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How do I calculate percentiles with python/numpy?

Is there a convenient way to calculate percentiles for a sequence or single-dimensional numpy array? 11 Answers ...
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How to execute shell command in Javascript

...Except for one thing. You'll get the error "child is not a function". The call to exec() executes the command - no need to call child(). Unfortunately, the callback isn't called whenever the child process has something to output - it is called only when the child process exits. Sometimes that's OK a...
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Behaviour of final static method

...ng(not subject to polymorphism) the ts() of A but it will hide it. If you call ts() in B (NOT A.ts() or B.ts() ... just ts()), the one of B will be called and not A. Since this is not subjected to polymorphism, the call ts() in A will never be redirected to the one in B. The keyword final will disa...
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Scraping html tables into R data frames using the XML package

...t) theurl <- getURL("https://en.wikipedia.org/wiki/Brazil_national_football_team",.opts = list(ssl.verifypeer = FALSE) ) tables <- readHTMLTable(theurl) tables <- list.clean(tables, fun = is.null, recursive = FALSE) n.rows <- unlist(lapply(tables, function(t) dim(t)[1])) the picked tab...
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Socket send函数和recv函数详解以及利用select()函数来进行指定时间的阻塞 ...

Socket send函数和recv函数详解以及利用select()函数来进行指定时间的阻塞int send( SOCKET s, const char FAR *buf, int len, int flags ); 不论是客户还是服务器应用程序都用send函数来向TCP连接的...int send( SOCKET s, const char FAR *buf, int len, int flags ); ...
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how to solve “ruby installation is missing psych” error?

I used rvm to install ruby 1.9.3. even though it was successfully installed, it complained about libyaml. and now every time i wanna install a gem (say rails) this warning shows up: ...
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Does PNG contain EXIF data like JPG?

I was wondering if PNG contains data like the following? 6 Answers 6 ...
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Merging: Hg/Git vs. SVN

...it or Mercurial there is no technical difference between trunk and branch: all branches are created equal (there might be social difference, though). Merging in either direction is done the same way. You need to provide new -g (--use-merge-history) option to svn log and svn blame to take merge trac...
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.gitignore after commit [duplicate]

...o keep the local copy but remove from the repo. ) So if you want to remove all the exe's from your repo do git rm --cached /\*.exe (Note that the asterisk * is quoted from the shell - this lets git, and not the shell, expand the pathnames of files and subdirectories) ...
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How to get file creation & modification date/times in Python?

...ing some sort of modification date in a cross-platform way is easy - just call os.path.getmtime(path) and you'll get the Unix timestamp of when the file at path was last modified. Getting file creation dates, on the other hand, is fiddly and platform-dependent, differing even between the three big ...