#cheatsheets — Public Fediverse posts

If you're an experienced developer and want to brush up on your Ruby knowledge, check out the cheat sheets periodically.
Refer to the manuals only when you don't understand something in them or you've forgotten it (or maybe you didn't know it).
This way, you can quickly find gaps in your knowledge and fill them as quickly as possible.

#Ruby #Cheatsheets #Hints #Tips #RubyLinks

----------------

📚 Frameworks
===================

Executive summary: The OWASP Cheat Sheet Series is the official OWASP repository of concise, topic-focused application security guidance. The project aggregates actionable cheat sheets aimed at developers, reviewers, and integration teams, and includes documentation for contributors and content standards.

Technical details:
• The repository centralizes individual cheat sheets covering secure coding, authentication, session management, cryptography, input validation, and other application-security domains.
• Documentation files of note include CONTRIBUTING.md and GUIDELINE.md which define contribution workflow and the structure/quality expectations for new cheat sheets.
• The project provides an automated build process and a distributable offline archive (bundle.zip) for teams that want an offline copy of the site.
• Communication and community coordination occur via the OWASP Slack workspace and the #cheatsheets channel mentioned by the project.

Implementation and architecture (conceptual):
• Content is authored in Markdown as the canonical source format and rendered into a static site for web consumption. The repository maintains linting and terminology checks to preserve consistency across entries.
• The build pipeline includes markdown/terminology linters and a bundling step to produce an offline package intended for internal distribution or air-gapped environments.

Use cases:
• Developers seeking compact, prescriptive guidance for specific secure-coding problems.
• Security reviewers and architects needing checklist-style references during code reviews and design reviews.
• Teams and educators requiring an offline, distributable set of best practices for training or policy alignment.

Limitations and considerations:
• The repository is community-maintained; coverage varies by topic and relies on volunteer contributions for updates and new content.
• The guidance is reference-oriented and not a replacement for in-depth standards or formal compliance controls; context-specific adaptation is required when applying guidance to complex systems.

References and governance:
• The project lists project leaders and core team members, and invites contributions via issue tracking and pull requests. The repository also documents linting rules and terminology standards to maintain consistency.

🔹 OWASP #cheatsheets #application_security #security_guidelines #bookmark

🔗 Source: https://github.com/OWASP/CheatSheetSeries/tree/master/cheatsheets

#Development #Cheatsheets
Underlining links with CSS · Modern ‘text-decoration’ properties at a glance https://ilo.im/16ahy6

_____
#Styling #Underlining #Links #MDN #Browsers #Design #WebDesign #WebDev #Frontend #CSS

#Development #Cheatsheets
Underlining links with CSS · Modern ‘text-decoration’ properties at a glance https://ilo.im/16ahy6

_____
#Styling #Underlining #Links #MDN #Browsers #Design #WebDesign #WebDev #Frontend #CSS

#Development #Cheatsheets
Underlining links with CSS · Modern ‘text-decoration’ properties at a glance https://ilo.im/16ahy6

_____
#Styling #Underlining #Links #MDN #Browsers #Design #WebDesign #WebDev #Frontend #CSS

#Development #Cheatsheets
Underlining links with CSS · Modern ‘text-decoration’ properties at a glance https://ilo.im/16ahy6

_____
#Styling #Underlining #Links #MDN #Browsers #Design #WebDesign #WebDev #Frontend #CSS

#Development #Cheatsheets
Styling highlight-y pseudo-elements · Which texts they target and how to customize them https://ilo.im/16a75e

_____
#Text #Highlighting #PseudoElements #Usability #Accessibility #Browsers #WebDev #Frontend #HTML #CSS

From the archives:

The HTML History and Optimization Cheat Sheet:

https://meiert.com/blog/html-cheat-sheet/

#html #optimization #cheatsheets

Mastering npx: A Cheatsheet for npm and Node.js Power Users, by (not on Mastodon or Bluesky):

https://web.archive.org/web/20251003185515/https://www.nodejs-security.com/blog/mastering-npx-cheatsheet-npm-nodejs-power-users

