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Why do we copy then move?

...or) is called, that we will be wanting a local copy of that argument. The idea is that if we know that we are going to be making a copy, we should let the caller know that we are making a copy by putting it in our argument list. They can then optimize around the fact that they are going to give us...
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Why is an int in OCaml only 31 bits?

... There are people who say that this answer is imprecise. I have no idea if this is the case or if they are nitpicking. I just thought i would point to it in case it contains some truth. – surfmuggle Jun 28 '13 at 17:41 ...
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Grouping functions (tapply, by, aggregate) and the *apply family

...to each element of a nested list structure, recursively. To give you some idea of how uncommon rapply is, I forgot about it when first posting this answer! Obviously, I'm sure many people use it, but YMMV. rapply is best illustrated with a user-defined function to apply: # Append ! to string, othe...
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Is there a list of screen resolutions for all Android based phones and tablets? [closed]

...ometimes part of your design looks too distorted then. Advanced layout ideas: For text, you can design for 1.3333, then increase line spacing for 1.666 - though that will look quite sparse. For graphics, design for an intermediate ratio, so that on some screens it is slightly squashed, on ...
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How do I uniquely identify computers visiting my web site?

...it as essentially localStorage/cookies, i.e. to remember lots of data. The idea would be for a library to have methods like storageFacade.setItem and storageFacade.getItem. And it tries to use localStorage, but fallsback to your technique when disabled. ..Perhaps the way it works is via a single fil...
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How do I base64 encode (decode) in C?

... openssl library but i could not find any function. Does any body have any idea? 16 Answers ...
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Why are Subjects not recommended in .NET Reactive Extensions?

... event just to wrap it with FromEventPattern. That's obviously a terrible idea. – James Moore Sep 8 '14 at 18:17 3 ...
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How do you use version control with Access development?

...nt of tables, and a few forms for data entry & report generation. It's an ideal candidate for Access. 20 Answers ...
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What does “Could not find or load main class” mean?

...ntax is OS-dependent. I'm kind of new to programming on Windows and had no idea. – keyser Jan 31 '15 at 11:22 7 ...
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Why do we use __init__ in Python classes?

...living breathing thing. In the object-orientated world there are principal ideas you can almost call the essence of everything. They are: encapsulation (won't elaborate on this) inheritance polymorphism Objects have one, or more characteristics (= Attributes) and behaviors (= Methods). The behav...