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Explain the concept of a stack frame in a nutshell
...ed by the other replies here.
For example, Microsoft Visual Studio 2015 C/C++ compiler has the following option related to stack frames:
/Oy (Frame-Pointer Omission)
GCC have the following:
-fomit-frame-pointer (Don't keep the frame pointer in a register for functions that don't need one. Th...
What is the type of lambda when deduced with “auto” in C++11?
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@Ben, it is unnamed and as far as the C++ language is concerned, there is no such thing as "a name the compiler decides upon". The result of type_info::name() is implementation-defined, so it may return anything. In practice, the compiler will name the type for t...
What is global::?
...d use global::System.String to differentiate.
I believe the :: comes from C++ where it's used as a namespace separator.
In practice I've never used it, other than in generating code. Note that you can also get around some conflicts via using aliases. For example using String = System.String;
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What's the difference between std::move and std::forward
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Not the answer you're looking for? Browse other questions tagged c++ c++11 perfect-forwarding or ask your own question.
What is the fastest substring search algorithm?
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Do you happen to know of a C or C++ implementation available? I'm thinking of using this for some dna motif search (exact motif matches). If not, maybe I'll try developing an implementation myself and submitting to boost algorithm
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Benefits of inline functions in C++?
What is the advantages/disadvantages of using inline functions in C++? I see that it only increases performance for the code that the compiler outputs, but with today's optimized compilers, fast CPUs, huge memory etc. (not like in the 1980< where memory was scarce and everything had to fit in 100KB ...
Difference between private, public, and protected inheritance
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I'd like to add a few words that visibility in C++ is based on class instead of on object, which means that objects of the same class can access each other's private fields without restriction.
– Zhe Chen
Apr 27 '15 at 13:29
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How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
...an without, CPUs are really smart these days. My naive attempts are here.
C++20 [[likely]] and [[unlikely]]
C++20 has standardized those C++ built-ins: How to use C++20's likely/unlikely attribute in if-else statement They will likely (a pun!) do the same thing.
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How to use sed to replace only the first occurrence in a file?
I would like to update a large number of C++ source files with an extra include directive before any existing #includes. For this sort of task, I normally use a small bash script with sed to re-write the file.
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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
....age
haoel.handsome = false
haoel.name=nil复制代码
上面看上去像C/C++中的结构体，但是name,age, handsome, website都是key。你还可以像下面这样写义Table：t = {[20]=100, ['name']="ChenHao", [3.14]="PI"}复制代码
这样就更像Key Value了。于是...