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70 LARGE AI INVESTMENT ROUNDS FROM 2024 ACROSS 10 CATEGORIES - PART 1

AI startups with a focus on compute infrastructure, AI models, content generation, and healthcare applications have received over $18 billion in funding this year.

DEVELOPERS WANT MORE, MORE, MORE: THE 2024 RESULTS FROM STACK OVERFLOW'S ANNUAL DEVELOPER SURVEY

The 2024 Stack Overflow Developer Survey revealed that JavaScript and PostgreSQL remain the most popular technologies, while Rust and Markdown are the most admired. Developers are increasingly frustrated by technical debt at work, but they don't perceive AI as a threat to their jobs. Although 76% of developers are using or planning to use AI tools, many remain skeptical about their accuracy and ability to handle complex tasks.

THE PROCESS THAT KEPT DYING

This article recounts the author's experience debugging a memory leak in a Node.js application. The story began with intermittent "502 Bad Gateway" errors on a crowdfunding website, leading the author to suspect PM2, a process manager, as the culprit. After ruling out PM2, the investigation focused on a memory leak within the Next.js application. The author used tools like Chrome DevTools to take heap snapshots and identified Moment.js as the source of the leak. It simply needed to be upgraded to fix the leak.

HOW AIRBNB SMOOTHLY UPGRADES REACT

Airbnb faced challenges upgrading its massive React codebase due to dependency management and performance concerns. To overcome these, its team developed a React Upgrade System that enabled incremental upgrades, module aliasing, environment targeting, and rigorous testing. The system allowed Airbnb to smoothly transition to React 18 while maintaining code quality and user experience.

AI CRAWLERS NEED TO BE MORE RESPECTFUL

Read the Docs is experiencing a surge in abusive site crawling by AI products and services, leading to significant bandwidth costs and time spent dealing with abuse. These AI crawlers are aggressively downloading content without basic checks, resulting in repeated downloads of large files and heavy traffic from numerous IP addresses. The company has been forced to block several sources of abusive traffic and is facing financial strain due to the increased bandwidth charges.

LET'S CONSIGN CAP TO THE CABINET OF CURIOSITIES

The CAP theorem, a foundational concept in distributed systems, is largely irrelevant for cloud-based applications. Cloud systems are typically designed with redundant connectivity and routing mechanisms, allowing them to offer both strong consistency and high availability even in the presence of network partitions. Engineers should be focusing on more practical trade-offs in cloud systems, such as durability vs. latency and consistency vs. throughput, rather than dwelling on the CAP theorem.

AI DIDN'T TAKE MY JOB

Despite the hype surrounding AI's ability to replace developers, it hasn't happened. While AI tools like GPT are impressive, they have significant limitations, particularly in terms of memory and ability to solve complex problems. The fear of AI replacing developers stems from the misconception that GPT's rapid progress will continue indefinitely and the human tendency to dwell on apocalyptic scenarios.

GEMINI'S BIG UPGRADE: FASTER RESPONSES WITH 1.5 FLASH, EXPANDED ACCESS, AND MORE

Google has announced an update to Gemini. The update includes a faster version called Gemini 1.5 Flash, available for free, which offers improved response quality and a quadrupled context window. Gemini now also provides related content links within its responses to combat hallucinations and improve accuracy. It is now available in more languages and countries and has been integrated into Google Messages and mobile devices.

SEARCHGPT

OpenAI has released SearchGPT, an open beta prototype of their new search features.

CHARTBREW

Chartbrew is an open-source platform that transforms data from databases and APIs into interactive charts and dashboards. It offers a suite of tools for building, customizing, and sharing data visualizations.

AI ACHIEVES SILVER-MEDAL STANDARD SOLVING INTERNATIONAL MATHEMATICAL OLYMPIAD PROBLEMS

DeepMind's AI systems, AlphaProof and AlphaGeometry 2, have achieved a significant breakthrough in mathematical reasoning by solving four out of six problems from the International Mathematical Olympiad, earning a silver-medal level score. AlphaProof, a reinforcement learning system, tackled problems in algebra and number theory, even solving the most challenging problem. AlphaGeometry 2, an improved version of its predecessor, did well in geometry, proving one of the problems within 19 seconds.

THE BIZARRE SECRETS I FOUND INVESTIGATING CORRUPT WINAMP SKINS

Jordan Eldredge, a Winamp enthusiast, discovered bizarre and unexpected content while investigating seemingly corrupted Winamp skins. He found encrypted files, personal messages, a hidden biography, and even a worm game. His research led him to uncover 56 previously unknown Winamp skins hidden within others, proving that a large enough collection of user-created content can reveal unexpected and weird discoveries.

WHEN OBJECTS ARE NOT ENOUGH

Object-Oriented Programming (OOP) has changed a lot throughout the years. “Real OOP” focuses on messaging, encapsulation, and late binding, not just organizing code into classes and methods. While OOP has its merits, it's not a silver bullet, and alternative approaches, such as message broadcasting and the use of actions as objects, are still useful solutions for complex systems.

