@jialin.huang
FRONT-ENDBACK-ENDNETWORK, HTTPOS, COMPUTERCLOUD, AWS, Docker
DOCKERSQLGOLINUXAWSETC
To live is to risk it all Otherwise you are just an inert chunk of randomly assembled molecules drifting wherever the Universe blows you

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Original content since 2022

2025/08/01
Big O - How fast it gets bad As n gets bigger: O(1) < O(log n) < O(n) < O(n log n) < O(n²) < O(n³) < O(2ⁿ) < O(n!) —> —> —> —> —> —>—> —> —> —> —> —> being the absolute worst of course n³ is worse crossover point is between 4 a...
2025/04/26
GOLANG
PACKAGE MANAGEMENT
Go Package Management: Go Modules, go install & get Through the Versions I used to mix go get and go install, not really understanding the differences, even when being suggested to use one over the other. Based on growing uncertainty and the fact that modules weren't ther...
2025/03/29
DOCKER
The d in dockerd , and the d in containerd — Daemon A daemon is a background process that isn't controlled by humans through a GUI, similar to a system center. In the 01 world, many daemons are identified by adding the letter "d" as a suffix to their ...
2024/10/06
GOLANG
CHANNEL
TIME.SLEEP
WAITGROUP
Concurrency in Go: From Basics to Better Practices When you want to do more than one thing at the same time... When you first want to do multiple things at once, you might write something like this: It's pretty dumb, but hey, we all start somewhere...
2024/10/03
PYTHON
DJANGO
NGINX
SOCKET
UWSGI
Django: works with uwsgi, or even works with uwsgi & nginx together The final architecture of this page will be: I'm using venv + poetry here: It's kind of like when you do npm init I've written golang before and you can use go tidy to automatically register ne...
2024/10/02
GOLANG
MUTEX
PANIC
Goroutines Hell — A Survival Guide to Panic and Deadlock In the page, this guide will include: When it happens: Your logic is bad each goroutine try get each other lock Unlike channel deadlocks which produce immediate fatal errors, mutex deadlocks can be...
2024/09/27
Python Execution — From Interpreters to Compilers and Packaging tools From a performance perspective: Static/AOT compilation > JIT compilation > JIT implementation > Interpreter note1 Note 1: In the Python world, VM and interpreter are often used interchangeably, but ...