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Is Java Regex Thread Safe?

...= email_pattern.matcher(email); return matcher.matches(); } } see http://zoomicon.wordpress.com/2012/06/01/validating-e-mails-using-regular-expressions-in-java/ (near the end) regarding the RegEx pattern used above for validating e-mails (in case it doesn't fit ones needs for e-mail validat...
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Saving a Numpy array as an image

...ave is now deprecated in the newer versions of Scipy. An alternative a few comments below is to use imageio.imwrite('image_file.jpg', array) – Psi-Ed May 3 at 6:17 add a comme...
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Is it possible in SASS to inherit from a class in another file?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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Count characters in textarea

...re. <!DOCTYPE html> <html> <head> <script src="http://code.jquery.com/jquery-1.5.js"></script> <script> function countChar(val) { var len = val.value.length; if (len >= 500) { val.value = val.value.substring(0, 500); ...
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Disable output buffering

... edited Jun 20 at 9:12 Community♦ 111 silver badge answered Sep 20 '08 at 9:24 SebSeb ...
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Autoreload of modules in IPython [duplicate]

... There is an extension for that, but I have no usage experience yet: http://ipython.scipy.org/ipython/ipython/attachment/ticket/154/ipy_autoreload.py share | improve this answer | ...
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Export a graph to .eps file with R

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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Difference between socket and websocket?

... from browsers connecting to Application Server over a protocol similar to HTTP that runs over TCP/IP. So they are primarily for Web Applications that require a permanent connection to its server. On the other hand, plain sockets are more powerful and generic. They run over TCP/IP but they are not r...
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C/C++中的段错误(Segmentation fault) - C/C++ - 清泛网 - 专注C/C++及内核技术

... 另外,这里有个基本上对照的中文解释,来自http://www.linux999.org/html_sql/3/132559.htm 所谓的段错误 就是指访问的内存超出了系统所给这个程序的内存空间,通常这个值是由gdtr来保存的,他是一个48位的寄存器,...
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JSONDecodeError: Expecting value: line 1 column 1 (char 0)

... With the requests lib JSONDecodeError can happen when you have an http error code like 404 and try to parse the response as JSON ! You must first check for 200 (OK) or let it raise on error to avoid this case. I wish it failed with a less cryptic error message. NOTE: as Martijn Pieters st...