~betterdevlink | Bookmarks (211)

A Reintroduction to Programming Imagion composing a BMP image by hand, or writing a executable file manually? What kind of knowledge need to do that? Mastery of computer programming unlocks power, flexibility, speed, and debugging prowess across all of your work. We will learn in depth what you use every day, by exploring memory, instructions, syscalls, functions, structure and cognition.

What is entropy? Engineer no doubt encounters the term entropy quite a bit when it come to randomess. But what is it? how to define it? This is the draft to a book about that exact topic. And here is the introduction post by author.

Introduction to WebAssembly WebAssembly, or WASM for short, is a new technology for running portable programs in a safe and efficient manner primarily aimed at the web platform. Similarly to ASM.js, WASM aims at a low level-of abstraction suitable as an intermediate representation of a higher-level program — i.e. WebAssembly code is intended to be generated by compilers rather than being written by humans....

OpenTelemetry Tracing in 200 lines of code Developers tend to treat tracing as deep magic, and OpenTelemetry is no exception. OpenTelemetry may be even more mysterious given how many concepts your are exposed to even with beginning examples. They are likely a lot simpler than you expect! Once you peel back the layers, I find a useful mental model of tracing looks like “fancy...

Visual guide to SSH tunneling and port If you always confuse with ssh remote port, local port forwarding this visualization might help.

Improving rendering performance with CSS content-visibility On Mastodon, an opensource platform that is similar to Twitter. People can define custom emoji. The op library call emoji-picker-element is used to render the picker. It’s choke with 19k emoji. How can we improve performance here to render a bunch of emojis as fast as possible.

Optimising your Database for Analytics Your database is configured for the needs of your day-to-day application activity, but what if you need to run complex analytics queries against your application data? Let’s look at how you can optimise your database for an analytics workload without compromising the performance of your application.

Detecting the use of "curl | bash" server side Installing software by piping from curl to bash is obviously a bad idea and a knowledgable user will most likely check the content first. So wouldn’t it be great if a malicious payload would only render when piped to bash? A few people have tried this before by checking for the curl user agent which...

Cryptography in Go: AES encryption Lets learn how to encryption and decrypt with AES. You will learn stuff like AES-CBC or AWS-GCM. It uses Go as the language but the idea can be applied to your favorite langugage.

Why MySQL Replication Is Fast Replication being slow—replication lag—is a common complaint, but MySQL replication is actually really fast. Let’s run a controlled experiment and peek inside the Performance Schema and binary logs to see why.

fair a Go library designed to ensure fairness in the resource-constrained environments. It helps distribute the limited resources (e.g., database/blob storage throughput, job execution resources etc.) evenly across multiple clients during the time of shortage, preventing over-allocation and starvation based on client behavior.

HubSpot's Smart CRM offers a comprehensive, customizable company record, allowing marketing, sales, and service teams to have a single, unified view of the customer However, most GTM teams still struggle to understand how customers are using their products. Now, teams can combine the power of HubSpot and Amplitude’s customer behavior data to accelerate growth. The new and improved Amplitude app for HubSpot allows you...

nextgen Generate your next Rails app interactively! This template includes production-ready recommendations for testing, security, developer productivity, and modern frontends. Plus optional Vite support! ⚡️

iou a Ruby gem for working with the io_uring API. IOU provides a simple and idiomatic API for working with io_uring.

LLaMA-Omni a low-latency and high-quality end-to-end speech interaction model built upon Llama-3.1-8B-Instruct, aiming to achieve speech capabilities at the GPT-4o level.

The Ultimate Web Reconnaissance & Vulnerability Scanner 🚀 your ultimate web application reconnaissance suite, designed to supercharge the recon process for security pros, pentesters, and bug bounty hunters. It is go-to web application reconnaissance suite that’s designed to simplify and streamline the reconnaissance process for all the needs of security professionals, penetration testers, and bug bounty hunters

scramble an open-source Chrome extension that leverages AI to enhance your writing directly in your browser. It’s designed to be a more customizable and privacy-respecting alternative to Grammarly.

maelstrom a suite of tools for running tests in isolated micro-containers locally on your machine or distributed across arbitrarily large clusters. Maelstrom currently has test runners for Rust, Go, and Python, with more on the way.

sops Simple and flexible tool for managing secrets. Used to be managed by Mozilla but become a community project now.

Cryptography 101 with Alfred Menezes Alfred Menezes, a professor in the Department of Combinatorics and Optimization, Faculty of Mathematics, at the University of Waterloo in Canada. His research field is cryptography. He has made quite a few of his lecture available for free, both of slide, video, exercises and handout.