STACK-PR

Stack-PR is a command-line tool that helps you create multiple GitHub pull requests (PRs) all at once, with a stacked order of dependencies.

ANNOUNCING A CHANGE TO THE DATA-DUMP PROCESS

Stack Overflow is changing its data dump process to provide access through user profiles to encourage commercial users to contribute back to the community.

HAYSTACK

Haystack is an IDE built on top of a canvas.

APPLE MAPS ON THE WEB LAUNCHES IN BETA

Apple Maps on the web is available in public beta, allowing users around the world to access Maps directly from their browsers.

STATE OF REACT 2023

The results of the 2023 State of React survey have been released. React is still the most popular web dev framework. React Server Components was the biggest change since React Hooks were introduced in 2018. Hooks has achieved widespread adoption, but Server Components requires deeper integration, so it may not see the same level of immediate adoption.

ANYONE CAN ACCESS DELETED AND PRIVATE REPOSITORY DATA ON GITHUB

Truffle Security found a huge security flaw on GitHub where deleted and private repository data can be accessed by anyone. The issue is due to GitHub's repository network architecture, which allows forks to retain access to commit data even after the original repository is deleted or its visibility is changed. This vulnerability allows attackers to potentially access sensitive information like API keys and private code.

CSS GRID AREAS

CSS Grid Template Areas lets you define your grid layout using named areas, making it more intuitive for complex layouts. It also simplifies creating responsive layouts by allowing adjustments to grid area definitions based on screen sizes. This article goes over the basics of CSS Grid Areas with lots of visual examples.

WILL FIGMA BECOME AN AWKWARD MIDDLE GROUND?

The current use of Figma as a middle ground for design might become obsolete as AI advances. AI will enable designers to quickly generate code from sketches, bypassing the need for vector-based tools like Figma. This shift will require a rethinking of design workflows, potentially moving towards low-fidelity, AI-friendly sketching tools that provide more structure for AI to interpret and generate code.

ASK HN: AM I CRAZY OR IS ANDROID DEVELOPMENT AWFUL? (HACKER NEWS THREAD)

This developer is frustrated with the difficulties of developing a simple Android app to display a webcam feed. Despite having a working Python script for desktop platforms, integrating USB webcam libraries and dealing with compatibility issues in Android Studio has proven extremely challenging. They tried alternative solutions like Kivy and Beeswax but faced esoteric errors that were impossible to fix.

EVERY COMPANY SHOULD BE OWNED BY ITS EMPLOYEES

This article discusses Central States Manufacturing, a company owned by its employees through an Employee Stock Ownership Plan (ESOP). This system allows employees to own a percentage of the company, which benefits them financially as the company grows. The author argues that ESOPs are the best solution to wealth disparity and is glad that more companies are offering ESOPs.

MASKA

Maska is a lightweight JavaScript library that allows you to create input masks without any external dependencies.

DOM TO SEMANTIC MARKDOWN

DOM to Semantic Markdown efficiently extracts web content for LLMs, preserving semantic structure, reducing token usage, retaining metadata, and enhancing LLM processing and reasoning.

ZEROX OCR

A fast way to OCR a document for AI ingestion. You can pass in a PDF URL or a file itself, which is then transformed and returned as Markdown.

ALEXA IS IN MILLIONS OF HOUSEHOLDS—AND AMAZON IS LOSING BILLIONS

Amazon's Echo devices have been a major financial drain for the company. The strategy of selling the devices at low prices, hoping to profit from downstream spending within the Amazon ecosystem, has not yielded the expected returns. Former CEO Jeff Bezos's focus on market share and rapid growth led to significant losses, which current CEO Andy Jassy is now attempting to rectify through cost cutting and monetization.

SOLVING THE OUT-OF-CONTEXT CHUNK PROBLEM FOR RAG

THE PUZZLE OF HOW LARGE-SCALE ORDER EMERGES IN COMPLEX SYSTEMS

This article explores the puzzle of how large-scale order emerges from complex systems, a phenomenon known as emergence. Researchers are developing a framework to understand this, suggesting that emergence arises through a hierarchical structure of independent levels, akin to "software" running on the natural world. This framework uses computational mechanics to identify criteria for emergent systems, analyzing them across different scales, from neural networks to urban landscapes.

NODE ADDS EXPERIMENTAL SUPPORT FOR TYPESCRIPT

Node.js has added an experimental flag called --experimental-strip-types that transpiles TypeScript source code into JavaScript source code.

DUNGEONS & DRAGONS TAUGHT ME HOW TO WRITE ALT TEXT

This author learned to write effective alt text describing scenes in Dungeons & Dragons and engaging image descriptions for accessibility.

A NEW PATH FOR PRIVACY SANDBOX ON THE WEB

Google is proposing a new approach for Privacy Sandbox on the web that elevates user choice by allowing users to make informed decisions about third-party cookies.

ALTERNATIVE TEXT IN ACTION

Alt text allows people with visual impairments to understand image content.

