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What's the difference between the various methods to get a Context?

... repeat this cycle many times) - what context should I use in this case in order to avoid building up a huge trail of referenced contexts? Diana says using 'this' rather than getBaseContext, but then... most of the times A will be reused but there are situations when a new object for A will be creat...
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Fetch frame count with ffmpeg

...0]Cannot parallelize deblocking type 1, decoding such frames in sequential order frame= 49 fps= 24 q=26.0 size= 4kB time=0.28 bitrate= 118.1kbits/s frame= 56 fps= 22 q=23.0 size= 4kB time=0.56 bitrate= 62.9kbits/s Once you have the time, it is simple math: time / durration ...
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What is two way binding?

...o-way binding extensions do exist for Backbone as well (in raw, subjective order of decreasing complexity): Epoxy, Stickit, ModelBinder… One cool thing with Epoxy, for instance, is that it allows you to declare your bindings (model attributes <-> view's DOM element) either within the templa...
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Are multiple `.gitignore`s frowned on?

...nce git 1.8.2 (March 2013) you can do a git check-ignore -v -- yourfile in order to see which gitignore run (from which .gitignore file) is applied to 'yourfile', and better understand why said file is ignored. See "which gitignore rule is ignoring my file?" ...
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Abort makefile if variable not set

... :|check-defined-BAR Notice that the check-defined-BAR is listed as the order-only (|...) prerequisite. Pros: (arguably) a more clean syntax Cons: One can't specify a custom error message Running make -t (see Instead of Executing Recipes) will pollute your root directory with lots of check...
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How to align checkboxes and their labels consistently cross-browsers

... Not exactly true: The Label-for will allow users to click the label in order to check the checkbox, in addition to simply clicking the checkbox itself. It's quite handy for tying the two elements together. – EndangeredMassa Nov 20 '08 at 18:30 ...
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Get the name of an object's type

...stanceof Boolean // false The literals need to be wrapped in an Object in order for instanceof to work, for example new Number(3) instanceof Number // true The .constructor check works fine for literals because the . method invocation implicitly wraps the literals in their respective object type 3...
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How to remove RVM (Ruby Version Manager) from my system

...This will remove the rvm/ directory and all the rubies built within it. In order to remove the final trace of rvm, you need to remove the rvm gem, too: gem uninstall rvm If you've made modifications to your PATH you might want to pull those, too. Check your .bashrc, .profile and .bash_profile fil...
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How can I make a UITextField move up when the keyboard is present - on starting to edit?

...ke a viewing window on the content defined in the contentSize. So when in order for the UIScrollview to scroll anywhere, the contentSize must be greater than the UIScrollView. Else, there is no scrolling required as everything defined in the contentSize is already visible. BTW, default contentSiz...
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Is there a way to cache GitHub credentials for pushing commits?

...ou need to copy the git-credential-netrc anywhere in your path ($PATH), in order for git to be able to call 'credential-netrc'. – VonC Dec 22 '13 at 0:14 ...