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How do I get the difference between two Dates in JavaScript?

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How can i take an UIImage and give it a black border?

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how does Array.prototype.slice.call() work?

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Declaration/definition of variables locations in ObjectiveC?

... 154 I can understand your confusion. Especially since recent updates to Xcode and the new LLVM com...
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HTTP status code for a partial successful request

... for you. If you do, you could do something like so: <?xml version="1.0" encoding="utf-8" ?> <D:multistatus xmlns:D='DAV:'> <D:response> <D:user>user-123</D:user> <D:status>success</D:status> </D:response> <D:resp...
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MongoDB数据导出导入工具:mongoexport,mongoimport - 大数据 & AI - 清泛...

...d exit -h [ --host ] arg mongo host to connect to ( <set name>/s1,s2 for sets) --port arg server port. Can also use --host hostname:port --ipv6 enable IPv6 support (disabled by default) -u [ --username ] arg username -p [ --password ] arg ...
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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c

... One of the largest Git projects, the Linux kernel, is beginning to need 12 characters out of the possible 40 to stay unique. 7 digits is the Git default for a short SHA, so that's fine for most projects. The Kernel team have increased theirs several times, as mentioned, because the have sever...
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Bash function to find newest file matching pattern

...ameter -t to sort by time. You can then grab the first (newest) with head -1. ls -t b2* | head -1 But beware: Why you shouldn't parse the output of ls My personal opinion: parsing ls is only dangerous when the filenames can contain funny characters like spaces or newlines. If you can guarantee t...
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What is the difference between the $parse, $interpolate and $compile services?

... | edited Jun 10 '14 at 11:21 ghickman 5,20366 gold badges3434 silver badges5050 bronze badges ...
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How can I save an image to the camera roll?

... | edited Jan 4 '13 at 22:14 smileyborg 28.9k99 gold badges5757 silver badges7272 bronze badges ...