Jim Fisher
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Vidrio
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As seen in the Daily Mail! I'm the developer of Vidrio, the future of presentation. Also find me on GitHub, Stack Overflow, LinkedIn, Twitter, Instagram, Keybase, Product Hunt. Find my old blogs: Wordpress (2010-12), Medium (2013-15).

Favorite posts

Your syntax highlighter is wrong (2014-05-11)
Granddad died today (2017-05-19)
The Three Ts of Time, Thought and Typing: measuring cost on the web (2017-10-26)
I hate telephones (2017-11-08)
The sorry state of OpenSSL usability (2017-12-02)
The dots do matter: how to scam a Gmail user (2018-04-07)
My parents are Flat-Earthers (2019-01-20)
How Hacker News stays interesting (2019-01-26)
Project C-43: the lost origins of asymmetric crypto (2019-02-16)
The hacker hype cycle (2019-03-23)
The inception bar: a new phishing method (2019-04-27)
Time is running out to catch COVID-19 (2020-03-14)
A probabilistic pub quiz for nerds (2020-04-26)
Smear phishing: a new Android vulnerability (2020-08-06)

All posts

Mon
Tue
Wed
Thu
Fri
How to export a model for TensorFlow.js (2021-03-09)
Sun
Mon
Tue
Wed
Thu
TensorFlow 2 ‘hello world’ (2021-02-17)
What is a Single-Shot Multibox Detector? (2021-02-16)
How to run a pre-trained model in TensorFlow.js (2021-02-15)
Mon
Tue
Wed
Thu
Fri
How to replace GIF with HTML video in 2021 (2021-01-19)
Measuring audio volume in JavaScript (2021-01-18)
Mon
Tue
Wed
Thu
MP4 can encode superwhite and superblack, thanks to analog TV (2021-01-13)
Sat
Sun
Mon
Tue
Wed
Thu
Fri
Sat
NPM addon package hello world (2020-12-07)
Homogeneous coordinates in 3D (2020-11-29)
Homogeneous coordinates in 2D, from scratch (2020-11-28)
A matrix library in 5 lines of code (2020-11-27)
Thu
Fri
Sat
Sun
Mon
Tue
Wed
Thu
Fri
How do classes work in JavaScript? (2020-11-03)
How do JavaScript prototypes work? (2020-11-02)
What does the dot do in JavaScript? (2020-11-01)
Tue
Wed
Thu
Fri
Sat
Sun
Mon
Tue
The many sizes of a video element (2020-10-23)
Why is my WebGL texture upside-down? (2020-10-22)
Use varyings for texture2D coordinates! (2020-10-21)
Sat
How do JavaScript async iterators work? (2020-10-19)
Mon
MediaRecorder hello world (2020-10-17)
Babel JS from the ground up (2020-10-16)
How does require work in Electron? (2020-10-15)
The Electron process architecture is the Chromium process architecture (2020-10-14)
WebRTC group chat hello world (2020-10-13)
A head in a box with BlazeFace (2020-10-12)
Head tracking with BlazeFace (2020-10-11)
Tue
Wed
Thu
How to self-host a TensorFlow.js model (2020-10-07)
How to make a floating head (2020-10-06)
How does the Node.js REPL display previews? (2020-10-05)
What are UMD modules? One final module system to rule them all (except ES modules which are a different thing) (2020-10-04)
What are AMD modules? Fetch your sick bag (2020-10-03)
Executables in npm? (2020-10-02)
How to publish an npm package (2020-10-01)
What is npm? (2020-09-30)
How do ECMAScript modules work in Node.js? (2020-09-29)
JavaScript live bindings are just concatenation (2020-09-28)
What does the require function do in Node.js? (2020-09-27)
What are JavaScript source maps? (2020-09-26)
JavaScript modules for grumpy developers from 2005 (2020-09-25)
Using BodyPix segmentation in a WebGL shader (2020-09-24)
Running BodyPix on a video stream (2020-09-23)
Resizable boxes in pure CSS! (2020-09-22)
BlazeFace hello world (2020-09-21)
Step-away background removal (2020-09-20)
Tue
Wed
Thu
Fri
Sat
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Edge detection with Sobel filters (2020-08-31)
BodyPix hello world (2020-08-16)
Tue
Wed
Thu
Why does my WebGL alpha-transparency look wrong? (2020-08-12)
Production-ready green screen in the browser (2020-08-11)
How to implement green screen in WebGL (2020-08-10)
How to implement green screen in the browser (2020-08-09)
Tue
Wed
Smear phishing: a new Android vulnerability (2020-08-06)
Fri
Sat
What is the order of NSWindow levels? (2020-08-03)
Mon
Tue
