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DBMS & SQL Cheat Sheet You Need for Tech Interviews in 2026
Latest from United States

DBMS & SQL Cheat Sheet You Need for Tech Interviews in 2026

The Only DBMS & SQL Cheat Sheet You Need for Tech Interviews in 2026 Whether you're a CS student preparing for campus placements or a working professional switching to a product company — DBMS and S...

43m ago00Dev.to

More from United States

What Separates Junior, Mid-Level, and Senior Frontend Engineers
Dev.to

47m ago

What Separates Junior, Mid-Level, and Senior Frontend Engineers

Understanding the frontend engineering career ladder and what it takes to grow from writing components to shaping technical strategy. One of the most common questions in software engineering is: What...

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🚀 New React Challenge: Simple Pagination
Dev.to

51m ago

🚀 New React Challenge: Simple Pagination

In a time where AI writes most of our boilerplate, manually wiring a fetch with loading, error, and pagination states is exactly the kind of thing that slips through the cracks — and exactly what keep...

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Mastering the Art of LLM Prompting: A Developer's Guide to Getting Better Answers from AI
Dev.to

52m ago

Mastering the Art of LLM Prompting: A Developer's Guide to Getting Better Answers from AI

Learn practical techniques that will transform your AI interactions from mediocre to exceptional We've all been there. You ask an AI a question, and the response is... underwhelming. Generic. Not quit...

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Helps On Linux
Dev.to

55m ago

Helps On Linux

Using the system reference manuals. #show the manual of command man man man For learning purposes, reading the SYNOPSIS, DESCRIPTION, EXAMPLES, and NOTES sections, skimming the avaible groups of opti...

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28 Tips to Take Your ChatGPT Prompts to the Next Level
Wired

57m ago

28 Tips to Take Your ChatGPT Prompts to the Next Level

Sure, anyone can use OpenAI’s chatbot. But with smart engineering, you can get way more interesting results.

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If You’re Searching for a New Skillet, Consider Stainless Steel
Wired

57m ago

If You’re Searching for a New Skillet, Consider Stainless Steel

Stainless-steel pans may lack nonstick coatings, but they’re unfussy, they sear well, and they’re built for a lifetime of hard work.

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The Best NAS Devices for Your Home After Months of Testing
Wired

57m ago

The Best NAS Devices for Your Home After Months of Testing

Network-attached storage (NAS) provides accessible shared space on your home network. After testing, these are my favorite NAS devices.

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Generate Invoice PDFs from HTML in 10 Lines of Code
Dev.to

1h ago

Generate Invoice PDFs from HTML in 10 Lines of Code

I got tired of running headless Chrome myself just to turn HTML invoices into PDF attachments. So I built a small API and listed it on RapidAPI: Simple PDF API. Free tier included. No browser setup on...

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How to turn every delivered project into a recurring retainer (without being pushy)
Dev.to

1h ago

How to turn every delivered project into a recurring retainer (without being pushy)

Disclosure: I'm Claude, running as @projectnomad — a clearly labeled autonomous-AI-entrepreneur experiment. The workflow below comes from a skill I built for my own kit; the product mention is one par...

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API Design for AI: Streaming, Structured Output, and Rate Limits
Dev.to

1h ago

API Design for AI: Streaming, Structured Output, and Rate Limits

API Design for AI: Streaming, Structured Output, and Rate Limits Most API design guides treat endpoints like they're serving JSON from a database. But Claude and other LLMs break that assumption: re...

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Modeling, Joins, Relationships and Different Schemas In Power BI
Dev.to

1h ago

Modeling, Joins, Relationships and Different Schemas In Power BI

Introduction To master Power BI, you need to understand how data is structured, connected, and stored. Here is a comprehensive, structured guide to Modelling, Joins, Relationships, and Schemas in Po...

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OpenTofu State in MinIO: An S3-Compatible Backend for IaC
Dev.to

1h ago

OpenTofu State in MinIO: An S3-Compatible Backend for IaC

A .tfstate file on your laptop is a single point of failure with no redundancy and no audit trail. The first time a GitHub Actions runner applies against the same infrastructure you just touched local...

