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How to use Swift @autoclosure
...})
// "It's true"
If we omit the braces, we are passing in an expression and that's an error:
f(pred: 2 > 1)
// error: '>' produces 'Bool', not the expected contextual result type '() -> Bool'
@autoclosure creates an automatic closure around the expression. So when the caller writes an...
What are Transient and Volatile Modifiers?
...aking the object's state persistent. That means the state of the object is converted into a stream of bytes to be used for persisting (e.g. storing bytes in a file) or transferring (e.g. sending bytes across a network). In the same way, we can use the deserialization to bring back the object's state...
What does `someObject.new` do in Java?
...
And, as you can tell, this can be incredibly confusing. Ideally, inner classes should be implementation details of the outer class and not be exposed to the outside world.
– Eric Jablow
...
Will the base class constructor be automatically called?
...e -> Most Derived.
So in your particular instance, it calls Person(), and then Customer() in the constructor orders. The reason why you need to sometimes use the base constructor is when the constructors below the current type need additional parameters. For example:
public class Base
{
p...
What is the difference between a field and a property?
In C#, what makes a field different from a property, and when should a field be used instead of a property?
32 Answers
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Different names of JSON property during serialization and deserialization
...
Just tested and this works:
public class Coordinates {
byte red;
@JsonProperty("r")
public byte getR() {
return red;
}
@JsonProperty("red")
public void setRed(byte red) {
this.red = red;
}
}
T...
How to set the UITableView Section title programmatically (iPhone/iPad)?
...uilder using storyboards . The UITableView is setup with static cells and a number of different sections.
8 Answers
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How To Create Table with Identity Column
...'s specific situation, would be to edit the one line in the generated DDL, and not try to write it from scratch using simplest syntax. Also the example you gave does not assign a name to the PK constraint as OP has. Many prefer my constraints named so they have the same name in all environments (dev...
Is the primary key automatically indexed in MySQL?
...implicit when defining the primary key? Is the answer the same for MyISAM and InnoDB?
9 Answers
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What is the difference between dynamic and static polymorphism in Java?
...ne provide a simple example that explains the difference between Dynamic and Static polymorphism in Java?
14 Answers
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