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How to get the position of a character in Python?
...e two is what happens when the search string isn't found. find() returns -1 and index() raises ValueError.
Using find()
>>> myString = 'Position of a character'
>>> myString.find('s')
2
>>> myString.find('x')
-1
Using index()
>>> myString = 'Position of a...
How to debug stream().map(…) with lambda expressions?
... the elements of the stream:
List<Integer> naturals = Arrays.asList(1,2,3,4,5,6,7,8,9,10,11,12,13);
naturals.stream()
.map(n -> n * 2)
.peek(System.out::println)
.collect(Collectors.toList());
UPDATE:
I think you're getting confused because map is an intermediate operation -...
What does ||= (or-equals) mean in Ruby?
...
174
This question has been discussed so often on the Ruby mailing-lists and Ruby blogs that there ...
In Scala, what exactly does 'val a: A = _' (underscore) mean?
...
144
val a: A = _ is a compile error. For example:
scala> val a: String = _
<console>:1: ...
Can a for loop increment/decrement by more than one?
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edited Oct 9 '12 at 23:23
answered Oct 9 '12 at 23:18
...
How to check if element in groovy array/hash/collection/list?
...f an array contains an element?
I thought there might be something like [1, 2, 3].includes(1) which would evaluate as true .
...
Why is the gets function so dangerous that it should not be used?
...
11 Answers
11
Active
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How to get index using LINQ? [duplicate]
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130
An IEnumerable is not an ordered set.
Although most IEnumerables are ordered, some (such as Di...
Generate a UUID on iOS from Swift
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edited Feb 23 at 10:34
Tilak Maddy
2,64922 gold badges2121 silver badges4040 bronze badges
answ...
Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
...alc = function (a, b) {
return a + b;
}
// Create 2 instances:
var ins1 = new Class(),
ins2 = new Class();
// Test the calc method:
console.log(ins1.calc(1,1), ins2.calc(1,1));
// -> 2, 2
// Change the prototype method
Class.prototype.calc = function () {
var args = Array.prototype...