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Regular expression for matching HH:MM time format

I want a regexp for matching time in HH:MM format. Here's what I have, and it works: 19 Answers ...
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Selecting pandas column by location

I'm simply trying to access named pandas columns by an integer. 5 Answers 5 ...
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Add column with constant value to pandas dataframe [duplicate]

Given a DataFrame: 4 Answers 4 ...
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How to make good reproducible pandas examples

Having spent a decent amount of time watching both the r and pandas tags on SO, the impression that I get is that pandas questions are less likely to contain reproducible data. This is something that the R community has been pretty good about encouraging, and thanks to guides like this , newc...
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How to format a number as percentage in R?

One of the things that used to perplex me as a newby to R was how to format a number as a percentage for printing. 10 Answe...
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C# Regex for Guid

I need to parse through a string and add single quotes around each Guid value. I was thinking I could use a Regex to do this but I'm not exactly a Regex guru. ...
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Why does changing 0.1f to 0 slow down performance by 10x?

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Finding current executable's path without /proc/self/exe

It seems to me that Linux has it easy with /proc/self/exe. But I'd like to know if there is a convenient way to find the current application's directory in C/C++ with cross-platform interfaces. I've seen some projects mucking around with argv[0], but it doesn't seem entirely reliable. ...
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Is object empty? [duplicate]

What is the fastest way to check if an object is empty or not? 23 Answers 23 ...
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Concatenate two slices in Go

I'm trying to combine the slice [1, 2] and the slice [3, 4] . How can I do this in Go? 7 Answers ...