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91.
▲
Functional style programming – Fundamentals and design patterns
github.com/PacktPublishing
discuss
6 years ago
AnghelLeonard
2 points
92.
▲
Arrays, Collections and Data Structures
github.com/PacktPublishing
discuss
6 years ago
AnghelLeonard
2 points
93.
▲
Invoke Multiple Callable Tasks
github.com/PacktPublishing
discuss
6 years ago
AnghelLeonard
1 points
94.
▲
Division and Modulo of Unsigned Values
github.com/PacktPublishing
discuss
6 years ago
AnghelLeonard
1 points
95.
▲
Count Duplicate Characters
github.com/PacktPublishing
discuss
6 years ago
AnghelLeonard
1 points
96.
▲
Open Source Business Challenges and Reality
gist.github.com
99 comments
3 years ago
lleyton
162 points
97.
▲
Beating the Arc Challenge in Haskell
gist.github.com
95 comments
17 years ago
chriseidhof
100 points
98.
▲
The 2010 Lisp Game Design Challenge
dto.github.com
18 comments
16 years ago
fogus
43 points
99.
▲
Show HN: File Upload Hacking Challenges
github.com/breakthenet
2 comments
10 years ago
emeth
36 points
100.
▲
Show HN: SQL Injection Challenge
github.com/breakthenet
5 comments
10 years ago
emeth
34 points
101.
▲
Show HN: A JavaScript String replace API that challenges the status quo
github.com/FagnerMartinsBrack
7 comments
10 years ago
fagnerbrack
20 points
102.
▲
Tiger Beetle Viewstamped Replication Challenge
github.com/tigerbeetledb
1 comment
4 years ago
luu
15 points
103.
▲
Lobsters Vibecoding Challenge (Winter 2025-2026)
gist.github.com
3 comments
5 months ago
birdculture
12 points
104.
▲
Airbnb invokes DMCA to take down coding challenge source code
github.com/github
6 comments
14 years ago
ecaron
9 points
105.
▲
Ether Crawler – A dungeon crawler and challenge market based on Ethereum
github.com/ConsenSys
2 comments
11 years ago
phodo
9 points
106.
▲
Darpa Challenges Binaries for Linux, Windows, and OS X
github.com/trailofbits
discuss
10 years ago
aestetix
9 points
107.
▲
GitHub Data Challenge 3 : Organization Contribution Dashboard
github.com/pravj
2 comments
12 years ago
nk_man
8 points
108.
▲
Show HN: A challenging, infinite jumping game with lots of bombs
dotventure.vercel.app
4 comments
2 years ago
sh4jid
7 points
109.
▲
Show HN: Git russian-roulette – Challenge your luck in a Git repo
github.com/timofurrer
4 comments
10 years ago
tuxtimo
6 points
110.
▲
BlueHatIL – Trends, challenge, and shifts in software vulnerability mitigation [pdf]
github.com/Microsoft
discuss
7 years ago
eDameXxX
6 points
111.
▲
Claude Code vs. Codex: FRA challenge 75746d-2025
gist.github.com
discuss
23 days ago
JoelJacobson
4 points
112.
▲
Dual-Engine Search: How Perplexity Could Challenge Google (Interactive Mockup)
github.com/bharathirajaj
discuss
9 months ago
bharathiraja01
4 points
113.
▲
Trends, challenge, and shifts in software vulnerability mitigation [pdf]
github.com/Microsoft
discuss
7 years ago
pentestercrab
4 points
114.
▲
The Compression Puzzle Challenge
github.com/otobrglez
1 comment
4 years ago
otobrglez
3 points
115.
▲
Problem Solving Challenge #1
gist.github.com
discuss
14 years ago
KevinSjoberg
3 points
116.
▲
Show HN: Open-source Go Challenges – Interactive practice for interviews
github.com/RezaSi
discuss
a year ago
RezaSi
3 points
117.
▲
Show HN: Try test-driven agent development in this holiday prompting challenge
invariantlabs.ai
discuss
a year ago
lbeurerkellner
3 points
118.
▲
Invert a Binary Tree – $10k AI Reasoning Challenge (v2)
gist.github.com
discuss
2 years ago
YeGoblynQueenne
3 points
119.
▲
MIT Challenge: Bachelor's Degree in 100 Days
gist.github.com
3 comments
4 months ago
tirthd
2 points
120.
▲
Meishi Challenges Apple/Google: Open-Source P2P E2EE Contacts
2 comments
4 months ago
marcoparisi
2 points
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