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c++ Programming Glossary: you'vehttp://stackoverflow.com/questions/1151582/pthread-function-from-a-class share improve this question You can't do it the way you've written it because C class member functions have a hidden this..
Why is “using namespace std;” considered bad practice? http://stackoverflow.com/questions/1452721/why-is-using-namespace-std-considered-bad-practice of Foo 2.0 which now offers a function called Quux . Now you've got a conflict Both Foo 2.0 and Bar import Quux into your global..
Is it good practice to NULL a pointer after deleting it? http://stackoverflow.com/questions/1931126/is-it-good-practice-to-null-a-pointer-after-deleting-it improve this question Setting pointers to NULL after you've deleted what it pointed to certainly can't hurt but it's often..
What are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier variables rather than local variables or parameters. If you've come from an MFC background you'll probably use m_foo . I've..
Read whole ASCII file into C++ std::string http://stackoverflow.com/questions/2602013/read-whole-ascii-file-into-c-stdstring that's not a method that std ifstream has. It looks like you've confused it with C's fopen . Edit Also note the extra parentheses..
Is it better in C++ to pass by value or pass by constant reference? http://stackoverflow.com/questions/270408/is-it-better-in-c-to-pass-by-value-or-pass-by-constant-reference But in general the compiler can ™t determine this. So you've got no choice but to pass by const reference if you don't want..
http://stackoverflow.com/questions/2958648/what-are-the-pitfalls-of-adl written a class to represent a unicorn. For some reason you've also defined a function named print what a coincidence that..
Why does C++ not have reflection? http://stackoverflow.com/questions/359237/why-does-c-not-have-reflection But they also suffer from the problems I described. If you've ever tried debugging a release build you'll know what I mean...
Combining C++ and C - how does #ifdef __cplusplus work? http://stackoverflow.com/questions/3789340/combining-c-and-c-how-does-ifdef-cplusplus-work anything outside the same compilation unit anyway. For #4 you've got it exactly. If you are including a header for code that..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points make myself feel better. Why should I stop using them If you've read this be sure to visit the follow up question Undefined..
http://stackoverflow.com/questions/4340396/does-the-c-standard-mandate-poor-performance-for-iostreams-or-am-i-just-deali streambuf.tcc for the details . My take on this is that you've focused on the worst case situation. All the checking that is.. and type safe design. Such benefits come at a price and you've written a test which makes these costs dominate the execution..
Calling virtual method in base class constructor http://stackoverflow.com/questions/448258/calling-virtual-method-in-base-class-constructor problems. I would try to limit the visibility though as you've done in your first example. EDIT One thing which is important..
C++ - enum vs. const vs. #define http://stackoverflow.com/questions/4767667/c-enum-vs-const-vs-define p In the error message you don't see the macro WIDTH which you've #defined right That is because by the time GCC makes any attempt..
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 of paper. When later on you look at the piece of paper you've forgotten that the house is no longer there and goes to visit..
C++, template argument can not be deduced http://stackoverflow.com/questions/6060824/c-template-argument-can-not-be-deduced double Type This makes the situation even worse. Now you've the following TMap SomeType Type std map double double . TMap..
How to find all possible subsets of a given array? http://stackoverflow.com/questions/679203/how-to-find-all-possible-subsets-of-a-given-array 0 and 2^N to the elements in the x th subset of S . Once you've worked out how to enumerate the elements of a given subset adding..
Subclass/inherit standard containers? http://stackoverflow.com/questions/6806173/subclass-inherit-standard-containers hierarchy A B C ... When you want to use the behaviors you've extended in derived classes like B C .. on objects not of the.. classes like B C .. on objects not of the base class A you've got to redesign or you are duplicating implementation. This..
input validation for numeric input http://stackoverflow.com/questions/10178830/input-validation-for-numeric-input int main int x cout Enter your number isNumeric x cout You've entered x endl return 0 It's working just fine for incorrect..
