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c++ Programming Glossary: avoidWhy 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 when the data is sorted. A general rule of thumb is to avoid data dependent branching in critical loops. such as in this..
What does the explicit keyword in C++ mean? http://stackoverflow.com/questions/121162/what-does-the-explicit-keyword-in-c-mean DoBar Foo 42 The reason you might want to do this is to avoid accidental construction that can hide bugs. Contrived example..
What is the equivalent of the C++ Pair<L,R> in Java? http://stackoverflow.com/questions/156275/what-is-the-equivalent-of-the-c-pairl-r-in-java would be the equivalent of this C construct I would rather avoid reimplementing my own. It seems that 1.6 is providing something..
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 name hiding i.e. why it actually was designed into C is to avoid certain counterintuitive unforeseen and potentially dangerous..
http://stackoverflow.com/questions/1647631/c-state-machine-design sort of structure. As ldog states in a comment you can avoid the globals altogether by passing a structure pointer to all..
How do you reverse a string in place in C or C++? http://stackoverflow.com/questions/198199/how-do-you-reverse-a-string-in-place-in-c-or-c 0 This is XOR swap thing. Take care to note that you must avoid swapping with self because a^a 0. Ok fine let's fix the UTF..
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 future versions of the C or POSIX standards so you should avoid these names. Names beginning with a capital 'E' followed a digit..
Undefined, unspecified and implementation-defined behavior http://stackoverflow.com/questions/2397984/undefined-unspecified-and-implementation-defined-behavior the issuance of a diagnostic message . What can you do to avoid running into undefined behavior Basically you have to read good..
Dynamically allocating an array of objects http://stackoverflow.com/questions/255612/dynamically-allocating-an-array-of-objects a few fixes that seem like overkill which I'm hoping to avoid Creating a copy constructor for A . Using vector int and vector..
Read whole ASCII file into C++ std::string http://stackoverflow.com/questions/2602013/read-whole-ascii-file-into-c-stdstring thing but using a std string instead of a char . I want to avoid loops I. E. I don't want to std ifstream t t.open file.txt std..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom difficult. How should it be done What pitfalls need to be avoided The copy and swap idiom is the solution and elegantly assists.. assists the assignment operator in achieving two things avoiding code duplication and providing a strong exception guarantee.. we attempt to delete memory that's already been deleted We avoid this by setting it to null as deleting null is a no operation...
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 syntax is equivalent to T something and should be avoided more on that later . A T something something_else is safe..
Can we increase the re-usability of this key-oriented access-protection pattern? http://stackoverflow.com/questions/3324898/can-we-increase-the-re-usability-of-this-key-oriented-access-protection-pattern SomeKey only friends of SomeKey have access To avoid continued misunderstandings this pattern is different from the..
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c the copy. This can be expensive and we might want to avoid the cost of copying it. Therefore we might come up with idea..
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 clarify a misconception The C standard is very careful to avoid dictating how a compiler must implement references but every..
Can you remove elements from a std::list while iterating through it? http://stackoverflow.com/questions/596162/can-you-remove-elements-from-a-stdlist-while-iterating-through-it inactive items immediately after update them inorder to avoid walking the list again. But if I add the commented out lines..
How to determine CPU and memory consumption from inside a process? http://stackoverflow.com/questions/63166/how-to-determine-cpu-and-memory-consumption-from-inside-a-process memInfo.totalram Add other values in next statement to avoid int overflow on right hand side... totalVirtualMem memInfo.totalswap.. memInfo.freeram Add other values in next statement to avoid int overflow on right hand side... virtualMemUsed memInfo.totalswap.. memInfo.totalram Multiply in next statement to avoid int overflow on right hand side... totalPhysMem memInfo.mem_unit..
Is excessive use of this in C++ a code smell http://stackoverflow.com/questions/1057425/is-excessive-use-of-this-in-c-a-code-smell version is a bit cleaner but while you're at it I would Avoid leading underscore _x is ok until somebody chooses _MyField..
C++ Tips for code optimization on ARM devices http://stackoverflow.com/questions/10800372/c-tips-for-code-optimization-on-arm-devices of cicles of the program. Any suggestion is welcomed. 1 Avoid high cost instructions division square root sin cos Use logical..
How do I remove code duplication between similar const and non-const member functions? http://stackoverflow.com/questions/123758/how-do-i-remove-code-duplication-between-similar-const-and-non-const-member-func For a detailed explanation please see the heading Avoid Duplication in const and Non const Member Function on p. 23..
Memory management patterns in C++ http://stackoverflow.com/questions/14539624/memory-management-patterns-in-c where the word safe encapsulates these two requirements Avoid dangling references so that you won't try to access an object.. won't try to access an object that doesn't exist anymore Avoid objects which outlive all of the references to them so that..
Why to avoid std::enable_if in function signatures http://stackoverflow.com/questions/14600201/why-to-avoid-stdenable-if-in-function-signatures book EC 11. He wrote that one item in the book could be Avoid std enable_if in function signatures . std enable_if can be.. be prefered and why should I avoid others In which cases Avoid std enable_if in function signatures concerns usage as return..
What is “cache-friendly” code? http://stackoverflow.com/questions/16699247/what-is-cache-friendly-code In practice the performance difference can be much larger. Avoid unpredictable branches Modern architectures feature pipelines.. is processing a sorted array faster than an unsorted array Avoid virtual functions In the context of c virtual methods represent..
Const correctness for value parameters http://stackoverflow.com/questions/1724051/const-correctness-for-value-parameters include this const in front of a value parameter or not. Avoid const pass by value parameters in function declarations. Still..
C++ Error Handling — Good Sources of Example Code? http://stackoverflow.com/questions/231128/c-error-handling-good-sources-of-example-code reference Report handle and translate errors appropriately Avoid exception specifications Every topic also includes an example..
What C++ pitfalls should I avoid? [closed] http://stackoverflow.com/questions/30373/what-c-pitfalls-should-i-avoid stl share improve this question A short list might be Avoid memory leaks through use shared pointers to manage memory allocation.. resource cleanup especially in the presence of exceptions Avoid calling virtual functions in constructors Employ minimalist..
http://stackoverflow.com/questions/3960954/c-multicharacter-literal an int which must be at least 16 bits but can be longer . Avoid implementation defined behavior whenever possible. See also.. An example is dereferencing a pointer with the value zero. Avoid undefined behavior. See also implementation defined. TC PL C.2...
Multithreaded job queue manager http://stackoverflow.com/questions/565137/multithreaded-job-queue-manager free singly linked list Visual Studio comes with one . Avoid using a mutex contention for the queue is surprisingly high..
http://stackoverflow.com/questions/5829881/avoid-waiting-on-swapbuffers waiting on SwapBuffers I have discovered that SwapBuffers in..
C++: When to use References vs. Pointers http://stackoverflow.com/questions/7058339/c-when-to-use-references-vs-pointers Use reference wherever you can pointers wherever you must. Avoid pointers until you can't. The reason is that pointers make things..
Should I prefer pointers or references in member data? http://stackoverflow.com/questions/892133/should-i-prefer-pointers-or-references-in-member-data c reference class members share improve this question Avoid reference members because they restrict what the implementation..
http://stackoverflow.com/questions/9032475/const-and-global header files that are included in many compilation units. Avoid the confusion by following a simple rule By default Linkage..
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