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c++ Programming Glossary: nothingSystem(“pause”); - Why is it wrong? http://stackoverflow.com/questions/1107705/systempause-why-is-it-wrong upon because it's a platform specific hack that has nothing to do with actually learning programming but instead to get..
What is the difference between NULL, '\0' and 0 http://stackoverflow.com/questions/1296843/what-is-the-difference-between-null-0-and-0 that is a character with all bits set to zero. This has nothing to do with pointers. However you may see something similar to..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol output of this processing is the empty string supposing nothing follows the #endif directive of course . The preprocessor will..
http://stackoverflow.com/questions/1613230/uses-of-c-comma-operator is actually where operator comes into play. Operator in nothing else than a separator of sequential expressions in C i.e. operator..
Variable number of arguments in C++? http://stackoverflow.com/questions/1657883/variable-number-of-arguments-in-c it's unsafe and it's full of technical details that have nothing to do with what you're conceptually trying to achieve. Instead..
Convert std::string to const char* or char* http://stackoverflow.com/questions/347949/convert-stdstring-to-const-char-or-char call and the delete call throws you will leak memory as nothing will call delete for you automatically. There are two immediate..
http://stackoverflow.com/questions/3582001/advantages-of-using-forward static cast is A or just A . Since x is already an A we do nothing and are left with an lvalue reference. When we've been passed..
Pass by Reference / Value in C++ http://stackoverflow.com/questions/410593/pass-by-reference-value-in-c i void sample Object o 1 o i void sample Object const o 2 nothing useful here void sample Object o 3 o.i void sample1 Object o..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points because one of the accesses of i the one in a i has nothing to do with the value which ends up being stored in i which happens..
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 aggregate. A class can also be an aggregate if&hellip wait nothing is said about structs or unions can't they be aggregates Yes.. initialization with braces implies that the class is nothing more than the sum of its members. If a user defined constructor..
Thou shalt not inherit from std::vector http://stackoverflow.com/questions/4353203/thou-shalt-not-inherit-from-stdvector vector share improve this question Actually there is nothing wrong with public inheritance of std vector . If you need this..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c different size are incompatible types that have absolutely nothing to do with each other. sizeof T n is equivalent to n sizeof..
When to use forward declaration? http://stackoverflow.com/questions/553682/when-to-use-forward-declaration all the compiler knows is that this type exists it knows nothing about its size members or methods. This is why it's called an..
C++: What is the size of an object of an empty class? http://stackoverflow.com/questions/621616/c-what-is-the-size-of-an-object-of-an-empty-class
WChars, Encodings, Standards and Portability http://stackoverflow.com/questions/6300804/wchars-encodings-standards-and-portability wchar_t setlocale mbsrtowcs wcsrtombs The C standard says nothing about encodings in fact it is entirely agnostic to any text..
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 typedef for a pointer to a function that takes and returns nothing and set_new_handler is a function that takes and returns a new_handler..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops why you don't see this in region 3. Region 5 At this point nothing fits in cache. So you're bound by memory bandwidth. share..
Why does changing 0.1f to 0 slow down performance by 10x? http://stackoverflow.com/questions/9314534/why-does-changing-0-1f-to-0-slow-down-performance-by-10x zero. 0.1f 0.587117 0 0.341406 In the end this really has nothing to do with whether it's an integer or floating point. The 0..
http://stackoverflow.com/questions/988158/take-the-address-of-a-one-past-the-end-array-element-via-subscript-legal-by-the the above says but the standard as far as I can see says nothing about dereferencing it. The closest I can find is 3.9.2 3 Note..
Command working in terminal, but not via QProcess http://stackoverflow.com/questions/10701504/command-working-in-terminal-but-not-via-qprocess output p1.readAllStandardOutput textEdit setText output Nothing is getting displayed on textedit. but when I use just ifconfig..
How to get the application executable name in Windows (C++ Win32 or C++/CLI)? http://stackoverflow.com/questions/124886/how-to-get-the-application-executable-name-in-windows-c-win32-or-c-cli of an application based on the executable name. Nothing huge just changing strings that are displayed and some internal..
Can code that is valid in both C and C++ produce different behavior when compiled in each language? http://stackoverflow.com/questions/12887700/can-code-that-is-valid-in-both-c-and-c-produce-different-behavior-when-compile try to find obvious loopholes in the question let's assume Nothing preprocessor related which means no hacks with #ifdef __cplusplus..
