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In C#, how to instantiate a passed generic type inside a method?
... factory class to build your object with compiled lamba expression: The fastest way I've found to instantiate generic type.
public static class FactoryContructor<T>
{
private static readonly Func<T> New =
Expression.Lambda<Func<T>>(Expression.New(typeof (T))).Com...
Best way to display decimal without trailing zeroes
...ix that problem. So for formatting decimals, G29 is the best bet.
decimal test = 20.5000m;
test.ToString("G"); // outputs 20.5000 like the documentation says it should
test.ToString("G29"); // outputs 20.5 which is exactly what we want
...
How to switch to the new browser window, which opens after click on the button?
...t;string> for which I can guarantee that the last entry is always the latest opened window. I tested that. If this works perfectly in C#, but is implemented wrongly in Java you should report that as a bug.
– Elmue
Aug 14 '17 at 3:34
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Custom exception type
...at stack traces work on Firefox and other browsers. It satisfies the same tests that he posted:
Usage:
throw new InvalidArgumentException();
var err = new InvalidArgumentException("Not yet...");
And it will behave is expected:
err instanceof InvalidArgumentException // -> true
err ...
What is the difference between jQuery: text() and html() ?
...hink the difference is nearly self-explanatory. And it's super trivial to test.
jQuery.html() treats the string as HTML, jQuery.text() treats the content as text
<html>
<head>
<title>Test Page</title>
<script type="text/javascript" src="http://ajax.googleapis.com/aj...
How to remove the first character of string in PHP?
...r[0] = null;
// replaced by �, but ok for echo
Exec time for 1.000.000 tests : 0.39602184295654 sec
Remove the first letter with substr()
$str = "hello";
$str = substr($str, 1);
Exec time for 1.000.000 tests : 5.153294801712 sec
Remove the first letter with ltrim()
$str = "hello";
$str...
Check if a string matches a regex in Bash script
...
You can use the test construct, [[ ]], along with the regular expression match operator, =~, to check if a string matches a regex pattern.
For your specific case, you can write:
[[ $date =~ ^[0-9]{8}$ ]] && echo "yes"
Or more a accu...
When should null values of Boolean be used?
... started to convert my boolean s to Boolean s. This can cause crashes in tests such as
14 Answers
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Measuring the distance between two coordinates in PHP
...ons possible, this version implements the formula in Wikipedia and is well tested. The $angle means the angle in the middle of the world in radians, so one can multiplicate it with the earth radius. I can also provide an example of the more complex Vincenty formula if someone is interested.
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C# - How to get Program Files (x86) on Windows 64 bit
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Why this test : 8 == IntPtr.Size ?
– Florian
Oct 7 '11 at 11:30
1
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