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THE DAILY INDEX

Technology, AI, software, security, crypto and business

ARTICLES & TUTORIALS

TLDR Web Dev

WRITING A FILE SYSTEM FROM SCRATCH IN RUST

This article explains the fundamental concepts of file systems and their organization by using Rust code examples. By going through the process of writing a file system from scratch, it covers topics such as structuring the disk, including superblocks, bitmaps, inodes, and data blocks. The article also demonstrates how file systems handle large files using various levels of pointers and how directory structures are implemented.

HOW WE ENHANCED OUR TEAM'S DEVELOPER EXPERIENCE

A company was able to greatly improve its developer experience with a few infrastructure changes. The changes resulted in reducing the time to receive CI (Continuous Integration) feedback from over twenty minutes to less than three minutes, with a 75% reduction in local test execution time. It did this by reorganizing the GitHub workflows by separating concerns, reusing Docker test containers, and sharding tests for parallel execution.

HOW MARKETING CHANGED OOP IN JAVASCRIPT

This article discusses the decisions surrounding JavaScript prototypes, examines missteps in the design, and explores how these factors have affected the way we write JavaScript today. One key takeaway is that many developers believe JavaScript has true classes, even though a class in JavaScript is no different from any other function object. JavaScript is not truly object-oriented in the way a language like Java is.

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