Emacs Configuration

This is the configuration I use. It is heavily oriented for web development and python.

Requirements

• jslint
• Python requirements: flymake jedi

Tips

These are some tips I've found useful. I write them down so I can remember them.

Find and replace on certain files:

- M-x find-name-dired: you will be prompted for a root directory and a filename pattern.
- Press t to "toggle mark" for all files found.
- Press Q for "Query-Replace in Files...": you will be prompted for query/substitution regexps.
- Proceed as with query-replace-regexp: SPACE to replace and move to next match, n to skip a match, etc.

SEarch on certain files:

- M-x find-name-dired: you will be prompted for a root directory and a filename pattern.
- Press t to "toggle mark" for all files found.
- Press A for "Find regexp in Files...": you will be prompted for query/substitution regexps.

Tail file on eshell:

cat myfile.txt > (switch-to-buffer "*my-new-buffer*")

Narrow mode. Hides all the unselected regions of a given file and shows them again:

- Hide: C-x n n
- Show: C-x n w

C-M-a Move to beginning of current or preceding defun (beginning-of-defun). C-M-e Move to end of current or following defun (end-of-defun). C-M-h Put region around whole current or following defun (mark-defun). M-x count-lines-region or M-= Count lines in a region C-x <SPC>Toggle Rectangle Mark C-= Select in semantic regions C-c f - Go to next character typed C-c F - Go to next character typed C-c e - expand in semantic units narrow-to-region-indirect: Restrict editing in this buffer to the current region, indirectly. C-c i - Go to current definition. C-c o - List lines that have pattern shell-current-directory - shell in current directory M-x narrow-to-region-indirect - Limit edit text to selected section.