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yegor256

128 indexed repositories · View on GitHub

tacit
CSS framework for dummies, without a single CSS class: nicely renders properly formatted HTML5 pages

SCSS · 1883 stars
takes
True Object-Oriented Java Web Framework without NULLs, Static Methods, Annotations, and Mutable Objects

Java · 878 stars
cactoos
Object-Oriented Java primitives, as an alternative to Google Guava and Apache Commons

Java · 782 stars
rultor
DevOps team assistant that helps you merge, deploy, and release GitHub-hosted apps and libraries

Java · 574 stars
qulice
Quality Police for Java projects: aggregator of Checkstyle and PMD

Java · 325 stars
s3auth
Amazon S3 HTTP Basic Auth Gateway: put your files into S3 bucket and make them accessible with a login/password through a browser

Java · 260 stars
xembly
Assembly for XML: an imperative language for creating and modifying XML documents (and a Java library)

Java · 248 stars
micromap
📈 The fastest (for very small maps!) alternative of Rust HashMap, which doesn't use hashing and doesn't use heap (aka "linear map")

Rust · 219 stars
prompt
A plain-text prompt for LLMs that teaches the essence of elegant coding and testing—save it to ~/.claude/CLAUDE.md.

158 stars
jare
Free and Instant Content Delivery Network (CDN)

Java · 147 stars
iri
Simple and immutable URI/URL builder in Ruby, with a fluent interface

Ruby · 145 stars
0pdd
Puzzle Driven Development (PDD) Chatbot Assistant for Your GitHub Repositories

Ruby · 144 stars
elegantobjects.github.io
Fan club for Elegant Objects programmers

HTML · 127 stars
blog
My blog about computers, written in Jekyll and deployed to GitHub Pages

HTML · 127 stars
sixnines
Website Availability Monitor: add your website to our dashboard and get 24x7 monitoring of its availability (and a badge!)

Ruby · 75 stars
ssd16
16 lectures about "Software Systems Design" presented in Innopolis University in 2021 for 3rd year BSc students

TeX · 68 stars
sqm
Lecture Notes for "Software Quality Metrics" course in HSE University, 2023-2024

TeX · 67 stars
hoc
Hits-of-Code Command Line Calculator, for Git and Subversion

Ruby · 65 stars
zache
Zero-footprint Ruby In-Memory Thread-Safe Cache: when a naive implementation is enough

Ruby · 57 stars
requs
Controlled Natural Language for Requirements Specifications, with Maven Plugin

Java · 52 stars
108 more repositories live on View on GitHub

Beginner friendly Everything

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`execUnsafe()` waits on the process before anything drains its pipes, so a chatty child deadlocks Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

yegor256/jaxec#165 · 1 comment · Opened Sep 19, 2026
Effect#polarize accepts nil and writes an invalid boolean value Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

yegor256/0rsk#636 · Opened Sep 19, 2026
Annual plans are postponed by 360 days instead of one calendar year Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

yegor256/0rsk#635 · Opened Sep 19, 2026
Rsk::Daemon#start blocks the caller before starting its worker Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

yegor256/0rsk#634 · Opened Sep 19, 2026
Malformed glogin cookies can escape the decoding rescue Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

yegor256/0rsk#633 · Opened Sep 19, 2026
Projects#fetch returns projects in nondeterministic database order Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

yegor256/0rsk#632 · Opened Sep 19, 2026
Rsk::Limits accepts negative periods and creates an invalid rate window Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

yegor256/0rsk#631 · Opened Sep 19, 2026
Pgtk::Pool#dump cannot report a pool with a closed connection Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

yegor256/pgtk#536 · Opened Sep 19, 2026
Spy transactions do not report transaction boundary queries Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

yegor256/pgtk#535 · Opened Sep 19, 2026
PgsqlTask does not create the parent directory for its YAML output Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

yegor256/pgtk#534 · Opened Sep 19, 2026
Liquibase YAML search list fails with a raw error when no file exists Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

yegor256/pgtk#533 · Opened Sep 19, 2026
Liquibase schema dump crashes when PostgreSQL host is omitted Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

yegor256/pgtk#532 · Opened Sep 19, 2026
Impatient#transaction leaks PG::QueryCanceled instead of TooSlow Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

yegor256/pgtk#531 · Opened Sep 19, 2026
Wire::Yaml uses unsafe YAML deserialization for connection configuration Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

yegor256/pgtk#530 · Opened Sep 19, 2026
Pgtk::Spy reports an almost zero negative duration for every query Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

