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Regular expression for floating point numbers

...ping can get very confusing. If the language you are working with supports raw strings, then you should use those to cut down on the number of backslashes, but not all languages do (most notably: Java). Fortunately, there's an alternative that will work some of the time: String correctPattern = "[....
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How do I split a string so I can access item x?

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How can I get nth element from a list?

How can I access a list by index in Haskell, analog to this C code? 6 Answers 6 ...
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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets

...Bandwidth in decreasing efficiency: Plugin networking: Flash sockets are raw except for initial policy request WebSockets: connection setup handshake and a few bytes per frame HTTP streaming (re-use of server connection) HTTP long-poll: connection for every message HTTP poll: connection for every ...
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How fast is D compared to C++?

... -boundscheck=off <sourcefile> Results The results (screenshot of raw console output) of each version of the source as follows: scalar.cpp (original C++): allocation: 2 ms random generation: 12 ms result: 29248300000 time: 2582 ms C++ sets the standard at 2582 ms. scalar.d (modifi...
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Execute command on all files in a directory

Could somebody please provide the code to do the following: Assume there is a directory of files, all of which need to be run through a program. The program outputs the results to standard out. I need a script that will go into a directory, execute the command on each file, and concat the output int...
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How to set default value for form field in Symfony2?

Is there an easy way to set a default value for text form field? 22 Answers 22 ...
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【App Inventor 2 数据可视化】使用柱状图和饼图收集数据 - App应用开发 - ...

...//mc.dfrobot.com.cn/thread-316532-1-1.html 文章aia源码如下: [hide][/hide] 资源地址:https://drive.google.com/drive/f ... 0BGKOaa?usp=sharing(如打不开可以直接在附件中下载) 数据在行动1:使用柱状图和饼图收集数据跟踪我的情绪这个渐进...
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An ASP.NET setting has been detected that does not apply in Integrated managed pipeline mode

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What is the correct SQL type to store a .Net Timespan with values > 24:00:00?

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