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:: (double colon) operator in Java 8
...r<Integer> b1 = System::exit; // void exit(int status)
Consumer<String[]> b2 = Arrays::sort; // void sort(Object[] a)
Consumer<String> b3 = MyProgram::main; // void main(String... args)
class Hey {
public double getRandom() {
return Math.random();
}
}
Callable&...
rreplace - How to replace the last occurrence of an expression in a string?
Is there a quick way in Python to replace strings but, instead of starting from the beginning as replace does, starting from the end? For example:
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parseInt(null, 24) === 23… wait, what?
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It's converting null to the string "null" and trying to convert it. For radixes 0 through 23, there are no numerals it can convert, so it returns NaN. At 24, "n", the 14th letter, is added to the numeral system. At 31, "u", the 21st letter, is added and...
Is there a way to delete a line in Visual Studio without cutting it?
...command is omitted when you search in that fashion). The terrible UI only allows me to see 4 results at a time (for me, contrary to that screen shot in the other answer.) which makes it a real pain.
– Kirk Woll
Sep 17 '10 at 1:08
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jQuery AJAX cross domain
...hile since I've used php. In any case you need to output callbackName('jsonString') notice the quotes. jQuery will pass it's own callback name, so you need to get that from the GET params.
And as Stefan Kendall posted, $.getJSON() is a shorthand method, but then you need to append 'callback=?' to t...
How to copy Java Collections list
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Calling
List<String> b = new ArrayList<String>(a);
creates a shallow copy of a within b. All elements will exist within b in the exact same order that they were within a (assuming it had an order).
Similarly, calling
// note:...
Why do I need to override the equals and hashCode methods in Java?
...d equals() generated by eclipse)
public class MyClass {
private final String importantField;
private final String anotherField;
public MyClass(final String equalField, final String anotherField) {
this.importantField = equalField;
this.anotherField = anotherField;
}...
Java equivalent to Explode and Implode(PHP) [closed]
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The Javadoc for String reveals that String.split() is what you're looking for in regard to explode.
Java does not include a "implode" of "join" equivalent. Rather than including a giant external dependency for a simple function as the other...
How can I change UIButton title color?
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With Swift 5, UIButton has a setTitleColor(_:for:) method. setTitleColor(_:for:) has the following declaration:
Sets the color of the title to use for the specified state.
func setTitleColor(_ color: UIColor?, for state: UIControlState)
The following Playgro...
No 'Access-Control-Allow-Origin' - Node / Apache Port Issue
i've created a small API using Node/Express and trying to pull data using Angularjs but as my html page is running under apache on localhost:8888 and node API is listen on port 3000, i am getting the No 'Access-Control-Allow-Origin'. I tried using node-http-proxy and Vhosts Apache but not having ...