benwei

openssl s_client -connect $your_ssl_website -tlsextdebug 2>&1  | grep 'server extension'

benwei

t="${0%%`basename $0`}"; cd "$t" ; ABS_PATH=`pwd`
echo $ABS_PATH

benwei

#!/bin/sh
## refernce http://www.dict.org/rfc2229.txt
word="$1"
if [ -z "$word" ]; then
	echo "syntax: ./dict <word>"
	exit 1
fi

curl "dict://dict.org/d:$word"

benwei

/\%xnn characters (nn range is 00-FF)

%s/\%xnn//g -- replace all \xnn characters (nn range is 00-FF)

%s/\%unnnn//g -- replace all unicode code 'nnnn' characters, (nn range is 0000-FFFF)

benwei

replace
   test-keyworkd : anything ;
to 
   “test-keyworkd” :“anything”,

regex:

s/^\([ \t]*\)\([a-z-]*\):[ \t]*\(.*\);/\1"\2":"\3",/g

benwei

#!/bin/sh

find -name "*.c" | while read fn ; do wc -l $fn ; done

benwei

int led = 13;

void setup()
{
  Serial.begin(9600);//设置波特率为9600bps
  pinMode(led, OUTPUT);
}


void turnon_led() {

benwei

//
//  SOIPAddress.c
//
/*
 Copyright (c) 2013, Ben Wei
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 
 Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

benwei

how to git over ssh

create a base repository

 $ mkdir -p testprj
 $ cd testprj
 $ git init --bare

benwei

function SpentTime () {                                                                                                                                              
    this.reset = function () {
        start = new Date(); 
    }
    this.diff = function () {
        var now = new Date();
        return (now.getTime() - start.getTime()) 
    }
    var start = new Date();
}