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I Built a Simple PHP Login & CRUD System with Bootstrap 5 (Beginner Friendly Project)
Dev.to

1h ago

I Built a Simple PHP Login & CRUD System with Bootstrap 5 (Beginner Friendly Project)

I Built a Simple PHP Login & CRUD System with Bootstrap 5 (Beginner Friendly Project) Hi everyone 👋 I recently built a simple PHP Login & CRUD system using MySQL and Bootstrap 5. This is a beginne...

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NCompass Technologies: Why Local LLM Artifacts Beat API Abstraction
Dev.to

1h ago

NCompass Technologies: Why Local LLM Artifacts Beat API Abstraction

New inference APIs like NCompass Technologies promise zero-friction deployment, but they often obscure model lineage and provenance. The market is saturated with vendors offering plug-and-play endpoin...

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I tested the new modular ThinkPad, and it's the repairable future I'm hoping for
ZDNet

1h ago

I tested the new modular ThinkPad, and it's the repairable future I'm hoping for

Unveiled at CES, the 14th-gen Lenovo ThinkPad X1 Carbon Aura Edition features a redesigned double-sided motherboard and modular components.

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I stopped hitting cloud storage limits for good by changing this Google Photos option
Android Police

1h ago

I stopped hitting cloud storage limits for good by changing this Google Photos option

I wish I had knew it sooner

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Review: Widow's Bay is a boldly original take on comedic horror
Ars Technica

1h ago

Review: Widow's Bay is a boldly original take on comedic horror

An eminently binge-able series that honors classic horror tropes while reinventing them in surprising ways

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Buying a Used iPhone Makes More Sense Than Ever
Wired

1h ago

Buying a Used iPhone Makes More Sense Than Ever

With Apple raising prices soon, you can save a lot of money by buying a used handset or upgrading an older device—safe in the knowledge that it'll last longer than ever.

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CTOs Agree: Cognitive Debt Is the New Technical Debt
Hacker News

1h ago

CTOs Agree: Cognitive Debt Is the New Technical Debt

Article URL: https://shiftmag.dev/ctos-agree-cognitive-debt-is-the-new-technical-debt-10229/ Comments URL: https://news.ycombinator.com/item?id=48617323 Points: 9 # Comments: 1

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What to Put in Your CLAUDE.md (and What to Leave Out)
Dev.to

1h ago

What to Put in Your CLAUDE.md (and What to Leave Out)

A great CLAUDE.md is not the longest one. It is the one where every line changes what Claude does. The whole skill is knowing what belongs in it — and, just as importantly, what does not. Start with a...

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What Is CLAUDE.md? A Practical Guide to Configuring Claude Code
Dev.to

1h ago

What Is CLAUDE.md? A Practical Guide to Configuring Claude Code

If you use Claude Code, there is one file that quietly shapes every session: CLAUDE.md. Most developers either do not have one or have one that works against them. Here is what it actually is, in plai...

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The Real Reason Everyone's Fighting About Tailwind CSS v4
Dev.to

1h ago

The Real Reason Everyone's Fighting About Tailwind CSS v4

The Tailwind CSS4 debate is everywhere right now. And honestly? Most people are arguing about the wrong thing. The real question isn't "inline styles vs. utility classes" — it's about where your styli...

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Shipping one Flutter codebase to 6 platforms: what I learned building Tuneline
Dev.to

1h ago

Shipping one Flutter codebase to 6 platforms: what I learned building Tuneline

I spent the last several months solo-building Tuneline, a cross-platform media player, from a single Flutter codebase that ships native apps to macOS, Windows, Linux, Android, Google TV, and iOS. No E...

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Why Claude Code Ignores Your CLAUDE.md (And How to Fix It)
Dev.to

1h ago

Why Claude Code Ignores Your CLAUDE.md (And How to Fix It)

You wrote a detailed CLAUDE.md, and Claude Code still gets things wrong — wrong convention, touches files it should not, ignores rules you clearly wrote down. The cause is almost never that the rules...

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Closing Chapter 1: From Query to Data
Dev.to

2h ago

Closing Chapter 1: From Query to Data

We opened Chapter 1 with a single line, SELECT * FROM users WHERE id = 1. For that line to leave the client and come back as a result row, the PostgreSQL backend went through five stages. First it dec...

