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What is the difference between float and double?
...an double for something simple, e.g. computing the factorial of 60.
During testing, maybe a few test cases contain these huge numbers, which may cause your programs to fail if you use floats.
Of course, sometimes, even double isn't accurate enough, hence we sometimes have long double[1] (the above ...
What is aria-label and how should I use it?
... ARIA can lead to significantly worse accessibility if not implemented and tested properly. Don't use ARIA just to have some "cool things in the code" which you don't fully understand. Sadly too often ARIA implementations introduce more issues than solutions in terms of accessibility. This is rather...
Is String.Contains() faster than String.IndexOf()?
...me his initial complaint with concatenation is memory usage, then he only tests for time spent with the various ways to combine strings.
– sab669
Oct 15 '13 at 20:53
add a co...
Stopwatch vs. using System.DateTime.Now for timing events [duplicate]
... than subtracting DateTime values:
Stopwatch s = Stopwatch.StartNew();
// Tested code here
s.Stop();
Console.WriteLine("Elapsed Time: {0} ms", s.ElapsedMilliseconds);
Unfortunately, this simple piece of code won't be enough to get accurate measurements most of the times because there’s a lot of...
Writing files in Node.js
...PI. The most common way is:
const fs = require('fs');
fs.writeFile("/tmp/test", "Hey there!", function(err) {
if(err) {
return console.log(err);
}
console.log("The file was saved!");
});
// Or
fs.writeFileSync('/tmp/test-sync', 'Hey there!');
...
Static Classes In Java
...instance member
Simple example per suggestions from above:
public class TestMyStaticClass {
public static void main(String []args){
MyStaticClass.setMyStaticMember(5);
System.out.println("Static value: " + MyStaticClass.getMyStaticMember());
System.out.println("Value ...
XPath with multiple conditions
...You can apply multiple conditions in xpath using and, or
//input[@class='_2zrpKA _1dBPDZ' and @type='text']
//input[@class='_2zrpKA _1dBPDZ' or @type='text']
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When should TaskCompletionSource be used?
...
It looks like no one mentioned, but I guess unit tests too can be considered real life enough.
I find TaskCompletionSource to be useful when mocking a dependency with an async method.
In actual program under test:
public interface IEntityFacade
{
Task<Entity> Ge...
Difference between ApiController and Controller in ASP.NET MVC
... behave just like an ApiController, it can be very hard to maintain and to test: on top of that, having Controllers methods returning ActionResult mixed with others returning raw/serialized/IHttpActionResult data can be very confusing from a developer perspective, expecially if you're not working al...
How can I exclude all “permission denied” messages from “find”?
...ly")
Works with: find (GNU findutils) 4.4.2.
Background:
The -readable test matches readable files. The ! operator returns true, when test is false. And ! -readable matches not readable directories (&files).
The -prune action does not descend into directory.
! -readable -prune can be transla...