Toggle navigation
HN
Paper
All
Show
Ask
Jobs
Top stories
Today
Last 7 days
Last months
This year
Stats
Stories by johnjr
A New Series on Cracking FAANG-Level Code Challenges
2 points
johnjr
2025-12-11T18:51:45Z
johnjr.dev
Builder Design Pattern and Cyclomatic Complexity Reduction
2 points
johnjr
2025-11-10T16:32:29Z
johnjr.dev
Composition, Inheritance, and Liskov Substitution Principle
3 points
johnjr
2025-04-22T22:46:42Z
joaojunior.org
Improving Legacy Code: Using Task Queue to Speed Up a Crawler in an ETL Process
1 points
johnjr
2025-02-12T15:21:52Z
joaojunior.org
Is CPython Faster Without the Global Interpreter Lock(GIL)?
1 points
johnjr
2024-07-17T17:32:27Z
joaojunior.org
Lua scripts are not atomic in Redis
3 points
johnjr
2024-04-08T14:27:42Z
joaojunior.org