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c++ Programming Glossary: followWhy 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 same... In other words you try to identify a pattern and follow it. This is more or less how branch predictors work. Most applications..
http://stackoverflow.com/questions/146452/what-are-pod-types-in-c are POD types in C I've been following SO for a bit now and I've come across this term POD type..
What do the following phrases mean in C++: zero-, default- and value-initialization? http://stackoverflow.com/questions/1613341/what-do-the-following-phrases-mean-in-c-zero-default-and-value-initializat do the following phrases mean in C zero default and value initialization .. in C zero default and value initialization What do the following phrases mean in C zero initialization default initialization.. subtle. One thing to certainly be aware of is that MSVC follows the C 98 rules even in VS 2008 VC 9 or cl.exe version 15.x..
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 was designed. As a better approach it was decided to follow the name hiding specification meaning that each class starts..
http://stackoverflow.com/questions/1647631/c-state-machine-design the new state for the state machine. Because they all follow the same form and take no parameters there's use made of global..
What is “cache-friendly” code? http://stackoverflow.com/questions/16699247/what-is-cache-friendly-code to understand how this works How do cache lines work The following particular aspects are of high importance to optimize caching.. often the program will require that data soon. HDD caches follow the same line of thought. Specifically for CPU caches the notion.. storing two dimensional arrays. For example consider the following matrix 1 2 3 4 In row major ordering this is stored in memory..
In what cases do I use malloc vs new? http://stackoverflow.com/questions/184537/in-what-cases-do-i-use-malloc-vs-new please let me know any rules of thumb or conventions you follow in this regard. c memory management delete malloc new operator..
Reading from text file until EOF repeats last line http://stackoverflow.com/questions/21647/reading-from-text-file-until-eof-repeats-last-line from text file until EOF repeats last line The following C code uses a ifstream object to read integers from a text.. . c iostream fstream share improve this question Just follow closely the chain of events. Grab 10 Grab 20 Grab 30 Grab EOF..
http://stackoverflow.com/questions/3106110/what-is-move-semantics Since we chose to manage the memory ourselves we need to follow the rule of three . I am going to defer writing the assignment.. of type string which allows you to make copies in the following examples string a x Line 1 string b x y Line 2 string..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points I stop using them If you've read this be sure to visit the follow up question Undefined Behavior and Sequence Points Reloaded.. is a sequence point here in the evaluation of each of the following expressions after the evaluation of the first expression.. intermediate sequence points . From the above sentence the following expressions invoke Undefined Behaviour. i i i is modified..
http://stackoverflow.com/questions/4421706/operator-overloading to be present too so if you define operator be sure to follow the third fundamental rule of operator overloading and also.. for overloading the remaining binary boolean operators follows the rules of the comparison operators. However it is very unlikely.. is the canonical implementation of increment decrement follows the same rules class X X operator do actual increment return..
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 to the same house not two separate houses. Any attempts to follow the address from one paper and rearrange the furniture at that.. it as above. In Delphi terms this will occur with the following method procedure OpenTheFrontDoorOfANewHouse var h THouse.. to other objects in the object. Linked lists When you follow an address on a piece of paper you get to a house and at that..
http://stackoverflow.com/questions/58210/c-smtp-example r n read_socket Recipient OK send_socket DATA body to follow send_socket Subject send_socket sub read_socket Recipient OK..
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 memory be accessed outside its scope I have the following code. int foo int a 5 return a int main int p foo cout p.. is well known and in particular lifetimes of storages follow a nesting pattern. That is the allocation of the longest lived.. lived variables that come after it. Local variables follow the latter pattern when a method is entered its local variables..
How should I write ISO C++ Standard conformant custom new and delete operators? http://stackoverflow.com/questions/7194127/how-should-i-write-iso-c-standard-conformant-custom-new-and-delete-operators immensely illuminating C FAQ Operator overloading and its follow up Why should one replace default new and delete operators Section.. at the new operator documentation citation from standard follows further down it states If set_new_handler has been used to..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python sync 12 500 000 fgets 14 285 714 wc 54 644 808 Also see my follow up question about splitting lines in C vs Python... a similar..
C++ - Unresolved inclusion: <iostream> http://stackoverflow.com/questions/10373788/c-unresolved-inclusion-iostream Properties. You'll get the dialog shown in the image. Follow the image and use the icon to explicitly add the paths to your..
http://stackoverflow.com/questions/10865957/c-printf-with-stdstring quit program cout Come up and C me some time. endl printf Follow this command s myString cin.get return 0 Each time the program.. string supports that through operator overloading std cout Follow this command myString If for some reason you need to extract.. quit program cout Come up and C me some time. endl printf Follow this command s myString.c_str note the use of c_str cin.get..
How to convert std::chrono::time_point to calendar datetime string with fractional seconds? http://stackoverflow.com/questions/12835577/how-to-convert-stdchronotime-point-to-calendar-datetime-string-with-fraction function. This function return duration from epoch. Follow example is milli second resolution's fractional. #include iostream..
Why does C++ need a separate header file? [duplicate] http://stackoverflow.com/questions/1305947/why-does-c-need-a-separate-header-file What advantages does having a separate header file have Follow up question How does the compiler find the .cpp file with the..
Downloading and integrating Qt5 with Visual Studio 2012 http://stackoverflow.com/questions/15826893/downloading-and-integrating-qt5-with-visual-studio-2012 here . Step 2 Gitting and building Qt5 yes that means Git Follow the installation guide for Windows at the qt project website... to rely on the basic ones are Core Widgets and GUI . Following the steps here add the directory QTDIR include . NOTES If..
How to use Boost in Visual Studio 2010 http://stackoverflow.com/questions/2629421/how-to-use-boost-in-visual-studio-2010 files into a directory of your choice e.g. C bzip2 1.0.6 . Follow the second set of instructions above to build boost but add.. files into a directory of your choice e.g. C zlib 1.2.5 . Follow the second set of instructions above to build boost but add.. a MPI distribution such as Microsoft Compute Cluster Pack. Follow steps 1 3 from the second set of instructions above to build..
functions with const arguments Overloading ( Follow up) http://stackoverflow.com/questions/3683881/functions-with-const-arguments-overloading-follow-up with const arguments Overloading Follow up This is a follow up of the Previous Question It got really..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points
How to negate a predicate function using operator ! in C++? http://stackoverflow.com/questions/4583310/how-to-negate-a-predicate-function-using-operator-in-c I implement such a like boost is_digit Any idea Update Follow Charles Bailey's instruction I got this code snippet compiled..
How can I speed up line by line reading of an ASCII file? (C++) http://stackoverflow.com/questions/5164538/how-can-i-speed-up-line-by-line-reading-of-an-ascii-file-c is simply text strings with nix line terminations. EDIT Follow up question for the alternatives being suggested Would any alternative..
casting unused return values to void http://stackoverflow.com/questions/689677/casting-unused-return-values-to-void or am I right in thinking it's a complete waste of time Follow up Well that seems pretty comprehensive. I suppose it's better..
Virtual destructor and undefined behavior http://stackoverflow.com/questions/8599225/virtual-destructor-and-undefined-behavior this question when why should I use a virtual destructor Follow Herb Sutters guideline A base class destructor should be either..
Why does the compiler select the base class constructor inside the template argument list? http://stackoverflow.com/questions/9223441/why-does-the-compiler-select-the-base-class-constructor-inside-the-template-argu base class constructor inside the template argument list Follow up question to this one . Basically in the following code why..
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