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tl;dr - counter_cache: true will run an update_all on all affected records, which bypasses all other callback hooks. So even if you have after_save
Almost every user new to SSH hits this wall: WARNING: UNPROTECTED PRIVATE KEY FILE! Permissions 0644 for '/Users/.../id_rsa.pem' are too open. This
A CLI that compresses text with Huffman coding and reports the ratio, in Go. The essence of Huffman coding: give frequent symbols short bit strings,
У большинства self-hosted VPN-панелей одна и та же боль: Docker-стек, внешняя БД, реверс-прокси и куча конфигов, которые надо связать между собой, пре
Search engines like Google and Bing use sitemaps to efficiently crawl and index the pages of your website. In Laravel, generating a sitemap is easy wi
My app crashed with 'illegal instruction' – AVX compatibility fixed it It's a developer's nightmare scenario: your application, which purrs
Hey everyone! I'm a software engineering student at Learn2Earn, part of the 01Edu network. I am currently deep-diving into Golang and working through
You ship a /posts index page. It renders 50 posts, and for each one it shows the author's name with post.author.name. QA says the page is slow, and th
Laravel package for generating clean and reusable dashboard Most dashboards start innocently: a card for total users, another one for total
I expected bcrypt to silently drop characters past 72. I did not expect it to bake in half an emoji. That's what happens with a specific password com
You build a contact form. You submit it. The "Thank you" message shows up. Everything looks fine. Three weeks later a client mentions they never hear
Built a distributed authentication system for my portfolio. Here is an in-depth breakdown of the architecture, features, database configuration, and
Why Bohmian Mechanics, Go Programs, AI, and EBP 2.1 Could Help Reopen the Deepest Questions in Physics There is a quiet crisis in theoretic
The problem nobody talks about Copy text from an academic PDF. Paste it. Get $%&@#^*~. That's not a bug. It's intentional — called font ob
Python was the first language I ever wrote code in. I was a beginner. Ran some scripts. Never built anything meaningful. Then college started and I m
The problem Autonomous agents lose auth state during long runs. Token rotation, OAuth refreshes, and session timeouts all silently break.
Just as PureScript has expanded into the backend after having long been confined to the frontend (at least in people's minds), it is now spreading to
Code reviews are the part of development everyone agrees is important and nobody has time for. What if you could automate the first pass with an AI mo
I gotta say, how I Cut My AI Costs by 60% Using Global API's DeepSeek Models Three weeks ago I was sitting in my apartment with a cold cup of coffee,
Recap from part 1: We traced a connection from the 24-byte preface through SETTINGS exchange, the 9-byte frame header, the seven-loop guard tower, an