jinuljt

import fcntl
import time
import sys


lock = file('singleapp.lock', "w+")
try:
    fcntl.lockf(lock, fcntl.LOCK_EX|fcntl.LOCK_NB)
except Exception, e:
    print "kill me before start again"

jinuljt

import (
	"bytes"
	"crypto/tls"
	"crypto/x509"
	"io/ioutil"
	"net/http"
)

wechatCertPath = "/path/to/wechat/cert.pem"
wechatKeyPath = "/path/to/wechat/key.pem"

jinuljt

云服务：aws中国(or 阿里云）

日志收集、查询、分析：logstash,kibana,elasticsearch

分布式测试框架：locust

CI: jenkins

在线画系统架构:draw.io、gliffy

jinuljt

package forms

import "github.com/gorilla/schema"
import "github.com/go-validator/validator"

var decoder = schema.NewDecoder()

func Validate(
	dst interface{},
	values map[string][]string) (bool, map[string][]error) {

jinuljt

/*
由于float精度的问题。在现实世界中遇到下面的问题。
```
f := 4.02
i := int(f * 100.0)
fmt.Println("i = ", i)
```
> i = 401
*/

jinuljt

底层使用 shipyard这类docker cluster。

Docker container 到etcd上注册自己的地址。

HAProxy 转发请求到Docker Container。

Confd 监控 etcd，动态更新HAProxy配置，并重启。

jinuljt

redis

redis 命令参数数量不能超过 1024*1024 个，包含命令哦。 比如：

SADD key 1 2 3 4...n (n <= 1024*1024 - 2)

source

emacs

jinuljt

Mastering Django
免费的编程中文书籍索引
Advanced R Ry’s Objective-C Tutorial
机器学习资料大汇总

jinuljt

#!/usr/bin/env python
#-*- coding:utf-8 -*-
# created:     Mon Sep 15 13:27:15 2014
# filename:    mkpasswd.py
# author:      juntao liu
# email:       [email protected]
# descritpion:

import datetime
import random

jinuljt

Generate private key (.key)

# Key considerations for algorithm "RSA" ≥ 2048-bit
openssl genrsa -out server.key 2048

# Key considerations for algorithm "ECDSA" ≥ secp384r1
# List ECDSA the supported curves (openssl ecparam -list_curves)
openssl ecparam -genkey -name secp384r1 -out server.key