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Difference between map, applymap and apply methods in Pandas

Can you tell me when to use these vectorization methods with basic examples? 10 Answers ...
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Count number of occurrences of a pattern in a file (even on same line)

When searching for number of occurrences of a string in a file, I generally use: 5 Answers ...
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Python: avoid new line with print command [duplicate]

I've started programming today and have this issue with Python. It's pretty dumb but I can't figure out how to do it. When I use the print command, it prints whatever I want and then goes to a different line. For example: ...
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How to render and append sub-views in Backbone.js

I have a nested-View setup which can get somewhat deep in my application. There are a bunch of ways I could think of initializing, rendering and appending the sub-views, but I'm wondering what common practice is. ...
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Scoping in Python 'for' loops

I'm not asking about Python's scoping rules; I understand generally how scoping works in Python for loops. My question is why the design decisions were made in this way. For example (no pun intended): ...
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Commenting multiple lines in DOS batch file

I have written huge MS DOS Batch file. To test this batch file I need to execute some lines only and want to hide/comment out remaining. ...
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Absolute vs relative URLs

I would like to know the differences between these two types of URLs: relative URLs (for pictures, CSS files, JS files, etc.) and absolute URLs. ...
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?

After conducting some experiments on square matrices of different sizes, a pattern came up. Invariably, transposing a matrix of size 2^n is slower than transposing one of size 2^n+1 . For small values of n , the difference is not major. ...
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How can I get Visual Studio 2008 Windows Forms designer to render a Form that implements an abstract

I engaged a problem with inherited Controls in Windows Forms and need some advice on it. 10 Answers ...
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Get the length of a String

How do you get the length of a String ? For example, I have a variable defined like: 41 Answers ...