Curated development tutorials from top sources. Filter by language.
When a storefront gives a tenant a new subdomain, propagation delay is the constraint that changes the answer. A fast cutover is useless if the mail s
Nobody edits a DKIM record on purpose at 02:00 on a Sunday, and no registrar sends you a webhook when someone does. That constraint — there is no even
Got a backend system that's been running for years — piles of APIs, complex business logic, and the thought of adding AI feels like a massive undertak
Short answer: use a realtime API built for fan-out publishing, but keep a small Go contract between the delivery tracking map and the provider so stab
Short answer: for a developer changelog tracker, use a staged retrieval architecture with an explicit collection, bounded queries, and source context
Correct orientation and framing before metadata inspection so the extraction step receives a cleaner receipt image. That is the operational recommenda
Short answer: use a TXT record to prove control of a tenant's domain, and use email confirmation to prove control of a person's mailbox; for a media S
"Why did we change the product terms on the website?" "They were changed by Agent #12 in tool call #32 because Decision #234 was ratified by John on
cgo Is a Deployment Contract Every Go team eventually faces a dependency that only ships as a C library: a hardware security module SDK, a
Integrating additional security measures into existing authentication systems often introduces operational risks. With our new Caddy plugin, we shift
I’d like to share ebike-go, a source-available collection of Go services for shared e-bike and pedal-assist bike operations: https://github.com/wangh
I recently just made an neovim theme because I switched from vscode to neovim to reduce distractions when I'm coding! The theme is called hot chocolat
When you first start out in frontend development, it is easy to think that User Experience (UX) is entirely about what happens inside the browser. You
As a computer enthusiast, I’m constantly dealing with a large number of Linux servers, which means I’m constantly connecting to them over SSH and runn
Hi Dev.to! Today marks a significant milestone in my software development journey. For a long time, I worked in the high-level web development ecosyst
Hexagonal architecture has a problem. Everyone quotes it, almost nobody shows the bill of a real refactor. TL;DR: I extracted a web app from a catch
Short answer: To prevent accidental DNS zone deletion in an automated pipeline, require an explicit domain allowlist and make record deletion the defa
There are two ways to get a school district's mail flowing through a new provider: write the MX records into the zone yourself, or show the records an
Most language debates online are framed as a competition — Go vs. Python, pick a side. In practice, the more interesting question for a working develo
I built an Ethereum wallet CLI in Go because I wanted to understand what a wallet actually does. Not just: generate a key create an address sign a