the IL-code for...
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How to serve an image using nodejs

... 2016 Update Examples with Express and without Express that actually work This question is over 5 years old but every answer has some problems. TL;DR Scroll down for examples to serve an image with: express.static express connect http net All of the examples are also on GitHub: htt...
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home

...'`" But standard double-clickable application bundles don't use JDKs installed under /Library/Java at all. Old-style .app bundles using Apple's JavaApplicationStub will use Apple Java 6 from /System/Library/Frameworks, and new-style ones built with AppBundler without a bundled JRE will use the "p...
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How to add facebook share button on my website?

... You don't need all that code. All you need are the following lines: <a href="https://www.facebook.com/sharer/sharer.php?u=example.org" target="_blank"> Share on Facebook </a> Documentation can be found at https://developers...
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Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La

... If you have UTF8, use this (actually works with SVG source), like: btoa(unescape(encodeURIComponent(str))) example: var imgsrc = 'data:image/svg+xml;base64,' + btoa(unescape(encodeURIComponent(markup))); var img = new Image(1, 1); // width, height va...
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How can I mock requests and the response?

...thons mock package to mock Pythons requests module. What are the basic calls to get me working in below scenario? 9 Answ...
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How to find event listeners on a DOM node when debugging or from the JavaScript code?

...d A.com/js/jquery-ui-1.10.3.custom.js?_=1384831682813. Origin B.com is not allowed by Access-Control-Allow-Origin. – hiway Nov 19 '13 at 3:50 5 ...
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How do I list all tables in a schema in Oracle SQL?

How do i list all tables in a schema in Oracle SQL? 14 Answers 14 ...