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Set value for particular cell in pandas DataFrame using index

...faster than the options I've suggested below. However, it has been slated for deprecation. Going forward, the recommended method is .iat/.at. Why df.xs('C')['x']=10 does not work: df.xs('C') by default, returns a new dataframe with a copy of the data, so df.xs('C')['x']=10 modifies this new...
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How does zip(*[iter(s)]*n) work in Python?

How does zip(*[iter(s)]*n) work? What would it look like if it was written with more verbose code? 6 Answers ...
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Cannot set content-type to 'application/json' in jQuery.ajax

... It would seem that removing http:// from the url option ensures the the correct HTTP POST header is sent. I dont think you need to fully qualify the name of the host, just use a relative URL as below. $.ajax({ type: "POST", contentType: "application/json", url: '/Hello', ...
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.gitignore exclude folder but include specific subfolder

I have the folder application/ which I add to the .gitignore . Inside the application/ folder is the folder application/language/gr . How can I include this folder? ...
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Best way to get application folder path

... AppDomain.CurrentDomain.BaseDirectory is probably the most useful for accessing files whose location is relative to the application install directory. In an ASP.NET application, this will be the application root directory, not the bin subfolder - which is pr...
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Are Javascript arrays sparse?

...ally fall back to a sparse implementation - most likely the same one used for property access of regular objects - if using an actual array would be inefficient. You'll have to ask someone with more knowledge about specific implementations to answer what excatly triggers the shift from dense to spa...
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Is this a “good enough” random algorithm; why isn't it used if it's faster?

... Your QuickRandom implementation hasn't really an uniform distribution. The frequencies are generally higher at the lower values while Math.random() has a more uniform distribution. Here's a SSCCE which shows that: package com.stackoverflow.q14491966; import java.util.Arrays; ...
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LINQ: Not Any vs All Don't

... Implementation of All according to ILSpy (as in I actually went and looked, rather than the "well, that method works a bit like ..." I might do if we were discussing the theory rather than the impact). public static bool All<TSource>(this IEnu...
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Base constructor in C# - Which gets called first? [duplicate]

Which gets called first - the base constructor or "other stuff here"? 13 Answers 13 ...
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What do parentheses surrounding an object/function/class declaration mean? [duplicate]

... outside the function, making it truly private. See: http://en.wikipedia.org/wiki/Closure_%28computer_science%29 http://peter.michaux.ca/articles/javascript-namespacing share | improve this answe...