Lê Hoàng Tâm

Buffer Cache Hit in MySQL: What It Is and Why It Matters

By Lê Hoàng Tâm September 12, 2024All topics, Architecture & Design, Database, MySQLmysql, optimize database, optimize performance, Optimize Queries, optimize query

The InnoDB Buffer Pool in MySQL is essentially a cache that stores frequently accessed data (like table rows and index pages) in memory. This reduces the need for disk I/O…

MySQL Indexes: Boosting Query Performance with Column Order

By Lê Hoàng Tâm September 12, 2024All topics, Database, MySQLDatabase, mysql, optimize database, optimize index, optimize performance, optimize query

In MySQL, the order of columns in a composite index (an index that spans multiple columns) matters. The index is optimized based on the order of the columns, and this…

NestJS vs. Ruby on Rails: A Full Comparison

By Lê Hoàng Tâm September 12, 2024All topics, NodeJS, Notes, RubyRuby on rails

I want to have full insight about it because I'm going to build new application which can scale horizontal, optimize and less development cost. If you have same question, let's…

Deep Dive into Cloning Objects in JavaScript

By Lê Hoàng Tâm September 11, 2024All topics, NodeJS, Tipsclone object, javascript

In JavaScript, objects are reference types, meaning when you assign an object to another variable, you’re assigning the reference to that object, not the object itself. If you modify the…

Understanding HTTP Methods: GET, POST, PUT, and PATCH

By Lê Hoàng Tâm September 11, 2024All topicsHTTP Verd, RESTFul API

In HTTP, GET, PUT, POST, and PATCH are different methods used for various operations on resources. Here’s a breakdown of each method and their typical use cases: Understanding HTTP Methods:…

Posts by Lê Hoàng Tâm

Buffer Cache Hit in MySQL: What It Is and Why It Matters

MySQL Indexes: Boosting Query Performance with Column Order

NestJS vs. Ruby on Rails: A Full Comparison

Deep Dive into Cloning Objects in JavaScript

Understanding HTTP Methods: GET, POST, PUT, and PATCH

The secret of console in javascript

Top 10 secrets of Ruby

Understanding Threads and Processes in Ruby: Optimize Performance on Multi-Core CPUs

What is Ruby’s Global Interpreter Lock (GIL) and How to Overcome Its Limitations?