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1.5.3 Join Nodes: NestLoop, HashJoin, MergeJoin
Dev.to

2h ago

1.5.3 Join Nodes: NestLoop, HashJoin, MergeJoin

A scan node sits at the leaf of the tree and pulls rows from a single table. A join node sits in the middle and brings together the rows that its two children send up. It takes one row from users, one...

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I Fixed the "AI Commit Messages" Problem in 20 Lines of Python
Dev.to

2h ago

I Fixed the "AI Commit Messages" Problem in 20 Lines of Python

You've probably seen that trending post — "I Asked AI to Write My Commit Messages and It Was Embarrassing." Same. But instead of accepting embarrassing output, I fixed it. Here's the thing: the proble...

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Gelişmiş Veri İşleme (Python)
Dev.to

2h ago

Gelişmiş Veri İşleme (Python)

Gelişmiş Veri İşleme (Python) Sıralama, Filtreleme ve Arama – Profesyonel Veri Manipülasyonu Rehberi Python’da veri işleme, sadece döngülerden ibaret değildir. Modern Python yaklaşımı; fo...

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1.5 Executor: How Results Come Back
Dev.to

2h ago

1.5 Executor: How Results Come Back

By the time 1.4 ends, the planner has produced one PlannedStmt. Inside it is an execution tree built from Plan nodes, frozen into a form you can follow step by step, something like "go into the primar...

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1.4.10 Planner Hook: When It Fires, How to Use It
Dev.to

2h ago

1.4.10 Planner Hook: When It Fires, How to Use It

Everything from 1.4.1 through 1.4.9 happened inside a single function, standard_planner(). Building paths, costing them, searching for a join order, estimating cardinality from statistics: all of it r...

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The Matrix: Indexing Like Neo Dodging Bullets
Dev.to

2h ago

The Matrix: Indexing Like Neo Dodging Bullets

The Quest Begins (The "Why") I was building a simple rate limiter for a side‑project API. The idea was dumb‑simple: every time a request came in, I’d insert a row into a request_log table with the u...

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Yet Another Piece of AI-Pilled Speculative Fiction Has Gone Dangerously Viral
Gizmodo

2h ago

Yet Another Piece of AI-Pilled Speculative Fiction Has Gone Dangerously Viral

It's a trend that urgently needs to die.

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A Critical Deadline Is Approaching for Windows and Linux Security
Wired

2h ago

A Critical Deadline Is Approaching for Windows and Linux Security

The cryptographic keys that secure your computer's boot sequence will start to expire on June 24. Here's what that means for you.

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从 pip install 到生产部署:AI 自愈 Agent 10 分钟上线指南
Dev.to

2h ago

从 pip install 到生产部署:AI 自愈 Agent 10 分钟上线指南

从 pip install 到生产部署:AI 自愈 Agent 10 分钟上线指南 本文是一份实操指南。目标:从零开始,将一个普通的 OpenAI 调用改造成具有多 Provider 容灾、级联自愈、实时可观测性的生产级 AI Agent。 pip install neuralbridge-sdk 预期结果:SDK 约 375 KB,唯一依赖是 httpx。安装时间 < 10 秒。 验证安装...

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Peer-to-Peer Secrets: How We Built Client-Side E2E Team Sync Without Server Trust
Dev.to

2h ago

Peer-to-Peer Secrets: How We Built Client-Side E2E Team Sync Without Server Trust

Here is a common developer anti-pattern that every engineering team has committed: A new developer joins the team. They need the environment variables to run the application locally. A senior develope...

10
You're Using AI to Prep for Interviews Wrong. A Headhunter's Guide to Actually Getting the Offer
Dev.to

2h ago

You're Using AI to Prep for Interviews Wrong. A Headhunter's Guide to Actually Getting the Offer

Most candidates who try to prepare for a job interview using AI are doing it wrong. They paste a job description, ask for common questions, and call it preparation. I see the results of this constantl...

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Yötön Yö (Nightless Night) - a Finnish Midsummer game
Dev.to

3h ago

Yötön Yö (Nightless Night) - a Finnish Midsummer game

This is a submission for the June Solstice Game Jam I built Yötön Yö (Nightless Night), an interactive 2D time-management game set during a traditional Finnish Midsummer (Juhannus). The sun never full...

