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Is pass-by-value a reasonable default in C++11?

In traditional C++, passing by value into functions and methods is slow for large objects, and is generally frowned upon. Instead, C++ programmers tend to pass references around, which is faster, but which introduces all sorts of complicated questions around ownership and especially around memory ma...
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strdup() - what does it do in C?

...hat it sounds like, assuming you're used to the abbreviated way in which C and UNIX assigns words, it duplicates strings :-) Keeping in mind it's actually not part of the ISO C standard itself(a) (it's a POSIX thing), it's effectively doing the same as the following code: char *strdup(const char *...
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How do I copy an object in Java?

... to copy the object, but don't use it. It's way too easy to create a class and do improper clone method. If you are going to do that, read at least what Joshua Bloch has to say about it in Effective Java. share | ...
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How to import and use different packages of the same name in Go language?

For example, I want to use both text/template and html/template in one source file. But the code below throw errors. 2 Ans...
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Emacs in Windows

...such as Nxml it has a Windows installer or you can build it from sources And concerning XEmacs, according to this post by Steve Yegge: To summarize, I've argued that XEmacs has a much lower market share, poorer performance, more bugs, much lower stability, and at this point probably fewer feat...
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How exactly does the “Specific Version” property of an assembly reference work in Visual Studio?

...is that "Specific Version" is a property that takes effect at compile-time and not at runtime. What is it all about? When a project is built, the project's assembly references need to be resolved in order to find the physical assemblies that the build system should use. If the "Specific Version" c...
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Why does comparing strings using either '==' or 'is' sometimes produce a different result?

... @AlexanderSupertramp, because of string interning. – Chris Rico Feb 1 '15 at 9:34 ...
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Moving Git repository content to another repository preserving history

...( repo1 ) to another existing repository ( repo2 ) using the following commands: 9 Answers ...
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Can I use CoffeeScript instead of JS for node.js?

What are my restrictions if I want to code node.js and use CoffeeScript? Can I do anything I'd be able to do in JS? 8 Answe...
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Unix shell script find out which directory the script file resides?

...ed to use readlink as well (see al's answer below) – AndrewR Mar 17 '10 at 23:26 45 In bash it is...