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c++ Programming Glossary: ruleWhy is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array than with the branch when the data is sorted. A general rule of thumb is to avoid data dependent branching in critical loops...
http://stackoverflow.com/questions/1265039/using-std-namespace outer count as it might be expected. The using namespace rule means that std count looks in the increment function as though..
Sizeof array passed as parameter http://stackoverflow.com/questions/1328223/sizeof-array-passed-as-parameter type of a function is determined using the following rules. The type of each parameter is determined from its own decl.. To explain the syntax Check for right left rule in google I found one description of it here . It would be applied..
How to pass objects to functions in C++? http://stackoverflow.com/questions/2139224/how-to-pass-objects-to-functions-in-c case you need to pass by reference . Use the previous rules to determine whether to pass by const reference or not. Passing.. users can pass NULL 0 nullptr instead apply the previous rule to determine whether you should pass by a pointer to a const.. an alternative would be to pass according to the previous rules and make a copy inside of the function here pass by value is..
What are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier are the rules about using an underscore in a C identifier It's common in.. c standards c faq share improve this question The rules which did not change in C 11 Reserved in any scope including.. start identifiers with underscores. New addition to my rule Don't use double underscores anywhere which is easy as I rarely..
http://stackoverflow.com/questions/3106110/what-is-move-semantics chose to manage the memory ourselves we need to follow the rule of three . I am going to defer writing the assignment operator..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three being copied c copy constructor assignment operator c faq rule of three share improve this question Introduction C treats.. that delete person operator const person that delete The rule of three Sometimes you need to implement a class that manages.. this will only lead to pain. In that case remember the rule of three If you need to explicitly declare either the destructor..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points of the value to be written. So it is fine. This rule effectively constrains legal expressions to those in which the..
What are Aggregates and PODs and how/why are they special? http://stackoverflow.com/questions/4178175/what-are-aggregates-and-pods-and-how-why-are-they-special and member functions as you like and not violate the rules for aggregate classes An aggregate class can have a user declared.. and must be thought of carefully you could look up the rules for unions in the standard yourself . Now that we know what's.. Note that Microsoft's compiler is too liberal with this rule ”it just issues a warning in both cases. int f struct NonPOD..
What is the proper declaration of main? http://stackoverflow.com/questions/4207134/what-is-the-proper-declaration-of-main what are their meanings Is this system specific Have those rules changed over time What happens if I violate them c main c.. of main must be int . No other return type is allowed this rule is in bold because it is very common to see incorrect programs.. type of void this is probably the most frequently violated rule concerning the main function . There are two declarations of..
http://stackoverflow.com/questions/4421706/operator-overloading overloading What are the basic rules and idioms for operator overloading in C Note The answers were.. they alter the stream ™s state they should according to the rules of thumb be implemented as members of their left operand ™s.. binary infix comparison operators should according to the rules of thumb be implemented as non member functions 1 . The unary..
What are access specifiers? Should I inherit with private, protected or public? http://stackoverflow.com/questions/5447498/what-are-access-specifiers-should-i-inherit-with-private-protected-or-public Protected inheritance Here are the member access rules with respect to each of these First and most important rule.. with respect to each of these First and most important rule Private members of a class are never accessible from anywhere.. i.e. No change in the Access of the members. The access rules we discussed before are further then applied to these members...
What are the differences between pointer variable and reference variable in C++? http://stackoverflow.com/questions/57483/what-are-the-differences-between-pointer-variable-and-reference-variable-in-c and reference occupies same amount of memory As a general rule Use references in function parameters and return types to define..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords on template parameters. The Standard defines precisely the rules by whether a construct is dependent or not. It separates them.. e.g a cast to a type template parameter T 0 Most of the rules are intuitive and are built up recursively For example a type.. template but unfortunately are not caught by this general rule. Dependent function names Not primarily a concern of this article..
What is a “translation unit” in C++ http://stackoverflow.com/questions/1106149/what-is-a-translation-unit-in-c
What is the Fastest Method for High Performance Sequential File I/O in C++? http://stackoverflow.com/questions/1201261/what-is-the-fastest-method-for-high-performance-sequential-file-i-o-in-c achieving the fastest possible sequential file I O in C Rule 0 Measure. Use all available profiling tools and get to know..
What am I allowed to do with a static, constexpr, in-class initialized data member? http://stackoverflow.com/questions/14547986/what-am-i-allowed-to-do-with-a-static-constexpr-in-class-initialized-data-memb answer states that This violates the One Definition Rule No diagnostics is required. As much as I rely the source and..
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 more than once and since this violates the One Definition Rule . Per Paragraph 3.2 3 of the C 11 Standard Every program shall..
How do I start a new CUDA project in Visual Studio 2008? http://stackoverflow.com/questions/2046228/how-do-i-start-a-new-cuda-project-in-visual-studio-2008 right click on the project Custom Build Rules tick the relevant box see note 1 Add the CUDA runtime library.. Add the Cuda.rules right click on the project Custom Build Rules browse for the rules file and ensure it is ticked Add the CUDA.. in which case you will need to mirror this in CUDA Build Rule Hybrid CUDA C Options see note 4 Enable syntax highlighting..
Why does this program crash: passing of std::string between DLLs http://stackoverflow.com/questions/2322095/why-does-this-program-crash-passing-of-stdstring-between-dlls undefined behaviour by violating the One Definition Rule. The release and debug builds will have different preprocessor..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom all the requirements except one a swap function. While The Rule of Three successfully entails the existence of our copy constructor.. one very important change to how we manage resources the Rule of Three is now The Rule of Four and a half . Why Because not.. to how we manage resources the Rule of Three is now The Rule of Four and a half . Why Because not only do we need to be able..
What can I use to profile C++ code in Linux? http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux worth fixing. Yet another way to look at it is called the Rule Of Succession . If you flip a coin 2 times and it comes up heads..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three is The Rule of Three What does copying an object mean What are the copy..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points std printf d d i i invokes Undefined Behaviour because of Rule no 2 Example 2 a i i or a i i or a i i etc is disallowed because..
What exactly is One Definition Rule in C++? http://stackoverflow.com/questions/4192170/what-exactly-is-one-definition-rule-in-c exactly is One Definition Rule in C What exactly does One Definition Rule in C say The only.. One Definition Rule in C What exactly does One Definition Rule in C say The only trustworthy occurence I can find is in The..
C++ static member variable and its initialization http://stackoverflow.com/questions/4547660/c-static-member-variable-and-its-initialization unit in order to not violate the One Definition Rule . If the language were to allow something like struct Gizmo..
How to teach a crash course on C++? [closed] http://stackoverflow.com/questions/48496/how-to-teach-a-crash-course-on-c concept of different compilation units the One Definition Rule because if you don't know it you won't be able to decypher error..
What does it mean to have an undefined reference to a static member? http://stackoverflow.com/questions/7092765/what-does-it-mean-to-have-an-undefined-reference-to-a-static-member because that would be likely to break the One Definition Rule . As a special case if the static member variable is an const.. there is a specific exception to the One Definition Rule for static data members of class templates. Other uses of static..
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