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تفكيك بنية بث الفيديو في LinkedIn: بناء محرك استخراج عالي الأداء باستخدام HLS و FFmpeg
DEV Community • 2026-04-18 13:24

تفكيك بنية بث الفيديو في LinkedIn: بناء محرك استخراج عالي الأداء باستخدام HLS و FFmpeg

مقدمة كمطورين، غالباً ما ننبهر بكيفية إدارة المنصات الضخمة لتوصيل الوسائط المتعددة على نطاق عالمي. تعد LinkedIn، أكبر شبكة مهنية في العالم، نموذجاً مثالياً للدراسة؛ حيث تطورت طريقة توزيع المحتوى فيها من روابط MP4 ثابتة وبسيطة إلى بنية HLS (HTTP Live Streaming) المعقدة والديناميكية. بالنسبة للعديد من المطورين وصناع المحتوى، يعد أرشفة موارد الفيديو من LinkedIn ضرورة تقنية، لكن الحواجز الت...

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4m read
DEV Community • 2026-04-18 13:21

Crossposting without the copy-paste: a GitHub Action from Hugo to dev.to

My blog runs on Hugo. I also recently discovered I can cross-post to dev.to, because that's where a lot of the conversation actually happens. For a while, my workflow was the obvious one: write the post, publish it here, open dev.to, paste it in, fix the frontmatter, fix the links, hit publish. It worked. I also stopped doing it after the second post. Copy-paste friction is the kind of chore tha...

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5m read
Lobsters • 2026-04-18 13:19

Running a Minecraft Server and more on a 1960s UNIVAC Computer

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1m read
DEV Community • 2026-04-18 13:18

Retrofitting Privacy: Adding Midnight to an Existing dApp Step by Step

Retrofitting Privacy: Adding Midnight to an Existing dApp Step by Step Last year I inherited a voting dApp that had been running in production for eight months. It worked fine — users could submit votes, results were tallied on-chain, everything was auditable. The problem was that everything was auditable. Voter addresses, their choices, the exact timestamp of each vote — all of it sitt...

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15m read
DEV Community • 2026-04-18 13:15

Hack the Learning Curve - Part 1: What Even Is Cybersecurity? (And Why You Should Care)

Author: Trix Cyrus 🔹 Try My Waymap Pentesting Tool 🔹 Follow TrixSec GitHub 🔹 Join TrixSec Telegram So... What Even Is Cybersecurity? Let me guess. You have heard the word "cybersecurity" thrown around a hundred times. Maybe in the news after some company got hacked. Maybe your friend mentioned it while trying to sound smart. Maybe you just think hackers are cool (they are, by the wa...

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9m read
DEV Community • 2026-04-18 13:14

Pinning GitHub Actions to a tag is mass negligence and we all just watched it happen

Many of your CI pipelines can easily be manipulated to execute any code with a single force-push. And you likely unwittingly enabled this yourself. I certainly did. What Actually Happened In March 2026, LiteLLM was breached using a poisoned Trivy GitHub Action. The threat actor didn't publish a new, obviously-malicious action under a typo-squatted name. They force-pushed malicious cod...

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3m read
DEV Community • 2026-04-18 13:10

Automating the Brady Hunt: AI for Exculpatory Evidence Review

The Discovery Overload Problem You’re buried in thousands of pages of discovery. The clock is ticking, and the nagging fear of missing a crucial piece of exculpatory evidence—your client’s Brady material—is real. Manual review is unsustainable, but your ethical duty is non-negotiable. One Key Principle: The Brady Flag Framework The solution isn't asking AI, “What’s important...

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2m read
DEV Community • 2026-04-18 13:00

FHE programs have precision bugs random testing can't find — here's an adversarial search tool that does

FHE has a precision-testing problem, and random testing misses it If you compile an ML model to run under Fully Homomorphic Encryption, the encrypted and plaintext versions should give the same answer on every input. Under CKKS — the scheme most FHE ML deployments use — they usually do. But CKKS is approximate: noise accumulates across multiplications, and on specific inputs it can push...

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3m read
Go Context Timeouts That Save Real Money
DEV Community • 2026-04-18 13:00

Go Context Timeouts That Save Real Money

How a $4.2M production outage taught us that proper context timeout implementation isn’t just good practice — it’s critical financial… Go Context Timeouts That Save Real Money How a $4.2M production outage taught us that proper context timeout implementation isn’t just good practice — it’s critical financial infrastructure Without proper context timeouts, a single slow ...

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11m read
Resurface Claude Code Usage Across Your Team with CloudWatch OTEL (No Lambda)
DEV Community • 2026-04-18 12:59

Resurface Claude Code Usage Across Your Team with CloudWatch OTEL (No Lambda)

I've been building AI tooling infrastructure to empower a team of 50+ software engineers to do vibe coding safely. We went from 3 engineers using AI full-time to 50+ in 6 months — including non-engineers. (I co-presented on this journey at AgentCon Hong Kong 2026.) One thing we learned: you can't improve what you can't measure. Once you give a team AI coding tools, you want visibility into how th...

