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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
...neric type parameter.
public class Main {
public static void main(String[] args) {
BiFunction<Integer, Long, String> bi = (x,y) -> ""+x+","+y;
TriFunction<Boolean, Integer, Long, String> tri = (x,y,z) -> ""+x+","+y+","+z;
System.out.println(bi.app...
How do I concatenate multiple C++ strings on one line?
...
#include <sstream>
#include <string>
std::stringstream ss;
ss << "Hello, world, " << myInt << niceToSeeYouString;
std::string s = ss.str();
Take a look at this Guru Of The Week article from Herb Sutter: The String Formatters of Ma...
How can I load storyboard programmatically from class?
... xib . But I can't find proper way to load and show storyboard programmatically. Project was started developing with xib, and now it's very hard to nest all xib files in storyboard. So I was looking a way to do it in code, like with alloc, init, push for viewControllers. In my case I have only one...
Compare two objects in Java with possible null values
I want to compare two strings for equality when either or both can be null .
12 Answers
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Dependency injection with Jersey 2.0
...the REST resources (in your case, MyResource) using the packages() method call.
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How do I replace the *first instance* of a string in .NET?
I want to replace the first occurrence in a given string.
14 Answers
14
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how to convert array values from string to int?
...e this by following code,
$integerIDs = array_map('intval', explode(',', $string));
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What's a concise way to check that environment variables are set in a Unix shell script?
...st variant (using just ?) requires STATE to be set, but STATE="" (an empty string) is OK — not exactly what you want, but the alternative and older notation.
The second variant (using :?) requires DEST to be set and non-empty.
If you supply no message, the shell provides a default message.
The ${v...
Limit Decimal Places in Android EditText
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Mihaela is right, we should be matching against the string that is trying to fill the edittext. I found how to concatenate on another question like this CharSequence match = TextUtils.concat(dest.subSequence(0, dstart), source.subSequence(start, end), dest.subSequence(dend, de...
How to get the first element of the List or Set? [duplicate]
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In Java >=8 you could also use the Streaming API:
Optional<String> first = set.stream().findFirst();
(Useful if the Set/List may be empty.)
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