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Difference between String replace() and replaceAll()

What's the difference between java.lang.String 's replace() and replaceAll() methods, other than later uses regex? For simple substitutions like, replace . with / , is there any difference? ...
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How can I get the client's IP address in ASP.NET MVC?

I'm totally new to the ASP.NET MVC stack, and I was wondering what happened to the simple Page object and the Request ServerVariables object? ...
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站长投放广告绝对不做的事:Google Adsense和百度联盟广告违规分析 - 更多技...

...大小,将搜索结果或推广内容伪装成为论坛帖子、新闻、下载链接等正文内容,也就是所谓的“与正文混排”。当然并不是说不允许你将广告放在文章内页当中,百度对于这种投放广告的行为作了严格的规定: 1.禁止在违规的...
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Git commit date

...for the date string, is there a Git native way to report the date of a certain commit? 4 Answers ...
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Principal component analysis in Python

... Months later, here's a small class PCA, and a picture: #!/usr/bin/env python """ a small class for Principal Component Analysis Usage: p = PCA( A, fraction=0.90 ) In: A: an array of e.g. 1000 observations x 20 variables, 1000 rows x 20 colum...
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What is the most accurate way to retrieve a user's correct IP address in PHP?

.... In a few minutes I will update the code. – Corey Ballou Jan 9 '10 at 13:37 35 -1 this is vulne...
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How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]

... Apple platform" #endif #elif __linux__ // linux #elif __unix__ // all unices not caught above // Unix #elif defined(_POSIX_VERSION) // POSIX #else # error "Unknown compiler" #endif The defined macros depend on the compiler that you are going to use. The _WIN64 #ifdef can be nes...
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Reset C int array to zero : the fastest way?

... long long int or unsigned long long int, what is the fastest way to reset all its content to zero (not only for initialization but to reset the content several times in my program)? Maybe with memset? ...
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How to convert JSON data into a Python object

...ry, the order of items will directly correspond.". Good to know for such small, local code blocks. I'd add a comment though to explicitly alert maintainers of code of such a dependency. – cfi Jun 1 '16 at 7:33 ...
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What are some (concrete) use-cases for metaclasses?

...a couple functions I found that I was able to increment the figure count, call draw manually, etc, but I needed to do these before and after every plotting call. So to create both an interactive plotting wrapper and an offscreen plotting wrapper, I found it was more efficient to do this via metacla...