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What is the equivalent of the C# 'var' keyword in Java?

...), don't forget that non-virtual methods are affected by the Type they are cast as. I can't imagine a real world scenario where this is indicative of good design, but this may not work as you expect: class Foo { public void Non() {} public virtual void Virt() {} } class Bar : Foo { pu...
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What is a “slug” in Django?

...If I may provide some historical context : The term "slug" has to do with casting metal—lead, in this case—out of which the press fonts were made. Every paper then had its fonts factory regularly re-melted and recast in fresh molds, since after many prints they became worn out. Apprentices like...
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Any reason to clean up unused imports in Java, other than reducing clutter?

...hey don't get any warning about it until somewhere down the line there's a casting problem or invocation problem. This is, by the way, not an unrealistic scenario. Every time you had Eclipse ask you which specific version of X you wanted to import, and you picked one from among many packages, is a ...
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How do I catch a numpy warning like it's an exception (not just for testing)?

...catch_warnings() placement depending on how big of an umbrella you want to cast with catching errors this way. share | improve this answer | follow | ...
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Boost Statechart vs. Meta State Machine

... Minor nit-pick: In release mode, the use of C++ RTTI (dynamic_cast, typeid) is strictly optional with Boost.Statechart. – user49572 Nov 30 '10 at 7:43 add a comme...
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C++ valarray vs. vector

...ample. (By the way, if mean is really int, not double, you may need static_cast<double>(mean).) – musiphil Mar 27 '13 at 23:12 ...
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Returning IEnumerable vs. IQueryable

... This teaches me when casting to IEnumerable, the underlying IQueryable loses it's IQueryable extension method. – Yiping Jul 25 '18 at 2:23 ...
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Iterator Loop vs index loop [duplicate]

...(it's modulo arithmetic, and x-1 may be bigger than x). You instead should cast the size to an integer before using it. It may make some sense to use unsigned sizes and indexes (paying a LOT of attention to every expression you write) only if you're working on a 16 bit C++ implementation (16 bit was...
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Is there a performance impact when calling ToList()?

...nce), and the methods that start with As do not and will just require some cast or simple operation. Additional details on List<T> Here is a little more detail on how List<T> works in case you're interested :) A List<T> also uses a construct called a dynamic array which needs to...
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In C#, why is String a reference type that behaves like a value type?

... Not only strings are immutable reference types. Multi-cast delegates too. That is why it is safe to write protected void OnMyEventHandler() { delegate handler = this.MyEventHandler; if (null != handler) { handler(this, new EventArgs()); } } I suppo...