Hi, I'm Christoph Michel 👋

I'm a , , and .

I mostly do and help small to mid-sized teams from all over the world 🌎 on both short and long-term projects on an independent contractor basis.

I strive for efficiency ⏱️ and therefore track many aspects of my life.

Latest Articles

  1. How to install an old package version with brew

    Sometimes you need to roll back to a previous version of a brew package. If the brew package maintainers do versioning this is as easy as typing . Often times, there’s no versioning system though and the only available version is the latest one. In previous versions you could…

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  2. Fixing C++ compilation bugs for the MacOS Catalina upgrade

    I recently updated to macOS Catalina and encountered several issues with programs that use a C/C++ compiler. If you see any of these errors this post might be helpful for you: Or any error indicating that a standard library couldn’t be found: What’s the issue? The issue is that…

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  3. Progress Report - August 2020

    I post a progress report showing what I did and how my products performed each month. Last month’s report can be seen here. What did I do Hours worked on side-projects in August I worked 78 productive on side projects hours last month. To make these progress reports a bit more…

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  4. Progress Report - July 2020

    I post a progress report showing what I did and how my products performed each month. Last month’s report can be seen here. What did I do Hours worked on side-projects in July I worked 53 productive on side projects hours last month. To make these progress reports a bit more…

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  5. Obfuscating EOSIO smart contracts

    There are classes of smart contracts where one would rather not reveal how they work internally. It’s a common theme with private smart contracts that are not intended for other users, for example, trading bot smart contracts because arbitrage trading is a very competitive zero…

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  6. Progress Report - June 2020

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  7. Progress Report - May 2020

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  8. Typing transformations in TypeScript

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  9. Progress Report - April 2020

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  10. 8 EOSIO WASM intrinsics you might not have heard about

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  11. EOSIO C++ IntelliSense in VSCode

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  12. Implementing efficient Dividend tokens

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  13. Testing EOSIO smart contracts with Hydra

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  14. Progress Report - March 2020

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  15. Progress Report - February 2020

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  16. How to check if an EOS account has a smart contract

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  17. Launching EOS Token Portfolio

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  18. How to deploy a create-react-app with github-actions

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  19. Progress Report - January 2020

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  20. How to rollback to an older EOSIO.CDT version with brew

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  21. Goals 2020

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  22. Progress Report - December 2019

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  23. De-anonymizing eosblender.com

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  24. EOSIO - How to pay for users' CPU

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  25. EOSIO Dev Puzzle - What's the max amount of RAM that can possibly be consumed by storing a single uint64

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  26. Progress Report - November 2019

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  27. Earn on your unused CPU and help the EOS network!

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  28. Progress Report - October 2019

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  29. Progress Report - September 2019

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  30. What really happened during the EOSPlay hack

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  31. Progress Report - August 2019

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  32. Progress Report - July 2019

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  33. How to fetch any secondary EOSIO table index using eosjs

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  34. Progress Report - June 2019

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  35. Advanced EOSIO programming concepts

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  36. Progress Report - May 2019

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  37. How EOS code and ABI hashes are computed

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  38. Progress Report - April 2019

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  39. Blog redesign with Gatsby and TailwindCSS

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  40. Progress Report - March 2019

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  41. How to create beautiful epub programming ebooks

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  42. Progress Report - February 2019

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  43. Progress Report - January 2019

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  44. How to write pandoc plugins in Nodejs

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  45. Goals for 2019

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  46. Progress Report - December 2018

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  47. Deferred Transactions on EOS

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  48. Difference Boolean Constructor and Double Negation

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  49. Progress Report - November 2018

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  50. Deploying EOS contracts using EOS.js

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  51. Progress Report - October 2018 - No more mobile apps 😬

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  52. EOS 1.3 Contract Development Toolkit Updates

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  53. C++ Guide for EOS Development - Header files

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  54. C++ Guide for EOS Development - Multi-Index Container

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  55. Progress Report - September 2018

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  56. C++ Guide for EOS Development - Iterators & Lambda Expressions

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  57. C++ Guide for EOS Development - Templates

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  58. C++ Guide for EOS Development - Classes and Structs

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  59. Progress Report - August 2018

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  60. C++ Guide for EOS Development - Call by value / reference

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  61. C++ Guide for EOS Development - Basics

