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How to create the most compact mapping n → isprime(n) up to a limit N?
...
There are many ways to do the primality test.
There isn't really a data structure for you to query. If you have lots of numbers to test, you should probably run a probabilistic test since those are faster, and then follow it up with a deterministic test to make su...
Is null check needed before calling instanceof?
...y good question indeed. I just tried for myself.
public class IsInstanceOfTest {
public static void main(final String[] args) {
String s;
s = "";
System.out.println((s instanceof String));
System.out.println(String.class.isInstance(s));
s = null;
...
What's a good way to extend Error in JavaScript?
...e object that is being thrown. Those things are guaranteed to be correct.
Test cases I used can be found here: JavaScript self-made Error object comparison.
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How to get height of entire document with JavaScript?
...ated.
There used to be a complex best-practice formula around for how you tested for correct height/width. This involved using document.documentElement properties if available or falling back on document properties and so on.
The simplest way to get correct height is to get all height values foun...
How do I wait for an asynchronously dispatched block to finish?
I am testing some code that does asynchronous processing using Grand Central Dispatch. The testing code looks like this:
13...
What are the dangers when creating a thread with a stack size of 50x the default?
...
Upon comparing test code with Sam, I determined that we are both right!
However, about different things:
Accessing memory (reading and writing) is just as fast wherever it is - stack, global or heap.
Allocating it, however, is fastest...
How to execute Python scripts in Windows?
...udio related, specifically when I try to run Python scripts in my AppVeyor tests. See help.appveyor.com/discussions/problems/….
– Jack O'Connor
Dec 21 '15 at 20:07
1
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AngularJS sorting by property
...teger), just by definition in view.
Example JSON:
{
"123": {"name": "Test B", "position": "2"},
"456": {"name": "Test A", "position": "1"}
}
Here is a fiddle which shows you the usage:
http://jsfiddle.net/4tkj8/1/
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Initialising mock objects - MockIto
...ions.initMocks(Object) is not necessary. Mocks are initialized before each test method.
The first solution (with the MockitoAnnotations.initMocks) could be used when you have already configured a specific runner (SpringJUnit4ClassRunner for example) on your test case.
The second solution (with the...
How can I display an image from a file in Jupyter Notebook?
...u can do the following:
from IPython.display import Image
Image(filename='test.png')
(official docs)
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