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MySQL Index

MySQL Index and SQL Recap

Range Optimization 1 For a BTREE index, an interval might be usable for conditions combined with AND, where each condition compares a key part with a constant value using =, <=>, IS NULL, &g...

Posted by DoNG on June 28, 2019

MySQL InnoDB Notes

MySQL技术内幕(InnoDB存储引擎)第2版 - 笔记

Chapter 2 InnoDB Engine Key characteristics Insert buffer Double Write Adaptive Hash Index Async IO Flush Neighbor Page Insert buffer CRUD: create, read, update, delete DML: Data...

Posted by DoNG on June 24, 2019

Eloquent JavaScript Notes

Table of Contents Table of Contents Chapter 1. Values, Types, and Operators Arithmetic Special Number Strings Unary Operators Comparison Logical Operat...

Posted by DoNG's Blog on May 13, 2019

Toy BlockChain in Python

Get Started Reference https://medium.com/crypto-currently/lets-build-the-tiniest-blockchain-e70965a248b https://mp.weixin.qq.com/s/GrpY52N5VDWB7UOqmIadUg an immutable chain are not issued or...

Posted by DoNG's Blog on March 20, 2018

Understanding Dispatch

Introduction https://core.telegram.org/bots/api#getting-updates https://github.com/qd452/python-telegram-bot https://github.com/python-telegram-bot/python-telegram-bot/wiki/Extensions-%E2%8...

Posted by DoNG's Blog on February 22, 2018

Macbook Setup

I. Basic Setup Badassify your ternimal and shell [todo] -> [done] http://jilles.me/badassify-your-terminal-and-shell just follow all of the instructions, which is indeed quite useful and ...

Posted by DoNG's Blog on February 10, 2018

My Algo Rebrush Schedule

Table of Contents Table of Contents 2018-01-26 Fri: BST 2018-01-27 Sat: deque (pronounced as “deck”) All about Python Time Complexity Sidetrack CPython deque ...

Posted by DoNG's Blog on January 25, 2018

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