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How do browsers pause/change Javascript when tab or window is not active?
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+200
Test One
I have written a test specifically for this purpose:
Frame Rate Distribution: setInterval vs requestAnimationFrame
Note: T...
How to quit scala 2.11.0 REPL?
In the last version of scala (2.10.3) REPL, I can type exit to quit from REPL. However, in Scala 2.11.0 this doesn't work.
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How to get execution time in rails console?
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edited Jul 20 '19 at 4:28
Jeremy Baker
3,04833 gold badges2121 silver badges2525 bronze badges
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Controlling maven final name of jar artifact
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303
You set the finalName property in the plugin configuration section:
<plugin>
<gro...
Convert string with commas to array
... JSON.parse("[" + string + "]");
This gives you an Array of numbers.
[0, 1]
If you use .split(), you'll end up with an Array of strings.
["0", "1"]
Just be aware that JSON.parse will limit you to the supported data types. If you need values like undefined or functions, you'd need to use ...
How can I count the number of matches for a regex?
... following. (Starting from Java 9, there is a nicer solution)
int count = 0;
while (matcher.find())
count++;
Btw, matcher.groupCount() is something completely different.
Complete example:
import java.util.regex.*;
class Test {
public static void main(String[] args) {
String hel...
What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
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300
Your first port of call should be the documentation which explains it reasonably clearly:
T...
Accessing localhost:port from Android emulator
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420
You can access your host machine with the IP address "10.0.2.2".
This has been designed in thi...
Is there XNOR (Logical biconditional) operator in C#?
...te also that this doesn't generalize to bitwise operations, where you want 0x1234 XNOR 0x5678 == 0xFFFFBBB3 (assuming 32 bits). For that, you need to build up from other operations, like ~(A^B). (Note: ~, not !.)
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Python using enumerate inside list comprehension
...list)]
Either way, the result that gets returned is as expected:
> [(0, 'a'), (1, 'b'), (2, 'c'), (3, 'd')]
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