Posts

• QMK and Keyboards
  Keyboard layouts and QMK firmware tricks.

  • General
    • Alt keyboard layouts
      Switching from QWERTY to an alternative keyboard layout.
    • Designing a symbol layer
      Ergonomic and character frequency considerations.
    • PSA: Thumbs can get overuse injuries
      Anecdotes, common injuries, countermeasures.
    • Questioning the ergonomics of 40% keyboards
      Smaller ≠ better.
  • Vial
    • Guide to Vial firmware
      First-time use, customization, development.
  • QMK modules
    • Custom shift keys
      They’re surprisingly tricky to get right; here is my approach.
    • Cyclotab
      A swapper implementation for easier Alt+Tabbing.
    • Lumino
      A minimal, opinionated control scheme for RGB matrix lighting.
    • Mouse Turbo Click
      Macro that clicks the mouse rapidly.
    • Orbital Mouse
      A polar approach to mouse key control.
    • PaletteFx
      Palette-based RGB matrix lighting effects.
    • Select Word
      Macro for convenient word or line selection.
    • Sentence Case
      Automatically capitalize the first letter of sentences.
    • SOCD Cleaner
      Enhance WASD for fast inputs for gaming.
    • Achordion
      Userspace predecessor of QMK’s Chordal Hold.
    • Autocorrection
      Userspace version of QMK’s Autocorrect.
    • Caps Word
      Userspace version of QMK’s Caps Word.
    • Layer Lock key
      Userspace version of QMK’s Layer Lock.
    • Repeat Key
      Userspace version of QMK’s Repeat Key.
    • Speculative Hold
      Userspace version of QMK’s Speculative Hold.
    • Tap Flow
      Userspace predecessor of QMK’s Flow Tap.
  • QMK
    • QMK Community Modules
      Reduce the friction to add third-party features.
    • Typing non-English letters
      Several approaches to type symbols like ä, ç, λ.
    • QMK song player
      Play QMK song code in your browser.
    • QMK Macros 1: intro and assortment of practical examples
      An introductory guide to QMK macros with practical examples.
    • QMK Macros 2: triggers, reacting to interesting events
      A guide to implementing various triggers in QMK macros.
    • QMK Macros 3: advanced effects
      Advanced QMK macro techniques including timing effects.
    • Developing QMK features
      Userspace libraries and contributing to QMK.
    • Keycode String
      Format keycodes as human-readable strings.
  • Reference
    • Keyboard FAQs
      Thoughts on topics that come up regularly.
    • Glossary
      Keyboard-related slang, technical jargon, and anatomical terms.
    • Links about keyboards
      Interesting links about keyboards and related topics.

• randmt: MT19937 pseudorandom number generator
  C/C++ code for pseudorandom number generation from several distributions.

• tvreg: Variational Imaging Methods
  C/C++ and Matlab code for image restoration and segmentation.

• Convert between RGB, YUV, HSV, CIE Lab,…
  C/C++ and Matlab code for converting between different color representations.

• Notes on Bregman Iteration
  Bregman theory and algorithms for constrained minimization.

• Lambert W Function Implementation
  Matlab implementation of the Lambert W function on the complex plane.

• Wavelet CDF 9/7 Implementation
  Matlab implementation of the Cohen–Daubechies–Feauveau 9/7 wavelet.

• Image Processing with Matlab
  Image representation, I/O, and linear and nonlinear filtering in Matlab.

• TikZ for High-Quality LaTeX Pictures
  Introduction and examples of TikZ.

• A Quick Introduction to LaTeX
  10-minute tutorial for writing mathematical papers in LaTeX.

• A Guide to the Math Contest in Modeling
  with Brian Camley and Brad Klingenberg

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