c02y’s gists

c02y / gist:933a2855fd94d7ae3068b6af91398e4a

Last active October 9, 2018 05:37

keyword "volatile" in Linux C code

linux/Documentation/process/volatile-considered-harmful.rst

c02y / init.el

Last active October 15, 2018 09:13

helm-gtags for emacs

	1. fix string in mch
	2. comment ggtags part code, you can use ggtags or helm-gtags
	3. fix the multiple ggtags-mode in mode-line
	4. delete gc-cons-threshold in init-gnus.el since it is already defined in init.el
	5. add (helm-gtags-mode . " Hg")

	(setq
	;; helm-gtags-ignore-case t
	helm-gtags-auto-update t
	helm-gtags-use-input-at-cursor t

c02y / init.el

Created October 11, 2018 07:31

cscope config for Emacs

	(require 'xcscope)
	(cscope-setup)
	(setq cscope-option-use-inverted-index t)
	(defadvice cscope-bury-buffer (after cscope-bury-buffer activate)
	"Kill the cscope window after hitting q or Q instead of leaving it open."
	(delete-window))
	(defun cscope-create-database (top-directory)
	"Create cscope* files in one step containing, do this before using cscope:
	1. C-c s L
	2. C-c s I

c02y / init.el

Created October 16, 2018 07:55

remove company-ropemacs line in init.el

https://github.com/company-mode/company-mode/issues/159#issuecomment-122598917

c02y / init.el

Last active October 16, 2018 10:08

python in emacs

	https://realpython.com/emacs-the-best-python-editor/

	1. remove paradox since it will keep loading the list

	2. remove python-mode configuration about company/anaconda since when you open python file, it will say
	"comint-send-string: Process Python Internal(file.py) not running"

	3. install elpy, py-autopep8

	;; Python Development Environment

c02y / init.el

Last active October 18, 2018 07:47

replace nlinum-mode with display-line-numbers-mode which is supported by Emacs 26 and more

	https://github.com/emacs-mirror/emacs/blob/ff49d86b6419f88205ff9a5d8b1cc46fcda8371c/etc/NEWS#L493

	http://xuchengpeng.com/2018/03/30/emacs-show-line-numbers/


	;; M-x profiler-start and do your thing and M-x profiler-report to show the
	;; performance report, the following improves the structure of the report
	(setq profiler-report-cpu-line-format '((80 left) (24 right ((19 right) (5 right)))))
	(setq profiler-report-memory-line-format '((80 left) (24 right ((19 right) (5 right)))))

c02y / init.el

Created October 19, 2018 07:15

tweak keybings since it affect the keybings in other modes like elpy-*

	(bind-keys :map emacs-lisp-mode-map
	("C-x c" . emacs-lisp-byte-compile-and-load)
	("C-c c" . eval-buffer)
	("C-c C-r" . (lambda () (interactive) (load-file "~/.emacs.d/init.elc")))
	)
	(bind-keys :map lisp-interaction-mode-map
	("C-c C-e" . (lambda () (interactive) (find-file "~/.emacs.d/init.el")))
	("C-c C-r" . (lambda () (interactive) (load-file "~/.emacs.d/init.elc")))
	;; C-h e to switch to Message Buffer
	)

c02y / gist:e6d31643dc69bb9da11f72eb21df1c83

Created October 24, 2018 07:11

resource how to top process of cpu and mem, useful for tmux status line

	#!/bin/bash

	MEM=$(ps -eo pid,cmd,%mem --sort=-%mem \| sed '2q;d')
	TOP_MEM_PID=$(echo $MEM \| awk '{print $1}')
	TOP_MEM=$(echo $MEM \| awk '{print $2}')
	TOP_MEM_P=$(echo $MEM \| awk '{print $NF}')
	CPU=$(ps -eo pid,cmd,%cpu --sort=-%cpu \| sed '2q;d')
	TOP_CPU_PID=$(echo $CPU \| awk '{print $1}')
	TOP_CPU=$(echo $CPU \| awk '{print $2}')
	TOP_CPU_P=$(echo $CPU \| awk '{print $NF}')

c02y / init.el

Created October 31, 2018 06:43

change sudo string og Tramp

c02y / config.fish

Created November 1, 2018 07:18

list contents of deb package

alias debl 'dpkg --contents' # list contents of deb package

	#!/bin/bash

	MEM=$(ps -eo pid,cmd,%mem --sort=-%mem \| sed '2q;d')
	TOP_MEM_PID=$(echo $MEM \| awk '{print $1}')
	TOP_MEM=$(echo $MEM \| awk '{print $2}')
	TOP_MEM_P=$(echo $MEM \| awk '{print $NF}')
	CPU=$(ps -eo pid,cmd,%cpu --sort=-%cpu \| sed '2q;d')
	TOP_CPU_PID=$(echo $CPU \| awk '{print $1}')
	TOP_CPU=$(echo $CPU \| awk '{print $2}')
	TOP_CPU_P=$(echo $CPU \| awk '{print $NF}')