Apr

Apr 2021

71 links - Work 40 · Music 10 · Fun 13 · Life 8

On this page: Work · Music · Fun · Life

Work - AI, code, business

• A 50+ Productized Service Examples & How to Pick Yours - Comprehensive guide with real examples of productized services and framework for designing your own offering. · #productized-services #business-model #solopreneur
• A pgvector: Vector Similarity Search for PostgreSQL - Open-source Postgres extension enabling vector search for LLM embeddings and semantic retrieval applications. · #postgres #vector-db #llm #embeddings
• A The Architecture Behind a One-Person Tech Startup - Technical and business architecture guide for running profitable solo SaaS with infrastructure optimization. · #saas #solopreneur #entrepreneurship #architecture
• A Clone Wars: 100+ Open-Source App Clones - Comprehensive collection of open-source clones of popular apps with code, tutorials, and tech stacks. · #open-source #learning #github #full-stack
• B How High-Quality Audio Makes You Sound Smarter - Research showing audio quality significantly improves audience perception of speaker intelligence and credibility. · #audio #public-speaking #psychology
• B Transmit 5: Premium macOS File Transfer Client - Professional FTP/SFTP/cloud storage client for macOS combining powerful features with modern interface design. · #macos #ftp #file-transfer #dev-tools
• B How to Crack Your Next Software Developer Job Interview - Practical guide based on 50+ interview experiences with preparation strategies and offer negotiation tactics. · #interviews #career #job-hunting
• B Kroki: Create Diagrams from Text - Unified API generating diagrams from plain text (PlantUML, Mermaid, GraphViz) for documentation automation. · #diagrams #documentation #open-source #api
• B geerlingguy's macOS Dotfiles & Configuration - Open-source macOS configuration scripts and dotfiles from Jeff Geerling for streamlined development setup. · #dotfiles #macos #devops #automation
• B How to Extract Spectrograms from Audio with Python - YouTube tutorial demonstrating practical spectrogram generation and audio analysis using Python libraries. · #audio #python #dsp #tutorial · M
• B Cloudflare Pages is Now Generally Available - Announcement of Cloudflare Pages production release for deploying static sites and serverless functions. · #cloudflare #deployment #hosting #jamstack
• B A Crash Course On Sniffing Bluetooth Low Energy - Technical guide to capturing and analyzing BLE packets; useful for debugging wireless device protocols. · #bluetooth #embedded #wireless · M
• B Querybook: Big Data Querying UI - Notebook IDE for data analysis combining table metadata discovery and SQL query interface; open-source. · #database #analytics #tools
• B Photopea: Advanced Browser-Based Photo Editor - Free online image editor with Photoshop-compatible interface and features for non-destructive editing. · #photo-editor #browser-tool #graphics
• B Play Audio, Read the Files, Create a Spectrogram - Kaggle notebook demonstrating audio file I/O and spectrogram visualization with working code examples. · #kaggle #audio #python #spectrogram · M
• B Calendso: Open-Source Calendly Alternative - Open-source scheduling and calendar management tool for self-hosted meeting booking and availability. · #open-source #scheduling #productivity #self-hosted
• B SciPy spectrogram — Documentation - API reference for generating spectrograms from audio signals using scipy.signal.spectrogram function. · #dsp #python #audio · M
• B LICEcap: Screen Recording to GIF - Lightweight macOS tool for recording screen areas directly to animated GIFs without heavy software. · #screen-recording #gif #documentation #macos
• B How I Made a Profitable Vim Course - Hacker News discussion of Vim course monetization strategy, UX design, and customer acquisition. · #business #course #entrepreneurship
• B Pitching Your Early-Stage Startup – Stripe Atlas - Guide to effective startup pitches; storytelling techniques and investor-focused details matter. · #pitching #fundraising #startup
• B Coolify: Self-Hosted Heroku Alternative - Open-source self-hosted deployment platform replacing Heroku/Netlify with focus on ease-of-use. · #self-hosted #deployment #open-source #docker
• B Turning a Small App Into a $20,000/mo Business - Case study of scaling an app to $20k monthly revenue; business model insights for indie makers. · #startup #revenue #business
• B Ask HN: Best Low-/No-Code Database Frontends - Community discussion of no-code tools for building database UIs; compares tools and use cases. · #no-code #database #tools
• B awesome-deno: Curated List of Deno Resources - Curated collection of Deno ecosystem libraries, tools, and learning resources for the runtime. · #javascript #tools #runtime
• B Use Google Like a Pro – Search operator guide - Developer guide to advanced Google search operators; maximize search effectiveness for coding. · #search-skills #google #productivity
• B Ask HN: What diagrams do you use in software development? - HN discussion on diagramming practices in software design; tools and methodologies shared. · #diagramming #architecture #software-design
• B Ask HN: How do you organize your knowledge? - HN discussion on personal knowledge management systems; methods and tools from community. · #knowledge-management #productivity #learning
• C Green vs. Brown Programming Languages - Article classifying programming languages by ecosystem maturity and adoption patterns from developer survey data. · #programming #languages #dev-culture
• C Ask HN: Freelancer? Seeking Freelancer? (April 2021) - Hacker News monthly hiring thread for freelancers to post availability and companies to find contractors. · #freelance #hiring #community #hacker-news
• C rmap: Roadmap Planning Tool - Tool for creating and managing project roadmaps and timelines visually with collaboration features. · #roadmap #project-management #planning
• C Interfaces and Protocols – Comparing interface patterns - Technical article comparing Python interface patterns: zope.interface vs typing.Protocol design. · #python #software-architecture #interfaces
• C Image Color Picker: Extract Colors from Photos - Free browser tool for extracting hex and RGB color codes from images without login. · #design-tools #color #browser-tool
• D How I Made $10k Teaching Vim Online - (unverified - page not reachable) · #business #course #entrepreneurship · archived
• D Human Lambdas - (unverified - page not reachable) · #outsourcing #automation #services
• D Mentoring – zanetajazdzyk.pl - (unverified - page not reachable) · #coaching #mentoring #polish
• D Platforma subskrypcyjna a'la Klub – zanetajazdzyk - (unverified - page not reachable) · #saas #subscription #polish
• D Python – od czego zacząć naukę? (Polish guide) - (unverified - page not reachable) · #python #learning-resources #polish · archived
• D React + D3.js: Integration Guide - (unverified - page not reachable) · #react #d3 #visualization #frontend · archived
• D The Anti-Pattern of Responsive Design - (unverified - page not reachable) · #responsive-design #web-design · archived
• D Tiny Capital - (unverified - page not reachable) · #startup #business #venture · archived

