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The easiest way to transform collection to array?
...
Alternative solution to the updated question using Java 8:
Bar[] result = foos.stream()
.map(x -> new Bar(x))
.toArray(size -> new Bar[size]);
share
|
improve...
How to split a String by space
...a solution. It is far from optimal to rely on regex for this, but now that Java has 8bit / 16bit byte representation, an efficient solution for this becomes quite long.
public class SplitStringTest
{
static final Pattern TRIM_UNICODE_PATTERN = Pattern.compile("^\\p{Blank}*(.*)\\p{Blank}$", UNICO...
Android How to adjust layout in Full Screen Mode when softkeyboard is visible
...o big.
The code has been ported to Kotlin, but porting my changes back to Java is simple. Let me know if you need help:
class AndroidBug5497Workaround constructor(activity: Activity) {
private val contentContainer = activity.findViewById(android.R.id.content) as ViewGroup
private val rootV...
Context switches much slower in new linux kernels
..., 0x601ac0, {FUTEX_OP_SET, 0, FUTEX_OP_CMP_GT, 1}) = 1
0.000125 futex(0x7f98ce4c0b88, FUTEX_WAKE_PRIVATE, 2147483647) = 0
0.000042 futex(0x601b00, FUTEX_WAKE_PRIVATE, 1) = 1
0.000038 futex(0x601b00, FUTEX_WAKE_PRIVATE, 1) = 1
0.000037 futex(0x601b00, FUTEX_WAKE_PRIVATE, 1) = 1
0.000030 futex(0x...
Why functional languages? [closed]
...amic language programmer complaining that a statically typed language like Java made it hard to return whatever type she wanted from a method, because she had to return whatever the type declaration said it would return.
– Ben
Feb 10 '14 at 21:37
...
Scala: Abstract types vs generics
...o notions of abstraction:
parameterization and
abstract members.
In Java you also have both, but it depends on what you are abstracting over.
In Java you have abstract methods, but you can't pass a method as a parameter.
You don't have abstract fields, but you can pass a value as a parameter....
SQlite Getting nearest locations (with latitude and longitude)
...pproximation and decrease amount of data that you need to evaluate in your java code. Use the following procedure for this purpose:
To have a deterministic threshold and more accurate filter on data, It is better to calculate 4 locations that are in radius meter of the north, west, east and south o...
How to mark a build unstable in Jenkins when running shell scripts
...scripts, then you can use the following command to mark a build unstable:
java -jar jenkins-cli.jar set-build-result unstable
To mark build unstable on error, you can use:
failing_cmd cmd_args || java -jar jenkins-cli.jar set-build-result unstable
The problem is that jenkins-cli.jar has to be ...
javax.validation.ValidationException: HV000183: Unable to load 'javax.el.ExpressionFactory'
...g to pom.xml following dependencies:
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>2.2.4</version>
</dependency>
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactI...
How to return a value from __init__ in Python?
...s new implicit in Python? I assumed Python's semantics were different from Java and the other languages that do use this word.
– cs95
Jul 20 '16 at 6:06
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