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Hidden Features of Java
...le to have an "OR" there instead of the &?
– mainstringargs
Jun 16 '09 at 18:37
9
@Grasper: N...
How to implement a Map with multiple keys? [duplicate]
....collect.Table;
import com.google.common.collect.HashBasedTable;
Table<String, String, Integer> table = HashBasedTable.create();
The usage is really simple:
String row = "a";
String column = "b";
int value = 1;
if (!table.contains(row, column)) {
table.put(row, column, value);
}
Syst...
JavaScript - cannot set property of undefined
...p up coders. (True associate arrays aren[t limited by requiring keys to be strings. The presence of inherited predefined properties is another major difference.) On the other hand, Javascript arrays, while objects, act like one expects a numerical array to behave. One is an aspect of functionalit...
Select element by exact match of its content
...ake the :contains() jQuery's selector to select elements with only the string that is typed in
8 Answers
...
Difference between @Mock and @InjectMocks
...blic Game(Player player) {
this.player = player;
}
public String attack() {
return "Player attack with: " + player.getWeapon();
}
}
class Player {
private String weapon;
public Player(String weapon) {
this.weapon = weapon;
}
String getWeapon(...
Expanding tuples into arguments
...und that you can do the same with lists, (in fact, any iterable, including strings), not sure how their mutability affects things. That would be interesting to look into.
– wcyn
Nov 26 '17 at 11:47
...
JAX-RS / Jersey how to customize error handling?
...ption extends WebApplicationException {
public NotAuthorizedException(String message) {
super(Response.status(Response.Status.UNAUTHORIZED)
.entity(message).type(MediaType.TEXT_PLAIN).build());
}
}
And to throw this newly create Exception you simply:
@Path("account...
How to debug stream().map(…) with lambda expressions?
...
static int timesTwo(int n) {
return n * 2;
}
public static void main(String[] args) {
List<Integer> naturals = Arrays.asList(3247,92837,123);
List<Integer> result =
naturals.stream()
.map(DebugLambda::timesTwo)
.collect(toList());
}
This mi...
Which characters need to be escaped when using Bash?
... and safe rules which work not only in sh but also bash.
1. Put the whole string in single quotes
This works for all chars except single quote itself. To escape the single quote, close the quoting before it, insert the single quote, and re-open the quoting.
'I'\''m a s@fe $tring which ends in new...
Naming convention - underscore in C++ and C# variables
... wayside with the advent of automatic properties though.
Before:
private string _name;
public string Name
{
get { return this._name; }
set { this._name = value; }
}
After:
public string Name { get; set; }
share...