Jason jxinging

jxinging / start-daemon.sh

Last active October 19, 2016 07:10

后台启动进程,如果已经在运行则退出

	## 后台启动进程,如果已经在运行则退出
	# $1 ,command
	# $2 ,lock file
	start_daemon(){
	[ $# -lt 2 ] && return 2
	local CMD=$1; local LOCK_FILE=$2
	[ -s "$LOCK_FILE" ] && { PID=`cat $LOCK_FILE` ;ps axo pid,cmd \| egrep $PID \| egrep -q $0 && {
	echo Runing...,PID:$PID ;return 1;} \|\| { echo Stoped,remove lock file :$LOCK_FILE ;}
	}
	{ eval $CMD ; /bin/rm -f $LOCK_FILE ;} &

justecorruptio / 2048.c

Created April 4, 2014 03:49

Tiny 2048 in C!

	M[16],X=16,W,k;main(){T(system("stty cbreak")
	);puts(W&1?"WIN":"LOSE");}K[]={2,3,1};s(f,d,i
	,j,l,P){for(i=4;i--;)for(j=k=l=0;k<4;)j<4?P=M
	[w(d,i,j++)],W\|=P>>11,l*P&&(f?M[w(d,i,k)]=l<<
	(l==P):0,k++),l=l?P?l-P?P:0:l:P:(f?M[w(d,i,k)
	]=l:0,++k,W\|=2*!l,l=0);}w(d,i,j){return d?w(d
	-1,j,3-i):4*i+j;}T(i){for(i=X+rand()%X;M[i%X]
	*i;i--);i?M[i%X]=2<<rand()%2:0;for(W=i=0;i<4;
	)s(0,i++);for(i=X,puts("\e[2J\e[H");i--;i%4\|\|
	puts(""))printf(M[i]?"%4d\|":" \|",M[i]);W-2

justnoise / lru_cache.py

Created September 7, 2013 00:27

Just a quick implementation of a LRU cache.