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c++ Programming Glossary: thingsIs 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 in some of the initializations I have seen people say both things. Please cite text as proof. Also add other cases please. c..
what is the difference between const int*, const int * const, int const * http://stackoverflow.com/questions/1143262/what-is-the-difference-between-const-int-const-int-const-int-const int const const If you want to go really crazy you can do things like this int pointer to pointer to int int const a const pointer..
Most vexing parse: why doesn't A a(()); work? http://stackoverflow.com/questions/1424510/most-vexing-parse-why-doesnt-a-a-work vexing parse why doesn't A a work Among the many things Stack Overflow has taught me is what is known as the most vexing..
Do-While and if-else statements in C/C++ macros http://stackoverflow.com/questions/154136/do-while-and-if-else-statements-in-c-c-macros no longer associated with the if. It doesn't help to wrap things in curly braces within the macro because the following is also..
What is this weird colon-member syntax in the constructor? http://stackoverflow.com/questions/1711990/what-is-this-weird-colon-member-syntax-in-the-constructor . The takeaway point from the FAQ entry is that All other things being equal your code will run faster if you use initialization..
Most effective way for float and double comparison http://stackoverflow.com/questions/17333/most-effective-way-for-float-and-double-comparison be the same as 1.0 1.0. This is as long as you do not do things that result in fractions 4.0 3.0 or do not go outside of the..
http://stackoverflow.com/questions/3106110/what-is-move-semantics a new mechanism called rvalue reference which among other things allows us to detect rvalue arguments via function overloading...
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom elegantly assists the assignment operator in achieving two things avoiding code duplication and providing a strong exception guarantee.. In order to use the copy and swap idiom we need three things a working copy constructor a working destructor both are the..
When should static_cast, dynamic_cast and reinterpret_cast be used? http://stackoverflow.com/questions/332030/when-should-static-cast-dynamic-cast-and-reinterpret-cast-be-used is the first cast you should attempt to use. It does things like implicit conversions between types such as int to float.. or storing a pointer in an int or all sorts of other nasty things. Largely the only guarantee you get with reinterpret_cast is..
http://stackoverflow.com/questions/356950/c-functors-and-their-uses 1 assert out i in i 1 for all i There are a couple of nice things about functors. One is that unlike regular functions they can..
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c from another answer void foo std string str Do cool things to or using str This works fine but what if we want to return.. We could write this std string foo std string str Do cool things to or using str return str So what's wrong with that Well the.. or by pointer. std string foo std string str Do cool things to or using str return str Unfortunately this code doesn't work...
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points have patience while reading it. If you already know these things reading them again won't make you crazy. Pre requisites An elementary..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers but I'm not sure I'd recommend that since it might match things that match those criteria but aren't actually containers like..
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 function and beyond level What are some good practice things that can be done to bring somebody to the level of Ah hah I.. my other main programming language C# does not exhibit things like memory leaks in the same way. If you only wish to learn.. house later on comes home he'll find all sorts of things he'll consider his own. This is the reason I chose a fixed size..
Do the parentheses after the type name make a difference with new? http://stackoverflow.com/questions/620137/do-the-parentheses-after-the-type-name-make-a-difference-with-new C m is zero initialized In a C 03 conformant compiler things should work like so new A indeterminate value new A value initialize..
Globally override malloc in visual c++ http://stackoverflow.com/questions/1316018/globally-override-malloc-in-visual-c external libraries used and I really want to avoid this. Things I don't care about If any of the external libraries are allocating..
C++ - What should go into an .h file? http://stackoverflow.com/questions/1945846/c-what-should-go-into-an-h-file the information that will be needed in multiple files. Things like class declarations function prototypes and enumerations..
c++ data alignment /member order & inheritance http://stackoverflow.com/questions/2006504/c-data-alignment-member-order-inheritance spec but almost all compilers implement it the same. Things get more complicated when you start talking about virtual functions..
http://stackoverflow.com/questions/2674736/loading-a-dll-from-a-dll in some sense your binary may not have been fully born . Things can be tricky. In a nutshell when DllMain is called OS loader..
How to implement big int in C++ http://stackoverflow.com/questions/269268/how-to-implement-big-int-in-c bignum largenumber share improve this question Things to consider for a big int class Mathematical operators Don't..
g++: how to specify preference of library path? http://stackoverflow.com/questions/2726993/g-how-to-specify-preference-of-library-path the examples below my library file is my dir libfoo.so.0. Things I've tried that don't work my g command is g g Wall o my_binary..
What are some reasons a Release build would run differently than a Debug build http://stackoverflow.com/questions/312312/what-are-some-reasons-a-release-build-would-run-differently-than-a-debug-build Surviving the Release Version gives a good overview. Things I have encountered most are already mentioned Variable initialization..
Integer division rounding with negatives in C++ http://stackoverflow.com/questions/319880/integer-division-rounding-with-negatives-in-c as Stroustrup and with a member of the committee. Things take AGES to get accomplished and its endlessly political. If..
What exactly is an 'aligned pointer'? http://stackoverflow.com/questions/4322926/what-exactly-is-an-aligned-pointer RISC ier architectures typically don't do this for you. Things like these can also affect padding i.e. the insertion of dummy..
Catching access violation exceptions? http://stackoverflow.com/questions/457577/catching-access-violation-exceptions you do something bad that would incur a performance hit. Things like access violations or division by zero errors are more like..
Should objects delete themselves in C++? http://stackoverflow.com/questions/522637/should-objects-delete-themselves-in-c the map or the inventory tries to access the object Bad Things Happen. In general I'd say it is very unintuitive for an Update..
Examples of “modern c++” in action? [closed] http://stackoverflow.com/questions/534311/examples-of-modern-c-in-action to study that are good examples of Modern C and STL usage. Things like what is suggested in Meyer's Effective STL such as trying..
Call function in c++ dll without header http://stackoverflow.com/questions/554551/call-function-in-c-dll-without-header you should be able to find out their number and the types. Things may get more difficult with return value it may be via 'eax'..
how to find memory leak in c++ code/project http://stackoverflow.com/questions/6261201/how-to-find-memory-leak-in-c-code-project memory leaks share improve this question Instructions Things You'll Need Proficiency in C C compiler Debugger and other investigative..
I've heard i++ isn't thread safe, is ++i thread-safe? http://stackoverflow.com/questions/680097/ive-heard-i-isnt-thread-safe-is-i-thread-safe misunderstanding of what machine code will be generated. Things like Java synchronized and pthread_mutex_lock available to C..
Visual Studio 2010 hangs when I debug method AttachThreadInput() http://stackoverflow.com/questions/8075568/visual-studio-2010-hangs-when-i-debug-method-attachthreadinput understanding the consequences. This is one of the Five Things Every Win32 Programmer Should Know I discussed back in 2005...
How do you read directly from physical memory? http://stackoverflow.com/questions/8403610/how-do-you-read-directly-from-physical-memory Neither the language C nor C defines the term memory . Things are defined in abstract terms like storage and storage classifiers..
What is the difference between static_cast and Implicit_cast? http://stackoverflow.com/questions/868306/what-is-the-difference-between-static-cast-and-implicit-cast 3.4 But an implicit conversion happens from double to int. Things like an implicit cast don't exist since a cast is always an..
Boolean expression (grammar) parser in c++ http://stackoverflow.com/questions/8706356/boolean-expression-grammar-parser-in-c strongly typed AST datatype in roughly 50 lines of code. Things could be considerably worse. template typename It typename Skipper..
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