devices(for:) was deprecated in macOS 10.15: Use AVCaptureDeviceDiscoverySession instead (2020-07-31)
Thu
Fri
Sat
Sun
Mon
Tue
Why is the contentRect of my NSWindow ignored? (2020-07-10)
Thu
Fri
Sat
Sun
A probabilistic pub quiz for nerds (2020-04-26)
Tue
How to resolve “the app shows no response upon launch” in App Review (2020-04-24)
Thu
Fri
Sat
Sun
Mon
Time is running out to catch COVID-19 (2020-03-14)
How to record a canvas to video (2020-03-13)
Simulating epidemics in WebGPU (2020-03-12)
Fri
Sat
Sun
Mon
Tue
Wed
Thu
Fri
Game of Life in WebGPU (2020-03-03)
Rule 110 in WebGPU (2020-03-02)
How to write an ArrayBuffer to a canvas (2020-03-01)
When in doubt, don’t blur it out (2020-02-29)
Wed
Thu
Fri
Sat
Sun
Simulating epidemics with WebGL (2020-02-23)
Tue
Wed
Thu
Fri
Sat
Sun
Why does this RNA virus look like DNA? (2020-02-16)
Simulating epidemics (2020-02-15)
Wed
Thu
Fri
Sat
Sun
Diffing coronaviruses (2020-02-09)
Tue
Wed
Thu
Fri
Sat
Sun
Mon
Tue
Is there a route between these two nodes in this directed graph? (2020-01-24)
How to check if a binary tree is balanced (2020-01-23)
How to sort a stack using one additional stack (2020-01-22)
Implementing a queue using two stacks (2020-01-21)
Towers of Hanoi in Haskell (2020-01-20)
A stack with minimum element (2020-01-19)
Implementing a queue using a linked list (2020-01-18)
Implementing a stack using a linked list (2020-01-17)
How to check whether a linked list is a palindrome (2020-01-16)
How to find the middle of a linked list (2020-01-15)
How to reverse a linked list (2020-01-14)
How to partition a linked list (2020-01-13)
How to delete a node from the middle of a linked list (2020-01-12)
How to find kth last node of a linked list (2020-01-11)
How to remove duplicates from an unsorted linked list (2020-01-10)
How to rotate a square matrix in-place (2020-01-09)
Run-length encoding in C (2020-01-08)
How to percent-encode strings in-place (2020-01-07)
Determine whether one string is a permutation of the other (2020-01-06)
How to reverse a string in C (2020-01-05)
Determine if a string has all unique characters (2020-01-04)
Wed
Thu
How does Glitch refresh my app? (2020-01-01)
Sat
Browsing my genome (2019-12-30)
What are CSS percentages? (2019-12-29)
Les Aventures De Toupac - a pixel art game (2019-12-28)
Wed
Thu
Fri
Sat
Sun
Mon
What are CSS variables? (2019-12-21)
Wed
Thu
Fri
Sat
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Summary of ‘Zero to One’, Chapter 9: Foundations (2019-10-07)
How to name a product with reduplication (2019-10-06)
Tue
Wed
Thu
Fri
Sat
Sun
Mon
Tue
Wed
Thu
Fri
What is simulated annealing? (2019-05-28)
What is a McCulloch-Pitts neuron? (2019-05-27)
I can see your local web servers (2019-05-26)
Tue
Wed
Thu
Fri
Sat
Sun
Mon
JavaScript generators are also consumers! (2019-05-18)
What is function* in JavaScript? (2019-05-17)
What are symbols in JavaScript? (2019-05-16)
How to remember stopping distances for the Highway Code (2019-05-15)
Sat
Sun
Mon
Tue
How do JavaScript iterators work? (2019-05-10)
Thu
Fri
Sat
Browser webcam hello world (2019-05-06)
How can I add tags to a Jekyll blog? (2019-05-05)
Does Redis Pub/Sub work with master-slave replication? (2019-05-04)
Wed
Thu
Fri
Sat
Sun
Mon
The inception bar: a new phishing method (2019-04-27)
Wed
Thu
Fri
Sat
Sun
Mon
Node.js addon hello world (2019-04-20)
Electron hello world (2019-04-19)
Thu
Fri
Sat
Sun
Mon
Tue
Wed
Thu
Fri
Vélos, vins et vassaux dans la Loire (2019-04-09)
Sun
Mon
Tue
Wed
Thu
Fri
What is matched betting? (2019-04-02)
What is a prediction market? (2019-04-01)
What is a betting exchange? (2019-03-31)
Probability notation for odds (2019-03-30)
Wed
Thu
Fri
Sat
Sun
Mon
The hacker hype cycle (2019-03-23)
Wed
Thu
Fri
Sat
Sun
Mon
Tue
Why can’t I set the font size of a visited link? (2019-03-08)
Thu
Fri
Sat
Sun
Mon
Project C-43: the lost origins of asymmetric crypto (2019-02-16)
Wed
Thu
Fri
Sat
Sun
Summary of ‘Zero to One’, Chapter 8: Secrets (2019-01-27)
How Hacker News stays interesting (2019-01-26)
Wed
Thu
Fri
Sat
Sun
My parents are Flat-Earthers (2019-01-20)
Tue
Wed
Thu
Fri
Sat
Sun
Mon
Tue
Wed
