Notepad Calculator, a web-app for mixing plain text notes with calculations, has been open sourced. The app was initially created in 2015 and later updated in 2022 with a backend, user accounts, and the ability to create multiple ...
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The text is a review of the year 2023 for Readlang, a language learning web-app. It covers various aspects such as revenue, new signups, starting a Spanish company, infrastructure, analytics, tech debt, features, monetization, des...
The author shares the story of his language learning startup, Readlang, and how it was acquired by Duolingo, leading to his work on other projects. After leaving Duolingo, he bought back Readlang and is now focused on improving it...
The author reflects on their decision to start wearing a traditional watch again after 20 years, citing the distraction of smartphones as the main reason. They list the various benefits of wearing a watch and compare it to smart-w...
0Back To Bootstrapping
2025-03-13 • software entrepreneurship duolingo
The author is back to bootstrapping his own software projects after working at Duolingo for a few years. He left the company to work on his own projects and follow his curiosity. He felt that he had achieved what he wanted at Duol...
0I'm Joining Duolingo
2025-03-13 • blogging career software development startup
The author talks about the success of his blog post and how he was approached by the co-founder of Duolingo for a job. He discusses his decision to join Duolingo while still maintaining his own project, Readlang.
The author discusses his experience of creating a language learning web-app, Readlang, over the past 3 years. He shares the struggle of growing the usage and revenue, and the challenges of being a bootstrapper. Despite the low rev...
The text discusses the usability problems of laptops, such as small displays and poor ergonomics, and proposes a solution using a separate USB powered monitor to create a dual display setup. The author also shares the advantages a...
The text is about the author's language learning startup, Readlang, and the journey of developing the web app. It includes details about the idea, development process, user feedback, and revenue growth over time.
The author discusses the speed of Chrome for iOS and compares it to the Nexus 5. Benchmarking tests reveal that iOS Chrome is significantly slower than iOS Safari and the Nexus 5, leading the author to switch to Safari for daily b...
The author is spending the summer in Madrid and is working on a language learning project. They discuss the heat in Madrid and their strategy for staying cool, including using an evaporative air cooler. The author tests the cooler...
0Go to your email
2025-03-13 •
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0Surprise Visitors
2025-03-13 •
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The text discusses essential Javascript libraries, including jQuery, Underscore.js, Async.js, Backbone.js, and RequireJS. These libraries are compact, well-designed, and essential for large projects. They provide DOM manipulation,...
The author reflects on their first year in web development, highlighting the advantages of web applications over native software and expressing enthusiasm for the modern browser environment. They discuss the ease of prototyping, t...
The author started a new position a few months ago and is having issues with the boss. The boss expects quick progress all the time and gets upset when there's no visible progress. The boss decided to drop everything and start wor...
0A Welcome Delay
2025-03-13 • web development freelancing projects csl editing
The author quit full-time employment to move to Spain, learn web development, and work on personal projects. However, the plan was delayed when the author was asked to work on the CSL Editor project as a freelancer. Despite initia...