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@ variables in Ruby on Rails

...cope (current block) @title is an instance variable - and is available to all methods within the class. You can read more here: http://strugglingwithruby.blogspot.dk/2010/03/variables.html In Ruby on Rails - declaring your variables in your controller as instance variables (@title) makes them ava...
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How to use gradle zip in local system without downloading when using gradle-wrapper

...es a main point of the wrapper, which is that Gradle is downloaded and installed automatically for all build users. If you prefer to use a local installation, put it on your PATH and invoke gradle rather than gradlew. – Peter Niederwieser Apr 7 '14 at 6:59 ...
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How do I write a correct micro-benchmark in Java?

...istics. Rule 1: Always include a warmup phase which runs your test kernel all the way through, enough to trigger all initializations and compilations before timing phase(s). (Fewer iterations is OK on the warmup phase. The rule of thumb is several tens of thousands of inner loop iterations.) Rule ...
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NSRange to Range

...dited Jan 4 '17 at 14:30 juancazalla 9461010 silver badges1616 bronze badges answered Oct 22 '14 at 21:46 Alex...
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jquery disable form submit on enter

... Usually form is submitted on Enter when you have focus on input elements. We can disable Enter key (code 13) on input elements within a form: $('form input').on('keypress', function(e) { return e.which !== 13; }); DEMO: ...
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Checkbox for nullable boolean

...iad of different reasons why the foo input might not appear on the page at all. If it does appear I can assume there's a value, but I need to be able to differentiate between when the model is posted with foo as unchecked and when foo isn't shown. – DMulligan J...
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Can a C# class inherit attributes from its interface?

...h is searched for the attributes.</param> /// <returns>Returns all attributes.</returns> public static T[] GetCustomAttributes<T>( this Type type ) where T : Attribute { return GetCustomAttributes( type, typeof( T ), false ).Select( arg => (T)arg ).ToArray(); } /// <...
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Python 3.x rounding behavior

... Python 3's way (called "round half to even" or "banker's rounding") is considered the standard rounding method these days, though some language implementations aren't on the bus yet. The simple "always round 0.5 up" technique results in a sli...
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Cell spacing in UICollectionView

... This is a much better answer. Take a look at the callbacks you can adjust in the UICollectionViewDelegateFlowLayout and you can see how this can be tweaked. – cynistersix Dec 17 '14 at 2:52 ...
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How do I create a basic UIButton programmatically?

... XorsatXorsat 2,3281919 silver badges2121 bronze badges ...