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c++ Programming Glossary: withinMost vexing parse: why doesn't A a(()); work? http://stackoverflow.com/questions/1424510/most-vexing-parse-why-doesnt-a-a-work definition of the language. If you do have an expression within then it is valid. For example 0 compiles To learn more about..
Do-While and if-else statements in C/C++ macros http://stackoverflow.com/questions/154136/do-while-and-if-else-statements-in-c-c-macros the if. It doesn't help to wrap things in curly braces within the macro because the following is also syntactically incorrect... The first is to use a comma to sequence statements within the macro without robbing it of its ability to act like an expression...
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom uses the copy constructor and copy assignment operator within its implementation and we'd ultimately be trying to define the.. Because the idiom repeats no code we cannot introduce bugs within the operator. Note that this means we are rid of the need for..
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 it regardless of the number of times it may occur within a sample. Another objection I often hear is It will stop someplace..
Pass by Reference / Value in C++ http://stackoverflow.com/questions/410593/pass-by-reference-value-in-c function modifies that value the modifications appear also within the scope of the calling function for both passing by value..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three destructor and destroying any automatic objects allocated within the body a destructor for class X calls the destructors for..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points What does it mean It means if an object is written to within a full expression any and all accesses to it within the same.. to within a full expression any and all accesses to it within the same expression must be directly involved in the computation..
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 be accessed. Of course any member of a class is accessible within that class Inside any member function of that same class . Moving.. from it. Private These members are only accessible from within the class. No outside Access is allowed. An Source Code Example..
How can I get a list of files in a directory using C or C++? http://stackoverflow.com/questions/612097/how-can-i-get-a-list-of-files-in-a-directory-using-c-or-c to execute the 'ls' command and parse the results from within my program. c c file directory share improve this question.. dir opendir c src NULL print all the files and directories within directory while ent readdir dir NULL printf s n ent d_name closedir..
Is short-circuiting boolean operators mandated in C/C++? And evaluation order? http://stackoverflow.com/questions/628526/is-short-circuiting-boolean-operators-mandated-in-c-c-and-evaluation-order defined so your code shouldn't depend or assume functions within an expression would be executed in a specific order by the end..
http://stackoverflow.com/questions/6438086/iterator-invalidation-rules invalidate iterators to or change the values of objects within that container. 23.1 11 Note 2 It's not clear in C 2003 whether..
What is a lambda expression in C++11? http://stackoverflow.com/questions/7627098/what-is-a-lambda-expression-in-c11 not used anything other than what was passed to the lambda within it but we can also use other variables within the lambda. If.. the lambda within it but we can also use other variables within the lambda. If you want to access other variables you can use..
Singleton: How should it be used http://stackoverflow.com/questions/86582/singleton-how-should-it-be-used applications Limitation If you use this Singleton A within a destructor of another Singleton B This Singleton A must be..
Why can't variables be declared in a switch statement? http://stackoverflow.com/questions/92396/why-cant-variables-be-declared-in-a-switch-statement specific to that case statement and define your variable within it. switch val case VAL This will work int newVal 42 break case..
C++ static initialization order http://stackoverflow.com/questions/1005685/c-static-initialization-order want to create static instances that depend on each other. Within a single .cpp or .h file this is not a problem the instances..
Order of evaluation of elements in list-initialization http://stackoverflow.com/questions/14060264/order-of-evaluation-of-elements-in-list-initialization mine The relevant text from the C Standard n3485 is Within the initializer list of a braced init list the initializer clauses..
Are multiple mutations within initializer lists undefined behavior? http://stackoverflow.com/questions/14442894/are-multiple-mutations-within-initializer-lists-undefined-behavior value 2 to variable i . Quoting § 8.5.4 of the C Standard Within the initializer list of a braced init list the initializer clauses..