Installing OpenCV 2.4.3 in Visual C++ 2010 Express [closed] http://stackoverflow.com/questions/10901905/installing-opencv-2-4-3-in-visual-c-2010-express instead of opencv_core243d.lib opencv_imgproc243d.lib ... You've done setting up Visual C now is the time to write the real code...
Exception to the Rule of Three? http://stackoverflow.com/questions/15557406/exception-to-the-rule-of-three to be obeyed blindly they're there to make you think. You've thought. And you've concluded that the destructor wouldn't do..
Why is the copy-constructor argument const? http://stackoverflow.com/questions/1602058/why-is-the-copy-constructor-argument-const a const c constructor share improve this question You've gotten answers that mention ensuring that the ctor can't change..
How to parse space-separated floats in C++ quickly? http://stackoverflow.com/questions/17465061/how-to-parse-space-separated-floats-in-c-quickly them to be very close but practically they aren't always You've already determined that std ifstream is too slow. Converting..
Pointer expressions: *ptr++, *++ptr and ++*ptr http://stackoverflow.com/questions/18481740/pointer-expressions-ptr-ptr-and-ptr literal. There you have it. I hope it's all crystal now. You've been a great audience and I'll be here all week. share improve..
Seeking a true “tool-chain” [closed] http://stackoverflow.com/questions/2020869/seeking-a-true-tool-chain everything looks like a nail approach to projects. That is You've done the work to select the tools you think are suitable and..
C++ format macro / inline ostringstream http://stackoverflow.com/questions/303562/c-format-macro-inline-ostringstream macros ostringstream share improve this question You've all pretty much nailed this already. But it's a little challenging..
Is it safe to use STL (TR1) shared_ptr's between modules (exes and dlls) http://stackoverflow.com/questions/345003/is-it-safe-to-use-stl-tr1-shared-ptrs-between-modules-exes-and-dlls as it all came from the same memory management context. You've identified the most common issue different C runtimes having..
Need some feedback on how to make a class “thread-safe” http://stackoverflow.com/questions/3482352/need-some-feedback-on-how-to-make-a-class-thread-safe you have a big class Game that requires synchronization. You've already noted the problem where each method is synchronized..
smart pointers + “this” considered harmful? http://stackoverflow.com/questions/382166/smart-pointers-this-considered-harmful raw pointer contained in any smart pointer for later use. You've given up control of object deletion and trust the smart pointer..
Why should casting be avoided? http://stackoverflow.com/questions/4167304/why-should-casting-be-avoided in c c# java c casting share improve this question You've tagged this with three languages and the answers are really..
send RSA public key to iphone and use it to encrypt http://stackoverflow.com/questions/4211484/send-rsa-public-key-to-iphone-and-use-it-to-encrypt I cribbed code from This code assumes several things You've already generated your RSA key pairs I'm using a 4096 bit key.. Using just the public key isn't though it can be done . You've added Security.framework to your project and you #import Security..
Searching in an sorted and rotated array http://stackoverflow.com/questions/4773807/searching-in-an-sorted-and-rotated-array tech interview I stumbled upon this interesting question You've been given an array that is sorted and then rotated. example..
How to redirect qDebug, qWarning, qCritical etc output? http://stackoverflow.com/questions/4954140/how-to-redirect-qdebug-qwarning-qcritical-etc-output debugging qt mingw qdebug share improve this question You've to install a message handler using qInstallMsgHandler function..
Levenshtein Distance: Inferring the edit operations from the matrix http://stackoverflow.com/questions/5849139/levenshtein-distance-inferring-the-edit-operations-from-the-matrix therefore the step 1 is substitute d with r R epublican You've arrived at a cell which value is 0 your work is done share..
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 used. c c multithreading share improve this question You've heard wrong. It may well be that i is thread safe for a specific..
http://stackoverflow.com/questions/7531866/unresolved-overloaded-function-type-while-trying-to-use-for-each-with-iterator into lower case if so then std for_each wouldn't do that. You've to use std transform function as std string out std transform..
Improvements for this C++ stack allocator? http://stackoverflow.com/questions/771458/improvements-for-this-c-stack-allocator management code review share improve this question You've implemented a stack based allocator. You can't free up without..
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