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Calculate business days

...case the whole interval is within a week, in the second case the interval falls in two weeks. if ($the_first_day_of_week <= $the_last_day_of_week) { if ($the_first_day_of_week <= 6 && 6 <= $the_last_day_of_week) $no_remaining_days--; if ($the_first_day_of_week &l...
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How to Customize the time format for Python logging?

... if your configuring logging with basicConfig, it takes a named parameter called datefmt – Bruno Lopes May 9 '13 at 12:11 10 ...
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How can I round up the time to the nearest X minutes?

... new DateTime((dt.Ticks + d.Ticks - 1) / d.Ticks * d.Ticks, dt.Kind); } Example: var dt1 = RoundUp(DateTime.Parse("2011-08-11 16:59"), TimeSpan.FromMinutes(15)); // dt1 == {11/08/2011 17:00:00} var dt2 = RoundUp(DateTime.Parse("2011-08-11 17:00"), TimeSpan.FromMinutes(15)); // dt2 == {11/08/2011...
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Hash and salt passwords in C#

... Actually this is kind of strange, with the string conversions - which the membership provider does to put them into config files. Hashes and salts are binary blobs, you don't need to convert them to strings unless you want to put...
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Is Javascript a Functional Programming Language?

...e are closures, and higher order functions, does Javascript deserve to be called a Functional Programming language? The main thing I think it lacks is Pure Functions, and it doesn't 'feel' like other functional languages, like lisp (although thats not really a good reason for it not to be a functio...
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Running the new Intel emulator for Android

... I had the same issue, solved it by Installing the Intel Hardware Accelerated Execution Manager. Download it with the SDK Manager, it's in Extras. After this, go to the folder [Android SDK Root]\extras\intel\Hardware_Accelerated_Execution_Manager then run IntelHa...
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How to prevent browser page caching in Rails

... Finally figured this out - http://blog.serendeputy.com/posts/how-to-prevent-browsers-from-caching-a-page-in-rails/ in application_controller.rb After Rails 5: class ApplicationController < ActionController::Base before_a...
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Java: how to initialize String[]?

...emory storage for the String elements before you can start setting the index. If you only declare the array (as you did) there is no memory allocated for the String elements, but only a reference handle to errorSoon, and will throw an error when you try to initialize a variable at any index. As a ...
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Is it possible to delete an object's property in PHP?

... unset($a->new_property); This works for array elements, variables, and object attributes. Example: $a = new stdClass(); $a->new_property = 'foo'; var_export($a); // -> stdClass::__set_state(array('new_property' => 'foo')) ...
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How do you easily horizontally center a using CSS? [duplicate]

I'm trying to horizontally center a <div> block element on a page and have it set to a minimum width. What is the simplest way to do this? I want the <div> element to be inline with rest of my page. I'll try to draw an example: ...