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Remove blank lines with grep
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Try the following:
grep -v -e '^$' foo.txt
The -e option allows regex patterns for matching.
The single quotes around ^$ makes it work for Cshell. Other shells will be happy with either single or double quotes.
UPDATE: This works for me for a file with blank lines or "all white ...
Using TortoiseSVN how do I merge changes from the trunk to a branch and vice versa?
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The behavior depends on which version your repository has. Subversion 1.5 allows 4 types of merge:
merge sourceURL1[@N] sourceURL2[@M] [WCPATH]
merge sourceWCPATH1@N sourceWCPATH2@M [WCPATH]
merge [-c M[,N...] | -r N:M ...] SOURCE[@REV] [WCPATH]
merge --reintegrate SOURCE[@REV] [WCPATH]
Subvers...
Should Jquery code go in header or footer?
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All scripts should be loaded last
In just about every case, it's best to place all your script references at the end of the page, just before </body>.
If you are unable to do so due to templating issues and whatnot, ...
Eclipse does not highlight matching variables
...dow > preferences > java > editor > mark occurrences
Select all options available there.
Also go to:
Preferences > General > Editors > Text Editors > Annotations
Compare the settings for 'Occurrences' and 'Write Occurrences'
Make sure that you don't have the 'Text as ...
How do I update Node.js?
...tiple version of node on windows
download nvm-setup.zip extract and install it.
execute command nvm list available from cmd or gitbash or powershell, this will list all available version of node
use command nvm install version e.g. nvm install 12.14.0 to install on the machine
last once instal...
Is it possible to remove inline styles with jQuery?
...them; I want the stylesheet to take back control.
I could do it by storing all of its original values and then putting them back inline, but this solution feels much cleaner to me.
Here it is in plugin format:
(function($)
{
$.fn.removeStyle = function(style)
{
var search = new R...
Identifying the dependency relationship for python packages installed with pip
... freeze I see large number of Python packages that I didn't explicitly install, e.g.
8 Answers
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Android Studio - How to Change Android SDK Path
... You guys are mistaken. Android Studio isn't organized like ADT Eclipse at all. And this accepted answer leads to the exact same place as DheeB's answer (which brings you to a place that says: Android SDK location: This location will be used for new projects, and for existing projects that do not ha...
Custom CSS Scrollbar for Firefox
...ording to the spec. Both thin and a specific length may not do anything on all platforms, and what exactly it does is platform-specific. In particular, Firefox doesn't appear to be currently support a specific length value (this comment on their bug tracker seems to confirm this). The thin keywork d...
Way to get all alphabetic chars in an array in PHP?
Is there a way to get all alphabetic chars (A-Z) in an array in PHP so I can loop through them and display them?
14 Answers...