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How to decide between MonoTouch and Objective-C? [closed]
...ono stack. However, since MonoTouch costs $400, I'm somewhat torn on if this is the way to go for iPhone development.
14 A...
Why is there no String.Empty in Java?
...and that every time I type the string literal "" , the same String object is referenced in the string pool.
11 Answers
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Java Interfaces/Implementation naming convention [duplicate]
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Name your Interface what it is. Truck. Not ITruck because it isn't an ITruck it is a Truck.
An Interface in Java is a Type. Then you have DumpTruck, TransferTruck, WreckerTruck, CementTruck, etc that implement Truck.
When you are using the Interface...
Runtime vs. Compile time
What is the difference between run-time and compile-time?
28 Answers
28
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Convert char to int in C and C++
..., you can write
char a = 'a';
int ia = (int)a;
/* note that the int cast is not necessary -- int ia = a would suffice */
to convert the character '0' -> 0, '1' -> 1, etc, you can write
char a = '4';
int ia = a - '0';
/* check here if ia is bounded by 0 and 9 */
Explanation:
a - '0' is e...
Difference between staticmethod and classmethod
What is the difference between a function decorated with @staticmethod and one decorated with @classmethod ?
27 Answers
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What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association
What is the difference between:
8 Answers
8
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Sockets: Discover port availability using Java
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This is the implementation coming from the Apache camel project:
/**
* Checks to see if a specific port is available.
*
* @param port the port to check for availability
*/
public static boolean available(int port) {
if...
Java: Get first item from a collection
...ll an Iterator , take its first next() , then throw the Iterator away. Is there a less wasteful way to do it?
12 Answer...
reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
...b service I had a class field _allData of my own type SystemData which consists of few List<T> and Dictionary<T> marked as volatile . The system data ( _allData ) is refreshed once in a while and I do it by creating another object called newData and fill it's data structures with ...