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Opacity of div's background without affecting contained element in IE 8?

...our instead. The CSS is fairly simple: .myelement { background: rgba(200, 54, 54, 0.5); } ...where the first three numbers are the red, green and blue values for your background colour, and the fourth is the 'alpha' channel value, which works the same way as the opacity value. See this page...
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Center a DIV horizontally and vertically [duplicate]

...it here working: http://jsbin.com/iquviq/30/edit .content { width: 200px; height: 600px; background-color: blue; position: absolute; /*Can also be `fixed`*/ left: 0; right: 0; top: 0; bottom: 0; margin: auto; /*Solves a ...
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REST HTTP status codes for failed validation or invalid duplicate

... 200,300, 400, 500 are all very generic. If you want generic, 400 is OK. 422 is used by an increasing number of APIs, and is even used by Rails out of the box. No matter which status code you pick for your API, someone wi...
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MongoDB仿关系型数据库Group聚合例子 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...ollection("GroupDemo").Save(CreateBsonDoc("u1", new DateTime(2015, 7, 22), 200)); db.GetCollection("GroupDemo").Save(CreateBsonDoc("u2", new DateTime(2015, 5, 22), 100)); db.GetCollection("GroupDemo").Save(CreateBsonDoc("u2", new DateTime(2015, 6, 22), 200)); ...
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【解决】phpMyAdmin 导入数据文件最大限制 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...,修改配置搞定: PHP上传文件大小限制upload_max_filesize = 200M http post发送文件大小限 /etc/php/7.0/apache2/php.ini 默认配置2M,即通过http post上传的文件最大2M,修改配置搞定: # PHP上传文件大小限制 upload_max_filesize = 200M # http post...
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GitHub README.md center image

...rl parameters and css. Markdown: ![A cute kitten](http://placekitten.com/200/300?style=centerme) And CSS: img[src$="centerme"] { display:block; margin: 0 auto; } You could create a variety of styling options this way and still keep the markdown clean of extra code. Of course you have no c...
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C++ performance vs. Java/C#

My understanding is that C/C++ produces native code to run on a particular machine architecture. Conversely, languages like Java and C# run on top of a virtual machine which abstracts away the native architecture. Logically it would seem impossible for Java or C# to match the speed of C++ because ...
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Return HTTP status code 201 in flask

...u are storing it in some variable like notfound = 404 invalid = 403 ok = 200 and using return xyz, notfound than time make sure its type is int not str. as I faced this small issue also here is list of status code followed globally http://www.w3.org/Protocols/HTTP/HTRESP.html Hope it helps....
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How can one check to see if a remote file exists using PHP?

...ch, CURLINFO_HTTP_CODE); // $retcode >= 400 -> not found, $retcode = 200, found. curl_close($ch); Anyway, you only save the cost of the HTTP transfer, not the TCP connection establishment and closing. And being favicons small, you might not see much improvement. Caching the result locally s...
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Best introduction to C++ template metaprogramming? [closed]

Static metaprogramming (aka "template metaprogramming") is a great C++ technique that allows the execution of programs at compile-time. A light bulb went off in my head as soon as I read this canonical metaprogramming example: ...