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c++ Programming Glossary: methodhttp://stackoverflow.com/questions/1008019/c-singleton-design-pattern this I have adopted it from the real life example a lot of methods are omitted here class Singleton public static Singleton getInstance.. instance declared as static variable of GetInstance method See this article that explains why double checked locking will..
http://stackoverflow.com/questions/1120140/csv-parser-in-c that will return a vector for the next line each time the method is called. I found this article which looks quite promising..
Best way to detect integer overflow in C/C++ http://stackoverflow.com/questions/199333/best-way-to-detect-integer-overflow-in-c-c of the highest one bit in a number here's a brute force method size_t highestOneBitPosition uint32_t a size_t bits 0 while..
What should main() return in C and C++? http://stackoverflow.com/questions/204476/what-should-main-return-in-c-and-c indeed. Styles of main functions in C Return type of main method in C Related C int main int argc char argv C int main int argc..
What is the difference between #include <filename> and #include “filename”? http://stackoverflow.com/questions/21593/what-is-the-difference-between-include-filename-and-include-filename shall match one of the two previous forms. The method by which a sequence of preprocessing tokens between a and a..
Is it possible to write a C++ template to check for a function's existence? http://stackoverflow.com/questions/257288/is-it-possible-to-write-a-c-template-to-check-for-a-functions-existence you can check if a given class does provide a certain method. Here's the working code #include iostream struct Hello int..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom the compiler do it in the parameter list. Either way this method of obtaining our resource is the key to eliminating code duplication..
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c example ends horribly file will be closed as soon as this method ends meaning that foo and bar now have an invalid log file...
http://stackoverflow.com/questions/4421706/operator-overloading the user defined ones because they are syntactic sugar for method calls do not use shortcut semantics. User will expect these..
How do I tokenize a string in C++? http://stackoverflow.com/questions/53849/how-do-i-tokenize-a-string-in-c do I tokenize a string in C Java has a convenient split method String str The quick brown fox String results str.split Is there.. simple case can easily be built using the std string find method. However take a look at Boost.Tokenizer . It's great. Boost..
When to use forward declaration? http://stackoverflow.com/questions/553682/when-to-use-forward-declaration type exists it knows nothing about its size members or methods. This is why it's called an incomplete type . Therefore you.. incomplete type class Foo X pt X pt Declare functions or methods which accept return incomplete types void f1 X X f2 Define.. return incomplete types void f1 X X f2 Define functions or methods which accept return pointers references to the incomplete type..
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 1234My house 5678My house A more common way to get this method is just to forget to free something instead of overwriting it.. above. In Delphi terms this will occur with the following method procedure OpenTheFrontDoorOfANewHouse var h THouse begin h THouse.Create.. oh no .Free here where does the address go end After this method has executed there's no place in our variables that the address..
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 after it. Local variables follow the latter pattern when a method is entered its local variables come alive. When that method.. is entered its local variables come alive. When that method calls another method the new method's local variables come alive... local variables come alive. When that method calls another method the new method's local variables come alive. They'll be dead..
C++/CLI wrapper for native C++ to use as reference in C# http://stackoverflow.com/questions/10223186/c-cli-wrapper-for-native-c-to-use-as-reference-in-c-sharp you want to expose to C#. class NativeClass public void Method 1 Create a C CLI project. Link to your C library and headers... NativeClassWrapper delete m_nativeClass void Method m_nativeClass Method 3 Add a reference to your C CLI project.. delete m_nativeClass void Method m_nativeClass Method 3 Add a reference to your C CLI project in your C# project...
What is the Fastest Method for High Performance Sequential File I/O in C++? http://stackoverflow.com/questions/1201261/what-is-the-fastest-method-for-high-performance-sequential-file-i-o-in-c is the Fastest Method for High Performance Sequential File I O in C Assuming the..
What is the state of C++ refactor support in Eclipse? http://stackoverflow.com/questions/130913/what-is-the-state-of-c-refactor-support-in-eclipse project 5.0 has a bunch of new refactorings Declare Method Extract Baseclass Extract Constant Extract Method Extract Subclass.. Declare Method Extract Baseclass Extract Constant Extract Method Extract Subclass Hide Method Implement Method Move Field Method.. Extract Constant Extract Method Extract Subclass Hide Method Implement Method Move Field Method Replace Number Separate Class..
Undefined symbols “vtable for …” and “typeinfo for…”? http://stackoverflow.com/questions/1693634/undefined-symbols-vtable-for-and-typeinfo-for declare all its virtual methods pure virtual virtual void Method 0 The 0 tells the compiler that this method must be overridden..
C++ Using Class Method as a Function Pointer Type http://stackoverflow.com/questions/1738313/c-using-class-method-as-a-function-pointer-type Using Class Method as a Function Pointer Type In a C lib there is a function waiting..
Prevent class inheritance in C++ http://stackoverflow.com/questions/2184133/prevent-class-inheritance-in-c 1 Which is the best method Any other methods available 2 Method 2 3 will not work unless the CSealed class is inherited virutally...
How to compile dynamic library for a JNI application on linux? http://stackoverflow.com/questions/3950635/how-to-compile-dynamic-library-for-a-jni-application-on-linux #ifdef __cplusplus extern C #endif Class Hello Method sayHello Signature V JNIEXPORT void JNICALL Java_Hello_sayHello.. at java.lang.ClassLoader NativeLibrary.load Native Method at java.lang.ClassLoader.loadLibrary0 ClassLoader.java 1803..
How do I compile a Visual Studio project from the command-line? http://stackoverflow.com/questions/498106/how-do-i-compile-a-visual-studio-project-from-the-command-line share improve this question I know of two ways to do it. Method 1 The first method which I prefer is to use msbuild msbuild.. I prefer is to use msbuild msbuild project.sln Flags... Method 2 You can also run vcexpress project.sln build Flags... The..
http://stackoverflow.com/questions/4989451/mutex-example-tutorial myMutex scoped_lock lock create a lock lock.acquire sm Method acquire waits until it can acquire a lock on the mutex only..
Calling a java method from c++ in Android http://stackoverflow.com/questions/5198105/calling-a-java-method-from-c-in-android method that you want to call jmethodID messageMe env GetMethodID clazz messageMe Ljava lang String V Call the method on the.. Call the method on the object jobject result env CallObjectMethod jstr messageMe Get a C style string const char str env GetStringUTFChars.. AndroidRuntime 742 FATAL EXCEPTION main java.lang.NoSuchMethodError messageMe at .android.t3d.MainActivity.getJniString Native..
When should I use the new keyword in C++? http://stackoverflow.com/questions/655065/when-should-i-use-the-new-keyword-in-c new operator keyword share improve this question Method 1 using new Allocates memory for the object on the free store.. which control path is taken or if exceptions are thrown. Method 2 not using new Allocates memory for the object on the stack..
How can I control my PC's fan speed using C++ in Vista? http://stackoverflow.com/questions/786984/how-can-i-control-my-pcs-fan-speed-using-c-in-vista that will give you clues on where to start SetSpeed Method of the CIM_Fan Class WMI C Application Examples Example Calling.. WMI C Application Examples Example Calling a Provider Method Note that some motherboards don't support fan speed changes..
http://stackoverflow.com/questions/992069/ace-vs-boost-vs-poco about POCO IMO Better thread library especially a Active Method implementation. I also like the fact that you can set the thread.. provides some functionality that is not in Boost ActiveMethod and Activity and ThreadPool . IMO POCO threads are also easier..
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