Music - synths, MIDI, audio

• A Mozzi: Arduino Audio Synthesis Library - Arduino library enabling sound synthesis and audio effects directly on microcontrollers for music projects. · #arduino #audio-synthesis #music-tech #electronics · M
• A awesome-musicdsp: A Curated List of Music DSP Resources - GitHub curated list of music DSP libraries, algorithms, and audio programming resources for developers. · #music-dsp #audio #synthesis #github-list · M
• A Homebrew Grain Synth Has A Rad Step Sequencer - DIY synthesizer build using grain synthesis with a custom step sequencer for sequencing sounds. · #synth #music #diy · M
• B The Music Notation Project: Alternative Notation Systems - Educational resource exploring alternative music notation systems that improve on traditional staff notation. · #music-theory #notation #music-education · M
• B MIDI All The Things Hack Chat - Live discussion on MIDI standards, protocol usage, and creative applications across music and hardware. · #midi #music #standards · M
• B Every Noise at Once - Interactive map of Spotify genre relationships; explore music taxonomy and discover adjacent genres. · #music #discovery #genres · M
• B Octatrack Trigs Mind Map - Community mind map documenting Octatrack MIDI sequencer trigger functions from the official manual. · #octatrack #midi #sequencer #music-gear · M
• B How to Write a Song in 6 Simple Steps - LANDR's practical songwriting guide covering fundamentals from initial concept through production. · #songwriting #music-production #tutorial · M
• B FL STUDIO – Making Hip Hop & Trap Music Tutorial - Forum tutorial for getting started with hip-hop and trap music production in FL Studio. · #fl-studio #music-production #hip-hop · M
• D Jupyter Audio Basics – Music Information Retrieval - (unverified - page not reachable) · #mir #audio-processing #jupyter · M

