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.NET Interview Questions: Key Concepts Explained
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DEV Community · Technology

.NET Interview Questions: Key Concepts Explained

What's the difference between IQueryable, IEnumerable and List? IQueryable represents a query that is not executed yet. It allows building the query step by step and is typically executed when iterated. IEnumerable represents a sequence of data that is already in memory (or will be pul...

Caique Santos
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So AI is making me Lazy...
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DEV Community · Technology

So AI is making me Lazy...

The trap nobody talks about Some odd kind of lazy creeps in once AI code assistants enter the scene, worse than just grabbing stuff from Stack Overflow ever was. Pulling lines from an old forum post meant dropping ten at most into five hundred you'd built on your own. The bones were yours...

Xavier Womack
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What It Takes to Build Real-Time Fraud Detection Systems at Scale
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DEV Community · Technology

What It Takes to Build Real-Time Fraud Detection Systems at Scale

When you work on large-scale payment systems, fraud detection isn’t just a feature — it’s a constant balancing act between speed, accuracy, and user experience. Over time, I’ve seen how traditional approaches struggle to keep up, especially as systems scale and fraud patterns evolve. What used to w...

Gopalakrishnan Venkatasubbu
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Your dependencies are 48% unmaintained — and SCA tools can't see it
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DEV Community · Technology

Your dependencies are 48% unmaintained — and SCA tools can't see it

I just presented this at VulnCon 2026 (slides). Here's the tool and the data. The blind spot Your vulnerability scanner is excellent at finding CVEs. Trivy, Snyk, Grype — they do their job well. But there's a category of risk they cannot see: packages that are no longer maintained....

kotakanbe
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ShopKeeper v1.2.0 — Controlling WordPress Through Telegram
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DEV Community · Technology

ShopKeeper v1.2.0 — Controlling WordPress Through Telegram

I built a WordPress operator layer. You run it from Telegram. No admin panel. No clicking through menus. Just messages. What v1.2.0 adds: Comments ├── List (hold / spam / approved) ├── Delete, approve, mark as spam └── Bulk delete all spam — one command Plugins ├── Full visibility: ver...

Stephan Joachim Augustin
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Vite doesn't transform accessor keywords
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DEV Community · Technology

Vite doesn't transform accessor keywords

I've spent quite a while trying to track down how exactly vite compiles code. I haven't seen this level of spaghetti code in like 10 years. There's a CLI that invokes an HTTP server that invokes a plugin system that wraps the plugins' async methods (in these weird callbacks that devtools can't ste...

Joe Eagar
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Watching RubyGems.org in Real Time
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DEV Community · Technology

Watching RubyGems.org in Real Time

RubyGems.org published its first public roadmap this week. That's new, and it's worth noticing. I've written about Ruby Central governance before, and about choosing to contribute anyway. One of the things that frustrated me most wasn't any specific decision, it was that plans were hard to follow u...

christine
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Claude Opus 4.7 Debuts, Qwen 3.6-35B Open-Source, & Claude Code Workflow
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DEV Community · Technology

Claude Opus 4.7 Debuts, Qwen 3.6-35B Open-Source, & Claude Code Workflow

Claude Opus 4.7 Debuts, Qwen 3.6-35B Open-Source, & Claude Code Workflow Today's Highlights This week, Anthropic rolled out Claude Opus 4.7 with enhanced programming and vision, though early user feedback flags concerns about pricing and context performance. Meanwhile, a se...

soy
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Java Without the JVM? A Journey into Spring Boot Native Images
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DEV Community · Technology

Java Without the JVM? A Journey into Spring Boot Native Images

The Cloud Bill That Didn’t Make Sense In the mid-2000s, Java was considered a heavyweight. A ravenous monster devouring all available hardware resources. Between Java 6 and Java 8, several improvements were added to Java, such as improvements to the Garbage Collector, improvements to the...

Felipe Stanzani
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Congrats to the 2026 WeCoded Challenge Winners!
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DEV Community · Technology

Congrats to the 2026 WeCoded Challenge Winners!

The results are in! We are thrilled to announce the winners of the 2026 WeCoded Challenge. Over the past few weeks, the community has been buzzing with your personal stories and frontend interpretations of gender equity in tech. We invited you to celebrate underrepresented voices, and the response...

Jess Lee
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As We May Code: Why Software Is a Human Problem Dressed in Logic
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DEV Community · Technology

As We May Code: Why Software Is a Human Problem Dressed in Logic

On interfaces, accessibility, wicked problems, and the illusion that machines can write code for us. The first time I used NotebookLM, I fed it an essay I'd been meaning to read for months: Vannevar Bush's "As We May Think," published in The Atlantic in 1945. I knew it was the essay that predict...

Cecilia Olivera
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Stop Rewriting the Same LLM Boilerplate: Batch-Process DataFrames in 3 Lines
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DEV Community · Technology

Stop Rewriting the Same LLM Boilerplate: Batch-Process DataFrames in 3 Lines

I processed a 158K-row product catalog through GPT-4 last year. Free-text descriptions in, structured attributes out — brand, category, material, quality score. The script ran over a weekend. Monday morning: $400 gone, crashed at row 91K, no checkpoint. I restarted from zero. That was the fourth t...

ptimizeroracle
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From 34 to 41 AI Providers + Notion-Style Tab Blocks in Flutter Web
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DEV Community · Technology

From 34 to 41 AI Providers + Notion-Style Tab Blocks in Flutter Web

From 34 to 41 AI Providers + Notion-Style Tab Blocks in Flutter Web What We Built Today Two features shipped in one session for 自分株式会社: AI University expanded to 41 providers — added Qwen (Alibaba) and Moonshot AI (Kimi) /tabs command in the note editor — Notion 3.4 t...

kanta13jp1
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Offline Evaluation of RAG-Grounded Answers in LaunchDarkly AI Configs
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DEV Community · Technology

Offline Evaluation of RAG-Grounded Answers in LaunchDarkly AI Configs

Overview This tutorial shows you how to run an offline LLM evaluation on the RAG-grounded support agent you built in the Agent Graphs tutorial, using LaunchDarkly AI Configs, the Datasets feature, and built-in LLM-as-a-judge scoring. You'll build a RAG-grounded test dataset, run it throug...

Scarlett Attensil
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