tl;dr in tech - Issue #97
You Don't Always Need Indexes
By: Jeff Kaufman
tl;dr: In a world where data is more abundant than air, you might think you need indexes to breathe easier. But Jeff Kaufman says, "Hold on! Not so fast!". Jeff talks about the threshold for indexing and instances where a full database scan might just be your knight in shining armor, rather than a costly indexing quest. Database engineers, you might wanna bookmark this one.
Should You Optimize For All-Cash Compensation, If Possible?
By: Gergely Orosz
tl;dr: Money, money, money, it's always sunny, but should it all be cash, honey? Gergely discusses companies like Netflix and Shopify that let employees choose their compensation structure. To stock or not to stock, that is the question!
Email Addresses Are Not Primary User Identities
tl;dr: An email address may seem like a solid rock in the ever-changing world of user identities, but surprise, surprise, it's more like shifting sand! This post tells you why, and offers better ways to handle user identities in your code.
To Build A Top Performing Team, Ask For 85% Effort
By: Greg McKeown
tl;dr: Want a top-performing team? Don't ask for a 110% effort, Greg McKeown suggests. Instead, aim for an 85% effort to avoid burnout and maximize results. This one's a golden nugget for managers and team leads out there. And hey, if you're coding at 100%, maybe it's time to chill a little? 😎
What Is A Vector Database?
By: Roie Schwaber-Cohen
tl;dr: This post reviews key aspects of a vector database — how it works, algorithms it uses, and the additional features that make it operationally ready for production scenarios. Remember: knowing your data structures and algorithms isn't just for acing technical interviews, it's for acing your actual job too! 😅
Live Comment System Design
tl;dr: Ah, the live comment feature, a crowd favorite in system design interviews. This post discusses how to build a real-time platform for publishing live comments, and also to display Facebook reactions, likes, viewer counts, user presence status, online polls, or seen receipts. If you have a system design interview coming up, you don't want to miss this one.
Be Plainspoken
By: Andrew Bosworth
tl;dr: What's more powerful than a superhero? A plainspoken software engineer, Andrew Bosworth says! Your desire to impress, maintain harmony, or influence can make you use more language than necessary. Simplify, be straightforward, a risend watch your communication become a superpower.