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Calculate the number of business days between two dates?

... I've had such a task before and I've got the solution. I would avoid enumerating all days in between when it's avoidable, which is the case here. I don't even mention creating a bunch of DateTime instances, as I saw in one of the answers above. This is ...
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Convert Pixels to Points

...out the topic, but can't seem to locate a simple formula. Let's assume a standard 96dpi, how do I calulate this conversion? ...
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How to split a string into an array of characters in Python?

...enous sequence of unicode characters its so cool to be working with Python and creator Guido has made it the better. Loving python for its wonderful capabilities. – Doogle Aug 20 '17 at 6:07 ...
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Calculate distance between two latitude-longitude points? (Haversine formula)

How do I calculate the distance between two points specified by latitude and longitude? 41 Answers ...
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What does $_ mean in PowerShell?

...he current value in the pipe line, which is called $PSItem in Powershell 3 and newer. 1,2,3 | %{ write-host $_ } or 1,2,3 | %{ write-host $PSItem } For example in the above code the %{} block is called for every value in the array. The $_ or $PSItem variable will contain the current value...
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DropDownList in MVC 4 with Razor

...w what model to call? Where does "tipo" come from? – Andre Feb 2 '18 at 10:38 2 @Andre It's the n...
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How to convert a double to long without casting?

... d; // x = 1234 This will be faster than going via the wrapper classes - and more importantly, it's more readable. Now, if you need rounding other than "always towards zero" you'll need slightly more complicated code. shar...
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How to list npm user-installed packages?

...ed package ONLY in npm ? When I do npm -g list it outputs every package and their dependencies, which is not what I want. ...
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PHP array: count or sizeof?

...d use count() if they are the same, as in my experience it is more common, and therefore will cause less developers reading your code to say "sizeof(), what is that?" and having to consult the documentation. I think it means sizeof() does not work like it does in C (calculating the size of a dataty...
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Difference Between Select and SelectMany

I've been searching the difference between Select and SelectMany but I haven't been able to find a suitable answer. I need to learn the difference when using LINQ To SQL but all I've found are standard array examples. ...