Archive 2022
25 articles
Mastering Web Performance Tuning: Practical Speed Optimization Lessons from ISUCON
A review of Mastering Web Performance Tuning. Using ISUCON as its material, a book for systematically learning web application performance tuning that starts from measurement. Practical content worth reading at least once if you are going to take part in ISUCON.
Understanding Finance Thinking from Scratch: Growth Strategies for Employees and Companies
A review of Understanding Finance Thinking from Scratch. A gentle introduction to finance thinking that seeks to maximize corporate value with a long-term view. It helps you grasp the basics of investing in business growth rather than fixating on near-term sales and profit.
Catching Up on New Features from PHP 7.4 to PHP 8.1
Learn new PHP 8.1 features including typed properties, arrow functions, union types, match expressions, and attributes.
Obtaining SSL Certificates from Let's Encrypt Using DNS-01 with Lego
Obtain Let's Encrypt SSL certificates efficiently using DNS-01 challenge method with Lego client tool and Conoha API provider integration.
Implementing a Load Balancer in Golang
Implement a round-robin L4 load balancer in Go from scratch. Covers reverse proxy with httputil, round-robin scheduling, and active and passive health checks.