#npx #cheatsheets #examples #nodejs #npm

#Development #Cheatsheets
CSS text shadow techniques · Choose the right method for your project https://ilo.im/1665xt

_____
#CSS #Styling #Text #Shadows #WebDev #Frontend

My 10 Level Claude Code Cheat Sheet Will Make You a Pro in Minutes (Which Level Are You?), by @joenjenga:

https://archive.fo/1B2Vk

#claude #anthropic #ai #cheatsheets

#Development #Cheatsheets
Conformance vs. compliance in accessibility · The meaning of the two easily confused terms https://ilo.im/1662vn

_____
#Terminology #Accessibility #WCAG #Conformance #Compliance #Legislation #Design #WebDesign #WebDev #Frontend

#excel #data #accounting #microsoft #office #workhacks #cheatsheets #exceltips #paidpartnership #fi

source

https://quadexcel.com/wp/excel-data-accounting-microsoft-office-workhacks-cheatsheets-exceltips-paidpartnership-fi/

#excel #data #accounting #microsoft #office #workhacks #cheatsheets #exceltips #paidpartnership #fi

source

https://quadexcel.com/wp/excel-data-accounting-microsoft-office-workhacks-cheatsheets-exceltips-paidpartnership-fi/

#Development #Cheatsheets
HTML anchors’ href values · Everything you can put in the href attribute https://ilo.im/165vab

_____
#HTML #AnchorElement #URLs #WebDev #Frontend #JavaScript

#cheatsheets

https://www.facebook.com/share/p/16aHJi5bE7/

#Development #Cheatsheets
Animation ranges for scroll-driven animations · A visual breakdown of all ‘animation-range’ values https://ilo.im/165a0s

_____
#ModernCSS #Scrolling #Animations #Timeline #Viewport #WebDev #Frontend #CSS

#Design #Cheatsheets
Choosing a chart type · Which to use for what data and goal? https://ilo.im/164ort

_____
#Audience #Communication #Visualization #Charts #Data #ProductDesign #UxDesign #VisualDesign #WebDesign

#Business #Launches
Media Cheat Sheet · Image, video, and ad sizes for social platforms https://ilo.im/164mol

_____
#Images #Videos #Ads #SocialMedia #Marketing #Promotion #Website #Blog #Content #Cheatsheets

#Development #Cheatsheets
Translating accessibility · What to translate for accessible web pages https://ilo.im/164e2x

_____
#Localization #Translation #Accessibility #Content #Website #WebDev #Frontend #ARIA #HTML #CSS

✔️ Telegram-Based Digital Locker Rental for Files, Links, and Codes

✨A bot-based service that lets users rent access to digital lockers (PDFs, premium links, #CheatSheets, access codes) directly via Telegram with automated payment and delivery.

#TelegramBot #MicroPayments #FileDelivery #AccessCodeSales #PassiveMonetization

🔥 OverAPI.com, una raccolta di cheat sheets
Un'immensa raccolta di cheat sheets dedicata agli sviluppatori...

👉 https://www.selectallfromdual.com/blog/1502

#️⃣ #cheatsheets

#Development #Cheatsheets
PHP Operators · A quick reference to operators in the PHP language https://ilo.im/163qcy

_____
#Programming #Coding #Operators #PHP #WebDev #Backend

Tickets zur #Hamradio sind nun gekauft.

