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Apply multiple functions to multiple groupby columns
The docs show how to apply multiple functions on a groupby object at a time using a dict with the output column names as the keys:
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How can I get a Bootstrap column to span multiple rows?
I'm trying to figure out how to do the following grid with Bootstrap.
5 Answers
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What breaking changes are introduced in C++11?
I know that at least one of the changes in C++11 that will cause some old code to stop compiling: the introduction of explicit operator bool() in the standard library, replacing old instances of operator void*() . Granted, the code that this will break is probably code that should not have been v...
Fitting empirical distribution to theoretical ones with Scipy (Python)?
INTRODUCTION : I have a list of more than 30,000 integer values ranging from 0 to 47, inclusive, e.g. [0,0,0,0,..,1,1,1,1,...,2,2,2,2,...,47,47,47,...] sampled from some continuous distribution. The values in the list are not necessarily in order, but order doesn't matter for this problem.
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Recommended way to get hostname in Java
Which of the following is the best and most portable way to get the hostname of the current computer in Java?
11 Answers
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CSS filter: make color image with transparency white
I have a colored png image with transparency. I would like to use css filter to make the whole image white but leave the transparency as it is.
Is that possible in CSS?
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Recommended way to save uploaded files in a servlet application
I read here that one should not save the file in the server anyway as it is not portable, transactional and requires external parameters. However, given that I need a tmp solution for tomcat (7) and that I have (relative) control over the server machine I want to know :
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Reduce, fold or scan (Left/Right)?
When should I use reduceLeft , reduceRight , foldLeft , foldRight , scanLeft or scanRight ?
3 Answers
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Using WebAPI or MVC to return JSON in ASP.NET
I'm building an ASP.NET MVC application that is client-script heavy, it will use JSON and jQuery to manipulate the DOM.
6 A...
When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
Can someone tell me when and where I need to use begin and end blocks in SQL Server?
Also, what exactly does the Go keyword do?
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