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Getting time elapsed in Objective-C

...er to use Apple's function CACurrentMediaTime! I also benchmarked the mach_timebase_info call and it takes approximately 19ns on my iPhone 6, so I removed the (not threadsafe) code which was caching the output of that call. #include <mach/mach.h> #include <mach/mach_time.h> uint64_t g...
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Case insensitive replace

...ld be useful if the to-replace value was passed into a function, so it's really more of a good example than anything else. – Blair Conrad Nov 9 '14 at 23:19 2 ...
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What are the differences between JSON and JavaScript object? [duplicate]

...al notation, but there are differences between them. For example, in JSON all keys must be quoted, while in object literals this is not necessary: // JSON: { "foo": "bar" } // Object literal: var o = { foo: "bar" }; The quotes are mandatory on JSON because in JavaScript (more exactly in ECMAScr...
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Is it possible to preview stash contents in git?

...shows the last tone, 1 the second last one.. etc. git stash list will show all the available. – brita_ Jul 18 '14 at 21:13 7 ...
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Trying to add adb to PATH variable OSX

.../bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/Libs/android-sdk-mac_x86/tools:/Libs/android-sdk-mac_x86/platform-tools You're missing the /Users/simon part. Also note that if you have both .profile and .bash_profile files, only the latter gets executed. ...
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WebKit issues with event.layerX and event.layerY

... I have disabled all my extensions and I still get these warnings with 1.7.2 – basZero May 7 '12 at 7:40 ...
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How can I determine whether a 2D Point is within a Polygon?

...integers. Many systems use integers for UI painting (pixels are ints after all), but macOS for example uses float for everything. macOS only knows points and a point can translate to one pixel, but depending on monitor resolution, it might translate to something else. On retina screens half a point ...
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Query EC2 tags from within instance

...the ec2-api-tools package, but I got nothing but 404's when I tried to install it. – Edward Falk Apr 8 '12 at 19:39 2 ...
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App store link for “rate/review this app”

... Note - the "type=Purple+Software" has to be there and it has to be literally "Purple Software" - it's not the name of your company, it's a codename for iPhone applications :) I wasted an hour before I figured this out... – Kuba Suder Oct 24 '11 at 11:27 ...
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Extract source code from .jar file

...ct source code when the jar contains java files, e.g. jars with names typically ending in "-sources". It indeed does only extract .class files when the jar does not contain any java source files. – edwardmp May 2 '16 at 9:04 ...