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Calculating how many minutes there are between two times

I have a datagridview in my application which holds start and finish times. I want to calculate the number of minutes between these two times. So far I have got: ...
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Android Spinner : Avoid onItemSelected calls during initialization

I created an Android application with a Spinner and a TextView . I want to display the selected item from the Spinner's drop down list in the TextView. I implemented the Spinner in the onCreate method so when I'm running the program, it shows a value in the TextView (before selecting an item ...
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Is it possible to use Java 8 for Android development?

...a. It's a gradle build dependency that integrates retrolambda, a tool that converts Java 8 bytecode back to Java 6/7. Basically, if you set the compiler in Android Studio to compile Java 8 bytecode, thus allowing lambdas, it'll convert it back to Java 6/7 bytecode which then in turn gets converted t...
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PostgreSQL: Which Datatype should be used for Currency?

... have to deal with multiple currencies you'll need that much precision for converting. No matter what I'm presenting a user, I always store to US Dollar. In that way I can readily convert to any other currency, given the conversion rate for the day involved. If you never do anything but one curre...
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What are 'get' and 'set' in Swift?

I'm learning Swift and I'm reading The Swift Programming Language from Apple, I have no Objective C background (only PHP, JS, and other but no Obj C) ...
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How to document a method with parameter(s)?

... This is closer to what I expected. Unfortunately, I picked plain PEP 257 and added my own convention (at the cost of loosing autogenerated HTML/PDF documentation). However, next time, I will pick this solution. Thanks. – David Andreoletti Apr 11 '12 at 5:51 ...
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Python: Why is functools.partial necessary?

...h lambdas? Not much in terms of extra functionality (but, see later) – and, readability is in the eye of the beholder. Most people who are familiar with functional programming languages (those in the Lisp/Scheme families in particular) appear to like lambda just fine – I say "most", definitely...
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Size-limited queue that holds last N elements in Java

... That's a good candidate, but, alas, it doesn't use generics :( – GreyCat Apr 15 '11 at 10:49 ...
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How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?

...lace_callback('/\\\\u([0-9a-fA-F]{4})/', function ($match) { return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE'); }, $str); In case it's UTF-16 based C/C++/Java/Json-style: $str = preg_replace_callback('/\\\\u([0-9a-fA-F]{4})/', function ($match) { return mb_convert_enco...
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Resizing an Image without losing any quality [closed]

...d start with a Bitmap image that is, say, twice as large as it needs to be and then scale down. The resulting image should be pretty smooth. – Pretzel Nov 21 '08 at 20:54 2 ...