Thu
How to fix ‘Activating bundler (< 2) failed’ error in your jekyll build (2019-01-09)
How to run Redis Sentinel (2019-01-08)
Sun
Mon
Tue
Wed
Thu
Fri
Sat
How to make a webserver with netcat (nc) (2018-12-31)
How I start Jekyll blog posts (2018-12-30)
How to draw sprites on an HTML canvas (2018-12-29)
A cat walk cycle (2018-12-28)
Thu
Fri
Sat
Sun
Mon
What is document.cookie? (2018-12-22)
Wed
Thu
Fri
A history of time in 40,000 pixels (2018-12-18)
How does a Morris approximate counter work? (2018-12-17)
What is the API for Google Ngram Viewer? (2018-11-25)
Tue
Wed
Thu
Fri
Sat
Sun
Mon
Tue
Wed
How to count at scale at Redis Day London 2018 (2018-11-15)
Fri
Sat
Sun
Mon
Strava route builder API (2018-10-13)
Wed
Thu
Fri
Sat
Sun
Summary of ‘Zero to One’, Chapter 7: Follow the money (2018-09-23)
Tue
Wed
Thu
Summary of ‘Zero to One’, Chapter 6: You are not a lottery ticket (2018-09-19)
Sat
Summary of ‘Zero to One’, Chapter 5: Last mover advantage (2018-09-17)
Summary of ‘Zero to One’, Chapter 4: The ideology of competition (2018-09-16)
Summary of ‘Zero to One’, Chapter 3: All happy companies are different (2018-09-15)
Summary of ‘Zero to One’, Chapter 2: party like it’s 1999 (2018-09-14)
Don’t say ‘simply’, at Write the Docs 2018, Prague (2018-09-13)
Fri
Sat
Sun
How is the Redis sorted set implemented? (2018-04-22)
Tue
Wed
Thu
Fri
Sat
Sun
Mon
The dots do matter: how to scam a Gmail user (2018-04-07)
Wed
Thu
Fri
Sat
Sun
A summary of Managing Oneself by Peter Drucker (2018-04-01)
What are /dev/stdout and /dev/stdin? What are they useful for? (2018-03-31)
Rounding up to the next power of two in C (2018-03-30)
Thu
Fri
What is HTTP keep-alive? What is HTTP request pipelining? (2018-03-27)
Sun
Mon
Tue
How to create an SSH certificate authority (2018-03-16)
A lambda calculus interpreter in Haskell (2018-03-15)
Fri
Sat
Sun
Mon
Hello world in Linux x86-64 assembly (2018-03-10)
Writing a parser in Haskell (2018-03-09)
Thu
Fri
An interpreter in Haskell (2018-03-06)
Sun
Creating a UDP connection with netcat (2018-03-04)
Tue
How does network address translation work? (2018-03-02)
Thu
Fri
What does Linux do with a lost TCP connection? (2018-02-27)
Sun
Mon
What are TCP sequence numbers? (2018-02-24)
Running tcpdump on a TCP connection (2018-02-23)
How does swapping stdin and stderr work? (2018-02-22)
Fri
Hello world in C inline assembly (2018-02-20)
How to make a system call in C (2018-02-19)
Mon
Diary writing prompts (2018-02-17)
Wed
Thu
Fri
Sat
What is the routing table in Linux? (2018-02-12)
How does an IP address get translated to a MAC address? (2018-02-11)
What is a subnet? (2018-02-10)
How does reverse DNS lookup work? (2018-02-09)
Run-length encoding in C (2018-02-08)
How does ping work? (2018-02-07)
What is DHCP? (2018-02-06)
Don’t use nscd (2018-02-05)
Mon
What does getaddrinfo do? (2018-02-03)
Wed
What is tcpdump? (2018-02-01)
Fri
Sat
Sun
Mon
Tue
Wed
Thu
Fri
Don’t say “simply”, at Write The Docs London (2018-01-23)
Sun
A hex compiler in C (2018-01-21)
Tue
Wed
Thu
Fri
Sat
Sun
Mon
Tue
Wed
Bootstrapping a C compiler (2018-01-11)
What is a random oracle? (2018-01-10)
How to hash multiple values (2018-01-09)
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Making a stream cipher (2018-01-01)
Mon
Tue
Wed
Thu
Fri
Sat
osquery: UNIX as a SQL database (2017-12-11)
What is open addressing? (2017-12-10)
What is a TTY? (2017-12-09)
What is modular arithmetic? (2017-12-08)
Inline quizzes (2017-12-07)
Linking to external posts from Jekyll (2017-12-06)
Nativité 2017: creating a Facebook Messenger bot (2017-12-05)
How less works: the terminal’s alternative buffer (2017-12-04)
An encrypted diary using OpenSSL (2017-12-03)
The sorry state of OpenSSL usability (2017-12-02)
Wed
What is ASN.1? (2017-11-30)
UNIX free: used does not mean what you think it means (2017-11-29)
Sat
Diff views in GitHub-Flavored Markdown (2017-11-27)
Nativité, a pastoral Christmas game (2017-11-26)
DNS resolution procedure (2017-11-25)
Adding blog tags (2017-11-24)
Diff views as instructions (2017-11-23)
Fri
Sat
Sun
Mon
Tue
Wed
Thu