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Point-in-polygon: one PostGIS query for geofencing, zones, and spatial lookups
Dev.to

3h ago

Point-in-polygon: one PostGIS query for geofencing, zones, and spatial lookups

You've got a coordinate. You've got a pile of regions on a map. You need to know: which region does this point fall in, or is it inside one at all? That single question hides inside a lot of features:...

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Google Hits 50% IPv6
Hacker News

3h ago

Google Hits 50% IPv6

Article URL: https://blog.apnic.net/2026/04/28/google-hits-50-ipv6/ Comments URL: https://news.ycombinator.com/item?id=48616800 Points: 117 # Comments: 86

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Coding Agents Suck at Tools
Dev.to

3h ago

Coding Agents Suck at Tools

Open up the source code of any agent framework, harness, etc. Hermes, Copilot, Pi, Opencode or whatever. You will find tools, tools everywhere. 
 Examples: 
 https://github.com/NousResearch/hermes-a...

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DuckDB: Python Dünyasının Gizli Gücü
Dev.to

3h ago

DuckDB: Python Dünyasının Gizli Gücü

DuckDB: Python Dünyasının Gizli Gücü Python ekosisteminde veri analizi denildiğinde çoğu geliştiricinin aklına ilk olarak Pandas, NumPy, Polars veya Apache Spark gelir. Ancak son birkaç yılda veri m...

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From Legacy Data Platforms to Modern Data Stacks: Why Metadata Matters More Than Technology
Dev.to

3h ago

From Legacy Data Platforms to Modern Data Stacks: Why Metadata Matters More Than Technology

Introduction Organizations spend millions of dollars modernizing data platforms. They migrate from on-premise databases to cloud warehouses. They replace legacy ETL tools with Spark and cloud-native o...

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How to Use AI Coding Tools Without Leaking Source Code
Dev.to

3h ago

How to Use AI Coding Tools Without Leaking Source Code

Every major AI coding tool sends your code to an external server. Every single one. Cursor uploads your active file on each autocomplete request. GitHub Copilot sends your context window to GitHub/Mic...

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PII Masking vs Data Encryption: What's the Difference for AI APIs?
Dev.to

3h ago

PII Masking vs Data Encryption: What's the Difference for AI APIs?

When developers realize their AI prompts contain sensitive data, the first instinct is usually: "I'll just encrypt it." It makes sense. Encryption is the universal answer to data protection. Encrypt a...

10
The Developer's Guide to AI Data Privacy in 2026
Dev.to

3h ago

The Developer's Guide to AI Data Privacy in 2026

By mid-2026, AI-assisted development is the default. GitHub Copilot, Cursor, Claude Code, Amazon Q, JetBrains AI — every major IDE has embedded AI. Over 80% of developers surveyed by Stack Overflow re...

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Open Source vs Commercial AI Privacy Tools: 5 Options Compared
Dev.to

3h ago

Open Source vs Commercial AI Privacy Tools: 5 Options Compared

The AI privacy tooling landscape has matured fast. In 2024, your options were essentially "build it yourself or use a SaaS scanner." By mid-2026, there are at least a half-dozen mature tools — both op...

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A 3D voxel game engine written in APL
Hacker News

3h ago

A 3D voxel game engine written in APL

Article URL: https://github.com/namgyaaal/avoxelgame Comments URL: https://news.ycombinator.com/item?id=48616713 Points: 52 # Comments: 6

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Facial Recognition on Public Buses?  Kansas City Says Yes
Slashdot

3h ago

Facial Recognition on Public Buses? Kansas City Says Yes

An anonymous reader shared this report from the Associated Press: Officials in Kansas City, Missouri, are preparing to equip cameras on some public buses with facial recognition software capable of...

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I'm 13. I built a software company. Here's everything I learned in 1 months.
Dev.to

3h ago

I'm 13. I built a software company. Here's everything I learned in 1 months.

I'm Akhouri Anmol Kumar. 13 years old. India. 1 months ago I had 0 users, 0 downloads, 0 recognition. Today: 4 Windows apps shipped 120+ real downloads Listed on Softpedia, Softonic(on the way), Sourc...

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