DEV Community • 2026-04-20 15:02

The Persistent Risk of Static Token Validation in Identity Systems

Azure's access control model validates identity at the token boundary, not at the execution boundary. When Microsoft Entra ID issues a JWT, it encodes role membership, resource permissions, and the conditions of the authentication event into a signed, time-bounded assertion. Every downstream Azure service - Blob Storage, Key Vault, Azure Resource Manager, Azure SQL - accepts that assertion as auth...

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4m read
DEV Community • 2026-04-20 15:02

How Identity Systems Fail When Trust Is Assumed, Not Verified

Azure Active Directory issues bearer tokens with embedded claims: group membership, role assignments, conditional access evaluation state. At each service boundary, the receiving component validates the cryptographic signature and checks the expiration timestamp. It does not re-query group membership against the directory. It does not re-evaluate conditional access policy against current device or...

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3m read
DEV Community • 2026-04-20 15:01

Redis Caching Strategies: What Actually Works in Production

Using Redis as a cache looks simple at first—store data, read it faster. In practice, caching introduces its own set of consistency, invalidation, and scaling problems. A good caching strategy is not about adding Redis everywhere. It is about deciding what to cache, when to update it, and how to keep it correct under change. This article focuses on the caching patterns that hold up in real syste...

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3m read
Next.js 15 vs. Next.js 16: What's the Difference?
DEV Community • 2026-04-20 15:00

Next.js 15 vs. Next.js 16: What's the Difference?

This blog was originally published on Descope. Next.js 16 marks a significant shift for the framework. What started as a simple SSR helper is now a comprehensive full-stack React engine. This release brings major changes: Turbopack replaces Webpack as the default bundler, Cache Components introduces Partial Pre-Rendering (PPR), and middleware.ts becomes proxy.ts. The performance improvements are...

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24m read
DEV Community • 2026-04-20 14:58

Stop Using crontab -l to Debug Cron Jobs (Here's What to Do Instead)

Cron jobs are the duct tape of infrastructure. They hold everything together until they silently fail at 3am and nobody notices until Monday. I've been building CronPing — a cron job monitoring API — and I've seen every way cron can go wrong. Here are the patterns that actually work. The Problem with crontab -l When a cron job fails, most developers run crontab -l to verify the schedu...

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4m read
Newest questions tagged javascript - Stack Overflow • 2026-04-20 14:56

How Can I Reuse a Function That Grabs Blog Titles Via JSON but Requires a Different Starting Index?

I have a Archive page for my blog that initially loads titles for posts 1-25, but the user can change the displayed post titles by clicking links. I'd like to shorten the code and use the same function to initial load of titles as well as for each clicked link by using a variable. The initial loading of titles would call the function and pas on the starting index value of "1", while the ...

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1m read
DEV Community • 2026-04-20 14:55

How to Govern Claude Code Usage Across Engineering Teams

Claude Code is powerful; maybe too powerful to run without guardrails. I came across a case where a mid-sized startup had three engineering teams adopt it independently. Within two weeks, their bill hit $4,200. No breakdown of who spent what, no audit trail, no rate limits—just usage piling up and a growing invoice. If your org is adopting Claude Code, you need centralized governance. I tested B...

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6m read
DEV Community • 2026-04-20 14:55

Kafka Consumer Patterns: What You Actually Need in Production

Working with Apache Kafka often gives a false sense of simplicity. Producing events is easy. Consuming them correctly-under failure, scale, and real-world constraints is where most systems break down. Kafka does not guarantee correctness by itself. It gives you primitives like offsets, partitions, and consumer groups. The guarantees you get depend entirely on how you design your consumer. This a...

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3m read
Agents Write Code. They Don't Do Software Engineering.
DEV Community • 2026-04-20 14:47

Agents Write Code. They Don't Do Software Engineering.

Read this article on Signadot. Long-running and background coding agents have hit a new threshold. When an agent runs for hours, manages its own iteration loop, and submits a pull request without hand-holding, it stops being a tool you invoke and starts being more like a worker you assign tasks to. Like any worker, the question isn’t how closely you supervise them. It’s what work you assign them ...

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7m read
WeightRoom — an LLM resource calculator
DEV Community • 2026-04-20 14:47

WeightRoom — an LLM resource calculator

Hey LLM folks 👋 Whether you're shipping with Ollama on a Mac, vllm on 8× H100, or anything in between — model planning shouldn't be napkin math. I built a free calculator: WeightRoom. → https://smelukov.github.io/WeightRoom/ No backend, no signup, no telemetry. Pick a model, pick a quant, pick a context window — get RAM, disk and TPS estimates in real time. State serializes to URL, so configs ...

