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Formatting floats without trailing zeros

How can I format a float so that it doesn't contain trailing zeros? In other words, I want the resulting string to be as short as possible. ...
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foldl versus foldr behavior with infinite lists

The code for the myAny function in this question uses foldr. It stops processing an infinite list when the predicate is satisfied. ...
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What's the difference between HEAD^ and HEAD~ in Git?

When I specify an ancestor commit object in Git, I'm confused between HEAD^ and HEAD~ . 15 Answers ...
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What is “lifting” in Haskell?

I don't understand what "lifting" is. Should I first understand monads before understanding what a "lift" is? (I'm completely ignorant about monads, too :) Or can someone explain it to me with simple words? ...
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Difference between std::result_of and decltype

I have some trouble understanding the need for std::result_of in C++0x. If I understood correctly, result_of is used to obtain the resulting type of invoking a function object with certain types of parameters. For example: ...
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What's the difference between a single precision and double precision floating point operation?

What is the difference between a single precision floating point operation and double precision floating operation? 11 Answ...
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Recursive lambda functions in C++11

I am new to C++11. I am writing the following recursive lambda function, but it doesn't compile. 14 Answers ...
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Display name of the current file in vim?

How do you display the filename of the file you are working on in vim? 9 Answers 9 ...
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When to use f:viewAction / preRenderView versus PostConstruct?

When should one use the f:viewAction or preRenderView event to initialize data for a page versus using the @PostConstruct annotation? Is the rationale to use one or the other based on the type of scope of the backing bean e.g. If the backing bean is @RequestScoped , then would the choice of u...
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Python: Tuples/dictionaries as keys, select, sort

Suppose I have quantities of fruits of different colors, e.g., 24 blue bananas, 12 green apples, 0 blue strawberries and so on. I'd like to organize them in a data structure in Python that allows for easy selection and sorting. My idea was to put them into a dictionary with tuples as keys, e.g., ...