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What is the runtime performance cost of a Docker container?
...Docker container. I've found references to networking anecdotally being ~100µs slower .
3 Answers
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How to connect to my http://localhost web server from Android Emulator
...ct it to my localhost web server page at http://localhost or http://127.0.0.1 ?
11 Answers
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How to change text transparency in HTML/CSS?
I'm very new to HTML/CSS and I'm trying to display some text as like 50% transparent. So far I have the HTML to display the text with full opacity
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How do you find the sum of all the numbers in an array in Java?
...
In java-8 you can use streams:
int[] a = {10,20,30,40,50};
int sum = IntStream.of(a).sum();
System.out.println("The sum is " + sum);
Output:
The sum is 150.
It's in the package java.util.stream
import java.util.stream.*;
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Rotating a point about another point (2D)
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twe4ked
2,6091717 silver badges2323 bronze badges
answered Feb 13 '10 at 23:18
Nils PipenbrinckNils Pipenbrinck
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Get free disk space
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edited Sep 20 '11 at 15:25
Superman
3,48655 gold badges3030 silver badges4545 bronze badges
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Test if number is odd or even
...n which will return true if $number is even, false if odd:
$number % 2 == 0
Works for every integerPHP value, see as well Arithmetic OperatorsPHP.
Example:
$number = 20;
if ($number % 2 == 0) {
print "It's even";
}
Output:
It's even
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How to get a substring of text?
I have text with length ~700. How do I get only ~30 of its first characters?
5 Answers
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How to scroll to top of page with JavaScript/jQuery?
...op once it's fully loaded. This has Cross-browser support.
window.scrollTo(0,0);
history.scrollRestoration Browser support:
Chrome: supported (since 46)
Firefox: supported (since 46)
IE/Edge: not supported (Yet..)
Opera: supported (since 33)
Safari: supported
For IE/Edge if you want to re-s...
How to make gradient background in android
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answered Dec 18 '12 at 10:11
Gunnar KarlssonGunnar Karlsson
27.6k1010 gold badges6464 silver badges6969 bronze badges
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