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c++ Programming Glossary: bigDetecting endianness programmatically in a C++ program http://stackoverflow.com/questions/1001307/detecting-endianness-programmatically-in-a-c-program a programmatic way to detect whether or not you are on a big endian or little endian architecture I need to be able to write.. by compiler. That's exactly what unions are for int is_big_endian void union uint32_t i char c 4 bint 0x01020304 return..
How do I convert between big-endian and little-endian values in C++? http://stackoverflow.com/questions/105252/how-do-i-convert-between-big-endian-and-little-endian-values-in-c do I convert between big endian and little endian values in C How do I convert between.. and little endian values in C How do I convert between big endian and little endian values in C EDIT For clarity I have.. machines byte order. You can get little endian floats on big endian machines and vice versa. Other compilers have similar..
How do malloc() and free() work? http://stackoverflow.com/questions/1119134/how-do-malloc-and-free-work as the virtual memory is finished you will be in really big trouble. The other reason of course is that the OS can only.. for new memory from the OS. When a chunk is found that is bigger then the needed memory it is just divided into two parts...
http://stackoverflow.com/questions/1647631/c-state-machine-design OSI layered model and protocols for embedded systems. It's big advantage was its simplicity and relative ease in changing the..
What are the Complexity guarantees of the standard containers? http://stackoverflow.com/questions/181693/what-are-the-complexity-guarantees-of-the-standard-containers O n InEquality O n Element Access O 1 c stl containers big o share improve this question Start here STL Complexity..
In what cases do I use malloc vs new? http://stackoverflow.com/questions/184537/in-what-cases-do-i-use-malloc-vs-new should never use malloc . Always use new. If you need a big chunk of data just do something like char pBuffer new char 1024..
How to implement big int in C++ http://stackoverflow.com/questions/269268/how-to-implement-big-int-in-c to implement big int in C I'd like to implement a big int class in C as a programming.. to implement big int in C I'd like to implement a big int class in C as a programming exercise. A class that can handle.. as a programming exercise. A class that can handle numbers bigger then a long int. I know that there are several open source..
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 it works on any program and it seems to work better on bigger programs because they tend to have more problems to find... tell us accurately what the cost is only that it is big enough to be worth fixing. Yet another way to look at it is..
What is the bit size of long on 64-bit Windows? http://stackoverflow.com/questions/384502/what-is-the-bit-size-of-long-on-64-bit-windows int64_t 64 bit integers uintptr_t unsigned integers big enough to hold pointers intmax_t biggest size of integer on.. unsigned integers big enough to hold pointers intmax_t biggest size of integer on the platform might be larger than int64_t..
What does T&& (double ampersand) mean in C++11? http://stackoverflow.com/questions/5481539/what-does-t-double-ampersand-mean-in-c11 rvalue references c 0x features in vc10 part 2.aspx . The biggest difference between a C 03 reference now called an lvalue.. ptr other.ptr other.length 0 other.ptr nullptr Notice the big difference here the move constructor actually modifies its argument...
Vim and Ctags tips and tricks [closed] http://stackoverflow.com/questions/563616/vim-and-ctags-tips-and-tricks How do you enhance your programming experience for both big and small projects c linux vim ctags vim macros share improve..
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 might even find that a neighbouring address has a rather big house set up on it that occupies three address Main Street 1.. in basic terms just a number. If you think of memory as a big array of bytes the very first byte has the address 0 the next..
How can I get a list of files in a directory using C or C++? http://stackoverflow.com/questions/612097/how-can-i-get-a-list-of-files-in-a-directory-using-c-or-c and does most of the simple stuff you need without using a big template based approach like boost no offence I like boost ...
C++: What is the size of an object of an empty class? http://stackoverflow.com/questions/621616/c-what-is-the-size-of-an-object-of-an-empty-class reference and point to it like any other object. But how big is such an object I used this small program #include iostream..
Future proofing a large UI Application - MFC with 2008 Feature pack, or C# and Winforms? http://stackoverflow.com/questions/10901/future-proofing-a-large-ui-application-mfc-with-2008-feature-pack-or-c-sharp risk and uncertainty as we could which meant avoiding The Big Rewrite. As we all know TBR fails most of the time. So we chose..
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513? http://stackoverflow.com/questions/11413855/why-is-transposing-a-matrix-of-512x512-much-slower-than-transposing-a-matrix-of 2^n 1 . For small values of n the difference is not major. Big differences occur however over a value of 512. at least for..
TCP socket Transfer data from PC to android device (Android NDK) http://stackoverflow.com/questions/11872405/tcp-socket-transfer-data-from-pc-to-android-device-android-ndk struct s_addr and sin_port are in Network Byte Order Big Endian Since Intel CPUs use Host Byte Order Little Endian conversion..
http://stackoverflow.com/questions/12988099/big-numbers-library-in-c numbers library in c I'm doing a project which requires really.. I have read that java supports big integers java.Math.BigInteger and I want to know if there is something like that in..
Exception to the Rule of Three? http://stackoverflow.com/questions/15557406/exception-to-the-rule-of-three here. So the rest is easy right No resource management no Big Three no problem. Wrong The default implicit copy constructor..
http://stackoverflow.com/questions/17925051/fast-textfile-reading-in-c edit 4 So apparently there are some things I can to. Big thank you to sehe for putting so much time into this I appreciate..
