The Daily Index — Wednesday, June 26, 2024 · TLDR Index

ARTICLES & TUTORIALS

TLDR Web Dev

TLDR Web Dev

ENHANCING NETFLIX RELIABILITY WITH SERVICE-LEVEL PRIORITIZED LOAD SHEDDING

Netflix initially implemented prioritized load shedding at the API gateway level, then extended it to individual service level for finer-grained control and better cloud capacity utilization. One example is its PlayAPI, which prioritized user-initiated requests over pre-fetch requests during an infrastructure outage, maintaining high availability for critical requests. Netflix also created an internal library for prioritized load shedding and experimented with CPU-based and IO-based load shedding.

netflixtechblog.com · 12 min

TLDR Web Dev

UB OR NOT UB: HOW GCC AND CLANG HANDLE STATICALLY KNOWN UNDEFINED BEHAVIOR

Undefined behavior (UB) in C code allows compilers to optimize code based on the assumption that no UB exists, potentially removing conditions or altering program flow. However, the handling differs between compilers if the compiler statically detects UB, like division by zero: GCC tends to crash the program, while Clang may ignore the undefined code or continue compiling, potentially leading to unexpected results later. This differing behavior is due to different philosophies - LLVM aims for more lenient handling to match developer expectations, while GCC takes a more conservative approach.

diekmann.uk · 9 min

TLDR Web Dev

WHAT ARE SOME CUSTOM TOOLS YOU'VE BUILT/SEEN INTERNALLY THAT HAS HELPED YOUR TEAM SUCCEED IN AUTOMATION?

This page looks at several custom tools that were developed by engineers to improve automation efficiency in their teams, including a Slack notification system for failing tests, a visual regression testing tool using Selenium and JIMP, a Windows application to automate terminal emulators, and a script to automatically generate API tests from a Swagger file.

softwareautomation.notion.site · 6 min

TLDR Web Dev

WHAT AI ENGINEERS SHOULD KNOW ABOUT SEARCH

This article goes over the basics of search for engineers. Search involves various aspects like judging relevance, dealing with different information needs, and optimizing metrics like precision and recall. Click models can help understand user behavior, while BM25 is a popular lexical similarity score used in search.

softwaredoug.com · 10 min

TLDR Web Dev

1-CLICK EXPLOIT IN SOUTH KOREA'S BIGGEST MOBILE CHAT APP

The KakaoTalk Android app had a vulnerability that allowed attackers to execute arbitrary JavaScript in its WebView. The vulnerability leaked an access token that could be used to take over the user's account. Attackers could use the token to register their device on the victim's account and read their chat messages.

stulle123.github.io · 12 min

TLDR Web Dev

GENERAL MANAGEMENT, FUNCTIONAL, AND HYBRID MODELS: WHICH ORG DESIGN WORKS BEST FOR TOP COMPANIES?

Companies typically move to a General Management (GM) model post-scaling when they have multiple proven product lines and need focused leadership for agility and accountability. This model is beneficial when product metrics are closely tied to revenue and requires autonomous business units for rapid decision-making.

open.substack.com · 8 min

TLDR Web Dev

POLYFILL SUPPLY CHAIN ATTACK HITS 100K+ SITES

The popular Polyfill.js library, which has been acquired by a Chinese company, has been injecting malware into websites that use it, redirecting mobile users to malicious sites during specific hours and avoiding detection by delaying execution when web analytics services are present.

sansec.io · 1 min

TLDR Web Dev

GOOGLE NO LONGER DEVELOPING MATERIAL WEB COMPONENTS

Google has stopped active development of Material Web Components, shifting focus to its internal Wiz framework.

9to5google.com · 1 min

TLDR Web Dev

HOW I WRITE 1000S TESTS WITH LITTLE EFFORT

Property-based testing helps find bugs in corner cases by automatically generating random test cases to check if certain properties hold true for a wide range of inputs.

open.substack.com · 4 min