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Difference between len() and .__len__()?

Is there any difference between calling len([1,2,3]) or [1,2,3].__len__() ? 4 Answers ...
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difference between iframe, embed and object elements

...frame> element" Primarily used to include resources from other domains or subdomains but can be used to include content from the same domain as well. The <iframe>'s strength is that the embedded code is 'live' and can communicate with the parent document. <embed> Standardised in HTML...
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Pros and Cons of Interface constants [closed]

...ou can avoid the use of constants by implementing other patterns (strategy or perhaps flyweight), there is something to be said for not needing a half dozen other classes to represent a concept. I think what it boils down to, is how likely is there a need for other constants. In other words, is th...
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How do I check if a type is a subtype OR the type of an object?

...is and as Type.IsSubclassOf As you've already found out, this will not work if the two types are the same, here's a sample LINQPad program that demonstrates: void Main() { typeof(Derived).IsSubclassOf(typeof(Base)).Dump(); typeof(Base).IsSubclassOf(typeof(Base)).Dump(); } public class B...
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Java Replacing multiple different substring in a string at once (or in the most efficient way)

...ing in the most efficient way. is there another way other then the brute force way of replacing each field using string.replace ? ...
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Meaning of Git checkout double dashes

What is the meaning of the double dashes before the file name in this git command? 3 Answers ...
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Clojure differences between Ref, Var, Agent, Atom, with examples

I'm very new to Clojure, Can you guys give me explanation with real world scenarios. I mean, where to use Ref, Var, Agent, Atom. I read book, but, still couldn't understand the real world examples. ...
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What exceptions should be thrown for invalid or unexpected parameters in .NET?

What types of exceptions should be thrown for invalid or unexpected parameters in .NET? When would I choose one instead of another? ...
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Recursion or Iteration?

Is there a performance hit if we use a loop instead of recursion or vice versa in algorithms where both can serve the same purpose? Eg: Check if the given string is a palindrome. I have seen many programmers using recursion as a means to show off when a simple iteration algorithm can fit the bill. D...
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AngularJS- Login and Authentication in each route and controller

... My solution breaks down in 3 parts: the state of the user is stored in a service, in the run method you watch when the route changes and you check if the user is allowed to access the requested page, in your main controller you watch if the state of the user change. app.run(['$rootScope...