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New session : tmux
Attach to a session : tmux a
Detach : Ctrl+b d
Scroll : Ctrl+b PgUp/PgDown (quit with q) also can use mouse after first page up or down
Copy mode : Ctrl+b [ (quit with q)
Split horizontally : Ctrl+b “
Split vertically : Ctrl+b %
Switch pane : Ctrl+b arrow key
Resize pane : Hold Ctrl+b + arrow keys
install xclip so buffer copied insied tmux are also available to X : sudo apt-get install xclip
Assume we have access to the wifi at work and at home. How can I configure my laptop to automatically connect to the right network without using a graphical network manager ? Welcome guessnet !
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Back in 2005, long before they began approaching $10 billion in annual revenue, everyone thought that Facebook was a cool app, but no one thought that it would ever make any money. Observers laughed at the idea that Facebook could be a real business.
With that backdrop of doubters and detractors, Noah Kagan, employee #30 at Facebook, pitched Mark Zuckerberg with what he thought was a genius idea: prove the Facebook skeptics wrong and show them that the fledgling startup could make real money.
For example, to substitute foo with bar
for f in `grep -lR foo`; do echo -n ">> $f"; sed 's/foo/bar/g' $f > $f.tmp ; mv $f.tmp $f ; echo " done."; done
- 1) for loops on all files containing the text “foo”, grep -l only show the file name with corresponding text inside.
- 3) sed replace foo with bar in all file
- 4) mv save the modification (delete if you don’t want to overwrite the original files, the modified files is named with .tmp at the end)
- 2) & 5) echo: which file is treated
The fastest and more efficient way to batch multiple files encoding conversion :
vim +"argdo se fileencoding=utf-8 | w | bnext" +"q" ` find . -type f -name "*.rsp" `
+”argdo” : execute the following vim commands for each file (filencode, save and next buffer)
+”q” : quit after last one
find : get all files with corresponding name
If you have some files that you need to have in your repo but don’t need to have updates, git allows it :
git update-index --skip-worktree <FILES>
Then a “git status” won’t show those files until you do :
git update-index --no-skip-worktree <FILES>
To show the skipped files :
git ls-files -v . | grep ^S
–skip-worktree is a better solution than –assume-unchanged because status will not get lost once an upstream change is pulled.