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Print all but the first three columns
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awk '{for(i=1;i<4;i++) $i="";print}' file
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How do I verify/check/test/validate my SSH passphrase?
...x, you might also want to check the context of the home directory and .ssh files! I was lucky enough to be able to use this simple fix: # restorecon -R -v /home/user To check if this is the problem (though the preceding command shouldn't cause any issues), you can use $ ls -lZR <home_dir> to e...
Why should we include ttf, eot, woff, svg,… in a font-face
...fted and accepted, which improves the compression, leading to even smaller files, along with the ability to load a single font "in parts" so that a font that supports 20 scripts can be stored as "chunks" on disk instead, with browsers automatically able to load the font "in parts" as needed, rather ...
How to set size for local image using knitr for markdown?
I have a local image that I would like to include in an .Rmd file which I will then knit and convert to HTML slides with Pandoc . Per this post , this will insert the local image :
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How can I perform a `git pull` without re-entering my SSH password?
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If you use a password (not a passphrase with key file) for an SSH-based URL of a remote Git repo, you cannot save the password at all. But I noticed that after issuing any git command, you can immediately type the password and press Enter. You don't need to wait for the pas...
How do I close all open tabs at once?
... use :x never never never. You'll screw up some day and do :X encrypt your file, and you won't know the key.
– Aaron McMillin
Apr 24 '12 at 20:41
29
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sprintf like functionality in Python
...er to do lots of processing, format and finally write the buffer in a text file using a C-style sprintf functionality in Python. Because of conditional statements, I can’t write them directly to the file.
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What is the difference between task and thread?
...More on that in a moment.) If the value you are waiting for comes from the filesystem or a database or the network, then there is no need for a thread to sit around and wait for the data when it can be servicing other requests. Instead, the Task might register a callback to receive the value(s) when...
How do you print in Sublime Text 2
... mac with "brew install enscript"; 2.Downloaded and put the PackageControl file into ~/Library/Application\ Support/Sublime\ Text\ 3/Installed\ Packages ; 3.Used Tools/Command palatte / Install package / Simple print; 4.The menus show up but it doesn't work.
– AnneTheAgile
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How can I convert this foreach code to Parallel.ForEach?
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string[] lines = File.ReadAllLines(txtProxyListPath.Text);
List<string> list_lines = new List<string>(lines);
Parallel.ForEach(list_lines, line =>
{
//Your stuff
});
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