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p vs puts in Ruby

...y a newline, i.e. it prints the value of inspect instead of to_s, which is more suitable for debugging (because you can e.g. tell the difference between 1, "1" and "2\b1", which you can't when printing without inspect). shar...
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How do I return multiple values from a function? [closed]

...library got the NamedTuple class to make named tuples easier to create and more powerful. Inheriting from typing.NamedTuple lets you use docstrings, default values, and type annotations. Example (From the docs): class Employee(NamedTuple): # inherit from typing.NamedTuple name: str id: in...
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Describe the architecture you use for Java web applications? [closed]

...sines model knowledge, and the DAO's do relatively simple CRUD work. Some more complicated query stuff is handled by more complicated queries in the backend for performance reasons. Advantages of using Spring in our case is that we can have country/language dependant instances, which are behind a ...
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Covariance, Invariance and Contravariance explained in plain English?

...In Java, arrays are covariant) This was still rather abstract. To make it more concrete, let's look at which operations in Java are defined in terms of the subtype relation. The simplest example is assignment. The statement x = y; will compile only if typeof(y) ≤ typeof(x). That is, we have j...
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how do i block or restrict special characters from input fields with jquery?

...searching the issue and will update my answer or comment here when I learn more. – rexmac Mar 19 '15 at 23:23  |  show 2 more comments ...
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What's the difference between “STL” and “C++ Standard Library”?

...e separate and that there are some differences. These differences are even more pronounced in the upcoming new C++ standard, which includes various features and significantly alters some classes. The original STL is now often called "an implementation of the C++ Standard Template Library" (rather b...
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What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN? [duplicate]

...sentation of projection therefore cannot be joins. I think it will confuse more than benefit when the context is joins. – onedaywhen Sep 9 '11 at 11:02 ...
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What is the difference between a framework and a library?

... sense of a classical library) and call it a "framework" because it sounds more fancy. share | improve this answer | follow | ...
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How well is Unicode supported in C++11?

...ink all but the first one provide terrible support. I'll get back to it in more detail after a quick detour through your other questions. Does std::string do what it should? Yes. According to the C++ standard, this is what std::string and its siblings should do: The class template basic_s...
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Why isn't Python very good for functional programming? [closed]

...stion is: why isn't Python very good for functional programming? Are there more reasons than its lack of pattern matching and algebraic data types? Or are these concepts so important to functional programming that a language that doesn't support them can only be classed as a second rate functional p...