昨晚微软非官方消息，告诉我们，他们即将完成将office365 windows程序用react-native重写的工作。

Continue reading 微软即将完成将office365用react-native方式重写

疑问

而今GPU被用来挖矿，用来机器学习，到底GPU和CPU是什么区别？既然GPU这么有用，为什么不直接上GPU？

Continue reading GPU,CPU,APU的区别

从16.3开始，React终于有了官方版Context API，这个API貌似很简单，但是影响却很大，网上有评论说Redux已Game Over，Redux作者也不得不承认React需要Redux的程度减少了许多，不过Redux的有些使用者认为，Redux已经成为一个生态系统，可用于其他很多场景。(这个看过的帖子一时找不到)

Continue reading React Context API和Redux

systemd

• systemd is now supported by most linux system, and is the recommended way contrast to old upstart and init
• the systemd config file is under /lib/systemd/system
• env vars only able to be set in ExecStart or ExecStartPre, best way is to set in the script
• WorkingDirectory can not use double quote, seems to be a bug?
• if you app run like java -jar, should use Type=simple instead of Type=forking, otherwise it will case a timeout

Continue reading upstart init.d systemd - a simple instruction

Node.js Thread Worker

Recently nodejs have add initial thread support. It says:

Continue reading Nodejs Cluster Worker Thread Worker and Browser Worker

本文内容主要来自这篇文章Understanding How Node.js Release Lines Work

Continue reading 有趣的nodejs版本发布策略

Sequelize “An easy-to-use multi SQL dialect ORM for Node.js”

Continue reading Sequelize a Simple Introduction

I used pgAdmin to connect to postgres, I think it is good, but when I use it to connect to a heroku database, I was shocked that it do list all the database(about 200) in the heroku server instance even I have choose the dafault database to connect. Imagine you have to scroll over the whole list to find a database name - and it do not support search! I then thought how stupid this tool is.

Continue reading DBeaver a primary introduce

首先Grid布局和Flex布局不是互斥的

• Grid布局适合复杂的布局，例如可以用来设计整个页面的布局，可用来设计不合常规的创意布局。
• Flex布局适合于对齐内容。
• Grid布局适用于2d布局–行和列。
• Flex适合同一个方向的布局。 能用Flex的简单处，没必要使用Grid。全部使用Flex也达不到好的效果，混合使用才是顺其自然的方式。

Continue reading flex和grid布局

Recent years, I have see many project using postgres instead of Mysql. it is time to have a try by youself if you have not used it yet.

Continue reading Simple introduction of postgres NoSql and scale feature