Emacs learning notes

C-x C-f     Find file or create new file
C-x C-s     Save buffer
C-x s       Save file (like save-as)
C-x b       Switch buffer
C-x k       Kill buffer
C-x o       Switch cursor to another window
C-x 1       Delete other windows
C-x 0       Delete current window
C-x 2       Split window horizontally
C-x 3       Split window vertically

C-a         Beginning of line
C-e         End of line
ESC-<       go to the beginning of the file
ESC->       go to the end of the file
M-m         Move to first non-whitespace character on the line
M-a         Move to beginning of function
C-n         Next line (down)
C-p         Previous line (up)
C-v         Page down
M-v         Page up
C-b         Back (left) one character
C-f         Forward (right) one character
M-f         Forward a word
M-b         Back a word
C-v         Forward a page
M-v         Back a page
C-s         Regex search forwards for text in current buffer and move to it. Press C-s again to move to next match
C-r         Regex search backwards
M-g g       Go to line
C-j         new line at REPL

C-d         Kill character
C-k         kill line
M-d         Kill word forwards
M-delete    Kill word backwards
C-w         Kill region (cut)
M-w         Copy region to kill ring (copy)
M-y         Cycle through kill ring after yanking
C-y         Yank (paste)
C-o         Insert a blank line after the cursor
C-x C-o     Delete all but one of many consecutive blank lines
C-e RET     Insert new line just below current line
C-shift-backspace Delete current line`
M-Space     delete white space till next word

M-x fn-name run commands by name
M-x package-refresh-contents  to get the latest list
M-x package-list-packages     to show package
M-x package-install           to install package
M-%                           Query replace
C-spc                         select region
M-x                           replace-string to replace string
M-;                           Comment and uncomment multiple lines
C-]                           quit minibuffer while in minibuffer
command-arrow                 switch buffer
C-l                           positions the current line in the middle of the screen

C-c M-n       Switch to namespace of current buffer
C-c C-k       Compile current buffer
M-. and M-,   Navigate to source code for symbol under point and return to your original buffer
C-↑, C-↓      Cycle through REPL history
C-x C-e       sends the s-exp to the running REPLm, Evaluate expression immediately preceding point 
q             close stack trace
C-c M-o       clear REPL

M-(   parenthesis-wrap-round
C-→   To slurp, move closing parenthesis to the right to include next expression
C-←   to Barf, move closing parenthesis to the left to exclude last expression
C-M-f, C-M-b Move to the opening/closing parenthesis
C-(   move backward opening parenthesis
C-{   move forward opening parenthesis
C-)   move backward closing parenthesis
C-}   move forward closing parenthesis