Fri
Sat
What is Swift’s @NSApplicationMain annotation? (2017-11-13)
Moving pictures (2017-11-12)
SaaS price models: cost-based pricing vs. value-based pricing (2017-11-11)
Adding a blog header (2017-11-10)
How PHP and Composer find your code (2017-11-09)
I hate telephones (2017-11-08)
A JavaScript Promises implementation (2017-11-07)
How do I release a PHP Composer package? (2017-11-06)
What are promises in JavaScript? (2017-11-05)
Adding Open Graph meta tags to jameshfisher.com (2017-11-04)
Asymmetric encryption with the Web Cryptography API (2017-11-03)
Symmetric encryption with the Web Cryptography API (2017-11-02)
Fri
Signing a string with HMAC using the Web Crypto API (2017-10-31)
Hashing a string with the Web Cryptography API (2017-10-30)
Guest writers (2017-10-29)
Guest post by Luís Fonseca: WebGL shading: both diffuse and specular (2017-10-28)
Forward secrecy with hash ratchets (2017-10-27)
The Three Ts of Time, Thought and Typing: measuring cost on the web (2017-10-26)
Group chat with end-to-end encryption (2017-10-25)
Web Push API in Firefox (2017-10-24)
Giant Game of Life (2017-10-23)
Game of Life implemented with a fragment shader (2017-10-22)
Drawing a cube in WebGL (2017-10-21)
Generated normal-mapped ripples (2017-10-20)
GLSL varying variables (2017-10-19)
Generating a normal map in WebGL (2017-10-18)
Multiple textures in WebGL (2017-10-17)
WebGL shaders with color (2017-10-16)
One-dimensional Perlin noise (2017-10-15)
macOS OpenGL hello world using GLFW (2017-10-14)
WebAssembly hello world (2017-10-13)
WebGL shading: diffuse vs. specular (2017-10-12)
WebGL Lambertian shading (2017-10-11)
WebGL matrix visualization (2017-10-10)
WebGL clipspace point visualization (2017-10-09)
WebGL canvas size vs. CSS size vs. viewport vs. clipspace vs. world space (2017-10-08)
Drawing a clock face with WebGL (2017-10-07)
How to load an image in WebGL (2017-10-06)
WebGL fragment shader animation (2017-10-05)
Textures in WebGL shaders (2017-10-04)
WebGL shader uniforms (2017-10-03)
WebGL fragment shader (2017-10-02)
Mon
Drawing a triangle with WebGL (2017-09-30)
Unicode is only for plaintext (2017-09-29)
Where is the Unicode feed icon? (2017-09-28)
WebGL hello world (2017-09-27)
IndexedDB hello world (2017-09-26)
lldb hello world (2017-09-25)
LocalStorage hello world (2017-09-24)
How can I store things on the browser? (2017-09-23)
Adding an RSS feed to a Jekyll blog (2017-09-22)
How can I encrypt data in the Web Push API? (2017-09-21)
Web Notification API onclick (2017-09-20)
Per-IP rate limiting with iptables external link (2017-09-19) What is the web Push API? (2017-09-19)
ICFP: Ode on a Random Urn (2017-09-18)
Hello world in Rust (2017-09-17)
Coping with depression (2017-09-16)
Why are there 21 million bitcoins? (2017-09-15)
What is a Web App Manifest? (2017-09-14)
What is the web Background Sync API? (2017-09-13)
new Notification(...) is deprecated (2017-09-12)
Service worker hello world (2017-09-11)
What are service workers? (2017-09-10)
How could Bitcoin fail? (2017-09-09)
Publication notifications for static sites (2017-09-08)
What is the web Notification API? (2017-09-07)
Array vs. dictionary pagination (2017-09-06)
Worst interview (2017-09-05)
How to write an essay (2017-09-04)
Running a Laravel+Pusher workshop at work (2017-09-03)
What makes a good blog post title? 5 steps to going VIRAL! (2017-09-02)
August review (2017-09-01)
Post-driven permanent blog pages (2017-08-31)
How do I make a full-width iframe with fixed aspect ratio? (2017-08-30)
A calendar view for this blog (2017-08-29) Securing my Bitcoin (2017-08-29)
What is an extern function in C? (2017-08-28)
What is extern in C? (2017-08-27)
What is static linking in C? (2017-08-26)
What system calls does dlopen use? (2017-08-25)
How to make plugins with dlopen (2017-08-24)
Sentence wrap (2017-08-23)
How to inspect Mach-O files (2017-08-22)
What is C include? (2017-08-21)
What is an authoritative DNS server? What is a recursive DNS server? (2017-08-20)
Does C have generics? (2017-08-19)
What is stdatomic in C? (2017-08-18)
