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Why is the minimalist, example Haskell quicksort not a “true” quicksort?

...ts are computed before that function starts running. In Haskell, it's the opposite. The function starts running first. The arguments are only computed when the function actually uses them. And a compound argument, like a list, is computed one piece at a time, as each piece of it is used. So the fi...
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Echo equivalent in PowerShell for script testing

... PowerShell interpolates, does it not? In PHP echo "filesizecounter: " . $filesizecounter can also be written as: echo "filesizecounter: $filesizecounter" In PowerShell something like this should suit your needs: Write-Host "filesizecounter: $filesizecounter...
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Java String array: is there a size of method?

I come from a php background and in php, there is an array_size() function which tells you how many elements in the array are used. ...
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How does comparison operator works with null int?

... not to assume that because a particular comparison returns false, the opposite case returns true. In the following example, 10 is not greater than, less than, nor equal to null. Only num1 != num2 evaluates to true. int? num1 = 10; int? num2 = null; if (num1 >= num2) { Console.Write...
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HTTP handler vs HTTP module

..., whereas handlers "handle" a specific file extension. So, if you've got a site with a LoggingModule and a PdfHandler, both will execute for a request to http://example.com/sample.pdf, and the logging module alone will execute for a request to http://example.com/page.aspx. There's a pretty clear ar...
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Determine a user's timezone

.... To put this into hours, divide by 60. Also, notice that the sign is the opposite of what you need - it's calculating GMT's offset from your time zone, not your time zone's offset from GMT. To fix this, simply multiply by -1. Also note that w3school says: The returned value is not a constant...
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Methods inside enum in C#

... Since I came across, and needed the exact opposite of enum to string, here is a Generic solution: static class EnumExtensions { public static T GetEnum<T>(this string itemName) { return (T) Enum.Parse(typeof(T), itemName, true); } } This also...
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Building a complete online payment gateway like Paypal [closed]

... this question isn't about integrating an existing payment gateway into my site. This is more of a architectural question. ...
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What is a Memory Heap?

...s the corresponding pointer, and this may result in a fragmented heap. In opposition only data at the top (or the bottom, depending on the way the stack works) may be released, resulting in data element being freed in the reverse order they were allocated. ...
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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]

...ese tests can be negated if negating shows a clearer intent than using the opposite operation. For example: if ! [[ -n $var ]]. If you're using [, the key to making sure that you don't get unexpected results is quoting the variable. Using [[, it doesn't matter. The error messages, which are being ...