When are static C++ class members initialized? http://stackoverflow.com/questions/1421671/when-are-static-c-class-members-initialized the same translation unit as the object to be initialized. Nothing else i guaranteed especially order of initialization of objects..
How come a non-const reference cannot bind to a temporary object? http://stackoverflow.com/questions/1565600/how-come-a-non-const-reference-cannot-bind-to-a-temporary-object const reference extends the lifetime of this object and Nothing is said about non const references though . My additional question..
Why are Cdecl calls often mismatched in the “standard” P/Invoke Convention? http://stackoverflow.com/questions/15660722/why-are-cdecl-calls-often-mismatched-in-the-standard-p-invoke-convention A Ansi and a W at the end of the new version W wide . Nothing is added if the function doesn't take a string. The pinvoke..
Learning C and/or C++ from beginner to advanced [closed] http://stackoverflow.com/questions/171126/learning-c-and-or-c-from-beginner-to-advanced back a few years ago but never got to use that knowledge. Nothing advanced just simple programming concepts that you'd learn in..
C++ Static member initalization (template fun inside) http://stackoverflow.com/questions/1819131/c-static-member-initalization-template-fun-inside that statement as part of initializing non local objects . Nothing uses B int mInit so it's not instantiated and so no object of..
C++: do you (really) write exception safe code? [closed] http://stackoverflow.com/questions/1853243/c-do-you-really-write-exception-safe-code 4. basic can throw Now our code offers a basic guarantee. Nothing will leak and all objects will be in a correct state. But we..
Pros and cons of using nested C++ classes and enumerations? http://stackoverflow.com/questions/216748/pros-and-cons-of-using-nested-c-classes-and-enumerations the outside class... Nested enums Pros Everything. Con Nothing. The fact is enum items will pollute the global scope collision..
ReleaseSemaphore does not release the semaphore http://stackoverflow.com/questions/2375132/releasesemaphore-does-not-release-the-semaphore This means that a thread's ReleaseSemaphore did not work. Nothing is printf'ed so supposedly nothing went wrong. Maybe two threads..
Fixed-size floating point types http://stackoverflow.com/questions/2524737/fixed-size-floating-point-types c c boost floating point share improve this question Nothing like this exists in the C or C standards at present. In fact..
http://stackoverflow.com/questions/300592/enum-in-c-like-enum-in-ada one of the listed fruits apple banana cherry peach grape. Nothing really different there from C . What is very useful are the..
http://stackoverflow.com/questions/3106110/what-is-move-semantics copy and then get rid of the copy by leaving the scope. Nothing new here. But if you say a x y the move constructor will initialize..
http://stackoverflow.com/questions/397377/c-c-compiler-for-windows for windows I'm trying to port a Linux app to windows. Nothing huge just a small command line utility. However the last time..
Why is including “using namespace” into a header file a bad idea in C++? http://stackoverflow.com/questions/4872373/why-is-including-using-namespace-into-a-header-file-a-bad-idea-in-c into a header file which you then #include before main . Nothing changes you still have an error. So just as for standalone programs..
http://stackoverflow.com/questions/6713637/heap-vs-stack-allocation the pointer inside of it items is also allocated thus. Nothing went on the heap so don't delete it. share improve this answer..
I don't want my Excel Add-In to return an array (instead I need a UDF to change other cells) http://stackoverflow.com/questions/8520732/i-dont-want-my-excel-add-in-to-return-an-array-instead-i-need-a-udf-to-change be dealt with in a non UDF routine If mCalculatedCells Is Nothing Then Set mCalculatedCells New Collection On Error Resume Next..
Image scaling (KeepAspectRatioByExpanding) through OpenGL http://stackoverflow.com/questions/9011108/image-scaling-keepaspectratiobyexpanding-through-opengl need help break case 1 IgnoreAspectRatio Nothing special needs to be done for this operation. break case 2 KeepAspectRatio..
http://stackoverflow.com/questions/9458741/with-explicitly-deleted-member-functions-in-c11-is-it-still-worthwhile-to-inh it take to understand that this class cannot be copied Nothing more than understanding what the delete syntax means. Any book..
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