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What is the difference between an int and an Integer in Java and C#?
... Integer:
Integer i = new Integer(6);
You could call some method on i:
String s = i.toString();//sets s the string representation of i
Whereas with an int:
int i = 6;
You cannot call any methods on it, because it is simply a primitive. So:
String s = i.toString();//will not work!!!
would...
(![]+[])[+[]]… Explain why this works
...ition, an empty Array, [], this is made just to convert the false value to String, because the string representation of an empty array is just an empty string, is equivalent to:
false+[]; // "false"
false+''; // "false"
The last part, the pair of square brackets after the parentheses, they are th...
Passing enum or object through an intent (the best solution)
...N 1:
public enum AwesomeEnum {
SOMETHING, OTHER;
private static final String name = AwesomeEnum.class.getName();
public void attachTo(Intent intent) {
intent.putExtra(name, ordinal());
}
public static AwesomeEnum detachFrom(Intent intent) {
if(!intent.hasExtra(name)) throw new Ill...
Good ways to manage a changelog using git?
... && rm -f ChangeLog.tmp; \
fi
EXTRA_DIST += .last-cl-gen
This rule is used at release time to update ChangeLog with the latest not-yet-recorded commit messages. The file .last-cl-gen contains the SHA1 identifier of the latest commit recorded in ChangeL...
Java int to String - Integer.toString(i) vs new Integer(i).toString()
...
Integer.toString calls the static method in the class Integer. It does not need an instance of Integer.
If you call new Integer(i) you create an instance of type Integer, which is a full Java object encapsulating the value of your int...
How to apply multiple styles in WPF
...es, my first approach was to create a constructor that takes any number of strings using the “params” keyword:
public MultiStyleExtension(params string[] inputResourceKeys)
{
}
My goal was to be able to write the inputs as follows:
<Button Style="{local:MultiStyle BigButtonStyle, GreenBut...
Looking for jQuery find(..) method that includes the current node
...
@ronen An extra file for something which can be done in one line? Thanks, but no thanks.
– user659025
Nov 18 '15 at 14:58
...
How to pass the values from one activity to previous activity
....
Intent resultIntent = new Intent();
resultIntent.putExtra(PUBLIC_STATIC_STRING_IDENTIFIER, enteredTextValue);
setResult(Activity.RESULT_OK, resultIntent);
finish();
The final step is in the calling Activity: Override onActivityResult to listen for callbacks from the text entry Activity. Get the...
Converting user input string to regular expression
...r expression tester in HTML and JavaScript. The user will enter a regex, a string, and choose the function they want to test with (e.g. search, match, replace, etc.) via radio button and the program will display the results when that function is run with the specified arguments. Naturally there will...
Find and replace - Add carriage return OR Newline
In the case of following string to be parsed.
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