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12m read
DEV Community • 2026-04-18 12:57

Why I Built an AI Visibility Tool When Semrush Already Had One

Why I Built an AI Visibility Tool When Semrush Already Had One Semrush shipped their GEO tool first. So did Otterly. So did half a dozen enterprise SEO suites. So when people ask why I built SignalixIQ, I get it. The market looks crowded on the surface. Here's the honest answer: the existing tools are built for enterprise SEO agencies, not for individual merchants. I tried to use them ...

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5m read
DEV Community • 2026-04-18 12:53

Hello DEV — I'm Mehtab Riaz, and I'm excited to join this community

I'm a software developer who cares about clear, reliable, and useful products. Day to day, I work across the stack with a strong focus on maintainable code, solid interfaces, and performance—the kind of details that keep software pleasant to ship and to live with after launch. Lately, a lot of my work lives in the JavaScript / TypeScript ecosystem (React, Next.js, modern tooling). I like turning ...

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2m read
Claude Code in Practice (Part 2): Memory, Rules, Permissions & Shortcuts
DEV Community • 2026-04-18 12:50

Claude Code in Practice (Part 2): Memory, Rules, Permissions & Shortcuts

Introduction Part 1 covered CC's launch modes, CLAUDE.md configuration, and multi-task concurrency — all at the "how to use it" level. This part goes one layer deeper: how to make CC fit your working style: Memory: teach CC your preferences so you don't have to repeat yourself Rules: set boundaries for CC so your team's coding standards actually get followed Configuration scope: k...

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8m read
DEV Community • 2026-04-18 12:49

Portable LLM on a USB Stick: I Built Offline AI That Runs Anywhere [2026 Guide]

Last month I was sitting in a client's office — no Wi-Fi, a locked-down corporate laptop, and a deadline to rewrite 40 API endpoint descriptions. Every cloud-based AI tool I normally rely on was completely unreachable. So I pulled a Samsung T7 SSD from my bag, plugged it into the USB-C port, and had a portable LLM on a USB stick generating clean documentation in under two minutes. No internet. No ...

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8m read
DEV Community • 2026-04-18 12:49

Building Cuevora: what a teleprompter taught me about building software people can trust

I did not start out trying to build something impressive. If I am being honest, I just wanted to build something that actually worked… without trying to squeeze money out of people for basic features. I had used a few teleprompter apps before. Some were fine at first. Then slowly, things would disappear behind paywalls. Adjusting speed. Saving scripts. Even simple usability features. It just did...

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3m read
DEV Community • 2026-04-18 12:45

Best Cloud Deployment Platforms 2026: Stormkit vs Zeabur vs Qvery Comparison

This article was originally published on Ciro Cloud. Read the full version here. Deployment failures cost enterprises an average of $300,000 per incident. Most could be prevented with the right platform. Quick Answer Stormkit excels at Node.js and Python serverless deployments with transparent flat-rate pricing. Zeabur offers the most streamlined developer experience for modern framew...

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10m read
DEV Community • 2026-04-18 12:43

One Open Source Project a Day (No.41): Cangjie Skill —— Distilling Books into Executable AI Agent 'Skills'

1. Introduction Cangjie Skill is an innovative open-source project centered on knowledge management and AI prompt engineering. Its core objective is "Turning books into skills." Traditionally, when we read a high-quality book, we might take notes, but that knowledge often remains static and easily forgotten. Cangjie Skill provides a comprehensive methodology and toolchain to transform ...

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3m read
DEV Community • 2026-04-18 12:40

I Built a B2B Lead Generation Tool for Freelancers - Here's What I Learned

The Problem Freelancers and small agencies spend an exhausting amount of time on client acquisition - finding leads, writing cold emails, tracking responses, and creating proposals. Most tools out there are built for enterprise sales teams, not solo operators. I decided to build something different: a B2B lead generation tool specifically designed for freelancers and small agencies. ...

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2m read
DEV Community • 2026-04-18 12:40

A Physics-Guided Neural Network Framework for Elastic Plates: Comparison ofGoverning Equations-Based and Energy-Based Approaches

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1m read
DEV Community • 2026-04-18 12:37

Unhandled CSS Ruining Life

There is a moment in the life of almost every mature frontend when CSS stops feeling like a tool and starts feeling like archaeology. You open one screen and the primary button has one height. On another screen, it is almost the same height, but not quite. Inputs look consistent until you open a modal. Selects behave until a page level override wins. Somewhere in the codebase there is a global sty...

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10m read
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