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“On-line” (iterator) algorithms for estimating statistical median, mode, skewness, kurtosis?

...r-moment statistics. Median Median is tough without sorted data. If you know, how many data points you have, in theory you only have to partially sort, e.g. by using a selection algorithm. However, that doesn't help too much with billions of values. I would suggest using frequency counts, see the ...
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How to override the copy/deepcopy operations for a Python object?

...se where pickling and copying need to be different. In fact, I don't even know why copy tries to use the pickling protocol by default. Copying is for in-memory manipulation, pickling is for cross-epoch persistence; they are completely different things that bear little relation to each other. ...
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Static Indexers?

... get => new object(); set => // set something } } Now you can call Utilities.ConfigurationManager["someKey"] using indexer notation. share | improve this answer | ...
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jQuery trigger file input

...gger an upload box (browse button) using jQuery. The method I have tried now is: 21 Answers ...
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Create web service proxy in Visual Studio from a WSDL file

...e C:\Documents and Settings[user]\Desktop\Webservice1.asmx, Click Next 4) Now you will see the functions appear, choose your name for the reference, Click add reference 5) You are done! you can start using it as a namespace in your application don't worry that you used a local file, because anyway...
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What's the difference between “Solutions Architect” and “Applications Architect”? [closed]

...ect. Application architects also often mentor and/or lead developers, and know the code of their responsible application(s) well. When an organization has so many applications and infrastructure inter-dependencies that it is a full-time job to ensure their alignment and strategy without being involv...
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How to prevent gcc optimizing some statements in C?

... memory stores and loads. One purpose of volatile is to let the compiler know that the memory access has side effects, and therefore must be preserved. In this case, the store has the side effect of causing a page fault, and you want the compiler to preserve the page fault. This way, the surround...
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Detecting 'stealth' web-crawlers

... bots can execute Javascript now...it's 2013 for christ sakes. so there goes the whole argument. who says web crawlers visits sites in sequential selections? another huge assumption. – KJW Oct 9 '13 at 0:34 ...
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Sending HTML email using Python

...ls.encode(htmlin, pout, 'quoted-printable') htmlin.close() # # Now that we're done, close our writer and # return the message body # writer.lastpart() msg = out.getvalue() out.close() print msg return msg if __name__=="__main__": import smtplib html =...
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Latex Remove Spaces Between Items in List

... I would also like to add that the nolistsep option is now deprecated, and that its successor is nosep, which "kills all vertical spacing". – larsac07 May 15 '16 at 18:48 ...