Your thoughts on “Large Scale C++ Software Design” http://stackoverflow.com/questions/1860796/your-thoughts-on-large-scale-c-software-design immediately get a hold of the book I found the Games From Within series on physical structure useful even after reading Large..
Static variables initialisation order http://stackoverflow.com/questions/211237/static-variables-initialisation-order the order is undefined across different compilation units. Within the same compilation unit the order is well defined The same..
How can I propagate exceptions between threads? http://stackoverflow.com/questions/233127/how-can-i-propagate-exceptions-between-threads a single thread calls into we name this the main thread . Within the body of the function we spawn multiple worker threads to..
Do class/struct members always get created in memory in the order they were declared? http://stackoverflow.com/questions/281045/do-class-struct-members-always-get-created-in-memory-in-the-order-they-were-decl improve this question C99 §6.7.2.1 clause 13 states Within a structure object the non bit field members and the units in..
How could one implement C++ virtual functions in C [duplicate] http://stackoverflow.com/questions/3113583/how-could-one-implement-c-virtual-functions-in-c in C The C language provides virtual functions. Within the constraints of a pure C language implementation how can..
Const method that modifies *this without const_cast http://stackoverflow.com/questions/3484233/const-method-that-modifies-this-without-const-cast is irrelevant. We now consider int main foo f f.bar UB Within bar both me and self point to a non const foo so just like with..
C++: How to call a parent class function from derived class function? http://stackoverflow.com/questions/357307/c-how-to-call-a-parent-class-function-from-derived-class-function and a class called child which is derived from parent. Within each class there is a print function. In the definition of the..
How does the standard new operator work in c++? http://stackoverflow.com/questions/377178/how-does-the-standard-new-operator-work-in-c version of this function. Default behavior Executes a loop Within the loop the function first attempts to allocate the requested..
How do I call the original “operator new” if I have overloaded it? http://stackoverflow.com/questions/4134195/how-do-i-call-the-original-operator-new-if-i-have-overloaded-it to properly handle errors Default behavior Executes a loop Within the loop the function first attempts to allocate the requested..
Performance of built-in types : char vs short vs int vs. float vs. double http://stackoverflow.com/questions/5069489/performance-of-built-in-types-char-vs-short-vs-int-vs-float-vs-double operation and user demand for the operation to be fast. Within reason any operation can be made fast if the chip designers..
String literals not allowed as non type template parameters http://stackoverflow.com/questions/5547852/string-literals-not-allowed-as-non-type-template-parameters called translation units informally called source files . Within these translation units you identify different entities objects..
How to build Qt for Visual Studio 2010 http://stackoverflow.com/questions/5601950/how-to-build-qt-for-visual-studio-2010 setting the PATH I strongly recommend using Path Editor . Within Path Editor add the directory of Qt bin to your PATH it doesn't..
Why is C++11's POD “standard layout” definition the way it is? http://stackoverflow.com/questions/7160901/why-is-c11s-pod-standard-layout-definition-the-way-it-is wrong if more than one constituent class had data members Within a class members are allocated in increasing addresses according..
Integrating Clang Within NetBeans? http://stackoverflow.com/questions/8241862/integrating-clang-within-netbeans Clang Within NetBeans What are the steps involved in integrating Clang within..
How to delete an element from a vector while looping over it? http://stackoverflow.com/questions/8597240/how-to-delete-an-element-from-a-vector-while-looping-over-it a vector with a loop such as for int i 0 i vec.size i . Within this loop I check a condition on the element at that vector..
Easiest way of using min priority queue with key update in C++ http://stackoverflow.com/questions/9209323/easiest-way-of-using-min-priority-queue-with-key-update-in-c of pair value ID and an array that maps ID heap_index . Within the heap routines heapify_up heapify_down etc it's necessary..
What are the semantics of a const member function? http://stackoverflow.com/questions/98705/what-are-the-semantics-of-a-const-member-function and should be callable on an object that is itself const . Within a const member function on a class X the type of this is X const..
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