Golang’s realtime garbage collector at GolangUK (2017-08-17)
How do Reddit thumbnails work? (2017-08-16)
Greater-than is redundant (2017-08-15)
Sun
How to distribute a MacOS .dmg (2017-08-13)
How to build a .dmg to distribute MacOS apps (2017-08-12)
How do peer-to-peer programs discover each other? (2017-08-11)
How to trace a DNS lookup (2017-08-10)
What is the rel=canonical tag? (2017-08-09)
How to move your GitHub pages blog to Netlify (2017-08-08)
This site is now on jameshfisher.com (2017-08-07)
Instance DNS in multi-tenant services (2017-08-06)
How to let your users sign in with Google, from scratch (2017-08-05)
How to write a DNS server in Go (2017-08-04)
How can I do DNS lookup in Go? (2017-08-03)
How to implement malloc/free (2017-08-02)
How to watch system calls with dtruss (2017-08-01)
Sun
How to cut out the CA middleman (2017-07-30)
Are concurrent fwrites atomic? No! (2017-07-29)
Wed
Thu
Fri
Notes from Minsk (2017-07-25)
Sun
Mon
Tue
Golang’s realtime garbage collector at GoWayFest, Minsk (2017-07-21)
Thu
Fri
Sat
Sun
Mon
Tue
Wed
Thu
The Fisher Tree at The Realtime Guild (2017-07-05)
Sat
Sun
Pattern jokes via WordNet/NLTK (2017-06-25)
Tue
Wed
Thu
Fri
Sat
Sun
Mon
Tue
Wed
Thu
Fri
Long calendar (2017-06-06)
Sun
Defining the sine function as an oscillator (2017-06-04)
Tue
Wed
Thu
Fri
Sat
Sun
Mon
Tue
Granddad died today (2017-05-19)
Thu
Fri
Sat
Sun
Don’t trust cat! (2017-05-07)
What is the clear program? (2017-05-06)
Wed
Thu
What is CIColorKernel? (2017-05-03)
How to make a Core Image kernel program running on the CLI (2017-05-02)
Sun
How to pass multiple inputs to a CIKernel (2017-04-30)
How to write a webcam app in Swift on macOS (2017-04-29)
What are samples in a Core Image kernel? (2017-04-28)
How to make a custom CIFilter in Swift (2017-04-27)
How to apply a CIFilter to an image in Swift (2017-04-26)
Sat
Sun
How to write ‘hello world’ in TensorFlow (2017-04-23)
What is the simplest neural network? One neuron (2017-04-22)
What is a .app? (2017-04-21)
How to run Swift from the CLI (2017-04-20)
How to write an OpenCL ‘hello world’ on macOS (2017-04-19)
How to write a TCP chat server in 55 lines of Golang (2017-04-18)
What company information is public? What’s on Companies House? (2017-04-17)
What is a business? What is a company? (2017-04-16)
How to create a public-key infrastructure (2017-04-15)
How can I do elliptic curve crypto with OpenSSL? (2017-04-14)
Thu
Fri
Sat
Playing with Stripe (2017-04-10)
Product key server as a service (2017-04-09)
How to implement a ‘free trial’ for macOS apps (2017-04-08)
Multiplexing by looping over nonblocking sockets (2017-04-07)
rxi/vec - a simple C vector library (2017-04-06) What is go tool trace? (2017-04-06)
How do I set a socket to be non-blocking? (2017-04-05)
What is the viewport meta tag? How can I display my website on mobile? (2017-04-04)
How to run go tool trace (2017-04-03)
What is ‘sequencing markets’? (2017-04-02)
Monthly review: 2017-03 (2017-04-01)
Wed
Replay with sound (2017-03-30)
How to prevent autoplay on mobile (2017-03-29)
Varying navbar for mobile and desktop (2017-03-28)
How to use keycastr (2017-03-27)
Mon
Study of framer.com promo video (2017-03-25)
Your password is the private key. So what is the public key? (2017-03-24)
How to get your point across with spaced repetition (2017-03-23)
How do I do public-key signatures with openssl? (2017-03-22)
How do I do public-key encryption with openssl? (2017-03-21)
How is MainMenu.xib found in Cocoa? (2017-03-20)
What is NSApplication? How is it instantiated? What is NSApp? (2017-03-19)
What is Swift’s @NSApplicationMain annotation? (2017-03-18)
How to make a Cocoa application without a .xib file (2017-03-17)
Thu
Fri
Don’t say ‘it will take five minutes’ (2017-03-14)
How do I create a message digest using openssl? (2017-03-13)
How do I hash a password with openssl? (2017-03-12)
How do I fetch a server’s SSL certificate using openssl? (2017-03-11)
Golang’s realtime garbage collector at Not On The High Street Conference (2017-03-10) How do I generate random bytes with openssl? (2017-03-10)
