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What is the most efficient way to loop through dataframes with pandas? [duplicate]

... The newest versions of pandas now include a built-in function for iterating over rows. for index, row in df.iterrows(): # do some logic here Or, if you want it faster use itertuples() But, unutbu's suggestion to use numpy functions to avoi...
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Python integer division yields float

... answered Aug 15 '09 at 21:51 Brandon E TaylorBrandon E Taylor 23.1k66 gold badges4343 silver badges6868 bronze badges ...
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Get the previous month's first and last day dates in c#

...k of an easy one or two liner that would get the previous months first day and last day. 10 Answers ...
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When do I use fabs and when is it sufficient to use std::abs?

I assume that abs and fabs are behaving different when using math.h . But when I use just cmath and std::abs , do I have to use std::fabs or fabs ? Or isn't this defined? ...
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Should a return statement be inside or outside a lock?

... that in some place in my code I have the return statement inside the lock and sometime outside. Which one is the best? 9 A...
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Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?

There is a case where a map will be constructed, and once it is initialized, it will never be modified again. It will however, be accessed (via get(key) only) from multiple threads. Is it safe to use a java.util.HashMap in this way? ...
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What is the difference between == and equals() in Java?

I wanted to clarify if I understand this correctly: 23 Answers 23 ...
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How to render a DateTime in a specific format in ASP.NET MVC 3?

... iterating an IEnumerable<T>. Creating a template is simple enough, and can provide a lot of flexibility too. Create a folder in your views folder for the current controller (or shared views folder) called DisplayTemplates. Inside that folder, add a partial view with the model type you want...
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Automatic TOC in github-flavoured-markdown

...ed two options to generate a toc for github-flavored-markdown: DocToc Command Line Tool (source) requires node.js Installation: npm install doctoc Usage: npx doctoc . to add table of contents to all markdown files in the current and all sub directories. DocToc WebApp If you want to try it on...
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Prevent “overscrolling” of web page

...n is problematic for both devices that don't respect the html styling hack and for mobile web browsers which look at the full overflow of body disregarding the height to which html was set. – runspired Jul 7 '15 at 19:46 ...