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c++ Programming Glossary: differentWhy isn't sizeof for a struct equal to the sum of sizeof of each member? http://stackoverflow.com/questions/119123/why-isnt-sizeof-for-a-struct-equal-to-the-sum-of-sizeof-of-each-member defined. Therefore each compiler may choose to align data differently resulting in different and incompatible data layouts. For.. compiler may choose to align data differently resulting in different and incompatible data layouts. For this reason when dealing.. reason when dealing with libraries that will be used by different compilers it is important to understand how the compilers align..
What is an undefined reference/unresolved external symbol error and how do I fix it? http://stackoverflow.com/questions/12573816/what-is-an-undefined-reference-unresolved-external-symbol-error-and-how-do-i-fix as if these separate phases occur although in practice different phases might be folded together. The specified errors occur..
What should main() return in C and C++? http://stackoverflow.com/questions/204476/what-should-main-return-in-c-and-c termination according to the C standard. For C the case is different and re entering main is allowed but should probably be avoided...
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
What can I use to profile C++ code in Linux? http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux disprove it. You may have multiple performance problems of different sizes. If you clean out any one of them the remaining ones will.. prior assumption of 60 . Suppose the prior assumptions are different. Suppose we assume P f 0.1 is .991 nearly certain and all the..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c that the size is part of the type that is array types of different size are incompatible types that have absolutely nothing to..
Why is iostream::eof inside a loop condition considered wrong? http://stackoverflow.com/questions/5605125/why-is-iostreameof-inside-a-loop-condition-considered-wrong for eof explicitly using iostream eof wrong How is it different from using scanf ... ... EOF in C which I often use with no..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords create a parse tree out of it. In C the above can yield different parse trees depending on what t means. If it's a type then it.. Dependencies In template declarations some constructs have different meanings depending on what template arguments you use to instantiate.. you use to instantiate the template Expressions may have different types or values variables may have different types or function..
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 of the data manipulated by that program. There are lots of different ways of generating code to manage memory but over time two basic..
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 C90 standard is much more useful than the significantly different C99 standard since C99 hasn't been widely implemented by compilers...
Priority when choosing overloaded template functions in C++ http://stackoverflow.com/questions/1332678/priority-when-choosing-overloaded-template-functions-in-c problem class Base class Derived public Base class Different class X public template typename T static const char func T.. specific... return Specific If I now do Derived derived Different different std cout Derived X func derived std endl std cout.. std cout Derived X func derived std endl std cout Different X func different std endl I get Derived Generic Different Generic..
How to use C++ classes with ctypes? http://stackoverflow.com/questions/1615813/how-to-use-c-classes-with-ctypes binary interface for C in the way that there is for C. Different compilers output different binaries for the same C dynamic libraries..
Different math rounding behaviour between Linux, Mac OS X and Windows http://stackoverflow.com/questions/1961442/different-math-rounding-behaviour-between-linux-mac-os-x-and-windows math rounding behaviour between Linux Mac OS X and Windows ..
Purpose of Unions in C and C++ http://stackoverflow.com/questions/2310483/purpose-of-unions-in-c-and-c different times. That's it. It is like a room in a hotel. Different people use it for non overlapping periods of time. These people..
Static or dynamic linking the CRT, MFC, ATL, etc http://stackoverflow.com/questions/238465/static-or-dynamic-linking-the-crt-mfc-atl-etc 3rd party DLL's which you cannot get as static libraries Different c runtimes between DLL's with independent static linkage no..
How to get printf style compile-time warnings or errors http://stackoverflow.com/questions/3105114/how-to-get-printf-style-compile-time-warnings-or-errors printf typechecking share improve this question Different compilers might implement this functionality differently. In..
parsing of date/time from string (boost?) http://stackoverflow.com/questions/3786201/parsing-of-date-time-from-string-boost appreciated. Input strings with date and optional time. Different representations would be nice but necessary. The strings are..
Is endian conversion required for wchar_t data? http://stackoverflow.com/questions/421530/is-endian-conversion-required-for-wchar-t-data to network byte order Just to add another note of caution. Different systems use different size for wchar_t so do not assume sizeof..
C++ performance challenge: integer to std::string conversion http://stackoverflow.com/questions/4351371/c-performance-challenge-integer-to-stdstring-conversion the output is invalid please point that out. Conclusions Different algorithms perform for g and VC2010 likely due to the different..
http://stackoverflow.com/questions/49046/different-sizeof-results sizeof results Why does n not equal 8 in the following function..
Fastest way to get the integer part of sqrt(n)? http://stackoverflow.com/questions/4930307/fastest-way-to-get-the-integer-part-of-sqrtn it atoi argv 2 assert Sqrt n IntSqrt n Sqrt n FastSqrt n Different Roots std cout sqrt n Sqrt n n double time benchmark Sqrt n..
Performance of built-in types : char vs short vs int vs. float vs. double http://stackoverflow.com/questions/5069489/performance-of-built-in-types-char-vs-short-vs-int-vs-float-vs-double support the performance distinction doesn't matter to you. Different size integer types Typically CPUs are fastest at operating on..
What happens when a computer program runs? http://stackoverflow.com/questions/5162580/what-happens-when-a-computer-program-runs there making system calls as necessary when it needs them. Different systems embedded whatever may have very different architectures..
Multithreaded job queue manager http://stackoverflow.com/questions/565137/multithreaded-job-queue-manager of the user's changes have already invalidated them. Different user changes may invalidate different computations so at any..
Different template syntax for finding if argument is a class or not http://stackoverflow.com/questions/6543652/different-template-syntax-for-finding-if-argument-is-a-class-or-not template syntax for finding if argument is a class or not While..
Is boost shared_ptr <XXX> thread safe? http://stackoverflow.com/questions/692438/is-boost-shared-ptr-xxx-thread-safe only const operations simultaneously by multiple threads. Different shared_ptr instances can be written to accessed using mutable..
How can i estimate memory usage of stl::map? http://stackoverflow.com/questions/720507/how-can-i-estimate-memory-usage-of-stlmap like sizeof A sizeof B N factor But what is the factor Different formula maybe Maybe it's easier to ask for upper bound c memory..
Is this an g++ optimization bug? http://stackoverflow.com/questions/7517588/is-this-an-g-optimization-bug internally whereas double is normally 64 bit wide. Different optimization levels affect how often floating point values from..
Rare cases where MACROs must be used http://stackoverflow.com/questions/8509757/rare-cases-where-macros-must-be-used the next point which is a specialization of the first one Different code with different compilation modes or between different compilers...
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