How do I encrypt text with openssl? (2017-03-09)
Fri
Sat
Sun
Mon
Tue
How to add a developer account to XCode (2017-03-03)
How to submit an app build to iTunes Connect (2017-03-02)
What is the Apple Store release process? (2017-03-01) Installing and running ebe (2017-03-01) Monthly review: 2017-02 (2017-03-01) Justifying posts (2017-03-01) Redis Pub/Sub under the hood external link (2017-03-01) How do I create the AppIcon for my app? (2017-03-01)
How to write a TCP server with the pthread API (2017-02-28)
What are the domain and type arguments to the socket system call? (2017-02-27)
What is UTF-8? (2017-02-26)
Should I go paperless? (2017-02-25) How to write a TCP server using the fork syscall (2017-02-25)
What is mode_t in C? (2017-02-24)
How do I print bits in C? (2017-02-23)
Don’t use the word ‘simply’ (2017-02-22) What is ssize_t in C? (2017-02-22)
What is a a FIFO, or “named pipe”? What is mkfifo in C? (2017-02-21)
What is lsof? (2017-02-20) How to write an assembly ‘hello world’ on macOS (2017-02-20)
How to generate Intel and AT&T assembly with clang (2017-02-19)
What are setjmp and longjmp in C? (2017-02-18)
How do I call a program in C, setting up standard pipes? (2017-02-17)
How do I close a file descriptor in C? (2017-02-16)
How do I duplicate a file descriptor in C? (2017-02-15) Golang’s realtime garbage collector, at The Realtime Guild (2017-02-15)
UNIX as a SQL database (2017-02-14)
French preposition examples (2017-02-13)
What are Lamport timestamps? (2017-02-12)
Are processes and messages different? (2017-02-11)
What is the happened-before relation? (2017-02-10)
How to wake up earlier (2017-02-09)
How does GeoDNS work? (2017-02-08) How can I wake up earlier? (2017-02-08)
How do I call a program from C? (2017-02-07)
How do I use fork in C? (2017-02-06)
How do I use execve in C? (2017-02-05)
What are the stages of C compilation? (2017-02-04) WebRTC - low barrier to entry, low barrier to exit? (2017-02-04) FOSDEM: The Challenges and Secrets of the Realtime World (2017-02-04)
How do I generate assembly from a C file? (2017-02-03)
How do I access environment variables in C? (2017-02-02)
Monthly review: 2017-01 (2017-02-01)
What system calls does macOS have? (2017-01-31)
Cloning Spaceteam (2017-01-30) How do I read man pages? (2017-01-30)
In what ways can processes communicate? (2017-01-29)
How can I write a file with mmap in C? (2017-01-28)
How can I read a file with mmap in C? (2017-01-27)
What is mmap in C? (2017-01-26)
What is Coulomb’s law? (2017-01-25)
How to subtract in binary (2017-01-24) Quickly checking for a zero byte in C using bitwise operations (2017-01-24)
What is the type of a constant in C? (2017-01-23)
What is the difference between C constants and C literals? (2017-01-22)
What are lvalue and rvalue in C? (2017-01-21)
What is the UINT64_C macro in C? (2017-01-20)
What is electric current? (2017-01-19)
What is electric charge? (2017-01-18)
How does reliability work in RTCDataChannel? (2017-01-17)
How to write a ‘hello world’ serverless WebRTC app (2017-01-16)
What is STUN? (2017-01-15)
How do C signals interact with the stack? (2017-01-14)
What is sigaction in C? (2017-01-13)
Doing something n times in C with while and decrement (2017-01-12)
How do I unregister a signal handler in C? (2017-01-11)
What does the C signal function return? (2017-01-10)
What are ‘signals’ in C? (2017-01-09)
How does differential signaling work in USB? (2017-01-08)
How does the USB power wire work? (2017-01-07)
What is the Ivy Lee method? (2017-01-06)
Error URLs (addressable errors) (2017-01-05)
What are ‘bitfields’ in C? (2017-01-04)
What is a union in C? (2017-01-03)
How do I pack bits in C? (An answer using masks) (2017-01-02)
How fast does an IP packet travel? (2017-01-01)
What do DNS datagrams look like? (2016-12-31)
What are ‘statement expressions’ in GCC? (2016-12-30)
Thu
Pointer to middle of allocation, part 1 (2016-12-28)
How do I put an array in a struct in C? (2016-12-27)
How do I measure program execution time in C? How do I use the times function? (2016-12-26)
