#Programming (Програмування)
163 posts in category «Programming (Програмування)»
Notes on programming in Ukrainian: coding languages, algorithms, the latest technologies and other useful information for developers.
What does scope mean in IT project management?
Scope - is a term that refers to the amount of work that needs to be completed to finish a project. The scope includes all tasks,…
What is technical debt in IT projects?
Technical debt is like a loan you take to speed up the development of a software product, but then the interest starts accruing i…
[Fix] Rails Admin - undefined local variable or method javascript_importmap_shim_nonce_configuration_tag
After updating Ruby Gems, an error occurred on the Rails Admin page. undefined local variable or method `javascript_importmap_shi…
Enabling YJIT in Ruby 3.2.1 (Ruby on Rails)
First, we need to understand what JIT and YJIT are and whether we need them. In this note, I will describe the process of updatin…
What is native machine code?
Native machine code is a type of software code that is executed directly by a computer's processor. It is specific to each type o…
A bit about Ruby implementation types (CRuby (MRI), JRuby, Rubinius, TruffleRuby, mruby)
Ruby - object-oriented programming language with dynamic typing. It has several implementations that are specifically tailored fo…
What is a Garbage Collector in Ruby? How does it work and what is GC needed for?
Garbage Collector in Ruby is an automated memory management mechanism responsible for monitoring and freeing memory that is no lo…
ZOMBIE in Ruby. What is it?
Ruby is a programming language. Everything is clear here. In the code of this language, you may encounter the term - ZOMBIE. What…
Analyzing the PG::ObjectInUse error (Ruby on Rails)
Sometimes during development, you may encounter the error PG::ObjectInUse: ERROR.For example: rake db:drop; It will show us the f…
We fix ActiveRecord::ProtectedEnvironmentError in the local environment.
Locally, you may see the error ActiveRecord::ProtectedEnvironmentError if you attempt to access an environment that is protected,…
