Le fasi of the recovery of the vetro, until the new objects to understand the importance and practicability of recycling, stimulate the imagination and express their creativity.
If we do an assignment like this where instead of changing the value of one of the cells that's part of the p object, we assign p to a new value, well, this assignment we create a new object, a list containing 3 elements, the numbers 007.
All flexibility that's required can be hidden in that Factory, whether it's deciding which class to instantiate or whether to allocate a new object at all and just return a cached object..
It wasn't too long ago that I used to dread writing CRUD functionality for a new object with the same amount of ominous anticipation as having to repaint my house.
Travel can be a romantic element, with new objects in the vicinity of your town(especially on a short weekend holiday), or a renewed love fire between you and your partner.
If you instantiate a new object and save it and then late instantiate another new object with the same primary key or unique index value which already exists in the database, then it will replace/update that row in the database instead of inserting a new one.
Except for a few literals to create objects, syntax for declaring and assigning variables, most of the Smalltalk-80's syntax is expressed as message passing, including 1+ 2, creating a new object, and control flows like(x ifTrue:…).
If we have an immutable object(str, int, tuple, etc.), all the variables that refer to it will always see the same value, but operations that transform that value into a new value always return a new object.
For instance, when creating a new object/class, methods should normally be associated to the object's prototype rather than defined into the object constructor.
新しいオブジェクトなので、metageneration番号は1です。
Because the object is new, the metageneration number is 1.
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