Fun - hardware, retro, maker, video

• A Splitflap Display Web Demo - Interactive browser demo controlling split-flap displays (airport board style) via Web Serial API. · #hardware #web-serial #electronics #retro · M
• B Noise in Creative Coding - Tutorial on using noise functions to generate organic visual effects in generative art and procedural graphics. · #generative-art #creative-coding #graphics · M
• B Challenges Building an Open-Source E Ink Laptop - Technical deep-dive on hardware and software obstacles when developing an open-source e-ink computing device. · #e-ink #hardware #open-source #laptop · M
• B AV Artifact Atlas: Digital Preservation Reference - Comprehensive guide documenting audio/video glitches, artifacts, and errors for digital preservation work. · #video #audio #digital-preservation #glitch-art · M
• B Electric Machines Animations: Educational Resource - University of Minnesota animations explaining DC motors, brushless motors, and electromagnetic principles. · #electronics #education #visualization #motors · M
• B Hacking eInk Price Tags - Repurpose electronic shelf labels into wireless photo frames; battery-powered displays for maker projects. · #hacking #diy #eink · M
• B ESP32 USB Software Host - Implement USB host via GPIO pins on ESP32; connect USB keyboards, mice, joysticks without hardware USB. · #embedded #hardware #usb · M
• B Kaboom: Game Development Library for Replit - Browser-based game development library integrated into Replit for learning JavaScript game programming. · #game-dev #javascript #learning #replit · M
• C Coil Winding Machine Makes It Easy - DIY automated coil winding machine for electromagnetic projects; eliminates tedious manual repetition. · #diy #electronics #automation · M
• C Speaker Is Fully 3D Printed - Open-source speaker design using 3D printed components and materials; combines audio and fabrication. · #audio #3d-printing #diy · M
• C A Hi-Fi Speaker From Some Foil And Magnets - Audio construction technique using thin ribbon materials and magnets for high-frequency response. · #audio #electronics #diy · M
• C PCTG Filament Has Interesting Properties - Material science breakdown of PCTG 3D printer filament; compares durability and ease vs ABS/PLA. · #3d-printing #materials #filament · M
• D Vizy AI Camera - (unverified - page not reachable) · #ai #hardware #camera · M

Life - health, learning, admin

• B Feynman's Nobel Ambition – excerpt from autobiography - Anecdote from Feynman's autobiography; insights into ambitious scientific pursuits and motivation. · #biography #physics #inspiration
• B Friday Finds: David Perell's Curated Links - Curated collection of Perell's best weekly newsletter links from 2019-2023 across diverse topics. · #curation #newsletter #reading #discovery
• C Coolest Things I Learned in 2019 - David Perell's annual summary of surprising insights and ideas collected from his reading and thinking. · #learning #ideas #essays #discovery
• C How Alphabets Are Created - Tumblr post exploring how new writing systems and alphabets emerge through creative experimentation. · #typography #writing #creativity
• C Ask HN: Maybe I'm just not smart enough? - Hacker News discussion of imposter syndrome and self-doubt in data science and programming careers. · #career #mental-health #community
• C Hacker News Undocumented: Hidden Norms & Guidelines - GitHub documentation of Hacker News unwritten community rules, submission strategies, and culture. · #hacker-news #community #culture
• C Put macOS on the iPad, You Cowards - The Verge opinion piece arguing iPad Pro's power justifies running macOS instead of iPadOS. · #apple #hardware #ipad
• D Konsultacje – zanetajazdzyk.pl - (unverified - page not reachable) · #consulting #services #polish

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