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Programming (Програмування)

All posts in this category by @kovbaska

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What is Middleware in Ruby on Rails and when is it used

Nov 4, '25 10:39

What is Middleware in Ruby on Rails and when is it used

Нотатки про Ruby та RoR@kovbaska

The difference between blank?, present?, empty? and nil? in Ruby

Oct 30, '25 21:06

The difference between blank?, present?, empty? and nil? in Ruby

Нотатки про Ruby та RoR@kovbaska

Variables in Ruby: @, @@ and class instance variable

Oct 30, '25 20:54

Variables in Ruby: @, @@ and class instance variable

Нотатки про Ruby та RoR@kovbaska

&& vs and — the difference in Ruby that can break your code

Oct 30, '25 20:23

&& vs and — the difference in Ruby that can break your code

Нотатки про Ruby та RoR@kovbaska

is_a?, kind_of?, instance_of? — how does Ruby check the type of an object?

Oct 30, '25 19:55

is_a?, kind_of?, instance_of? — how does Ruby check the type of an object?

Нотатки про Ruby та RoR@kovbaska

What is memoization in Ruby?

Oct 30, '25 10:17

What is memoization in Ruby?

Нотатки про Ruby та RoR@kovbaska

module_function in Ruby: when module methods are available as module methods and as functions

Oct 29, '25 21:53

module_function in Ruby: when module methods are available as module methods and as functions

Нотатки про Ruby та RoR@kovbaska

Include, Extend, Prepend in Ruby: how they work and what the difference is

Oct 29, '25 21:20

Include, Extend, Prepend in Ruby: how they work and what the difference is

Нотатки про Ruby та RoR@kovbaska

==, equal?, eql?, === in Ruby: what they check and when to use them

Oct 29, '25 20:47

==, equal?, eql?, === in Ruby: what they check and when to use them

Нотатки про Ruby та RoR@kovbaska

What happens if you call [1, 2, 3].map(&Person)

Oct 29, '25 17:54

What happens if you call [1, 2, 3].map(&Person)

Нотатки про Ruby та RoR@kovbaska