Programmers commonly used tool website
free book
database
Online learning oracle website
Make flow chart online
Java development common tools website
Maven warehouse
json view online analysis
github Chinese community
Baidu translation
Program development navigation
pdai-java full-stack learning knowledge system website
programmer navigation
programmer navigation-cxy521
Jiangnan Yidianyu
ER relationship
with Mic learning architecture
Websites often visited in interviews
online programming
system design
Getting Started with System Design