How to write an array literal in C (with explicit indexes) (2016-12-25)
What is perror in C? (2016-12-24)
What are ‘protocol numbers’ in IP? (2016-12-23)
How do I print bytes in C? (2016-12-22)
What is htons in C? (2016-12-21)
How to write a ‘hello world’ HTTP server in C (2016-12-20)
What syscalls does a UDP server need? (2016-12-19)
How to write a TCP server with the kqueue API (2016-12-18)
What is fdset in C? (2016-12-17)
How to write a TCP server with the select syscall (2016-12-16)
What is a “file descriptor”, really? (2016-12-15)
What syscalls does a TCP server need? (2016-12-14)
What is errno in C? (2016-12-13)
What are static functions in C? (2016-12-12)
Mon
How can I do modulo with a bitmask in C? (2016-12-10)
What are ‘macro functions’ in C? (2016-12-09)
What is ‘array decaying’ in C? (2016-12-08)
What are automatic variables (dollar variables) in a Makefile? (2016-12-07)
What is a ‘binary-safe’ string? (2016-12-06)
How do I set the C compiler in a Makefile? (2016-12-05)
What is FILE in C? (2016-12-04)
What does the restrict keyword mean in C? (2016-12-03)
What does const mean in C? (2016-12-02)
What is realloc in C? (2016-12-01) Does C have booleans? (2016-12-01)
What do array subscripts mean in C? (2016-11-30) Can I put comments in string literals in C? (2016-11-30) How do I write a multi-line string literal in C? (2016-11-30) Does C allow pointer arithmetic? (2016-11-30) Where is the C programming language defined? (2016-11-30)
What type should I use to count objects in C? (2016-11-29) What is size_t for? How do I iterate over an object in C? (2016-11-29) How do I find out which preprocessor my C compiler uses? (2016-11-29)
What is static in C? (2016-11-28)
Bike front derailleur (2016-11-27) What is K&R style function definition in C? (2016-11-27) What does void mean as a function parameter in C? (2016-11-27) What is void in C? (2016-11-27)
Tue
Don’t use the word ‘it’ (2016-11-25)
How is the stack laid out in C? (2016-11-24) A C typedef convention for complex types (2016-11-24)
How do varargs work in C? (2016-11-23)
Sat
How does a stream cipher work? (2016-11-21)
Should I buy Huel or Joylent? (2016-11-20)
What is symmetric cryptography? (2016-11-19)
How do I change the resolution on macOS? (2016-11-18)
Summary of ‘Zero to One’, Chapter 1: the challenge of the future (2016-11-17) How do I replace target/action with callbacks in Swift? (2016-11-17) How do I write a UDP server in Go? (2016-11-17) What is an .xcodeproj file? (2016-11-17) What is an .xcworkspace file? (2016-11-17)
Should I get a cleaner? (2016-11-16) A summary of ‘On-the-Fly Garbage Collection: An Exercise in Cooperation’ (2016-11-16) Post every day (2016-11-16) How do I serialize JSON in Swift? (2016-11-16) Learning vim (a short adventure) (2016-11-16)
128 byte of CSS is enough (2016-11-15)
Sun
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How does tricolor garbage collection work? (2016-11-11)
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Forging web security by escaping the browser viewport external link (2016-08-10)
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Low latency, large working set, and GHC’s garbage collector: pick two of three external link (2016-05-12)
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The James Test external link (2015-01-28)
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Understanding the ELF external link (2015-01-26)
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Wikipedia needs an IDE, not a WYSIWYG editor external link (2014-10-25)
Wed
Software developers are not depressed (but everyone else is) external link (2014-10-23)
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Your first-class functions don’t make you functional external link (2014-10-11)
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The price model shapes the product external link (2014-10-06)
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I want problems, not solutions! external link (2014-10-04)
