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Applying a function to every row of a table using dplyr?

...singly not recommended, although lots of people seem to find it intuitive. Do yourself a favour and go through Jenny Bryan's Row-oriented workflows in R with the tidyverse material to get a good handle on this topic. The most straightforward way I have found is based on one of Hadley's examples usi...
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What does Maven do, in theory and in practice? When is it worth to use it? [closed]

...ut to start a Java project just for practice. I've read about Maven, but I don't actually understand when it is meant to be used. ...
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Relative imports in Python 2.7

...g that file from somewhere else. Just knowing what directory a file is in does not determine what package Python thinks it is in. That depends, additionally, on how you load the file into Python (by running or by importing). There are two ways to load a Python file: as the top-level script, or as...
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How do I exit from the text window in Git?

I am using Windows and before committing, Git wants me to enter a text message and a new text window appears. 7 Answers ...
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How do I change the font size of a UILabel in Swift?

... You can do it like this: label.font = UIFont(name: label.font.fontName, size: 20) Or like this: label.font = label.font.withSize(20) This will use the same font. 20 can be whatever size you want of course. Note: The latter opt...
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git: abort commit in the middle of typing message

...mmit message into one of vim's buffers. It's worth noting that you really don't have to do this at all: commit --amend lets you alter the commit after it's made, so the easy solution is to produce the commit with what you've got and then fix it before pushing. You can even just finish the commit in...
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Parsing a CSV file using NodeJS

With nodejs I want to parse a .csv file of 10000 records and do some operation on each row. I tried using http://www.adaltas.com/projects/node-csv . I couldnt get this to pause at each row. This just reads through all the 10000 records. I need to do the following: ...
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How to un-submodule a Git submodule?

...dule" If you also want to preserve the history of the submodule, you can do a small trick: "merge" the submodule into the main repository so that the result will be the same as it was before, except that the submodule files are now in the main repository. In the main module you will need to do th...
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How do I move a tab in Notepad++ to a new window?

How do I move a tab in Notepad++ to a new window? (EDIT: The Move to New Instance option is disabled, how do I enable it?) ...
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“is” operator behaves unexpectedly with integers

Why does the following behave unexpectedly in Python? 11 Answers 11 ...