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Server is already running in Rails
...TL;DR Just Run this command to Kill it
sudo kill -9 $(lsof -i :3000 -t)
Root Cause:
Because PID is locked in a file and web server thinks that if that file exists then it means it is already running. Normally when a web server is closed that file is deleted, but in some cases, proper deletion doe...
Removing pip's cache?
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On Ubuntu, I had to delete /tmp/pip-build-root.
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How do I delete a local repository in git? [duplicate]
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Delete the .git directory in the root-directory of your repository if you only want to delete the git-related information (branches, versions).
If you want to delete everything (git-data, code, etc), just delete the whole directory.
.git directories are hi...
CSS margin terror; Margin adds space outside parent element [duplicate]
...llapse their top margins with their parent block’s bottom margin.)
the root element
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How do I update a Python package?
...l
sudo pip install [package_name] --upgrade
sudo will ask to enter your root password to confirm the action.
Note: Some users may have pip3 installed instead. In that case, use
sudo pip3 install [package_name] --upgrade
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Compile, Build or Archive problems with Xcode 4 (and dependencies)
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Holy crap on number 1. The quotes! Environment $(SRC_ROOT) of course, "may" resolve with a path with spaces. Could not figure out why zipping my project and extracting elsewhere resulted in a build failure!
– Erik Kerber
May 31 '13 at 16:...
Force LF eol in git repo and working copy
...vior of text=auto together with eol=lf. Source.
.gitattributes file in the root of your git repository:
* text=auto eol=lf
Add and commit it.
Afterwards, you can do following to steps and all files are normalized now:
git rm --cached -r . # Remove every file from git's index.
git reset --hard ...
Unable to show a Git tree in terminal
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Or you could scp ~/.bashrc root@remote:~/ and your aliases move over real quick.
– Adminy
May 15 '19 at 13:28
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Can't update Macports (with Mac OS X Mavericks)
...talling new version 2.2.1
Installing new MacPorts release in /opt/local as root:admin; permissions 0755; Tcl-Package in /Library/Tcl
Error: /opt/local/bin/port: port selfupdate failed: Error installing new MacPorts base: command execution failed
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Version of SQLite used in Android?
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/system/bin/sh: sqlite3: not found This is on rooted Android 4.0.2 device
– Pointer Null
May 21 '12 at 12:35
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