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c++ Programming Glossary: considerWhat is a “translation unit” in C++ http://stackoverflow.com/questions/1106149/what-is-a-translation-unit-in-c me an explanation of 1 What exactly it is 2 When should I consider using it when programming with C 3 If it is related only to..
Good C++ GUI library for Windows http://stackoverflow.com/questions/115045/good-c-gui-library-for-windows must. If sources are available after purchase then it's considered ok. Have a form designer in some way . Yeah it would be great... commercial use . But if some library is REALLY good I will consider buying it. Cross platform . Just a wish I can live without that...
Why is “using namespace std;” considered bad practice? http://stackoverflow.com/questions/1452721/why-is-using-namespace-std-considered-bad-practice is &ldquo using namespace std &rdquo considered bad practice I've been told by others on numerous occasions.. to why this is a bad practice. Why is using namespace std considered bad Is it really that inefficient or risk declaring ambiguous.. question This is not related to performance at all. But consider this You are using two libraries called Foo and Bar using namespace..
Variable number of arguments in C++? http://stackoverflow.com/questions/1657883/variable-number-of-arguments-in-c with what you're conceptually trying to achieve. Instead consider using overloading or inheritance polymorphism builder pattern..
Is it okay to inherit implementation from STL containers, rather than delegate? http://stackoverflow.com/questions/2034916/is-it-okay-to-inherit-implementation-from-stl-containers-rather-than-delegate instance. Instead of either inheritance or composition consider writing free functions which take either an iterator pair or..
When does invoking a member function on a null instance result in undefined behavior? http://stackoverflow.com/questions/2474018/when-does-invoking-a-member-function-on-a-null-instance-result-in-undefined-beha null pointer get undefined behavior view. Now we consider the question. Yes a results in undefined behavior. In fact if..
Dynamically allocating an array of objects http://stackoverflow.com/questions/255612/dynamically-allocating-an-array-of-objects . But this is a perfect example of the things you need to consider when your object contains RAW pointers. If your object has a.. that it is non trivial to get it correct you should consider using std vector rather than a pointer to an array of integers...
How to implement big int in C++ http://stackoverflow.com/questions/269268/how-to-implement-big-int-in-c largenumber share improve this question Things to consider for a big int class Mathematical operators Don't forget that..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom swap would entail. An in depth explanation The goal Let's consider a concrete case. We want to manage in an otherwise useless class..
Windows threading: _beginthread vs _beginthreadex vs CreateThread C++ http://stackoverflow.com/questions/331536/windows-threading-beginthread-vs-beginthreadex-vs-createthread-c calling GetLastError ... but what are some things I should consider when I'm using these functions I'm working with a windows application..
When should static_cast, dynamic_cast and reinterpret_cast be used? http://stackoverflow.com/questions/332030/when-should-static-cast-dynamic-cast-and-reinterpret-cast-be-used will succeed or reinterpret_cast will fail. Even then consider the longer more explicit option. C style casts also ignore access..
http://stackoverflow.com/questions/402283/stdwstring-vs-stdstring ready. Note that std string like the C string API will consider the olé string to have 4 characters not three. So you should..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three understand what copying an object actually means. Let us consider a simple example class person std string name int age public..
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 I think that if you are advanced enough in C to even consider using unions their use may be very dangerous and must be thought..
Undefined Behavior and Sequence Points Reloaded http://stackoverflow.com/questions/4638364/undefined-behavior-and-sequence-points-reloaded the previous topic. but here type of `i` is Index. Must consider this too in your response if you know it's behavior for sure..
What are the barriers to understanding pointers and what can be done to overcome them? http://stackoverflow.com/questions/5727/what-are-the-barriers-to-understanding-pointers-and-what-can-be-done-to-overcome same memory block. I've found that the best analogy is to consider the pointer as a piece of paper with a house address on it and.. later on comes home he'll find all sorts of things he'll consider his own. This is the reason I chose a fixed size array. To set..
WChars, Encodings, Standards and Portability http://stackoverflow.com/questions/6300804/wchars-encodings-standards-and-portability think you know is possibly wrong. For example you have to consider that the filenames you use to open files can be different from..
