CACiphemic academiainciphemicacademia.hashnode.dev·1h ago · 14 min readJSON vs. Protocol Buffers vs. Avro: 60% Less Latency, 80% Smaller Payloads, One Serialization Decision JSON vs. Protocol Buffers vs. Avro: 60% Less Latency, 80% Smaller Payloads, One Serialization Decision LinkedIn's engineering team moved their internal microservice traffic off JSON and onto Protocol 00
GGame2overingame2over.hashnode.dev·19h ago · 3 min readHow Earning Platforms Know You Finished a Survey: Postbacks, ExplainedIf you've ever tried to get paid to take surveys or complete offers online, you've probably hit the moment where you finished and nothing happened. As the developer of an online earning platform, here00
ABAuth By Exampleinauthbyexample.hashnode.dev·22h ago · 2 min readA pagination cursor is not a forever passList endpoints often authorize once on page one, then trust the cursor for every next page. That is how a revoked membership keeps paging through results you meant to cut off. The bug pattern A common00
SSShivam shahiinshivamshahi.hashnode.dev·1d ago · 16 min readHow YouTube Processes a Video After You Upload ItYou open YouTube Studio, pick a 2 GB file, and click Upload. The bar fills. A few minutes later the video plays in more than one quality, on a phone, a laptop, and a television. That looks like one op00
CACiphemic academiainciphemicacademia.hashnode.dev·1d ago · 10 min readJWT vs. Sessions: Which Authentication Should You Use?JWT vs. Sessions: Which Authentication Should You Use? Every backend project eventually needs to answer: how do we know this request is really from a logged-in user? Two answers dominate real-world sy00
CACiphemic academiainciphemicacademia.hashnode.dev·1d ago · 10 min readTCP vs. UDP: Why Protocol Choice Actually MattersTCP vs. UDP: Why Protocol Choice Actually Matters Almost everything you build sits on top of one of two transport protocols, TCP or UDP, and most tutorials never explain why one was chosen over the ot00
YYass1ninbrojs.hashnode.dev·1d ago · 2 min readBro.JS v3.1.0 - Security Hardening and Runtime StabilizationWhy this release matters Bro.JS has been adopted for both hobby projects and production services. Over the past weeks I paused feature work to perform a thorough security and stability audit. The outc00
SSSarmeet Singhinblueprintsofscale.hashnode.dev·2d ago · 58 min readAssume They're Already Knocking: Security and Abuse at Scale, Explained Like You're NewIn the URL shortener post, the interviewer asked the meanest question near the end. The design was done, sharded and cached and replicated across regions, and then: "Your Base62 keys are sequential. I00
VPvarun pullurinvarunpullur.hashnode.dev·2d ago · 9 min readGo for a Swift/iOS Engineer: What Felt Familiar and What Didn'tI'm an iOS engineer. Most of my career has been Swift, UIKit/SwiftUI, and MVVM with coordinators. I'm now deliberately moving toward software architecture, and I can't design systems well if I only un00
ABAuth By Exampleinauthbyexample.hashnode.dev·1d ago · 1 min readA websocket push is still an authorization decisionSubscribing a client to a channel after login is not the same as authorizing every event you later push on that socket. The bug pattern User connects with a valid session. Server joins them to tenant00