THE BIGGEST-EVER GLOBAL OUTAGE: LESSONS FOR SOFTWARE ENGINEERS

CrowdStrike caused a global outage by pushing a faulty configuration update to its Falcon product, resulting in the crash of 8.5 million Windows machines. The update aimed to enhance threat detection but contained a logic error that caused the CSAgent.sys process to crash the operating system. The recovery process was slow and manual, requiring physical access to each impacted machine. While CrowdStrike is primarily responsible, Microsoft's inability to restrict third-party software from running at kernel level due to a 2009 agreement with the European Commission also worsened the situation.

HOW CANVA COLLECTS 25 BILLION EVENTS PER DAY

Canva's product analytics pipeline collects 25 billion events per day with high uptime, using Protobuf to define event schemas and Datumgen to generate code and enforce compatibility rules. The event collection process starts with analytics clients on various platforms, then events are validated and enriched in ingest-workers before being sent to a Kinesis Data Stream (KDS). KDS serves as the primary streaming platform, with SQS as a fallback for overflow protection and failover mode.

RUBY METHODS ARE COLORLESS

Ruby methods are "colorless," meaning there's no distinction between synchronous and asynchronous methods, allowing for asynchronous behavior without explicit markers. Ruby achieves this through independent call stacks, enabled by Threads and Fibers, which allow for switching between tasks without blocking the main thread. This concurrency model, similar to Go's, allows for efficient handling of blocking operations like file reading, HTTP calls, and database queries.

SOFTWARE ENGINEERS ARE NOT (AND SHOULD NOT BE) TECHNICIANS

A good software engineer should automate repetitive tasks, which is not incentivized in most large tech companies. These companies tend to favor predictability and hire technicians who do well-understood work instead of engineers who tackle unpredictable challenges. This focus on predictability leads to over-hiring and reduced productivity.

I'VE USED (AND LOVED) RUST FOR ~10 YEARS. HERE ARE THE WAYS IT DISAPPOINTS ME

This author loves Rust, but finds some of the syntax cumbersome, especially for library and application code. The orphan rule and the flexibility of the module system can make organizing code difficult. Compile times and IDE tooling are also slow, particularly for large projects.

HOW TO USE PERPLEXITY IN YOUR DAILY WORKFLOW

Perplexity is useful thanks to its ability to choose between different AI models and a Pro Search function that asks clarifying questions. It can be integrated into daily workflows for tasks like morning briefings, fact-checking, brainstorming, and writing assistance.

GLHF CHAT

GLHF Chat allows you to chat with any open-source large language model. You can use the chat UI or an OpenAI-compatible API.

POKU

Poku is a JavaScript test runner that aims to bring back the simplicity of JavaScript testing. It has high performance, a low memory footprint, and the ability to run tests across different platforms like Node.js, Bun, and Deno.

BRIEFER NOTEBOOKS

Notebooks that live on the cloud. They support SQL and Python. An AI assistant is included.

OPEN SOURCE AI IS THE PATH FORWARD

Mark Zuckerberg believes open source AI is the best way to develop AI technology for several reasons: it allows developers to customize models to their needs, avoids vendor lock-in, protects sensitive data, and is more cost-effective. Zuckerberg also believes that open source AI is safer and more secure because it allows for wider scrutiny and transparency.

FORGET “SHOW, DON'T TELL”. ENGAGE, DON'T SHOW!

Good UIs and knowledge transfer should have a smooth curve of incremental effort leading to incremental value. People learning should understand why the information is useful and apply it quickly in order to truly retain and understand it. Explaining things in context, rather than upfront, is the most effective.

ASK HN: FAST DATA STRUCTURES FOR DISJOINT INTERVALS? (HACKER NEWS THREAD)

This author asks for recommendations on fast data structures for disjoint intervals and a commenter suggests using a custom btree that understands ranges instead of singular keys.

TYPES AS INTERFACES

Types can be used as interfaces in Haskell, but since they're not composable, devs can use typeclasses.

DEMYSTIFYING COOKIES AND TOKENS

Cookies are small text files stored in your browser used for session management, personalization, and tracking, while tokens are self-contained JSON objects used for secure data exchange between applications and services.

SQLITE-JIFF

A date-time SQLite extension based on the jiff library that will support timezones, complex durations, and daylight savings calculations.

HOW CONDITIONAL BREAKPOINTS WORK

Conditional breakpoints are often avoided due to their slow performance, even in modern debuggers like Visual Studio and raddbg, which can take seconds to evaluate simple loops. The primary reason for this slowness is the necessity for the debugger to stop and evaluate the condition each time the breakpoint is hit, causing a lot of overhead, especially in tight loops. Debuggers use methods like JIT compilation and in-process agents to handle the condition evaluation more efficiently, but these approaches still involve notable complexity and performance costs.

DIFFERENCE BETWEEN RUNNING POSTGRES FOR YOURSELF AND FOR OTHERS

Running PostgreSQL for others requires additional steps compared to running it for yourself, such as installing extensions, creating server certificates, configuring settings, and creating DNS records. Faster provisioning happens thanks to optimizations like using a baked OS image, parallelizing steps, and creating a pool of pre-provisioned databases. High Availability involves provisioning primary and standby databases, regular health checks, and ensuring proper fencing of the primary in case of failure.