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How to insert a newline in front of a pattern?
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This works in bash and zsh, tested on Linux and OS X:
sed 's/regexp/\'$'\n/g'
In general, for $ followed by a string literal in single quotes bash performs C-style backslash substitution, e.g. $'\t' is translated to a literal tab. Plus, sed ...
A Space between Inline-Block List Items [duplicate]
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I have seen this and answered on it before:
After further research I have
discovered that inline-block is a
whitespace dependent method and
is dependent on the font setting. In this case 4px is rendered.
To avoid this you could run all ...
How to deal with INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES without uninstall?
...r developer's machine). Or, the old one is signed with your production key and the new one is signed with your debug key.
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JavaScript: How do I print a message to the error console?
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Install Firebug and then you can use console.log(...) and console.debug(...), etc. (see the documentation for more).
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How to keep environment variables when using sudo
When I use any command with sudo the environment variables are not there. For example after setting HTTP_PROXY the command wget works fine without sudo . However if I type sudo wget it says it can't bypass the proxy setting.
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How to drop columns by name in a data frame
I have a large data set and I would like to read specific columns or drop all the others.
11 Answers
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sed beginner: changing all occurrences in a folder
I need to do a regex find and replace on all the files in a folder (and its subfolders). What would be the linux shell command to do that?
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How can I add timestamp to logs using Node.js library Winston?
...k in this default case, I needed to either:
Remove the console transport and add again with the timestamp option.
Create your own Logger object with the timestamp option set to true.
The first:
var winston = require('winston');
winston.remove(winston.transports.Console);
winston.add(winston.tra...
vertical alignment of text element in SVG
...but it was off screen, so I used a CSS rule "alignment-baseline: hanging", and it did exactly what I was looking for, text at highest point in the SVG container, without a single pixel being offscreen.
– R. Hill
Apr 12 '13 at 15:06
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Load and execute external js file in node.js with access to local variables?
Is it easy/possible to do a simple include('./path/to/file') type of command in node.js?
6 Answers
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