Difference between private, public, and protected inheritance in C++ http://stackoverflow.com/questions/860339/difference-between-private-public-and-protected-inheritance-in-c with public private and protected inheritance. Let's consider a class Base and a class Child that inherits from Base. If the..
Why 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 of branch prediction fail. What is Branch Prediction Consider a railroad junction Image by Mecanismo from Wikimedia Commons.. spend a lot of time stopping backing up and restarting. Consider an if statement At the processor level it is a branch instruction..
Officially, what is typename for? http://stackoverflow.com/questions/1600936/officially-what-is-typename-for to specify that the identifier that follows is a type. Consider the following example template class T Class MyClass typename..
Why does an overridden function in the derived class hide other overloads of the base class? http://stackoverflow.com/questions/1628768/why-does-an-overridden-function-in-the-derived-class-hide-other-overloads-of-the the derived class hide other overloads of the base class Consider the code #include stdio.h class Base public virtual void gogo..
In C++, what is a virtual base class? http://stackoverflow.com/questions/21558/in-c-what-is-a-virtual-base-class an inheritance hierarchy when using multiple inheritance. Consider the following scenario class A public void Foo class B public..
When does invoking a member function on a null instance result in undefined behavior? http://stackoverflow.com/questions/2474018/when-does-invoking-a-member-function-on-a-null-instance-result-in-undefined-beha function on a null instance result in undefined behavior Consider the following code #include iostream struct foo void bar std..
http://stackoverflow.com/questions/3582001/advantages-of-using-forward got The solution is this static_cast T x What does this do Consider we're inside the deduce function and we've been passed an lvalue...
Undefined Behavior and Sequence Points Reloaded http://stackoverflow.com/questions/4638364/undefined-behavior-and-sequence-points-reloaded Behavior and Sequence Points Reloaded Consider this topic a sequel of the following topic Previous Installment.. I correct even partly By the way how about this expression Consider two cases 1. if a is an array of built in type 2. if a is user..
undefined reference to `WinMain@16' http://stackoverflow.com/questions/5259714/undefined-reference-to-winmain16 c eclipse eclipse cdt share improve this question Consider the following Windows API level program #define NOMINMAX #include..
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 class can only access members of its own Base class Consider the following code example class Myclass protected int x class..
Why is iostream::eof inside a loop condition considered wrong? http://stackoverflow.com/questions/5605125/why-is-iostreameof-inside-a-loop-condition-considered-wrong indicate that the next read will be the end of the stream. Consider this and assume then next read will be at the end of the stream..
http://stackoverflow.com/questions/5854581/polymorphism-in-c to start from a simple test for and definition of it. Consider Type1 x Type2 y f x f y Here f is to perform some operation.. polymorphism compile time options are often preferable. Consider the compile what's called aspect of templated classes is preferable.. of compiler provided overloads conversions and coercion Consider void f typedef int Amount Amount x 13 x 2 std cout x 1.1 If..
Why should `new` be used as little as possible? http://stackoverflow.com/questions/6500313/why-should-new-be-used-as-little-as-possible is that std string properly defines a copy constructor. Consider the following program int main Line l1 Line l2 l1 Using the..
How do I expand a tuple into variadic template function's arguments? http://stackoverflow.com/questions/687490/how-do-i-expand-a-tuple-into-variadic-template-functions-arguments a tuple into variadic template function's arguments Consider the case of a templated function with variadic template arguments..
Why do all these crazy function pointer definitions all work? What is really going on? http://stackoverflow.com/questions/6893285/why-do-all-these-crazy-function-pointer-definitions-all-work-what-is-really-goi pointer to an object. These rules can be combined. Consider your second to last example foo First foo is implicitly converted..
What is “rvalue reference for *this”? http://stackoverflow.com/questions/8610571/what-is-rvalue-reference-for-this and non member functions Operator overloading that's why. Consider this struct foo foo operator void implementation unimportant..
Why should I prefer to use member initialization list? http://stackoverflow.com/questions/926752/why-should-i-prefer-to-use-member-initialization-list it avoids an unnecessary call to a default constructor. Consider class A public A x 0 A int x_ x x_ int x class B public B a.x..
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