Instead, use sudo mv xxxx ~/trash.
git clone https://github.com/VundleVim/Vundle.vim.git ~/.vim/bundle/Vundle.vim- In vim
:PluginInstall
sudo apt-get -y install vim-nox vim-gtk vim-gnome vim-athena
Error handling: sudo chown -R yangz:yangz /home/yangz/.cache/neocomplete/
- MacOS:
- cmd + option + h: hide all applications except for the current one.
- Uninstall plugin through Vundle:
- delete the line for that plugin;
- restart vim
:BundleClean
- NerdTree:
- shift + c: zoom into select folder
- u: zoom out to root folder
- m: folder operations, ESC: exit fold operations mode
- i: open new vertical windown for selected file
- s: open new horizonal window for selected file
- t: open new tab for selected file
- r: refresh current directory
- R: refresh root directory
- Ctags:
- ctags -R . : generate tags file
- ctrl + ]: jump to definition
- ctrl + o/t: jump back
- Tagbar:
- F10 in visual mode: show tagbar
- F10 in edit mode: switch into paste mode
- Nerdcommenter:
- ,cc: comment one line or the selected text in the visual mode
- ,cu: uncomment one line or the selected text in the visual mode
- Vim-Airline:
- ctrl + n: next buffer
- ctrl + m: previous buffer
- Ctrlp.vim:
- ctrl + p: search
- Esc: exit search mode
- ctrl + t: new tab for the selected file
- gDoc:
- shift + cmd + x: strikethrough
- Git:
- branck management:
- git branch branch_name: create a new branch
- git checkout branch_name: switch to the new branch
- git checkout -b branch_name: create and switch to a new branch
- git checkout master, git merge branch_name: merge a branch to the master
- git checkout --track origin/newsletter: git checkout for Remote Branches
- handling a wrong
git add:- git status: check added files
- git reset HEAD: revoke last adding
- git reset HEAD xxx.file: revoke last adding for xxx.file
- handling a wrong
git commit:- git log: check commit_id and log
- revert: use new commit to rollback previous commit:
- git revert HEAD: revoke last commit
- git revert HEAD: revoke last two commits
- git revert commit_id: revoke to the commit_id
- reset - directly delete previous commit:
- git reset commit_id: revoke last commit, but the code remained modified
- git reset -hard commit_id: revoke last commit, and the code is restored to the last commit.
- setup remote url:
- git remote add origin url
- change remote url:
- git remote -v: View existing remotes
- origin https://github.com/user/repo.git (fetch)
- origin https://github.com/user/repo.git (push)
- git remote set-url origin https://github.com/user/repo2.git: Change the 'origin' remote's URL
- git remote -v: Verify new remote URL
- origin https://github.com/user/repo2.git (fetch)
- origin https://github.com/user/repo2.git (push)
- git remote -v: View existing remotes
- forcely overwrite local changes:
- git reset --hard HEAD
- git pull
- During pulling, if you what to remove all local changes from your working copy, simply stash them:
- git stash save --keep-index
- If you don't need them anymore, you now can drop that stash:
- git stash drop
- Another way to remove local changes:
- git checkout HEAD^ file/to/overwrite
- git pull
- remove files completely from commit histroy:
- git filter-branch --index-filter "git rm -rf --cached --ignore-unmatch path_to_file" HEAD
- git lfs
- git lfs track giant.file
- git add .gitattributes
- git add giant.file
- branck management:
- Vim:
- ctrl + w + w/h/j/k/l: jump among windows
- gt and gT: tab switch
- o: go to next line with edit mode
- u: cancel
- ctr + r: cancel last u
- :tabe xx.file: open a new tab for this file
- dd: delete one line
- yy: copy one line
- w: word end; b: word start
- ^: line header; $: line tail
- gg: file header; G: file tail
- :bd: close current vim buffer
- Byobu
- F2: new tab
- alt + <-/->: switch tabs
- ctrl + a + %: new horizonal window
- shift + F2: new vertical window
- shift + alt + directionKeys: resize current selected windown
- F6: pause byobu
- F7: enter into view mode; q: exit view mode
- F8: rename current tab
- F9: configuration
- type exit: close current tab or window
- Linux commands:
- tail -f xxx.file: monitor the file change
- watch -d -n 0.1 cmd: periodically execute cmd (here the period is 0.1s)
- sudo du -h --max-depth=1 | sort -hr: show the sizse of sub-directories in current directory.
