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In Parts 1 and 2, we built a storage engine: WAL for durability and LSM tree for efficient disk reads. This works. But there is a problem growing qui
Our watch pages looked static, so we cached them hard at the edge. Then support tickets started: logged-in users saw "Sign in" in the header, watch co
Hi dev.to community! 👋 Today, I’m incredibly excited to share MandarinClips, a side project I’ve been pouring my soul into. It's a high-performance l
TL;DR Shipped an email broadcast module: audience filtering, suppression, queued per-recipient sends, delivery tracking. Fixed a silent im
TL;DR Shipped an email broadcast feature: audience filter → suppression gate → one queued job per recipient → per-recipient status ledger.
TL;DR Rewrote a bootstrap seeder so the deployment stack — DB engine, queue runner, PHP version — is config, not hardcoded. Renamed it awa
This tutorial walks you through how to safely handle form submissions from an HTML page into a MySQL database. We will use PDO (PHP Data Objects) beca
Most security tools ask a lot of you before they tell you anything: create a cloud account, wire up CI, install a scanner and its dependencies, maybe
Introdução A análise de vulnerabilidade de rede é um exercício constante de compreensão de como os dados trafegam e são interpretados por dispositi
tableau vs power bi used to be the whole BI-tool interview question — and in 2026 it is only the opening move. The reality on the ground is a four-cor
hex vs mode is the single biggest analytics-notebook procurement call a data team makes in 2026 — and the one most teams get wrong on the first try be
Word Frequency Analysis: What Your Text Is Really Saying Every piece of writing has a fingerprint — not in the ideas it expresses, but in w
gaming data engineering is the single most under-documented specialisation in the data-platform world in 2026 — and the one where a senior interviewer
If you need to pull GLEIF LEI data at scale and there's no clean official API, this guide shows how to export it to JSON, CSV or Excel in a couple of
If you need to pull Bulk Email Deliverability data at scale and there's no clean official API, this guide shows how to export it to JSON, CSV or Excel
adtech data engineering is the single most under-appreciated senior-DE specialisation in 2026 — a stack that combines sub-100ms real-time bidding, fin
If you need to pull USAJobs data at scale and there's no clean official API, this guide shows how to export it to JSON, CSV or Excel in a couple of mi
A user tells you they never got the password-reset email. You check: WordPress says it sent. wp_mail() returned true. There is nothing in the logs, be
I saw Neon’s announcement of the @neon/sdk TypeScript client this morning and instantly thought about the countless scripts I’ve written to spin up te
Hello everyone! The long-awaited TypeScript 7 was finally released the other day. And the new features it brings are truly astonishing. Several month