榜单
服务器优惠
AI论文
IT文库
-
Methods and instance variables
Methods and instance variables Getters and setters Redefining methods, and previous_def Catch-all initialization Methods and instance variables We can simplify our constructo... -
Methods and instance variables
Methods and instance variables Getters and setters Redefining methods, and previous_def Catch-all initialization Methods and instance variables We can simplify our constructo... -
Release Policy
Release Policy Backwards compatibility Reservations Experimental features Release Policy Crystal releases have a version indicated by a major, minor and patch number. The cu... -
Methods and instance variables
Methods and instance variables Getters and setters Redefining methods, and previous_def Catch-all initialization Methods and instance variables We can simplify our constructo... -
Methods and instance variables
Methods and instance variables Getters and setters Redefining methods, and previous_def Catch-all initialization Methods and instance variables We can simplify our constructo... -
Everything is an object
Everything is an object Everything is an object In Crystal everything is an object. The definition of an object boils down to these points: It has a type It can respond to som... -
Uninitialized variable declaration
Uninitialized variable declaration Uninitialized variable declaration Crystal allows declaring uninitialized variables: x = uninitialized Int32 x #=> some random value, ... -
Connection
Connection DB module DB#connect DB#open When to use one or the other? Connection A connection is one of the key parts when working with databases. It represents the runway t... -
Connection
Connection DB module DB#connect DB#open When to use one or the other? Connection A connection is one of the key parts when working with databases. It represents the runway t... -
Connection
Connection DB module DB#connect DB#open When to use one or the other? Connection A connection is one of the key parts when working with databases. It represents the runway t...