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Nix by example, Part 1: The Nix expression language (2014-09-28)
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Orphaned file detection external link (2014-09-19)
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Git log spelunker (A proposal) external link (2014-09-14)
Documentation for free, or, in-wiki issue tracking external link (2014-09-13)
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Designing a hob knob external link (2014-08-25)
A semantic wiki in Prolog external link (2014-08-24)
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Hide your hyper-links, or, dealing with depth-first syndrome external link (2014-08-21)
Fri
Use a repository as your CI database external link (2014-08-19)
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Mon
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Make = Puppet external link (2014-08-15)
Thu
Documentation black holes: things we write that don’t get read (2014-08-13)
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Sun
Does a branch identify a commit, or does a commit identify a branch? external link (2014-08-10)
Why can’t I see my phone screen in sunlight? (2014-08-09)
Wed
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Configuration files suck external link (2014-07-27) Estimates are not deadlines external link (2014-07-27)
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Your syntax highlighter is wrong (2014-05-11)
Alan Turing’s “royal pardon” is absurd external link (2014-05-10)
Wed
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On the absence of energy and time in the virtual world of applications, or, the misconception of the “distraction-free” mode (2014-05-04)
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A proof that the Halting problem is undecidable, using JavaScript and examples (2013-12-24)
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TODO DAG (2013-12-19)
Fri
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Where is the Firefox application shortcut? (2013-11-19)
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Visualizing world population (2012-10-30)
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The good old 1955s external link (2012-04-16)
Is a crime an occupation? external link (2012-04-15)
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Domain boycotting external link (2012-04-12)
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Boycotting for the masses: a web solution external link (2012-04-08)
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A proposal for visual pure functional programming (2012-02-27)
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The Thatcher effect in typography external link (2010-02-10)
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Page margins in principle and practice external link (2010-01-25)
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Normally, I hand craft my images using vim external link (2010-01-19) Redundant information in unordered lists: fundamental? external link (2010-01-19)
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The long road from HTML to PDF external link (2010-01-17)
Tue
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To what extent did the trial of Giordano Bruno set a precedent for that of Galileo? (2008-02-15)
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Do not ask if I had a good holiday (2007-07-27)
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Tetra Pak: Faithful Friend, Silent Hero, and Protector of All Things Good (2007-05-23)
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What were the principal factors governing state formation in the early modern period? (2007-03-10)
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In what ways might natural magic be seen to have contributed to the emergence of modern scientific method? (2007-02-09)
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‘A liberal revolution that was blown off course’. Is this an adequate description of what happened in France? (2006-12-11)