- df -h: show the dist usage
- Vimium:
- j/k: scroll down/up the page by one line
- u/d: scroll down/up the page by half page
- shift + j/k: jump among different tabs (I highly recommend using cmd + opt + <-/->)
- shift + h/l: backward/forward the page
- o/O: open a google search box in the current/new tab
- shift + t: open a search box for all the opened tab
- ?: show shortcuts
- gg: return to the top
- G: jump to the bottom
- gi: locate to the input box of current page
- Chrome:
- cmd + 1
8: switch to the leftmost 18 tab - cmd + 9: switch to the rightmost tab
- cmd + 1
- Python:
- python -m SimpleHTTPServer 8080: Set up a web server on 0.0.0.0 (will enable access to the server on all network interfaces, not just localhost)
- python3 -m http.server 8080
- python indexing:
import numpy as np vals = np.random.random((3,4)).astype(float) mean = np.mean(vals, axis=1) for j in range(vals.shape[1]): # here, vals[:, j] is just a 1D np array. vals[:, j] -= mean keys = np.random.random(4) # make it in decending order sort_index = keys.argsort()[::-1] vals = vals[:, sort_index] keys = keys[sort_index]
- Jupyter Notebook
- jupyter notebook --ip 0.0.0.0 --port 8888: enable access to the server on all network interfaces, not just localhost.
- Vscode:
- keymapshortcut in preference:
- ctrl + ]: go to defination
- ctrl + [: go back
- ctrl + o: go last
- keymapshortcut in preference:
- Permission setting:
- ssh: https://gist.github.com/grenade/6318301
- chmod 700 ~/.ssh
- chmod 644 ~/.ssh/authorized_keys
- chmod 600 ~/.ssh/id_rsa
- chmod 644 ~/.ssh/id_rsa.pub
- ssh: https://gist.github.com/grenade/6318301
- zsh:
-
[suggested] install zsh with onmyzsh: http://www.boekhoff.info/how-to-install-zsh-and-oh-my-zsh/
- The configuration file is ~/.zshrc
sudo apt-get install zsh curl git # install zsh sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)" # install ohmyzsh configuration management framework sudo apt-get install fonts-powerline
-
Thorough tutorial about zsh configuration: https://www.freecodecamp.org/news/how-to-configure-your-macos-terminal-with-zsh-like-a-pro-c0ab3f3c1156/
-
font rendering issues on iterm2:
git clone https://github.com/powerline/fonts (clone it anywhere, You can remove cloned dir after step-4) cd fonts ./install.sh- then Open iTerm2->Preferences->Profiles->Text->Change Font-> Meslo LG S DZ Regular for Powerline
- or Just select Use built-in Powerline glyphs and use Inconsolata for PowerPoint font.
-
font rendering issues on vscode integrated terminal:
- "terminal.integrated.fontFamily": "Source Code Pro for Powerline"
-
change the default shell to zsh:
- sudo vi /etc/passwd
- Find the line with your usernam, and replace bash with zsh
-
install zsh with prezto: https://medium.com/@oldwestaction/beautifying-your-terminal-with-zsh-prezto-powerlevel9k-9e8de2023046
- the configuration file is ~/.zpreztorc
sudo apt-get install zsh curl git # install zsh rm -f ~/.zshrc git clone --recursive https://github.com/sorin-ionescu/prezto.git "${ZDOTDIR:-$HOME}/.zprezto" setopt EXTENDED_GLOB for rcfile in "${ZDOTDIR:-$HOME}"/.zprezto/runcoms/^README.md(.N); do ln -s "$rcfile" "${ZDOTDIR:-$HOME}/.${rcfile:t}" done chsh -s $(which zsh)
-
- conda:
- conda env list
- conda env remove -n ENV_NAME
- conda deactivate: exit current env
- conda create --name py2 python=2.7: Create a Python 2 environment named py2, install Python 2.7
- conda activate ENV_NAME: enter env ENV_NAME