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3m read
DEV Community • 2026-04-20 14:46

What are your goals for the week? #175

What are your goals for the week? What are you building this week? What do you want to learn? What events are you attending this week? This Week's Goals. Job Search. Network Apply Project work. Content for side project. Work on my own project. Send email requesting content client wants updated. Can't be current if they don't provide the info. Content & ...

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1m read
DEV Community • 2026-04-20 14:45

SRE vs DevOps: the sequencing mistake that burns most startups.

Most startups approach the SRE vs DevOps question wrong. They ask "which is better?" when the real question is "which do I need right now and in what order?" After seeing this play out across a lot of engineering teams, the mistake is almost always the same: hiring the wrong role at the wrong stage. Here's what actually matters. The one sentence that cuts through the noise. A DevOps e...

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4m read
Bucket Sort Algorithm In Java: Learn with Practical Examples
Level Up Coding - Medium • 2026-04-20 14:43

Bucket Sort Algorithm In Java: Learn with Practical Examples

Bucket Sort is a sorting algorithm that is especially useful when the data is uniformly distributed across a known range. Instead of comparing elements repeatedly, it assigns values to “buckets” based on their range and sorts within those smaller groups.While comparisons are still used inside each bucket, the algorithm reduces overall work by limiting sorting to localized subsets of the data. For ...

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10m read
Heap Sort Algorithm in Java: Learn with Practical Examples
Level Up Coding - Medium • 2026-04-20 14:43

Heap Sort Algorithm in Java: Learn with Practical Examples

Heap Sort is known for its efficiency, predictable performance, and in-place sorting behavior, making it a strong choice when memory usage must be kept minimal without sacrificing time complexity.The algorithm is based on the binary heap data structure, which was formalized in the 1960s as part of research into efficient priority queues, most notably by J. W. J. Williams, who introduced Heap Sort ...

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12m read
Level Up Coding - Medium • 2026-04-20 14:42

Kimi K2.6 Just Dropped — The Open-Source Coding Agent That Already Beats Claude Opus 4.5

Three days ago, on April 13, Moonshot AI quietly rolled out Kimi K2.6 Code Preview to all subscribers. No press release. No launch event…Continue reading on Level Up Coding »

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1m read
Beyond Depth-First: Cardinal — Shopify’s Breadth-First GraphQL Execution Engine
Level Up Coding - Medium • 2026-04-20 14:42

Beyond Depth-First: Cardinal — Shopify’s Breadth-First GraphQL Execution Engine

Beyond Depth-First: Cardinal — Shopify’s Breadth-First GraphQL Execution EngineMost GraphQL optimization work focuses on the same problems: reducing N+1 queries, tuning dataloader batching, caching expensive fields. When Shopify dug into traces for their largest queries, they found the bottleneck wasn’t any of those things. It was the execution engine itself. Specifically, the CPU-bound overhead o...

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12m read
CSS Games: 4Connect
Level Up Coding - Medium • 2026-04-20 14:42

CSS Games: 4Connect

If you enjoy web development, puzzles, crosswords, and games like NYT’s Connections, this one’s for you.Continue reading on Level Up Coding »

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1m read
DEV Community • 2026-04-20 14:42

5 Open Source Tools That Save Me 10 Hours Every Week

5 Open Source Tools That Save Me 10 Hours Every Week As a solo developer trying to build multiple income streams, efficiency is everything. Here are the 5 tools I use every single day. 1. OpenClaw — AI Agent Framework OpenClaw lets me run multiple AI agents that work in parallel. I have agents for: Content research Code generation Data analysis Time saved: 3 hours/day ...

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1m read
Meet Angular’s Debounce & Debounced APIs in Action ⚡️
Level Up Coding - Medium • 2026-04-20 14:42

Meet Angular’s Debounce & Debounced APIs in Action ⚡️

Practical Real-World Use CasesHi there 👋This article is part 2 of my deep dive into Angular’s upcoming v22 signal debounced API and debounce API (already available in v21). If you want to understand how debounced() and debounce() work under the hood, start with part #1:Angular 22 - The Power Of Debounce and Debounced APIsOtherwise, let’s jump straight into four real-world scenarios where debouncin...

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5m read
10 Claude Code commands that actually changed how I ship
Level Up Coding - Medium • 2026-04-20 14:41

10 Claude Code commands that actually changed how I ship

I was re-typing the same prompts from memory every day. Then I found out Claude Code had a whole command system I’d been ignoring for…Continue reading on Level Up Coding »

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1m read
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