c++ Programming Glossary: to
What is The Rule of Three? http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three What does copying an object mean What are the copy constructor and the copy assignment operator When do I need to declare.. What are the copy constructor and the copy assignment operator When do I need to declare them myself How can I prevent my.. and the copy assignment operator When do I need to declare them myself How can I prevent my objects from being..
What is a smart pointer and when should I use one? http://stackoverflow.com/questions/106508/what-is-a-smart-pointer-and-when-should-i-use-one and p2 never goes to zero The objects are never destroyed To work around this problem both boost and C 11 define weak_ptr..
Sizeof array passed as parameter http://stackoverflow.com/questions/1328223/sizeof-array-passed-as-parameter to T or pointer to function returning T respectively.... To explain the syntax Check for right left rule in google I found..
What is the difference between a definition and a declaration? http://stackoverflow.com/questions/1410563/what-is-the-difference-between-a-definition-and-a-declaration S int a int b defines S S a and S b struct S declares S To sum it up The C standard considers struct x to be a declaration..
Most vexing parse: why doesn't A a(()); work? http://stackoverflow.com/questions/1424510/most-vexing-parse-why-doesnt-a-a-work expression within then it is valid. For example 0 compiles To learn more about how languages are defined and how compilers..
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 an example of a pair that carry its meaning in its name. To sum up in my opinion it is better to have a class Position x..
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 3rd type of initialization value initialization was added. To say they least it's rather complex and when the different methods..
What is the name of this operator: “-->”? http://stackoverflow.com/questions/1642028/what-is-the-name-of-this-operator comparing the original value with 0 using the operator. To better understand the statement could be as follows while x..
What is move semantics? http://stackoverflow.com/questions/3106110/what-is-move-semantics it is okay to move from string objects denoted by rvalues. To summarize the copy constructor makes a deep copy because the..
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 generating the defined token in a #if expression To be classified Calling exit during the destruction of a program..
Operator overloading http://stackoverflow.com/questions/4421706/operator-overloading operators come in both prefix and postfix flavor. To tell one from the other the postfix variants take an additional..
When to use virtual destructors? http://stackoverflow.com/questions/461203/when-to-use-virtual-destructors the one of the derived class resulting in resources leak. To sum up always make base classes' destructors virtual when they're..
How do you set, clear and toggle a single bit in C/C++? http://stackoverflow.com/questions/47981/how-do-you-set-clear-and-toggle-a-single-bit-in-c-c bit string with the bitwise NOT operator ~ then AND it. Toggling a bit The XOR operator ^ can be used to toggle a bit... a bit You didn't ask for this but I might as well add it. To check a bit AND it with the bit you want to check bit number..
Are global variables bad? http://stackoverflow.com/questions/484635/are-global-variables-bad which functions actually read and write these variables. To understand how the application works you pretty much have to..
How to convert a number to string and vice versa in C++ http://stackoverflow.com/questions/5290089/how-to-convert-a-number-to-string-and-vice-versa-in-c idea to start with a small library like this lexical_cast. To download and install boost and its documentation go here . Although..
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 his own. This is the reason I chose a fixed size array. To set the stage assume that the second house we allocate will.. has no NextHouse reference which means it's the last one. To visit all our houses we could use the following code var h1..
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 a reference and do pointer arithmetics on it as in obj 5 . To clarify a misconception The C standard is very careful to avoid..
OpenCV 2.3 C++ Visual Studio 2010 http://stackoverflow.com/questions/7011238/opencv-2-3-c-visual-studio-2010 see Build 1 succeeded 0 failed 0 up to date 0 skipped To be able to execute the application you'll need to modify the..
What is a lambda expression in C++11? http://stackoverflow.com/questions/7627098/what-is-a-lambda-expression-in-c11 double d if d 0.0001 return 0 else return d To resolve this you are allowed to explicitly specify a return..
Where do I find the current C or C++ standard documents? http://stackoverflow.com/questions/81656/where-do-i-find-the-current-c-or-c-standard-documents drowned in the flood of discussions on programming forums To get this started since these are the ones I am searching for..
