Parse notes
For many startups, the complexity and cost of cloud services can be replaced with a smaller, simpler setup. A self-hosted $200 infrastructure setup can easily handle up to 100k monthly users without breaking a sweat. The setup consists of PostgreSQL, a load-balanced API with automatic SSL using Caddyserver, and Docker for simple deployments and scaling.
To conduct large-scale A/B tests without sacrificing user experience, Unacademy engineered a solution using AWS serverless tech. Instead of determining which test variant to show after the page loads (causing a distracting flicker), its team selected a test variant before the webpage even reached the user's browser. This was done by running code at the network edge to intercept requests, determine the variant, and fetch the appropriate content from the CDN.
One of the root problems with web styling is the “two-tree problem,” which is the need to maintain separate, interconnected trees for document structure (HTML) and styles (CSS). TailwindCSS solves the two-tree problem with atomic CSS, but its composability is limited due to potential CSS class conflicts. Styled components offer composability, but don't solve the two-tree problem. Inline styles combined with JavaScript can handle most styling needs without running into the two-tree problem.
Constructive feedback can be given in a way that builds trust and strengthens relationships - even to a manager. You should ask for permission to give feedback first before giving feedback and make sure that your feedback actually helps the other person grow. Feedback should be focused on specific observations paired with explanations and actionable advice.
Developers spend most of their time thinking rather than typing code. They read existing code, understand requirements, and thoroughly document possible changes before making them. The actual concrete output of devs isn't always present in the number of actual code changes, meaning developers do a lot of “invisible work.”
Most developers feel that in order to be good at their job, they have to believe in the company's product and find their work meaningful. Just clocking in and clocking out is difficult when work takes up over half of someone's waking hours. As a result, they find that they increasingly attach themselves to the work they do and the resulting success.
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Quill is a rich text editor that has official TypeScript support, support for multiple editors on the same page with different configurations, auto-scrolling container detection, a smoother editing experience, and more.
A copyable table component with server-side sorting, filtering, and pagination. It supports key features that are seen in popular applications like Notion and Linear.
ChatGPT works by predicting the next most likely word. After ChatGPT receives text, it breaks down the text into tokens. These tokens are converted into numerical vectors that represent their meaning and relationships to other words. The vectors, called embeddings, are multiplied by a massive matrix of weights (parameters) that have been learned during the training process. The result of the multiplication is a probability distribution over possible next words. ChatGPT samples a word from this distribution to continue the text.
This author was frustrated with bugs, slowness, and limited debugging features in VSCode. Specifically, slow debugging, a limited watch panel, and a lack of GDB integration led them to create their own text editor. Their new editor prioritizes debugger speed, flexible watch variables, and smooth performance with large files. It already includes core features like syntax highlighting, find functionality, and support for GDB and other debugging protocols.
First-time startup founders often fail due to mistakes caused by a lack of experience. Successful founders' first startups often failed because they tried to scale before reaching product-market fit, hired too early, validated with the wrong people, and didn't create a 10x better solution. Successful startups have good founder-market fit and balance user feedback with their own product vision.
Before starting a project, it's important to evaluate what the project really needs in terms of tech.
Companies like Meta enable much faster promotions than companies like Google and Amazon, so it's important to pick the company you work for wisely if your goal is to get promoted fast.
Airbnb's JavaScript style guidelines for writing clean, maintainable, and efficient JavaScript code.
Pnpm just released v9.0, improving the lockfile format and providing better resolution of peer dependencies.