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Find first element by predicate
...imply do the following test:
List<Integer> list = Arrays.asList(1, 10, 3, 7, 5);
int a = list.stream()
.peek(num -> System.out.println("will filter " + num))
.filter(x -> x > 5)
.findFirst()
.get();
System.out.println(a);
Which output...
How to make an image center (vertically & horizontally) inside a bigger div [duplicate]
I have a div 200 x 200 px. I want to place a 50 x 50 px image right in the middle of the div.
36 Answers
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The cast to value type 'Int32' failed because the materialized value is null
...where there can be unexpected nulls in different places. ...DefaultIfEmpty(0).Sum(0) can help in this (quite simple) case, where there might be no elements and sql's SUM returns null whereas c# expect 0.
A more general approach is to use ?? which will be translated to COALESCE whenever there is a r...
Changing UIButton text
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Alex Zavatone
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answered Jul 10 '12 at 15:50
Jesse GumpoJesse Gumpo
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Sorting an ArrayList of objects using a custom sorting order
...anComparator(String field) {
this.getter = "get" + field.substring(0, 1).toUpperCase() + field.substring(1);
}
public int compare(Object o1, Object o2) {
try {
if (o1 != null && o2 != null) {
o1 = o1.getClass().getMethod(getter, new Class[...
How to make a background 20% transparent on Android
How do I make the background of a Textview about 20% transparent (not fully transparent), where there is a color in the background (i.e. white)?
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Why always ./configure; make; make install; as 3 separate steps?
...herefore make install will call make all
– user1974640
Dec 29 '14 at 14:04
excellent answer, however i don't understan...
Overriding superclass property with different type in Swift
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edited Dec 10 '19 at 10:00
Dávid Pásztor
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Git copy file preserving history [duplicate]
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edited Dec 7 '16 at 20:56
jschreiner
3,97922 gold badges99 silver badges1515 bronze badges
answered...
Ideal way to cancel an executing AsyncTask
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answered Apr 29 '10 at 19:28
yanchenkoyanchenko
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