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Memoization in Haskell?
... mf. This means that results like:
*Main Data.List> faster_f 123801
248604
are tolerable, but the result doesn't scale much better than that. We can do better!
First, let's define an infinite tree:
data Tree a = Tree (Tree a) a (Tree a)
instance Functor Tree where
fmap f (Tree l m r) = T...
Why does volatile exist?
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269
volatile is needed if you are reading from a spot in memory that, say, a completely separate pr...
Troubleshooting “Illegal mix of collations” error in mysql
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16 Answers
16
Active
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Turn off Visual Studio Attach security warning when debugging IIS
...ivate registry location, see this answer: https://stackoverflow.com/a/41122603/67910
For VS 2017, save this gist as a *.ps1 file and run it as admin, or copy and paste the following code in a ps1 file:
#IMPORTANT: Must be run as admin
dir $env:LOCALAPPDATA\Microsoft\VisualStudio\15.* | % {
#h...
Get value from SimpleXMLElement Object
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answered May 19 '10 at 16:45
Luis MelgrattiLuis Melgratti
10.8k22 gold badges2727 silver badges3232 bronze badges
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Random String Generator Returning Same String [duplicate]
...i++)
{
ch = Convert.ToChar(Convert.ToInt32(Math.Floor(26 * random.NextDouble() + 65)));
builder.Append(ch);
}
return builder.ToString();
}
// get 1st random string
string Rand1 = RandomString(4);
// get 2nd random string
strin...
What is the difference between attribute and property? [closed]
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AlnitakAlnitak
303k6767 gold badges369369 silver badges458458 bronze badges
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@selector() in Swift?
...: e.g. chris.valueForKeyPath(#keyPath(Person.friends.firstName)). See SE-0062 for details. And even more KeyPath stuff in Swift 4, so make sure you're using the right KeyPath-based API instead of selectors if appropriate.
You can read more about selectors under Interacting with Objective-C APIs in U...
Best way to allow plugins for a PHP application
...try point for plugins */
function hook() {
global $listeners;
$num_args = func_num_args();
$args = func_get_args();
if($num_args < 2)
trigger_error("Insufficient arguments", E_USER_ERROR);
// Hook name should always be first argument
$hook_name = array_shift($ar...