Why Developers Should Write About Their Work Instead of Just Listing It on a CV

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A piece from DEV Community argues that developers benefit more from writing publicly about their work than simply listing accomplishments on a résumé. The advice encourages coders to document everyday experiences such as code review patterns, problem-solving challenges, and project lessons. Posts dubbed 'Today I Learned' are suggested for anything that takes more than 20 minutes to figure out. Writers can avoid confidentiality concerns by using isolated code snippets and swapping in different business domains as examples. The guidance is drawn from 'Street-Smart Coding', a resource offering 30 lessons aimed at helping developers improve their skills.

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Solo developer builds open-source sports analytics SaaS to replace coaches' clipboards

Jonas, a developer with a CS and Entrepreneurship background, is publicly documenting the solo development of SportsFlow, a sports analytics platform aimed at amateur coaches. The app allows coaches to live-track shots, assists, and saves during handball games on a phone or tablet, generating season-level analytics such as heatmaps and shooting percentages. Jonas identified the problem firsthand from his time on the bench, noting that in-game data is routinely lost once the final whistle blows. The platform is being built offline-first to handle poor connectivity in sports halls, with plans to expand beyond handball to volleyball, basketball, and ice hockey. Jonas intends to publish biweekly build-in-public updates covering both technical decisions and honest business trade-offs.

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ProgrammingDEV Community ·

NPM Safety Guard offers 23-layer supply chain protection for JS developers

NPM Safety Guard is a free, open-source developer tool built by SendWaveHub that provides 23 layers of security scanning for npm projects. It detects threats that standard npm audit misses, including known malicious packages, typosquatting, dependency confusion, exposed secrets, and AI credential theft hidden in node_modules. The tool integrates with both VS Code and JetBrains IDEs and is available on their respective marketplaces. It leverages multiple intelligence sources such as OSSF Scorecard, Socket.dev, and ReversingLabs to assess supply chain risk in real time. Released under the MIT license, the project is also hosted on GitHub where developers can review its source code and contribute.

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ProgrammingDEV Community ·

AI Security Gate: A Proposed Architecture to Safeguard AI-Generated Code

A software engineer has proposed an architectural concept called the AI Security Gate, designed to enforce deterministic security controls on artifacts produced by AI agents in modern development workflows. As AI systems increasingly generate code, infrastructure configs, and CI/CD scripts autonomously, the author argues that human-dependent security checkpoints no longer scale reliably. Unlike AI code reviewers that reason probabilistically, the proposed gate applies fixed, rule-based checks — such as detecting exposed secrets or policy violations — consistently and without exception. The gate is envisioned as a distinct architectural layer, separate from quality review, positioned before any AI-generated artifact is accepted into a repository or deployment pipeline. The concept draws on existing tools like secret scanners and IaC validators, framing them collectively as implementations of a single, mandatory security role.

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ProgrammingDEV Community ·

ClickHouse 2026 Guide: When to Denormalize vs. Join in Analytical Workloads

A new technical guide from DEV Community outlines a decision framework for choosing between denormalization and normalization in ClickHouse analytical data modeling. Denormalization has long been the default for latency-sensitive analytics because pre-joining data at ingestion delivers faster reads for known access patterns. However, advances in columnar database join algorithms — including parallel hash joins, bloom filters, and dictionary-based direct joins — have made runtime joins viable for many modern workloads. While denormalization still offers superior raw read performance, normalization provides operational advantages such as simpler pipelines, flexible schemas, and easier data governance. The guide recommends engineers evaluate their specific workload characteristics — including concurrency, freshness requirements, and pipeline complexity — rather than defaulting to either approach.

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