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c++ Programming Glossary: metWhat constitutes a valid state for a “moved from” object in C++11? http://stackoverflow.com/questions/12095048/what-constitutes-a-valid-state-for-a-moved-from-object-in-c11 that adds a usually spurious check and if I have a lot of methods it would mean remembering to do the check in every one... string to determine that the preconditions of pop_back are met. std string s foo std string t std move s if s.empty empty has.. s.pop_back after verifying that the preconditions are met pop_back is safe to call on moved from objects The state is..
How is heap and stack memories managed, implemented, allocated? http://stackoverflow.com/questions/1212797/how-is-heap-and-stack-memories-managed-implemented-allocated gnu c runtime library does if certain constraints are met . A more detailed description is available in http gee.cs.oswego.edu..
http://stackoverflow.com/questions/12135518/is-faster-than changes on loop complex code. I suppose this has to do something with generated machine code in case it's even true. c performance.. Compiled with gcc m32 S masm intel test.c if a b Do something 1 Compiles to mov eax DWORD PTR esp 24 a cmp eax DWORD PTR.. a cmp eax DWORD PTR esp 28 b jge .L2 jump if a is b Do something 1 .L2 And if a b Do something 2 Compiles to mov eax DWORD..
Load an X509 PEM file into Windows CryptoApi http://stackoverflow.com/questions/1231178/load-an-x509-pem-file-into-windows-cryptoapi CryptDecodeObjectEx gave me an error ASN.1 bad tag value met . After many attempts at understanding Microsoft documentation..
When should std::move be used on a function return value? http://stackoverflow.com/questions/14856344/when-should-stdmove-be-used-on-a-function-return-value what in cases like these struct Foo Foo meh Foo foo do something but knowing that foo can safely be disposed of but does.. 32 When the criteria for elision of a copy operation are met or would be met save for the fact that the source object is.. for elision of a copy operation are met or would be met save for the fact that the source object is a function parameter..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol there or even weirder syntax errors every time I write something like the following a.h #ifndef A_H #define A_H #include.. project contains two files that include the same header sometimes the linker complains about some symbol being defined multiple.. change just read through them to get convinced . However something different happens at the end of step 4 after replacing the..
Why is `i = ++i + 1` unspecified behavior? http://stackoverflow.com/questions/1860461/why-is-i-i-1-unspecified-behavior to be stored. The requirements of this paragraph shall be met for each allowable ordering of the subexpressions of a full..
http://stackoverflow.com/questions/1966319/about-const-member-function const member function I met two explanation of const member function class A public .....
Returning unique_ptr from functions http://stackoverflow.com/questions/4316727/returning-unique-ptr-from-functions Yes see 12.8 §34 and §35 When certain criteria are met an implementation is allowed to omit the copy move construction.. ... When the criteria for elision of a copy operation are met and the object to be copied is designated by an lvalue overload..
http://stackoverflow.com/questions/4340396/does-the-c-standard-mandate-poor-performance-for-iostreams-or-am-i-just-deali slow performance of C standard library iostreams I get met with a wave of disbelief. Yet I have profiler results showing.. allows I set the number of iterations to 1000 for all methods. This means that ostringstream and vector reallocation which..
Beyond Stack Sampling: C++ Profilers http://stackoverflow.com/questions/4394606/beyond-stack-sampling-c-profilers profiler listed in each topic. There simply has to be something better than these junky and expensive options or ludicrous.. Thankfully I work with some of the best hackers I've ever met and I have access to an amazing 'verse full of great tools and.. there's no obvious way to get line level hit counts something that AQT and a number of other profilers provide and I've..
http://stackoverflow.com/questions/574801/call-c-library-in-c-sharp wrote with C when I want to call these libraries in C# i met many problems. I want to know if there is a book or guideline..
How to solve Memory Fragmentation http://stackoverflow.com/questions/60871/how-to-solve-memory-fragmentation in the heap. In any case if the above conditions are not met then you do have a leak situation of some sort. So once you..
Is returning with `std::move` sensible in the case of multiple return statements? http://stackoverflow.com/questions/9532608/is-returning-with-stdmove-sensible-in-the-case-of-multiple-return-statements a function with multiple different returns particularly something like class bar bigObject fixed_ret bool use_fixed_ret void.. p32 When the criteria for elision of a copy operation are met or would be met save for the fact that the source object is.. for elision of a copy operation are met or would be met save for the fact that the source object is a function parameter..
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