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c++ Programming Glossary: belowIs there a difference in C++ between copy initialization and direct initialization? http://stackoverflow.com/questions/1051379/is-there-a-difference-in-c-between-copy-initialization-and-direct-initializati a copy constructor is needed too but this is not important below As you see copy initialization is in some way a part of direct..
strange output in comparison of float with float literal http://stackoverflow.com/questions/1839422/strange-output-in-comparison-of-float-with-float-literal a float if f 0.7f But as Michael suggested in the comments below you should never test for exact equality of floating point values...
Undefined, unspecified and implementation-defined behavior http://stackoverflow.com/questions/2397984/undefined-unspecified-and-implementation-defined-behavior to the string literal hello n and the two assignments below try to modify that string literal. What does this program do..
What are all the common undefined behaviour that a C++ programmer should know about? [closed] http://stackoverflow.com/questions/367633/what-are-all-the-common-undefined-behaviour-that-a-c-programmer-should-know-ab yields a result outside the boundaries either above or below of an array. Dereferencing the pointer at a location beyond..
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 other n m elements are if possible value initialized see below for the explanation of the term else if m n the compiler will..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c that the manual usage of new and delete as demonstrated below is extremely dangerous in the face of exceptions but that is..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers myself for reference. Update Sven has now posted his code below which I made the accepted answer. My own code uses container.. values L L L Delimiters for pair reused for tuple see below template typename T1 typename T2 struct delimiters std pair.. iterator if this is a desired feature but Sven's code below has the implementation. It was a conscious design decision to..
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 thus be easily explained. I've added some Delphi code down below and some comments where appropriate. I chose Delphi since my.. ignore the parts labelled Memory layout in the explanation below. They are intended to give examples of what memory could look.. it is accurate enough. Let's assume the THouse class used below looks like this type THouse class private FName array 0..9 of..
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 what are the differences Summary from answers and links below A pointer can be re assigned any number of times while a reference..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords v In some cases the keywords are forbidden as detailed below On the name of a dependent base class you are not allowed to..
OpenCV 2.3 C++ Visual Studio 2010 http://stackoverflow.com/questions/7011238/opencv-2-3-c-visual-studio-2010 OpenCV 2.1 on VS2010 so I wrote some instructions below that shows how to properly install and configure the x86 version..
C++ convert hex string to signed integer http://stackoverflow.com/questions/1070497/c-convert-hex-string-to-signed-integer as a signed type std cout static_cast int x std endl NOTE Below is my original answer which as the edit says is not a complete..
Is any part of C++ syntax context sensitive? [duplicate] http://stackoverflow.com/questions/1172939/is-any-part-of-c-syntax-context-sensitive context sensitive grammar share improve this question Below is my current favorite demonstration of why parsing C is probably..
What open source C++ static analysis tools are available? [closed] http://stackoverflow.com/questions/141498/what-open-source-c-static-analysis-tools-are-available certain needs. Finding the tools has not been easy task. Below is a short list of C static analysis tools that were found or..
Is C++ context-free or context-sensitive? http://stackoverflow.com/questions/14589346/is-c-context-free-or-context-sensitive context sensitive grammar share improve this question Below is my current favorite demonstration of why parsing C is probably..
Extend the life of threads with synchronization (C++11) http://stackoverflow.com/questions/15252292/extend-the-life-of-threads-with-synchronization-c11 to each submitted std packaged_tast and call wait on it. Below is a simple program that follows this design. Comments should..
How to compare two time stamp in format “Month Date hh:mm:ss” to check +ve or -ve value http://stackoverflow.com/questions/15555406/how-to-compare-two-time-stamp-in-format-month-date-hhmmss-to-check-ve-or-v struct tm timeptr function to convert struct tm to time_t Below Is my example program #include stdio.h #include time.h int main..
Getting error using SVM with SURF http://stackoverflow.com/questions/18391673/getting-error-using-svm-with-surf error using SVM with SURF Below is my code which is running fine but after a long processing..
cyclic dependency between header files http://stackoverflow.com/questions/2089056/cyclic-dependency-between-header-files have to start separating .cpp and .h files... Update #2 Below following the hints I pasted the complete solution too. Thanks..
Using condition variable in a producer-consumer situation http://stackoverflow.com/questions/2379806/using-condition-variable-in-a-producer-consumer-situation for the condition variable boost condition_variable condQ Below is my consumer thread void consume while bStop globally declared.. lock mutexQ string s messageQ.front messageQ.pop Below is my producer thread void produce int i 0 while bStop && i..
how to get vendor id and product id of a plugged usb device on windows http://stackoverflow.com/questions/2935184/how-to-get-vendor-id-and-product-id-of-a-plugged-usb-device-on-windows product id of a plugged usb device from my local system. Below is my full source code to get the vendor id and product id from..
boost spirit semantic action parameters http://stackoverflow.com/questions/3066701/boost-spirit-semantic-action-parameters type that needs to be constructed from POD parsed values. Below is a simple example. Let's say part of our input is a sequence..
Building multiple executables with similar rules http://stackoverflow.com/questions/7123431/building-multiple-executables-with-similar-rules You can actually do this with a few lines of GNU Make. Below are two makefiles that allow building and cleaning from all_lessons..
Choice between vector::resize() and vector::reserve() http://stackoverflow.com/questions/7397768/choice-between-vectorresize-and-vectorreserve pre allocating some memory to my a vector member variable. Below code is minimal part class A vector string t_Names public A..
http://stackoverflow.com/questions/739870/extract-cursor-image-in-java code. could you help me use that function you mentioned Below is some code to draw built in Windows cursors using the JNA..
Converting YUV into BGR or RGB in OpenCV http://stackoverflow.com/questions/7954416/converting-yuv-into-bgr-or-rgb-in-opencv and attempted to use the formula in my application. Below is the code block with the output received from it. Any advice..
How to implement an STL-style iterator and avoid common pitfalls? http://stackoverflow.com/questions/8054273/how-to-implement-an-stl-style-iterator-and-avoid-common-pitfalls the valid operations and the tags have a heiarchy. Below is purely symbolic these classes don't actually exist as such...
http://stackoverflow.com/questions/8150380/gsoap-multithreading to functions such as soap_serve which you don't have. Below is my quick re write of the multithreaded example to use the..
Linux 3.0: Executing child process with piped stdin/stdout http://stackoverflow.com/questions/9405985/linux-3-0-executing-child-process-with-piped-stdin-stdout transposition but it shows this code has never been used. Below is a version that I have tested. Unfortunately I changed the..
Does std::bind work with move-only types in general, and std::unique_ptr in particular? http://stackoverflow.com/questions/9955714/does-stdbind-work-with-move-only-types-in-general-and-stdunique-ptr-in-part course I can't call anything on it. What am I doing wrong Below is the output from when trying to assign to std function void..
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