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'printf' vs. 'cout' in C++

...n printf; I'm just trying to say that you should make an informed decision based on real data, not a wild guess based on some common, misleading assumption. Update: Here's the full code I used for testing. Compiled with g++ without any additional options (apart from -lrt for the timing). #include ...
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iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...e //这里执行的是release模式下 #endif (2)__i386__ 与 __x86_64__ :用于模拟器环境和真机环境的判断。满足该条件的代码只在模拟器下执行。示例代码如下: #ifdefined(__i386__)||defined(__x86_64__) //模拟器下执行 #else //真机下执行...
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User Authentication in ASP.NET Web API

...uld have to secured resources controlled by the system. For example, a database management system might be designed so as to provide certain specified individuals with the ability to retrieve information from a database but not the ability to change data stored in the datbase, while giving other ind...
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How to import data from mongodb to pandas?

... 27017, database="db_tmp") columns = ["col1", "col2"] data_type = ["int64", "int64"] arrays = client.query("db_tmp", "coll", {}, columns, data_type) For 50000 records takes around 200s. – nishant Nov 27 '17 at 11:09 ...
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How do you delete a column by name in data.table?

... @user3969377 if you want to remove a column based on the contents of a character variable you'd simply wrap it in parenthesis. Ie. df[,(afoo):=NULL] – Dean MacGregor Jul 9 '15 at 19:26 ...
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vs.

...w-pane" frameborder="0" height="352" width="396" src="data:application/pdf;base64, ..DATAURLHERE!... "></iframe> share | improve this answer | follow ...
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Script entire database SQL-Server

...y I can get a scripting of all tables, procs, and other objects from a database? I know there's an option to script the database but it only gave me some sort of top level script, certainly not a script to create all tables, procs, udfs, .etc. ...
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How to record webcam and audio using webRTC and a server-based Peer connection

... You can use RecordRTC-together, which is based on RecordRTC. It supports recording video and audio together in separate files. You will need tool like ffmpeg to merge two files into one on server. ...
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Render HTML to an image

... @Subho it's a String containing the URL with base64-encoded data – tsayen Feb 14 '17 at 16:00  |  show 14 more c...
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Support for “border-radius” in IE

...t, allowing you to serve different style definitions to different browsers based on their capabilities. Obviously, these both add more overhead, but with IE9 due to only run on Vista/7 we might be stuck for quite awhile. As of August 2010 Windows XP still accounts for 48% of web client OSes. ...