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How a Large Transaction Caused DB Deadlocks, and the Fix
Recently in a project, we encountered the fact that sometimes we had a DB Deadlocks error.
What is Ruby on Rails Middleware.
The middleware component sits between the client and the server, processing inbound requests and outbound responses.
Custom templates for Rails scaffolding
Rails has a very handy tool for rapid development called scaffolding. Often programmers ignore it, because some things have to be written by hand anyway.
Auto-install system dependencies for Ruby on Rails
Add Homebrew Bundle and a Brewfile to bin/setup so one command installs Redis, PostgreSQL, Overmind, image tools and Yarn for a new Rails developer.
How To Setup Default Values For Attributes In Ruby On Rails
Since attributes are uninitialized when a new model is created without any parameters, default values will be set according to the attribute type.
Metaprogramming Pitfalls in Ruby on Rails Applications
Metaprogramming in Rails is quick to add and hard to support. The problems it brings: bugs that are hard to trace, hidden coupling, hard-to-change logic.
Why and how to use TDD. Main tips
Master Test-Driven Development for better code architecture. Learn TDD workflow, avoid common mistakes, and build maintainable software. Developer guide with examples ✓
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