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c++ Programming Glossary: px

Given a start and end point, and a distance, calculate a point along a line

http://stackoverflow.com/questions/1800138/given-a-start-and-end-point-and-a-distance-calculate-a-point-along-a-line

int x1 int y1 int x2 int y2 int distance int px int py calculate a point on the line x1 y1 to x2 y2 that is.. on the line x1 y1 to x2 y2 that is distance from x2 y2 px py Thanks for the responses no this is not homework just some.. calculate the new vector which is x2y2 vxvy mag distance . px int double x2 vx mag double distance py int double y2 vy mag..

C++: do you (really) write exception safe code? [closed]

http://stackoverflow.com/questions/1853243/c-do-you-really-write-exception-safe-code

X x new X 2. basic can throw with new and X constructor X px x.get 2'. nothrow nofail t.list.push_back px 3. strong can.. X px x.get 2'. nothrow nofail t.list.push_back px 3. strong can throw x.release 3'. nothrow nofail px doSomethingThatCanThrow.. px 3. strong can throw x.release 3'. nothrow nofail px doSomethingThatCanThrow 4. basic can throw Now our code offers..

boost-sprit-lex unifying multiple tokens into a single token in lex differentiated by the id

http://stackoverflow.com/questions/19244345/boost-sprit-lex-unifying-multiple-tokens-into-a-single-token-in-lex-differentiat

spirit qi namespace ascii boost spirit ascii namespace px boost phoenix template typename Iterator struct skipper qi grammar.. distance f e std cout std string i 1 ' ' ^ here std endl px function error_handler_ error_handler template typename Iterator.. _val _1 _3 annotation_state Iterator annotation_state_ px function annotate_ Iterator annotate qi rule Iterator oid oid_..

What are the Pointer-to-Member ->* and .* Operators in C++?

http://stackoverflow.com/questions/6586205/what-are-the-pointer-to-member-and-operators-in-c

now suppose x is not an object but a pointer to object X px new X I want to call the memfun pointer on px. I use px somePointer.. to object X px new X I want to call the memfun pointer on px. I use px somePointer will call px f Now you can't use x.somePointer.. X px new X I want to call the memfun pointer on px. I use px somePointer will call px f Now you can't use x.somePointer or..

Why is C++11's POD “standard layout” definition the way it is?

http://stackoverflow.com/questions/7160901/why-is-c11s-pod-standard-layout-definition-the-way-it-is

which is also often done in C struct A int x A a px is guaranteed to point to a.x int px int a guaranteed to point.. C struct A int x A a px is guaranteed to point to a.x int px int a guaranteed to point to a A pa A px For that to work the.. point to a.x int px int a guaranteed to point to a A pa A px For that to work the first member and the complete object have..

Well, how does the custom deleter of std::unique_ptr work?

http://stackoverflow.com/questions/8274451/well-how-does-the-custom-deleter-of-stdunique-ptr-work

cout Deleting x value is p std unique_ptr int decltype del px x del And on gcc 4.5 here I'll skip going to the standard unless..

Why is it wrong to use std::auto_ptr<> with standard containers?

http://stackoverflow.com/questions/111478/why-is-it-wrong-to-use-stdauto-ptr-with-standard-containers

std auto_ptr X vecX vecX.push_back new X std auto_ptr X pX vecX 0 vecX 0 is assigned NULL. To overcome this limitation..

How to manage endianess of double from network

http://stackoverflow.com/questions/15079463/how-to-manage-endianess-of-double-from-network

suggest to do template typename T void swap_endian T pX char raw reinterpret_cast char pX std reverse raw raw sizeof.. T void swap_endian T pX char raw reinterpret_cast char pX std reverse raw raw sizeof T However if I quote this site The..

How to initialize all elements in an array to the same number in C++

http://stackoverflow.com/questions/2890598/how-to-initialize-all-elements-in-an-array-to-the-same-number-in-c

it comes to arrays template typename T size_t N T end T pX N return pX N Giving int directory 100 std fill directory end.. to arrays template typename T size_t N T end T pX N return pX N Giving int directory 100 std fill directory end directory..

How far to go with a strongly typed language?

http://stackoverflow.com/questions/3181766/how-far-to-go-with-a-strongly-typed-language

like template typename T void check_range const T pX const T pMin const T pMax if pX pMin pX pMax throw std out_of_range.. T void check_range const T pX const T pMin const T pMax if pX pMin pX pMax throw std out_of_range check_range failed or something.. const T pX const T pMin const T pMax if pX pMin pX pMax throw std out_of_range check_range failed or something..

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

to define passkey's define passkey groups #define EXPAND pX pX #define PASSKEY_1 pKeyname pFriend1 class EXPAND pKeyname.. define passkey's define passkey groups #define EXPAND pX pX #define PASSKEY_1 pKeyname pFriend1 class EXPAND pKeyname.. the passkey for it friending the function #define EXPAND pX pX we use variadic macro parameters to allow functions with..

Erasing from a std::vector while doing a for each?

http://stackoverflow.com/questions/3938838/erasing-from-a-stdvector-while-doing-a-for-each

struct RemoveTimedEvent bool operator const AguiTimedEvent pX AguiWidgetBase widget const return pX.getCaller widget void.. AguiTimedEvent pX AguiWidgetBase widget const return pX.getCaller widget void AguiWidgetContainer clearTimedEvents AguiWidgetBase.. predicate do choose a better name bool operator const T pX const replace T with your type return pX.somecondition iterator..

How to tell if class contains a certain member function in compile time [duplicate]

http://stackoverflow.com/questions/3964357/how-to-tell-if-class-contains-a-certain-member-function-in-compile-time

namespace detail template typename T int get_int const T pX true_type return pX.GetInt template typename T int get_int.. typename T int get_int const T pX true_type return pX.GetInt template typename T int get_int const T pX false_type.. return pX.GetInt template typename T int get_int const T pX false_type return pX.m template typename T int get_int const..

Use of typename keyword with typedef and new

http://stackoverflow.com/questions/4421306/use-of-typename-keyword-with-typedef-and-new

required to write typename typedef typename T X xtype pX new typename T X In these two situations the keywords typedef.. is correct portable or not two interesting statements pX new typename T X T X means struct X product T X p but here T..