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I created a migration with unsigned user_id. How can I edit user_id in a new migration to also make it nullable()? Schema::create('throttle', function(Blueprint $table) { $table->increments('id'); // this needs...
I’m wanting to parse a string into a nullable int in C#. ie. I want to get back either the int value of the string or null if it...
How can I accomplish this using Postgres? I’ve tried the code below but it doesn’t work: ALTER TABLE mytable ALTER COLUMN mycolumn BIGINT NULL; 1 Answer 1
Optional type introduced in Java 8 is a new thing for many developers. Is a getter method returning Optional<Foo> type in place of the classic Foo a good practice?...
I’m just revising chapter 4 of C# in Depth which deals with nullable types, and I’m adding a section about using the “as” operator, which allows you to write:...
I have an interface in TypeScript. interface Employee{ id: number; name: string; salary: number; } I would like to make salary as a nullable field (Like we can do...
I always used Nullable<>.HasValue because I liked the semantics. However, recently I was working on someone else’s existing codebase where they used Nullable<> != null exclusively instead. Is there...
How do I convert a nullable int to an int? Suppose I have 2 type of int as below: int? v1; int v2; I want to assign v1‘s value...