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Search and replace in Vim across all the project files
I'm looking for the best way to do search-and-replace (with confirmation) across all project files in Vim. By "project files" I mean files in the current directory, some of which do not have to be open.
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How to install a gem or update RubyGems if it fails with a permissions error
... using gem install mygem or update RubyGems using gem update --system , and it fails with this error:
27 Answers
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How do I rename the extension for a bunch of files?
...o external calls), see one of the other answers.
The following would do and does not require the system to have the rename program (although you would most often have this on a system):
for file in *.html; do
mv "$file" "$(basename "$file" .html).txt"
done
EDIT: As pointed out in the comme...
How to kill a process running on particular port in Linux?
...omcat /bin directory. But found that the server was not closed properly. And thus I was unable to restart My tomcat is running on port 8080 .
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How to replace a whole line with sed?
...lish this:
sed -i "/aaa=/c\aaa=xxx" your_file_here
This will go through and find any lines that pass the aaa= test, which means that the line contains the letters aaa=. Then it replaces the entire line with aaa=xxx. You can add a ^ at the beginning of the test to make sure you only get the line...
JavaScript: Create and save file [duplicate]
I have data that I want to write to a file, and open a file dialog for the user to choose where to save the file. It would be great if it worked in all browsers, but it has to work in Chrome. I want to do this all client-side.
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Can I install Python 3.x and 2.x on the same Windows computer?
I'm running Windows and the shell/OS automatically runs Python based on the registry settings when you run a program on the command line. Will this break if I install a 2.x and 3.x version of Python on the same machine?
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SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”. error
...ove error came after updating the m2e to version 1.1. By removing m2e 1.1 and rolling back to m2e 1.0 everything worked fine. I tried to repeat the problem in Windows and Ubuntu and it gave me the exact same error. Numerous configurations of the slf4j-api and logback were tested but none seem to w...
Django MEDIA_URL and MEDIA_ROOT
I'm trying to upload an image via the Django admin and then view that image either in a page on the frontend or just via a URL.
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Unix command-line JSON parser? [closed]
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You can use this command-line parser (which you could put into a bash alias if you like), using modules built into the Perl core:
perl -MData::Dumper -MJSON::PP=from_json -ne'print Dumper(from_json($_))'
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