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Python loop that also accesses previous and next values

How can I iterate over a list of objects, accessing the previous, current, and next items? Like this C/C++ code, in Python? ...
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Swift and mutating struct

There is something that I don't entirely understand when it comes to mutating value types in Swift. 7 Answers ...
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Logging best practices [closed]

... Update: For extensions to System.Diagnostics, providing some of the missing listeners you might want, see Essential.Diagnostics on CodePlex (http://essentialdiagnostics.codeplex.com/) Frameworks Q: What frameworks do you use? A: System.Diagnostics.TraceSource, built in to .NET 2.0. It p...
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Return None if Dictionary key is not available

I need a way to get a dictionary value if its key exists, or simply return None , if it does not. 11 Answers ...
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JavaScript dependency management: npm vs. bower vs. volo [closed]

... A description that best describes the difference between npm and bower is: npm manages JavaScript modules called packages and Bower manages front-end components (i.e. css, html, and JavaScript) called components. npm is also used to install bower. Here is an expansive article on npm and bower (d...
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Determine if two rectangles overlap each other?

...ween 2 and 5): height, width, x-pos, y-pos. All of these rectangles will exist parallel to the x and the y axis, that is all of their edges will have slopes of 0 or infinity. ...
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How to iterate over arguments in a Bash script

... represent all the arguments: for var in "$@" do echo "$var" done This will iterate over each argument and print it out on a separate line. $@ behaves like $* except that when quoted the arguments are broken up properly if there are spaces in them: sh test.sh 1 2 '3 4' 1 2 3 4 ...
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C++, What does the colon after a constructor mean? [duplicate]

... As others have said, it's an initialisation list. You can use it for two things: Calling base class constructors Initialising member variables before the body of the constructor executes. For case #1, I assume you understand inheritance (if that's not the c...
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window.onload vs document.onload

Which is more widely supported: window.onload or document.onload ? 9 Answers 9 ...
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Why are dates calculated from January 1st, 1970?

Is there any reason behind using date(January 1st, 1970) as default standard for time manipulation? I have seen this standard in Java as well as in Python. These two languages I am aware of. Are there other popular languages which follows the same standard? ...