DavidPu

#!/bin/bash

set -euo pipefail
# readonly SCRIPT_DIR="$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")"
SCRIPT_DIR="$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")"

function process() {
python - << END_OF_PY_CODE

import os

DavidPu

http://www.thegeekstuff.com/2009/09/unix-sed-tutorial-replace-text-inside-a-file-using-substitute-command/comment-page-1/

find pattern and insert after match in same line:

https://stackoverflow.com/questions/35252285/insert-text-with-sed-on-the-same-line-that-pattern-search sed 's/\blocalhost\b/& 192.168.25.50/' file

match pattern and replace the line:

sed -i "/export TOP=/c export TOP="${TOP}"" *.sh

match pattern and delete the line:

DavidPu

# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816533
# start at server side(ssh)

 xpra start --no-daemon --xvfb="/usr/bin/Xvfb +extension  Composite -screen 0 3840x2560x24+32 -nolisten tcp -noreset" --start=/usr/bin/code

DavidPu

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import os
import sys


class FSO(object):
    import win32com.client as com
    import pywintypes

DavidPu

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import os


def happy_number(val):
    nums = []
    nums.append(val)
    while True:

DavidPu

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import BaseHTTPServer
import SimpleHTTPServer
import argparse
import socket

parser = argparse.ArgumentParser()
parser.add_argument('-b', action='store', dest='host',

DavidPu

def check_string(s):
    mstack = []
    bFind = False
    matches = {')': '(', '}': '{', ']': '['}
    for c in s:
        if c in matches.values():
            bFind = True
            mstack.append(c)
        elif c in matches.keys():
            if len(mstack) == 0 or mstack[-1] != matches[c]:

DavidPu

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os


def maxsum(arr):
    # maxsum, start, end:
    result = [arr[0], 0, 0]
    curr = [0, 0, 0]
    for i in range(0, len(arr)):

DavidPu

#include <stdlib.h>
#include <stdio.h>

#define BITS_PER_LONG (sizeof(long) * 8)
#define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
#define OFF(x)  ((x)%BITS_PER_LONG)
#define BIT(x)  (1UL<<OFF(x))
#define LONG(x) ((x)/BITS_PER_LONG)
#define test_bit(bit, array)    ((array[LONG(bit)] >> OFF(bit)) & 1)
#define FIRST_WORD_MASK(start) (~0UL << ((start) % BITS_PER_LONG))

DavidPu

#!/bin/bash
#usage:
# $source setclocks.sh
# $setxxfreq ..
#set -x
function setcpufreq()
{
    if [ -z $1 ]; then
       echo "usage:setcpufreq <CPUFREQ in kHz>|max [ONLINECPUS](default 4)"
       echo "e.g: setcpufreq max or setcpufreq max 2"