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Welcome to issue 222 of Programmer Weekly. Let's get straight to the links this week.

Quote of the Week

"Referential transparency is a very desirable property: it implies that functions consistently yield the same results given the same input, irrespective of where and when they are invoked." - Edward Garson

Reading List

Linux's Bedtime Routine
The article explores the technical processes involved in transitioning a Linux system from an active state to hibernation. It details the mechanisms for synchronizing filesystems, managing power states, and the underlying kernel functions that facilitate this transition, using Linux version 6.9.9 as a reference point.

WebP: The WebPage compression format
The post discusses using WebP as a compression format for entire web pages, not just images. It proposes encoding HTML, CSS, and JavaScript into a single WebP file to reduce file size and improve load times, especially for static content on platforms like GitHub Pages that don't support Brotli compression.

Tips for building Bubble Tea programs
The article provides tips for building terminal user interfaces (TUIs) using the Bubbletea framework in Go. It covers topics such as optimizing performance, debugging techniques, managing model updates, handling concurrent events, structuring complex applications, and dealing with layout challenges.

Optimizing search relevance at Instacart using hybrid retrieval
The article discusses Instacart's approach to improving search relevance using a hybrid retrieval system that combines traditional keyword-based search with semantic search. This system, which integrates BM25 and dense retrieval methods, has led to significant improvements in search quality and user experience, resulting in increased customer satisfaction and business growth for Instacart.

Pushy to the Limit: Evolving Netflix’s WebSocket proxy for the future
The article discusses the evolution of Pushy, Netflix's WebSocket server, which has grown to handle hundreds of millions of concurrent connections and deliver hundreds of thousands of messages per second. It details improvements in message processing, scaling strategies, and new features like direct push and device-to-device messaging, all while maintaining 99.999% message delivery reliability.

Invisible Salamanders Are Not What You Think
The article discusses cryptographic vulnerabilities in message franking systems, particularly those used by Facebook Messenger. It explains how these vulnerabilities, nicknamed "invisible salamanders," can be exploited to create undetectable abusive messages, and highlights the importance of proper cryptographic design in secure messaging systems.

Good software development habits
The article presents 10 good software development habits that have helped the author improve speed and quality in product development.

Watch and Listen

The State of Full-Stack OCaml
The video features an interview with Antonio Monteiro, a key contributor to Melange and ReasonML, discussing the integration of OCaml with JavaScript and web development. It explores the benefits of OCaml, the adaptation of its compiler for web developers, and various projects like Melange that enable OCaml to be used for full-stack development, including writing React applications.

Hylo - The Safe Systems and Generic-programming Language Built on Value Semantics
The video features Dave Abrahams discussing Hylo, a new programming language built on strict mutable value semantics (MVS), at the C++ on Sea 2024 conference. He explains Hylo's design principles, its progress from an experimental stage to having a working compiler, and its potential to shape the future of programming by offering improved safety, ease-of-use, and efficiency.

Proxy vs Reverse Proxy vs Load Balancer | Simply Explained
Understand the difference of Forward Proxy vs Reverse Proxy and Load Balancer with examples. Whether you are an engineer or just curious about how the internet works behind the scenes, in this video we will break down this complex concepts in simple, easy to understand terms.

AI prompt engineering: A deep dive
Some of Anthropic's prompt engineering experts—Amanda Askell (Alignment Finetuning), Alex Albert (Developer Relations), David Hershey (Applied AI), and Zack Witten (Prompt Engineering)—reflect on how prompt engineering has evolved, practical tips, and thoughts on how prompting might change as AI capabilities grow.

Interesting Projects, Tools and Libraries

Laminar
Open-source DataDog + PostHog for AI agents / RAG apps. Fast, reliable and insightful.

proctrace
A high-level profiler for process-level events such as fork, exec, exit, setpgid, and setsid.

tetris-sql
Using SQL's Turing Completeness to Build Tetris.

CAR
car is a tool to create and extract archives without copying data.

Wealthfolio
A Beautiful Private and Secure Desktop Investment Tracking Application.

Binsider
Analyze ELF binaries like a boss.

Yaak
The most intuitive desktop API client.

Qustar
Query SQL database through an array-like API.

YourNextStore
Modern Commerce with Next.js and Stripe as the backend.

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