Checklist for writing copy constructor and assignment operator in C++ http://stackoverflow.com/questions/214891/checklist-for-writing-copy-constructor-and-assignment-operator-in-c This rule can be refined see for instance The Law of The Big Two I'd also recommend to have a look at C FAQ lite regarding..
multiset, map and hash map complexity http://stackoverflow.com/questions/222658/multiset-map-and-hash-map-complexity Hallo everybody I would like to know the complexity in Big O notation of the STL multiset map and hash map classes when..
http://stackoverflow.com/questions/238343/big-number-in-c number in C Hey I am trying to place a big number in a C variable... constant was too big. I then tried a bigInt library called BigInt http mattmccutchen.net bigint The problem is I can't compile.. get many errors regarding the lib. undefined reference to `BigInteger BigInteger int ' lot's of these. Here is my code so far..
C++0x - export gone, exception specs deprecated. Will this affect your code? [closed] http://stackoverflow.com/questions/2441886/c0x-export-gone-exception-specs-deprecated-will-this-affect-your-code from Hades was going into the spec he said there was a Big Player whose experts resolutely insisted that it had to go into..
C++: how to cast 2 bytes in an array to an unsigned short http://stackoverflow.com/questions/300808/c-how-to-cast-2-bytes-in-an-array-to-an-unsigned-short char. This will be on windows only so there are no Big Little Endian issues that I am aware of . Here is what I have..
Is there any “standard” htonl-like function for 64 bits integers in C++? http://stackoverflow.com/questions/3022552/is-there-any-standard-htonl-like-function-for-64-bits-integers-in-c For example int num 42 if char num 42 Little Endian else Big Endian Knowing this you could also make a simple function that..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom a wrapper like a smart pointer needs to implement The Big Three . While the goals and implementation of the copy constructor.. operator and destructor it should really be called The Big Three and A Half any time your class manages a resource it also..
Data Structures… so how do I understand them? [closed] http://stackoverflow.com/questions/3345611/data-structures-so-how-do-i-understand-them then the harder Data Structures came around and the theory Big O became the difficult part. All in all it was a great experience..
Convert big endian to little endian when reading from a binary file [duplicate] http://stackoverflow.com/questions/3823921/convert-big-endian-to-little-endian-when-reading-from-a-binary-file sizeof double cout i_var d_var endl return 0 Solved So Big endian VS Little endian is just a reverse order of the bytes...
OpenMP: Huge performance differences between Visual C++ 2008 and 2010 http://stackoverflow.com/questions/4738045/openmp-huge-performance-differences-between-visual-c-2008-and-2010 2010 is mandatory for me so I cannot just stick with 2008. Big thanks STATUS UPDATE Using new concurrency framework as suggested..
What is the best way to learn C++ if I have a bit of other programming experience? http://stackoverflow.com/questions/554847/what-is-the-best-way-to-learn-c-if-i-have-a-bit-of-other-programming-experienc in library science. Learning the CS fundamentals such as Big O notation and basics such as binary trees and linked lists..
Switch from Microsofts STL to STLport http://stackoverflow.com/questions/604050/switch-from-microsofts-stl-to-stlport and appropriate container selection especially considering Big O costs are far more likely to bring greater returns in performance...
Handle arbitrary length integers in C++ http://stackoverflow.com/questions/8146938/handle-arbitrary-length-integers-in-c integers ttmath Int 2 a b c and floating points ttmath Big 1 2 a b c both. Just treat these like high precision int float..
Over the last 7-8 years what are the biggest influences on C++ programming? http://stackoverflow.com/questions/1245430/over-the-last-7-8-years-what-are-the-biggest-influences-on-c-programming What are the new developments in the C world What are the BIG things technologies books frameworks libraries etc Over the..
How to manage endianess of double from network http://stackoverflow.com/questions/15079463/how-to-manage-endianess-of-double-from-network to manage endianess of double from network I have a BIG problem with the answer to this question Swap bits in c for..
Isn't return value optimization (RVO) a bug? http://stackoverflow.com/questions/3905869/isnt-return-value-optimization-rvo-a-bug optimization level. What if there was actually something BIG happenning in a constructor I know it shouldn't but what if..
Qt place new window correctly on screen, center over mouse, move into screen http://stackoverflow.com/questions/5417201/qt-place-new-window-correctly-on-screen-center-over-mouse-move-into-screen about it. If I may be permitted to quote from my own code BIG PAIN We want to get the dialog box to caluclate its own size...
What's faster, iterating an STL vector with vector::iterator or with at()? http://stackoverflow.com/questions/776624/whats-faster-iterating-an-stl-vector-with-vectoriterator-or-with-at #include ctime using namespace std int main const int BIG 20000000 vector int v for int i 0 i BIG i v.push_back i int.. int main const int BIG 20000000 vector int v for int i 0 i BIG i v.push_back i int now time 0 cout start endl int n 0 for vector..
Handle arbitrary length integers in C++ http://stackoverflow.com/questions/8146938/handle-arbitrary-length-integers-in-c might be derived ttmath seemed promising compiled some BIG example programs and ran after some fixes because of compiling.. the same. This is the source code i used i used a VERY BIG number for the integer size just to test i didn't actually bothered..
http://stackoverflow.com/questions/901907/how-to-use-typelists it the sizes of executables in DEBUG versions tend to be BIG my record was 35 MB or so . Also there was a bit of hit on the..
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