piaoger

<!-- A script to get max call stack size in browser
    In my Macbook pro
    Firefox 28:
        maxStackSize = 350801 (dynamic, but always above 300000)
        error: InternalError: too much recursion
    Safari 7.0.2
        maxStackSize = 58034
        error: RangeError: Maximum call stack size exceeded.
    Chrome 33:

piaoger

# fetch all branches
# From: http://stackoverflow.com/questions/10312521/how-to-fetch-all-git-branches

#!/bin/bash
for branch in `git branch -a | grep remotes | grep -v HEAD | grep -v master`; do
    git branch --track ${branch##*/} $branch
done

git fetch --all

piaoger

// set file add/mode time

var fs = require('fs')
function setFileTime(filePath, atime, mtime) {
    fs.utimesSync(filePath, atime, mtime);
}
var date = new Date('Thu Aug 20 2015 15:10:36 GMT+0800 (CST)');
setFileTime('/tmp/scache/fdf/admin.log', date, date);

piaoger

// It's tested on ios 8.2 ..

// Apple document about virtual memory: 
//    Both OS X and iOS include a fully-integrated virtual memory system that you cannot turn off; it is always on. 
//    https://developer.apple.com/library/mac/documentation/Performance/Conceptual/ManagingMemory/Articles/AboutMemory.html
// Discussing mmap on ios:
//    http://stackoverflow.com/questions/13425558/why-does-mmap-fail-on-ios
//    http://stackoverflow.com/questions/9184773/is-there-a-practical-limit-on-the-number-of-memory-mapped-files-in-ios

#include <sys/mman.h>

piaoger

##https://vulkan.lunarg.com/

## https://vulkan.lunarg.com/sdk/home

# 18.04
wget -qO - http://packages.lunarg.com/lunarg-signing-key-pub.asc | sudo apt-key add -
sudo wget -qO /etc/apt/sources.list.d/lunarg-vulkan-1.1.101-bionic.list http://packages.lunarg.com/vulkan/1.1.101/lunarg-vulkan-1.1.101-bionic.list
sudo apt update
sudo apt install lunarg-vulkan-sdk

piaoger

import (
    "os"
    "syscall"
    "time"
)

func statTimes(name string) (atime, mtime, ctime time.Time, err error) {
    fi, err := os.Stat(name)
    if err != nil {

piaoger

import (
    "bytes"
    "encoding/json"
    "errors"
    "fmt"
    "github.com/BurntSushi/toml"
    "errors"
)

// borrowed from golang playgroud:

piaoger

#!/bin/bash

appname=python

getpids() {
    local pids=$(ps -ef | grep $1 | grep -v grep| awk '{print $2}')
    echo $pids
}

pids=`getpids $appname`

piaoger

#!/bin/bash

###########################################################
# how to use
# curl -f -L https://gist.githubusercontent.com/piaoger/b6da9366ef28a065f152/raw/c06e66e7b4ff22fbb7295fd8a30899cd7d11936c/bootstrap.sh -O
# sh bootstrap.sh
###########################################################

echo off

piaoger

# I want compress yesterday's log, so I have to learn how to get yesterday with bash
# yesterday=$(date --date='-1 day' +%Y-%m-%d)
# today=$(date +%Y-%m-%d)
# yesterday_log=service_log_${yesterday}.log
# zip ${yesterday_log}.zip ${yesterday_log}

## today
today=$(date +%Y-%m-%d)