yegor256/pgtk#529 · Opened Sep 19, 2026
Inspect selects the first summary when several summary facts exist Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

yegor256/judges#686 · Opened Sep 19, 2026
Scalar enable and disable category options are silently ignored Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

yegor256/judges#685 · Opened Sep 19, 2026
expected_failure accepts process-exit exceptions as successful judge failures Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

yegor256/judges#684 · Opened Sep 19, 2026
Skipped tests are omitted from the test timing summary Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

yegor256/judges#683 · Opened Sep 19, 2026
Judge test files run in filesystem order instead of a stable order Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

yegor256/judges#682 · Opened Sep 19, 2026
Judges::Options caches a stale hash after the caller mutates its input array Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

yegor256/judges#681 · Opened Sep 19, 2026
Test command crashes with a raw error when a YAML test root is not a mapping Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

yegor256/judges#680 · Opened Sep 19, 2026
judges download fails when the destination parent directory is absent Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

yegor256/judges#679 · Opened Sep 19, 2026
After assertion scripts leak $fb and $loog into later tests Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

yegor256/judges#678 · Opened Sep 19, 2026
Whitespace-only options-file lines become an empty option Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

yegor256/judges#677 · Opened Sep 19, 2026
Summary append keeps stale run statistics from the previous execution Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

yegor256/judges#676 · Opened Sep 19, 2026
Join rejects TermBase implementations accepted by other query terms Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

yegor256/factbase#1045 · Opened Sep 19, 2026
Query#delete! treats non-boolean term results as deletion decisions Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

yegor256/factbase#1044 · Opened Sep 19, 2026
Indexed range predictors retain stale entries when a scoped map list shrinks Open

Difficulty 3/5 1-2 days Newbie friendliness 78/100

yegor256/factbase#1043 · Opened Sep 19, 2026
sprintf leaks KeyError for named format placeholders Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

yegor256/factbase#1042 · Opened Sep 19, 2026
TapedHash records churn before a failed property assignment Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

yegor256/factbase#1041 · Opened Sep 19, 2026
TapedArray#<< records churn before a failed append Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

yegor256/factbase#1040 · Opened Sep 19, 2026
TapedArray#uniq! records churn when the array is already unique Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

yegor256/factbase#1039 · Opened Sep 19, 2026
Query#one rejects boolean results even though facts support booleans Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

yegor256/factbase#1038 · Opened Sep 19, 2026
unique term keeps its seen set across independent evaluations Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

yegor256/factbase#1037 · Opened Sep 19, 2026
update with a missing churn parent directory fails after mutating the factbase Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

yegor256/judges#675 · Opened Sep 19, 2026
update exports a partially processed factbase after a fatal setup error Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

yegor256/judges#674 · Opened Sep 19, 2026
Plans#fetch crashes on active plans whose completed column is NULL Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

yegor256/0rsk#630 · Opened Sep 19, 2026
test timeout value zero is ignored instead of being validated Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

yegor256/judges#673 · Opened Sep 19, 2026
titles workflow exposes the OpenAI key to a third-party action on every opened issue Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

yegor256/0rsk#629 · Opened Sep 19, 2026
judges print --force can overwrite the input factbase with rendered text Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

yegor256/judges#672 · Opened Sep 19, 2026
Telegram task keyboard groups rows using round(), so row sizes are not four Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

yegor256/0rsk#628 · Opened Sep 19, 2026
Wire::Env decodes plus signs in database names as spaces Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

yegor256/pgtk#528 · Opened Sep 19, 2026
Rsk::Markdown leaves Telegram Markdown control characters unescaped Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

yegor256/0rsk#627 · Opened Sep 19, 2026
Pgtk workflows do not declare least-privilege GITHUB_TOKEN permissions Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

yegor256/pgtk#527 · Opened Sep 19, 2026
publish-benchmark.sh masks README update failures Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

yegor256/factbase#1036 · Opened Sep 19, 2026
0rsk workflows do not declare least-privilege GITHUB_TOKEN permissions Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

yegor256/0rsk#626 · Opened Sep 19, 2026
Judges workflows inherit repository-default GITHUB_TOKEN permissions Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

yegor256/judges#671 · Opened Sep 19, 2026
The catch-all cell accumulates one stray space per skipped property Open

Difficulty 1/5 Under an hour Newbie friendliness 92/100

yegor256/judges#670 · Opened Sep 19, 2026
A fact missing one of the `--columns` properties renders an empty `<span class=""/>` Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

yegor256/judges#669 · Opened Sep 19, 2026

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