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Why does [5,6,8,7][1,2] = 8 in JavaScript?

...e second [...] cannot be an array, so it’s an array subscript operation. And the contents of a subscript operation are not a delimited list of operands, but a single expression. Read more about the comma operator here. sh...
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What are the differences between “generic” types in C++ and Java?

Java has generics and C++ provides a very strong programming model with template s. So then, what is the difference between C++ and Java generics? ...
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What really happens in a try { return x; } finally { x = null; } statement?

I saw this tip in another question and was wondering if someone could explain to me how on earth this works? 5 Answers ...
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Python dictionary: are keys() and values() always the same order?

It looks like the lists returned by keys() and values() methods of a dictionary are always a 1-to-1 mapping (assuming the dictionary is not altered between calling the 2 methods). ...
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What is the difference between 0.0.0.0, 127.0.0.1 and localhost?

I am using Jekyll and Vagrant on my mac. I found that Jekyll server will bind to 0.0.0.0:4000 instead of 127.0.0.1:4000 . Also gem server will bind to this address by default. I can still visit it via http://localhost:port . But for Jekyll , it seems that the default setting (e.g. 0.0....
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Difference between $state.transitionTo() and $state.go() in Angular ui-router

In AngularJS, I see sometimes we use $state.transitionTo() and sometimes we use $state.go() . Can anyone tell me how they differ and when one should be used over the other? ...
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How to iterate through range of Dates in Java?

...t I need to perform a set of actions through range of dates, given a start and end date. Please provide me guidance to achieve this using Java. ...
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Spring: @Component versus @Bean

I understand that @Component annotation was introduced in spring 2.5 in order to get rid of xml bean definition by using classpath scanning. ...
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Importing from a relative path in Python

I have a folder for my client code, a folder for my server code, and a folder for code that is shared between them 5 Answer...
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Create a branch in Git from another branch

I have two branches: master and dev 9 Answers 9 ...