News
Claude Code Best Practices: 15 Tips from Running 6 Projects (2026)
4+ hour, 17+ min ago (995+ words) I've been running 6 production projects with Claude Code for the past year. Not toy projects " real SaaS products with users, payments, and deployments. These 15 practices are the ones that survived. I tried dozens more that didn't make the cut. Some…...
Inspecting HTTP Headers to Diagnose Caching and Authentication Issues
4+ hour, 23+ min ago (1775+ words) A lot of failures come down to headers: the client sent the wrong one, the server didn't send one, or a proxy stripped it. CORS, caching, auth'all live in headers. When something breaks, "what headers were actually sent and received?...
Evidence Briefing – Monólito vs Microsserviços
4+ hour, 26+ min ago (1248+ words) Diante desse contexto, este trabalho tem como objetivo analisar e sintetizar evid'ncias existentes sobre arquiteturas monol'ticas e de microsservi'os, buscando responder "s seguintes quest'es: Em seguida, foi conduzida uma busca automatizada no IEEE, utilizando uma string de busca definida a…...
From Messy Data to Action: A Power BI Guide for Analysts
4+ hour, 36+ min ago (574+ words) A common challenge data analysts face is transforming raw data into clear, actionable insights that drive business decisions. Raw data is often messy, unstructured, noisy and incomplete. Power Bi acts as a bridge between messy spreadsheets and strategic action. In…...
Why Percentiles Matter More Than Average Response Time in Performance Testing
4+ hour, 39+ min ago (314+ words) When analyzing load test results, many teams highlight a single number: Average response time = 1.2 seconds And that number is often presented as the main indicator of system performance. The problem? Average response time can lie. If you rely only on…...
Cloud Newbies: Avoid These 5 Costly Pitfalls! | Cloud Cost Optimization
7+ hour, 36+ min ago (365+ words) Pitfall 1: Poor Instance Selection " Common Mistakes: Test Before You Buy: Use "Pay-as-you-go" to benchmark performance before committing. Web Apps " General Purpose Leverage Tools: Use the cloud provider's advisor or sizing recommendation tools. " Savings: Strategic selection can drastically reduce your baseline…...
Stop miscalculating age in JavaScript: leap years, Feb 29, and the Jan 31 trap
7+ hour, 43+ min ago (364+ words) Most age calculators are wrong for at least one of these reasons: they do nowYear - dobYear and forget to check if the birthday already happened they treat all months like the same length they explode on Feb 29 birthdays they hit…...
How Attackers Use Extension Spoofing and How I Built a Tool to Stop Them
7+ hour, 59+ min ago (294+ words) I got tired of seeing ransomware slip through because attackers just rename malware.exe to invoice.pdf. So I built a tool that validates file extensions against magic numbers in real-time. What it does: Monitors file creation/modification using inotify…...
Stop Guessing Your Health: Build a Unified Quantified Self Dashboard with Streamlit and ECharts
8+ hour, 1+ min ago (339+ words) Are you tired of jumping between five different apps just to see how your sleep affected your glucose levels? Welcome to the world of Quantified Self. In this era of wearable overload, the real challenge isn't collecting data'it's data engineering…...
Lancei um app que transforma mensagens de amor em experiências emocionais (e aprendi muito com isso)
8+ hour, 14+ min ago (264+ words) Quero compartilhar um projeto que coloquei no ar recentemente e os aprendizados t'cnicos e de produto que vieram junto. A ideia nasceu de algo simples: " mensagens importantes (amor, pedidos de desculpa, anivers'rio) merecem mais do que um texto no WhatsApp....