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  62. Learnings from building my first dapp on EOS blockchain

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  63. Progress Report - July 2018

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  64. Introducing King of EOS 🥁

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  65. Bugs in V8's Exponentiation Operator

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  66. Progress Report - June 2018

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  67. Building a landing page in Vue.js

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  68. React just got ugly - React 16.4 Update

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  69. Progress Report - May 2018

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  70. Async / Await - Return values

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  71. React - Fun with keys

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  72. Progress Report - April 2018

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  73. You might not need React Context

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  74. Importing Blender 3D Model with Texture to Three.js

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  75. Progress Report - March 2018

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  76. Lazy-loading images with React and Semantic UI

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  77. Thoughts on making EOS development easier

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  78. Progress Report - February 2018

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  79. How to access Google Spreadsheets with Node

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  80. Differences in Defining ES6 Class Methods

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  81. Creating a Remind-Me bot for Steem

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  82. Progress Report - January 2018

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  83. Splitting your app into micro-processes

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  84. Book Review - Attack of the 50 Foot Blockchain

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  85. How does Steem work, anyway?

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  86. Goals for 2018

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  87. Progress Report - December 2017

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  88. How to cross-post to Steem

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  89. How to cross-post to Medium

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  90. Progress Report - November 2017

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  91. Released my fifth React Native app

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  92. Trying DynamoDB for the first time

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  93. Progress Report - October 2017

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  94. Progress Report - September 2017

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  95. Headless Chrome in Node.js

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  96. Progress Report - August 2017

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  97. Progress Report - July 2017

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  98. React Native CodePush Cheat Sheet

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  99. Progress Report - June 2017

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  100. Progress Report - May 2017

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  101. Lightweight Progress Circles in React Native

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  102. Progress Report - April 2017

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  103. Book Summary - Clean Code

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  104. Progress Report - March 2017

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  105. Getting Song Lyrics in Node.js

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  106. Creating Dynamic Promise chains

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  107. Progress Report - February 2017

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  108. Google Drive in React Native

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  109. JavaScript void Keyword

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  110. Progress Report - January 2017

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  111. How to use D3.js in React

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  112. Playing around with Relay and GraphQL

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  113. Book Summary - Heard On The Street - Quantitative Questions from Wall Street Job Interviews

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  114. Creating Google AdSense Reports with Express

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  115. Progress Report - December 2016

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  116. Book Summary - On Writing Well

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  117. How is async/await transpiled to ES5

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  118. How are generators transpiled to ES5

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  119. Released my fourth React Native app

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  120. Styling TimePickerAndroid in React Native

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  121. Structuring Redux Selectors

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  122. How to set appParams in React-Native

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  123. Progress Report - November 2016

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  124. Book Summary - Team Geek

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  125. How to create a React Native Android Library

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  126. Ultimate Guide to non-working CSS margins

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  127. How to use React in Markdown

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  128. How to migrate from Wordpress to Phenomic

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  129. Moving from WordPress to a Static Site Generator

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  130. Publishing React Native App on Android

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  131. What I learned from building my first React Native App

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  132. Set React Native App Icon When Minimized

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  133. Charts in React Native with React-Native-SVG and D3.js

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  134. How to add Permissions in React Native

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  135. How to Get The Size of a React Native View Dynamically

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  136. Performance Optimizations in Redux' mapStateToProps

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  137. How to create a Pull Request on GitHub

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  138. Why you should not use mapStateToProps too often

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  139. Modifying a Leaf of the Redux State Tree

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  140. Styling DatePickerAndroid in React Native

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  141. How to create a More-Popup Menu in React-Native

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  142. Better JS Logger for Debugging

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  143. Limitations of the react-native JS engine

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  144. Enumerating a Grid in Spiral Order

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  145. Using Actions in Redux the Correct Way

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  146. Drawing Fractals with L-Systems in D3.js

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  147. Moving Wordpress to a different domain

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  148. Javascript ES6 + Babel.js + Grunt with Sublime Text

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  149. Howto Raytracer: Ray / Triangle Intersection Theory

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  150. Howto Raytracer: Ray / Plane Intersection Theory

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  151. Howto Raytracer: Ray / Sphere Intersection Theory

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  152. Creating seamless textures the easy way

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  153. Understanding front faces - winding order and normals

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