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c++ Programming Glossary: checkingC++ convert hex string to signed integer http://stackoverflow.com/questions/1070497/c-convert-hex-string-to-signed-integer some stuff to do this as well which has some nice error checking capabilities as well. You can use it like this try unsigned.. here's a light version of lexical cast which does no error checking template typename T2 typename T1 inline T2 lexical_cast const..
http://stackoverflow.com/questions/1610030/why-can-you-return-from-a-non-void-function-without-returning-a-value-without-pr to 0 only in the main function. The rationale is that checking if every code path returns a value is quite difficult and return..
Best way to detect integer overflow in C/C++ http://stackoverflow.com/questions/199333/best-way-to-detect-integer-overflow-in-c-c generated when a b overflows the integer limit. I ended up checking for this using code like unsigned long b c c_test ... c_test.. I don't know whether it would be faster than simply checking the result the way you suggested because of the loop in the..
Reading from text file until EOF repeats last line http://stackoverflow.com/questions/21647/reading-from-text-file-until-eof-repeats-last-line 10 20 30 Output 10 20 30 30 Note I've skipped all error checking code to keep the code snippet small. The above behaviour is..
How to implement big int in C++ http://stackoverflow.com/questions/269268/how-to-implement-big-int-in-c double and float and may include int with proper bounds checking and complex assuming it can handle the range . share improve..
Regular cast vs. static_cast vs. dynamic_cast http://stackoverflow.com/questions/28002/regular-cast-vs-static-cast-vs-dynamic-cast
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 doesn't cast through virtual inheritance. It does not do checking however and it is undefined behavior to static_cast down a hierarchy..
Which, if any, C++ compilers do tail-recursion optimization? http://stackoverflow.com/questions/34125/which-if-any-c-compilers-do-tail-recursion-optimization to do it For MSVC O2 or Ox For GCC O2 or O3 How about checking if the compiler has done this in a certain case For MSVC enable.. does this at all by making an infinite recursion and checking if it results in an infinite loop or a stack overflow I did.. will terminate anyway. I'd love to have an easy way of checking this After some testing I discovered that destructors ruin the..
Using arrays or std::vectors in C++, what's the performance gap? http://stackoverflow.com/questions/381621/using-arrays-or-stdvectors-in-c-whats-the-performance-gap the stack is also discouraged because you don't have range checking and passing the array around will loose any information about..
How can I add reflection to a C++ application? http://stackoverflow.com/questions/41453/how-can-i-add-reflection-to-a-c-application and so on. This is not possible with C . Inspection by checking whether a class type class struct union has a method or nested.. tricks . Use boost type_traits for many things like checking whether a type is integral . For checking for the existance.. many things like checking whether a type is integral . For checking for the existance of a member function use http stackoverflow.com..
Why is iostream::eof inside a loop condition considered wrong? http://stackoverflow.com/questions/5605125/why-is-iostreameof-inside-a-loop-condition-considered-wrong while cin n which I guess implicitly checks for EOF why is checking for eof explicitly using iostream eof wrong How is it different..
How to determine CPU and memory consumption from inside a process? http://stackoverflow.com/questions/63166/how-to-determine-cpu-and-memory-consumption-from-inside-a-process I've been only a bit stupid... Note for clarity all error checking has been omitted from the following code. Do check the return..
http://stackoverflow.com/questions/712639/understanding-the-meaning-of-the-term-and-the-concept-raii-resource-acquisiti throw MAYDAY MAYDAY ~FileHandle The only reason we are checking the file pointer for validity is because it might have been..
msvcr90d.dll not found in debug mode http://stackoverflow.com/questions/1150464/msvcr90d-dll-not-found-in-debug-mode it included a reference to this assembly and version. Checking the sxs directory System Drive Windows WinSxS showed that there..
Why do we need to use virtual ~A() = default; instead of virtual ~A() {} in C++11? http://stackoverflow.com/questions/17221668/why-do-we-need-to-use-virtual-a-default-instead-of-virtual-a-in-c1 instead of virtual ~A in C 11 In Stack Overflow post Checking the object type in C 11 I have the comment In C 11 you'll actually..
http://stackoverflow.com/questions/1844005/checking-if-this-is-null if this is null Does it ever make sense to check if this is..
Checking if an iterator is valid http://stackoverflow.com/questions/2062956/checking-if-an-iterator-is-valid if an iterator is valid Is there any way to check if an iterator..
Checking for underflow/overflow in C++? http://stackoverflow.com/questions/2399269/checking-for-underflow-overflow-in-c for underflow overflow in C Is there a general way to check..
Collision detection between two general hexahedrons http://stackoverflow.com/questions/3648285/collision-detection-between-two-general-hexahedrons if the center of either is contained in the other. Checking edge face intersection works like this. Define the edge as vector..
a program to monitor a directory on Linux http://stackoverflow.com/questions/3691739/a-program-to-monitor-a-directory-on-linux or Email . c c perl unix share improve this question Checking for different ls output would send a message even when something..
Checking if two cubic Bézier curves intersect http://stackoverflow.com/questions/4039229/checking-if-two-cubic-bezier-curves-intersect if two cubic Bé zier curves intersect For a personal project..
Detect if program is running with full administrator rights http://stackoverflow.com/questions/4230602/detect-if-program-is-running-with-full-administrator-rights SID Other alternatives are IsUserAnAdmin or AccessCheck Checking the TOKEN_ELEVATION stuff in the token is not required for testing..
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 to toggle a bit. number ^ 1 x That will toggle bit x . Checking a bit You didn't ask for this but I might as well add it. To..
Checking value exist in a std::map - C++ http://stackoverflow.com/questions/535317/checking-value-exist-in-a-stdmap-c value exist in a std map C I know find method finds the supplied..
Testing pointers for validity (C/C++) http://stackoverflow.com/questions/551069/testing-pointers-for-validity-c-c programatically of course if a given pointer is valid Checking for NULL is easy but what about things like 0x00001234 When..
http://stackoverflow.com/questions/5671241/how-does-weak-ptr-work and the weak count drop to zero. Here's the first reason Checking two pointer sized counters atomically is not possible on every..
Checking if a double (or float) is nan in C++ http://stackoverflow.com/questions/570669/checking-if-a-double-or-float-is-nan-in-c if a double or float is nan in C is there an isnan function..
Conversion function for error checking considered good? http://stackoverflow.com/questions/6242296/conversion-function-for-error-checking-considered-good something like this operator bool const return is_valid Checking for it to be valid would be very simple now is my object invalid..
Should function declarations include parameter names? http://stackoverflow.com/questions/7891526/should-function-declarations-include-parameter-names
Problems converting YV12 to RGB through GLSL http://stackoverflow.com/questions/8977489/problems-converting-yv12-to-rgb-through-glsl argc char argv GLuint texObj 100 const char file printf Checking GL_ARB_texture_rectangle n if glutExtensionSupported GL_ARB_texture_rectangle..
Easiest way of using min priority queue with key update in C++ http://stackoverflow.com/questions/9209323/easiest-way-of-using-min-priority-queue-with-key-update-in-c described here . Peeking at the root element is O 1 . Checking if an ID is currently in the heap just requires an O 1 look..
Checking a member exists, possibly in a base class, C++11 version http://stackoverflow.com/questions/9530928/checking-a-member-exists-possibly-in-a-base-class-c11-version a member exists possibly in a base class C 11 version In http..
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