Das "Merch" wird dieses Mal ein Lesezeichen mit einigen der #Cheatsheets sein. Die beliebten Kugelschreiber gibt es aber natürlich auch wieder.

https://dd3ah.de/cheatsheets/

#Design #Cheatsheets
A visual overview of 70+ UX metrics · The many ways to measure user experience https://ilo.im/162znj

_____
#InfoGraphic #Taxonomy #UX #Metrics #ProductDesign #UxDesign #UiDesign #WebDesign #Collection

#Design #Cheatsheets
“Can you simplify this?” · Ways to streamline too much information https://ilo.im/162vac

______
#Simplification #Information #Copy #Form #Content #ProductDesign #UxDesign #UiDesign #VisualDesign #WebDesign

#Development #Cheatsheets
Human-readable JavaScript date formatting · A neatly compiled set of practical examples https://ilo.im/162pyi

_____
#Programming #Coding #Formatting #Snippets #Date #Time #JavaScript #WebDev #Frontend

База данных сниппетов со смысловым поиском: что «под капотом»

Хочу поддержать жанр статей «что под капотом» и рассказать подробности реализации проекта code‑magic.com — базы данных сниппетов со смысловым поиском. Под капот...

https://habr.com/ru/articles/881282/

#сниппеты #базы_данных #семантический_поиск #языковые_модели #headless_cms #opensearch #bash #support #administration #cheatsheets

#Development #Cheatsheets
Fixing common Git mistakes · With the proper commands, most mishaps are recoverable https://ilo.im/1621gt

_____
#Programming #Coding #VersionControl #Git #Commits #Repository #WebDev #Frontend #Backend

#Development #Cheatsheets
SQL Commands · A list of basic SQL language commands https://ilo.im/161zbb

_____
#Databases #Commands #SQL #MySQL #PostgreSQL #SQLite #WebDev #Backend

Watch as this #cat teaches you the best way to fold a #fittedsheet #😂 #Cheatsheets

#Business #Cheatsheets
Measuring design: essential metrics · Core metrics that work for almost any organization https://ilo.im/161n2s

_____
#Metrics #UserBehavior #UxResearch #ProductTeam #Stakeholder #Design #ProductDesign #UxDesign #UiDesign #WebDesign

#Business #Cheatsheets
Measuring design: essential metrics · Core metrics that work for almost any organization https://ilo.im/161n2s

_____
#Metrics #UserBehavior #UxResearch #ProductTeam #Stakeholder #Design #ProductDesign #UxDesign #UiDesign #WebDesign

#Business #Cheatsheets
Measuring design: essential metrics · Core metrics that work for almost any organization https://ilo.im/161n2s

_____
#Metrics #UserBehavior #UxResearch #ProductTeam #Stakeholder #Design #ProductDesign #UxDesign #UiDesign #WebDesign

#Business #Cheatsheets
Measuring design: essential metrics · Core metrics that work for almost any organization https://ilo.im/161n2s

_____
#Metrics #UserBehavior #UxResearch #ProductTeam #Stakeholder #Design #ProductDesign #UxDesign #UiDesign #WebDesign

Just released: Stardew Valley - Foraging Cheat Sheet by vojd

Download it free at http://www.cheatography.com/vojd/cheat-sheets/stardew-valley-foraging/?utm_source=mastodon

Here's their description of it: the best time and place to forage certain types of items.
(be updating!!)

@cheatsheets #CheatSheet #CheatSheets #games #foraging #stardewvalley #sdv

Beginner mySQL cheatsheet.

coding #sql #cheatsheets #learning. source

https://quadexcel.com/wp/beginner-mysql-cheatsheet/

I just re-uploaded the old Panda 3D tutorial I did many years ago, to my new website.

https://dbat.codeberg.page/posts/tutorials-panda3d.html

I was curious, so went to look at the Panda docs, and they still have my tuts there! So cool. Have not touched Panda or Python for a decade though. Godot's got me!

https://docs.panda3d.org/1.10/python/more-resources/cheat-sheets

🦇

#panda3d #cheatSheets #Python #GameDev #Inkscape #SVG

I just re-uploaded the old Panda 3D tutorial I did many years ago, to my new website.

https://dbat.codeberg.page/posts/tutorials-panda3d.html

I was curious, so went to look at the Panda docs, and they still have my tuts there! So cool. Have not touched Panda or Python for a decade though. Godot's got me!