Google protocol buffers on iOS http://stackoverflow.com/questions/10277576/google-protocol-buffers-on-ios your source to file mm then you can do something like TO SERIALIZE TO NSDATA let's say your message is called Packet.. to file mm then you can do something like TO SERIALIZE TO NSDATA let's say your message is called Packet NSData getDataForPacket.. return NSData dataWithBytes ps.c_str length ps.size TO READ FROM NSDATA Packet getPacketFromNSData NSData data char..
error LNK1169: one or more multiply defined symbols found http://stackoverflow.com/questions/12132453/error-lnk1169-one-or-more-multiply-defined-symbols-found protected string phone_number int counter CALL DURATION TO BE CHARGED double charge public string phone_number MOVE TO.. BE CHARGED double charge public string phone_number MOVE TO PROTECTED LATER void setCharge double ch charge ch void setCoutner..
C++ struct alignment question http://stackoverflow.com/questions/1455458/c-struct-alignment-question unsigned short padding 13 __attribute__ packed USED ONLY TO COMPARE IMPLEMENTATIONS struct unpacked THIS IS THE EXAMPLE..
Downloading and integrating Qt5 with Visual Studio 2012 http://stackoverflow.com/questions/15826893/downloading-and-integrating-qt5-with-visual-studio-2012 has installed the Avast autosandbox feature EVEN WITH AUTO SANDBOXING TURNED OFF. THE ONLY WAY TO OVERCOME THIS ISSUE IS.. feature EVEN WITH AUTO SANDBOXING TURNED OFF. THE ONLY WAY TO OVERCOME THIS ISSUE IS TO COMPLETELY UNINSTALL AVAST FROM YOUR.. TURNED OFF. THE ONLY WAY TO OVERCOME THIS ISSUE IS TO COMPLETELY UNINSTALL AVAST FROM YOUR SYSTEM before building..
Does “&s[0]” point to contiguous characters in a std::string? http://stackoverflow.com/questions/1986966/does-s0-point-to-contiguous-characters-in-a-stdstring that does not use contiguous storage. EDITED TO ADD Following the comments below it is guaranteed by the current..
std::wstring VS std::string http://stackoverflow.com/questions/402283/stdwstring-vs-stdstring std cout wtext wtext std endl error std cout wtext UNABLE TO CONVERT NATIVELY. std endl std wcout L wtext wtext std endl.. text binary 111 108 195 169 sizeof wchar_t 4 wtext UNABLE TO CONVERT NATIVELY. sizeof wtext 16 wcslen wtext 3 wtext binary..
Why is this cin reading jammed? http://stackoverflow.com/questions/478258/why-is-this-cin-reading-jammed if addWordAnswer no else if addWordAnswer no ######RETURN TO MAIN MENU############ void pushSynonyms string synline vector..
Why doesn't C++ support functions returning arrays? http://stackoverflow.com/questions/5157439/why-doesnt-c-support-functions-returning-arrays in that memory isn't tied to the scope only the reference TO the memory is limited by the scope. Here's where pass by value..
Calling a java method from c++ in Android http://stackoverflow.com/questions/5198105/calling-a-java-method-from-c-in-android a java method from c in Android THE SOLUTION TO THIS PROBLEM IS IN THE BOTTOM OF THE QUESTION Hi. I'm trying.. c in Android THE SOLUTION TO THIS PROBLEM IS IN THE BOTTOM OF THE QUESTION Hi. I'm trying to get a simple java method..
How to seek in FFmpeg C/C++ http://stackoverflow.com/questions/5261658/how-to-seek-in-ffmpeg-c-c code from a sample I have bool seekMs int tsms printf SEEK TO ms d. LLT d. LT d. LLF d. LF d. LastFrameOk d n tsms LastLastFrameTime..
C++ SMTP Example http://stackoverflow.com/questions/58210/c-smtp-example send_socket r n read_socket Sender OK send_socket RCPT TO Mail to send_socket to_id send_socket r n read_socket Recipient..
C++ Constructor [duplicate] http://stackoverflow.com/questions/6724626/c-constructor members there is no practical overhead. When do you HAVE TO use member Initializer list You will have rather forced to use.. a default constructor A code Example that depict the HAVE TO cases class MyClass public int i reference member has to be..
C++, Need Reason for error : cannot convert parameter 1 from 'char *' to 'const char *&' http://stackoverflow.com/questions/7850843/c-need-reason-for-error-cannot-convert-parameter-1-from-char-to-const char ' Whey we cannot Convert pointer to a character TO a reference to a pointer to a constant character I am interested..
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