r/ProgrammerTIL
40k members
r/ProgrammerTIL is a subreddit with 40k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses til, programming, python, code, and software.
Learn something new? Wanna share? Post here along with the language/framework you learned it in.
This is a great place for novice and advanced programmers alike to come and discover all the interesting things they could learn *tomorrow* ;)
Popular Themes in r/ProgrammerTIL
#1
Solution Requests
: "Technical Debt - Types and Effective Solutions"
4 posts
#2
Advice Requests
: "TIL how to do grep on ps output without seeing grep itself"
4 posts
#3
Self-Promotion
: "TIL: URLs support emoji (sorta), so I built an emoji-only URL shortener"
2 posts
#4
Opportunities
: "Anyone here looking to get referral as a Senior/Staff Code Review Expert position | $40 to $125 / Hr ?"
1 post
Popular Topics in r/ProgrammerTIL
#1
Til
: "Til you can do `cat -n file` to easily see line numbers when looking at a file"
60 posts
#2
Programming
: "Free Technology and Programming Courses"
38 posts
#3
Python
: "Python Testing Automation Tools Compared"
21 posts
#4
Code
: "please help me run a Code"
16 posts
#5
Software
: "Enhancing Software Testing Methodologies - Guide"
16 posts
#6
Git
: "How to Shallow Clone With Git"
10 posts
#7
Ai
: "Built an Ai tool that reviews PRs on Bitbucket – looking for early feedback"
10 posts
#8
Javascript
: "TIL Javascript provides string interpolation with string template literals"
9 posts
#9
Coding
: "Poor mans debug repl with imports [NodeJS][Typescript]"
9 posts
#10
C#
8 posts
Flair Used in r/ProgrammerTIL
#1
Other
: "TIL you can do `cat -n file` to easily see line numbers when looking at a file"
97 posts
#2
Other Language
: "Bloom Filters Explained"
7 posts
#3
Python
: "Today I Q-learned!"
6 posts
#4
Javascript
: "TIL JavaScript provides string interpolation with string template literals"
5 posts
#5
SQL
: "[SQL] SQL Query Execution Order"
3 posts
#6
Ruby
: "Ruby Method Lookup Demystified: Inheritance, Mixins, and Super"
2 posts
#7
Bash
: "TIL how to do grep on ps output without seeing grep itself"
1 post
#8
Linux
: "Til about the Linux tool called wafw00f"
1 post
#9
Doucmentation
: "VS Code Extension: Convert Diagrams to Text Format | Better Code Documentation"
1 post
#10
GIT Workflow
: "GitKraken"
1 post
Member Growth in r/ProgrammerTIL
Yearly
+2k members(3.9%)
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About
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This page gives a focused view of r/ProgrammerTIL, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: September 13, 2026