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Calculate number of hours between 2 dates in PHP

...ateTime, DateInterval, DateTimeZone and DatePeriod. The cool thing about this classes is, that it considers different timezones, leap years, leap seconds, summertime, etc. And on top of that it's very easy to use. Here's what you want with the help of this objects: // Create two new DateTime-object...
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Find a value anywhere in a database

Given a #, how do I discover in what table and column it could be found within? 18 Answers ...
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Interface naming in Java [closed]

...ages prefix their interface names with a capital I, why does Java not do this? What was the rationale for not following this convention? ...
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Best way to check if object exists in Entity Framework?

What is the best way to check if an object exists in the database from a performance point of view? I'm using Entity Framework 1.0 (ASP.NET 3.5 SP1). ...
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How to test which port MySQL is running on and whether it can be connected to?

... To find a listener on a port, do this: netstat -tln You should see a line that looks like this if mysql is indeed listening on that port. tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN Por...
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Is there a shortcut on Android Studio to convert a text to uppercase?

... share | improve this answer | follow | edited Feb 8 '17 at 10:14 Cody Gray♦ 215k4040 go...
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Differences and relationship between glActiveTexture and glBindTexture

... All About OpenGL Objects The standard model for OpenGL objects is as follows. Objects have state. Think of them as a struct. So you might have an object defined like this: struct Object { int count; float opacity; char *name; }; The object has certain values stored in it ...
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How can I suppress all output from a command using Bash?

...runs a program with parameters. That program outputs some status (doing this, doing that...). There isn't any option for this program to be quiet. How can I prevent the script from displaying anything? ...
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RSpec vs Cucumber (RSpec stories) [closed]

... of course. But it still feels weird to use Cucumber. My current view on this, is that it's convenient to use Cucumber when you're implementing application for the client and do not understand how the whole system is supposed to work yet. ...
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How to do multiple arguments to map function where one remains the same in python?

... One option is a list comprehension: [add(x, 2) for x in [1, 2, 3]] More options: a = [1, 2, 3] import functools map(functools.partial(add, y=2), a) import itertools map(add, a, itertools.repeat(2, len(a))) ...