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Define all functions in one .R file, call them from another .R file. How, if possible?

How do I call functions defined in abc.R file in another file, say xyz.R? 1 Answer 1 ...
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How to correctly display .csv files within Excel 2013?

It seems Excel 2013 doesn't read CSV files correctly (Excel 2010 does). Every time I open .csv files, all my data are displayed in the first column. ...
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How do I fix a merge conflict due to removal of a file in a branch?

... the branch you are merging to). So you have to decide whether remove file using "git rm res/layout/dialog_item.xml" or accept version from HEAD (perhaps after editing it) with "git add res/layout/dialog_item.xml" Then you finalize merge with "git commit". Note that git will warn you tha...
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How to convert a PNG image to a SVG? [closed]

... potrace does not support PNG as input file, but PNM. Therefore, first convert from PNG to PNM: convert file.png file.pnm # PNG to PNM potrace file.pnm -s -o file.svg # PNM to SVG Explain options potrace -s => Output file is SVG potrace -o file.sv...
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Caveats of select/poll vs. epoll reactors in Twisted

... cost of a select call goes roughly with the value of the highest numbered file descriptor you pass it. If you select on a single fd, 100, then that's roughly twice as expensive as selecting on a single fd, 50. Adding more fds below the highest isn't quite free, so it's a little more complicated t...
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How to delete multiple files at once in Bash on Linux?

I have this list of files on a Linux server: 7 Answers 7 ...
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Checking for a dirty index or untracked files with Git

... 2> /dev/null | tail -n1) != "" ]] && echo "*" } For untracked files (Notice the --porcelain flag to git status which gives you nice parse-able output): # Returns the number of untracked files function evil_git_num_untracked_files { expr `git status --porcelain 2>/dev/null| grep "...
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SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'

.... You can start by putting # -*- coding: utf-8 -*- at the top of your .py file. To get more advanced, you can also define encodings on a string by string basis in your code. However, if you are trying to put the pound sign literal in to your code, you'll need an encoding that supports it for the ...
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How do I append text to a file?

What is the easiest way to append text to a file in Linux? 4 Answers 4 ...
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Get current batchfile directory

...nly variable %CD% keeps the path of the caller of the batch, not the batch file location. You can get the name of the batch script itself as typed by the user with %0 (e.g. scripts\mybatch.bat). Parameter extensions can be applied to this so %~dp0 will return the Drive and Path to the batch script ...