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CORS - What is the motivation behind introducing preflight requests?

... | edited Jun 5 '13 at 20:35 answered Jun 5 '13 at 16:36 ...
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How do I get a YouTube video thumbnail from the YouTube API?

... @clami219 that is false too - evidently works (2015-04) : i.ytimg.com/vi_webp/EhjdWfxjuHA/sddefault.webp, the truth: sddefault and maxresdefault ARE NOT ALWAYS AWAILABLE some videos has them though.... – jave.web Apr 14 '15 at 7:45 ...
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Does Python's time.time() return the local or UTC timestamp?

...omputer, converting it to a string as well. Python 2.7.3 (default, Apr 24 2012, 00:00:54) [GCC 4.7.0 20120414 (prerelease)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import time >>> ts = time.time() >>> print ts 1355563265.81 &g...
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Smart pointers: who owns the object? [closed]

... 20 For me, these 3 kinds cover most of my needs: shared_ptr - reference-counted, deallocation whe...
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Applicatives compose, monads don't

... answered Aug 15 '11 at 20:20 ConalConal 18k22 gold badges3434 silver badges4040 bronze badges ...
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Insert Update stored proc on SQL Server

.... For a quick answer try the following pattern. It will work fine on SQL 2000 and above. SQL 2005 gives you error handling which opens up other options and SQL 2008 gives you a MERGE command. begin tran update t with (serializable) set hitCount = hitCount + 1 where pk = @id if @@rowc...
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App Inventor 2 网络摄像头调用教程 - 通过API查看实时监控画面 · App Inventor 2 中文网

...ght: 14px; padding: 10px 7px; } .feedback-pop .feedback-img { width: 20px; height: 20px; margin-bottom: 3px; } } 文档反馈 切换 目录 在线 客服 扫码添加客服咨询 我要 分享 ...
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数据结构与本地数据库 03:增删改与 TinyDB 恢复 · App Inventor 2 中文网

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Seedable JavaScript random number generator

... return array[this.nextRange(0, array.length)]; } var rng = new RNG(20); for (var i = 0; i < 10; i++) console.log(rng.nextRange(10, 50)); var digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']; for (var i = 0; i < 10; i++) console.log(rng.choice(digits)); ...
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Image Greyscale with CSS & re-color on mouse-over?

...{ filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale"); /* Fi...