https://docs.panda3d.org/1.10/python/more-resources/cheat-sheets

🦇

#panda3d #cheatSheets #Python #GameDev #Inkscape #SVG

#Development #Cheatsheets
Math4Devs · The JavaScript equivalents of mathematical symbols https://ilo.im/160tg6

_____
#Programming #Coding #Math #MathSymbols #JavaScript #WebDev #Frontend #Backend

#Design #Cheatsheets
Types of disability · Seeing, hearing, moving, and thinking disabilities at a glance https://ilo.im/160xqg

_____
#Typology #Disability #Accessibility #ProductDesign #UxDesign #UiDesign #WebDesign #Development #WebDev #Frontend

#Design #Cheatsheets
Types of disability · Seeing, hearing, moving, and thinking disabilities at a glance https://ilo.im/160xqg

_____
#Typology #Disability #Accessibility #ProductDesign #UxDesign #UiDesign #WebDesign #Development #WebDev #Frontend

#Development #Cheatsheets
Detecting support for CSS at-rules · Supportable at-rules we can reliably test today https://ilo.im/160cev

_____
#ModernCSS #Compatibility #Testing #CssAtRules #Baseline #BrowserSupport #Browser #WebDev #Frontend #CSS

Just released: Semiconductors Cheat Sheet by nickknack04

Download it free at http://www.cheatography.com/nickknack04/cheat-sheets/semiconductors/?utm_source=mastodon

@cheatsheets #CheatSheet #CheatSheets #engineering #electrical #circuit #ee #opamp

Just released: Trigonometry Basics Cheat Sheet by dontwanttofail

Download it free at http://www.cheatography.com/dontwanttofail/cheat-sheets/trigonometry-basics/?utm_source=mastodon

@cheatsheets #CheatSheet #CheatSheets #math #trigonometry #unitcircle #pythagoreantheory #sin- #cos- #tan- #csc- #sec- #cot- #radiansanddegrees

Just released: SQL Server. A beginner's guide Cheat Sheet by BadGuyBen

Download it free at http://www.cheatography.com/badguyben/cheat-sheets/sql-server-a-beginner-s-guide/?utm_source=mastodon

Here's their description of it: A simple cheat sheet for beginners trying to understand SQL server.

@cheatsheets #CheatSheet #CheatSheets #sql #sql-server #sql-execute-order #sql-join #join #execute-order

Just released: Biology A level - Cloning and Biotechnology Cheat Sheet by Anais_Pe

Download it free at http://www.cheatography.com/anais-pe/cheat-sheets/biology-a-level-cloning-and-biotechnology/?utm_source=mastodon

Here's their description of it: This is based on the OCR A Gateway spec for A level biology, Chapter 22 from module 6.
Specification reference: 6.2.1

@cheatsheets #CheatSheet #CheatSheets #science #biology #alevel #genetics #ocr #stem

Just released: Biology A level - Classification and Evolution Cheat Sheet by Anais_Pe

Download it free at http://www.cheatography.com/anais-pe/cheat-sheets/biology-a-level-classification-and-evolution/?utm_source=mastodon

Here's their description of it: This is a cheat sheet based on the OCR A Gateway Biology A level spec, Chapter 10 module 4.
Specification reference: 4.2.2

@cheatsheets #CheatSheet #CheatSheets #science #biology #alevel #exam

Just released: Biology A level - Patterns of Inheritance Cheat Sheet by Anais_Pe

Download it free at http://www.cheatography.com/anais-pe/cheat-sheets/biology-a-level-patterns-of-inheritance/?utm_source=mastodon

Here's their description of it: This is an OCR A Gateway spec A level Biology cheat sheet for Chapter 20 module 6.
Specification reference: 6.1.2

@cheatsheets #CheatSheet #CheatSheets #science #biology #alevel #genetics #ocr #stem