c++ Programming Glossary: exampleWhat is this weird colon-member syntax in the constructor? http://stackoverflow.com/questions/1711990/what-is-this-weird-colon-member-syntax-in-the-constructor member syntax in the constructor Recently I've seen an example like the following #include iostream class Foo public int bar..
http://stackoverflow.com/questions/236129/how-to-split-a-string-in-c relying only on standard library facilities. It's an example of the power and elegance behind the design of the STL. #include..
What is the slicing problem in C++? http://stackoverflow.com/questions/274626/what-is-the-slicing-problem-in-c part of the information some of it is sliced away. For example class A int foo class B public A int bar So an object of type..
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 0.385 1 P o 2 2 0.385 The last column says that for example the probability that f 0.5 is 92 up from the prior assumption..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three copying an object actually means. Let us consider a simple example class person std string name int age public person const std..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points the expression its evaluation has some side effect s . For example int x y where y is also an int In addition to the initialization.. that are not lexically part of the full expression. For example subexpressions involved in evaluating default argument expressions.. in which side effects take place is unspecified . For example int x 5 y 6 int z x y it is unspecified whether x or y will..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c pointer decay can x and x 0 be used interchangeably. For example T p array 0 rewritten as array 0 decay happens due to the addition.. .... x . int 8 .... ^ ^ x 0 x 8 int For example if you want to sort an array both of the following would work..
Why can templates only be implemented in the header file? http://stackoverflow.com/questions/495021/why-can-templates-only-be-implemented-in-the-header-file creates a new class with the given template argument. For example template typename T struct Foo T bar void doSomething T param.. then implement the class in an implementation file for example .tpp and include this implementation file at the end of the..
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 types or non types. The following should suffice as an example t f How should this be parsed Usually for simple languages for.. by their value and or their type. So we have with typical examples appended Dependent types e.g a type template parameter T Value.. the rules are intuitive and are built up recursively For example a type constructed as T N is a dependent type if N is a value..
Can a local variable's memory be accessed outside its scope? http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope your power by having much stricter control over keys for example. UPDATE Holy goodness this answer is getting a lot of attention...
Dynamically allocating an array of objects http://stackoverflow.com/questions/255612/dynamically-allocating-an-array-of-objects object shoudl have appropriate methods for this. Example Assignment operator should work . std vector has clear which..
What is the point of function pointers? http://stackoverflow.com/questions/2592137/what-is-the-point-of-function-pointers operator so you can call them as if they were a function. Example class functor public void operator int i std cout the answer..
Regular cast vs. static_cast vs. dynamic_cast http://stackoverflow.com/questions/28002/regular-cast-vs-static-cast-vs-dynamic-cast of a specific type and thus a check would be unnecessary. Example void func void data conversion from MyClass void is implicit..
What are rvalues, lvalues, xvalues, glvalues, and prvalues? http://stackoverflow.com/questions/3601602/what-are-rvalues-lvalues-xvalues-glvalues-and-prvalues assignment expression designates a function or an object. Example If E is an expression of pointer type then E is an lvalue expression.. certain kinds of expressions involving rvalue references. Example The result of calling a function whose return type is an rvalue.. A prvalue 𦑩ure rvalue is an rvalue that is not an xvalue. Example The result of calling a function whose return type is not a..
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 is the cost then I will appear on nf sqrt nf 1 f samples. Example n 10 f 0.3 that is 3 1.4 samples. share improve this answer..
Pass by Reference / Value in C++ http://stackoverflow.com/questions/410593/pass-by-reference-value-in-c means that the object can't be changed in the callee. Example struct Object int i void sample Object o 1 o i void sample Object..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points that is not a subexpression of another expression. 1 Example int a 5 is a sequence point here in the evaluation of each of.. which the accesses demonstrably precede the modification. Example 1 std printf d d i i invokes Undefined Behaviour because of.. 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 one of the..
In which scenario do I use a particular STL Container? http://stackoverflow.com/questions/471432/in-which-scenario-do-i-use-a-particular-stl-container of them is used. Could a kind person explain this to me Example code is much prefered. c stl containers share improve this..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers std back_inserter v 10 fibonacci std cout v std endl Example of using pretty_ostream_iterator directly std generate_n pretty_ostream_iterator..
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 the class. No outside Access is allowed. An Source Code Example class MyClass public int a protected int b private int c int.. before are further then applied to these members. Code Example Class Base public int a protected int b private int c class.. Class become Private Members of the Derived Class. An code Example Class Base public int a protected int b private int c class..
Are std::vector elements guaranteed to be contiguous? http://stackoverflow.com/questions/849168/are-stdvector-elements-guaranteed-to-be-contiguous elements were not contiguous. Can somebody clarify this Example std vector int values ... fill up values if values.empty int..
Example for boost shared_mutex (multiple reads/one write)? http://stackoverflow.com/questions/989795/example-for-boost-shared-mutex-multiple-reads-one-write for boost shared_mutex multiple reads one write I have a multithreaded..
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