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c++ Programming Glossary: setsC/C++ initialization of a normal array with one default value http://stackoverflow.com/questions/1065774/c-c-initialization-of-a-normal-array-with-one-default-value values. The code int array 100 0 works just fine and sets each element to 0. What am I missing here.. Can't one initialize..
C++ convert hex string to signed integer http://stackoverflow.com/questions/1070497/c-convert-hex-string-to-signed-integer well with hex strings. The above solution which manually sets the input stream to hex will handle it just fine. Boost has..
http://stackoverflow.com/questions/11004273/what-is-stdpromise have a single thread which does several calculations and sets a result on each promise. async would only allow you to return..
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 I'm gonna narrow it down here. A cache is organized in sets and lines . At a time only one set is used out of which any.. mirrored in with the formula set address lineSize numberOfsets This sort of formula is gives ideally uniform distribution across.. formula is gives ideally uniform distribution across the sets because each memory address is as likely to be read I said ideally..
static constructors in C++? need to initialize private static objects http://stackoverflow.com/questions/1197106/static-constructors-in-c-need-to-initialize-private-static-objects that will run before I make any instances of the class and sets up the static data members of the class. It only gets run once..
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 Standard 17.4.3.2.1 Global names lib.global.names Certain sets of names and function signatures are always reserved to the..
Dynamically allocating an array of objects http://stackoverflow.com/questions/255612/dynamically-allocating-an-array-of-objects operator should work . std vector has clear which sets a specific state without needing to know the current state...
http://stackoverflow.com/questions/2848087/how-to-clear-stringstream is that the first reaches the end of the string and sets the eof bit although it successfully parses the first short...
Alternative virtual mechanism implementations? http://stackoverflow.com/questions/4352032/alternative-virtual-mechanism-implementations of these semantics complex mixin objects lead to massive sets of vtables being generated large objects and slow object initialisation...
http://stackoverflow.com/questions/45972/mmap-vs-reading-blocks potentially be 100GB or more in size. The files contain sets of variable length records. I've got a first implementation..
Is there a C pre-processor which eliminates #ifdef blocks based on values defined/undefined? http://stackoverflow.com/questions/525283/is-there-a-c-pre-processor-which-eliminates-ifdef-blocks-based-on-values-define I would much prefer it to include parentheses around the sets of ' ' conditions as in the original #if defined A defined B..
How can I create cartesian product of vector of vectors? http://stackoverflow.com/questions/5279051/how-can-i-create-cartesian-product-of-vector-of-vectors vi return vvi just for the sample print the data sets std ostream operator std ostream os const Vi vi os std copy..
Finding duplicates in O(n) time and O(1) space http://stackoverflow.com/questions/5739024/finding-duplicates-in-on-time-and-o1-space only occurs if there is an i such that A i i and each swap sets at least one element such that A i i where that wasn't true..
http://stackoverflow.com/questions/5854581/polymorphism-in-c class virtual dispatch 1 SFINAE effectively allows several sets of expectations. For example you might encode that when the..
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 to find all possible subsets of a given array I want to extract all possible sub sets of.. of a given array I want to extract all possible sub sets of an array in C# or C and then calculate the sum of all the.. belong to that subset. Therefore are 2^N possible subsets if you include the original and empty sets and there is a direct..
Uses for multiple levels of pointer dereferences? http://stackoverflow.com/questions/758673/uses-for-multiple-levels-of-pointer-dereferences We want to have a way to browse all of the different sets of environment variables as seen by each subprocess. to do that..
What is the closest thing windows has to fork()? http://stackoverflow.com/questions/985281/what-is-the-closest-thing-windows-has-to-fork parent process calls setjmp to save its own context and sets a pointer to this in a Cygwin shared memory area shared among.. and longjumps using the saved jump buffer. The child then sets the mutex the parent is waiting on and blocks on another mutex...
Visual Studio Character Sets 'Not set' vs 'Multi byte character set' http://stackoverflow.com/questions/17742379/visual-studio-character-sets-not-set-vs-multi-byte-character-set Studio Character Sets 'Not set' vs 'Multi byte character set' I've working with a..
How do you initialise a dynamic array in C++? http://stackoverflow.com/questions/2029651/how-do-you-initialise-a-dynamic-array-in-c equivalent of this static array initialisation char c 2 Sets all members to ' 0' In other words create a dynamic array with..
Problem to Decode H264 video over RTP with ffmpeg (libavcodec) http://stackoverflow.com/questions/3493742/problem-to-decode-h264-video-over-rtp-with-ffmpeg-libavcodec ProfileIDC ProfileIOP LevelIDC SPS Sequence Parameter Sets PPS Picture Parameter Sets All this data is sent in RTSP session.. LevelIDC SPS Sequence Parameter Sets PPS Picture Parameter Sets All this data is sent in RTSP session in SDP under the fields..
http://stackoverflow.com/questions/3596622/negative-nan-is-not-a-nan team had turned on ffast math . From the docs ffast math Sets fno math errno funsafe math optimizations fno trapping math..
In C++ is there a way to go to a specific line in a text file? http://stackoverflow.com/questions/5207550/in-c-is-there-a-way-to-go-to-a-specific-line-in-a-text-file std numeric_limits std streamsize max ' n' return file Sets the seek pointer of file to the beginning of line num . Testing..
http://stackoverflow.com/questions/618332/c-extended-ascii-characters Positively Must Know About Unicode and Character Sets No Excuses . Other than that what's wrong with iterating over..
How to set the don't fragment (DF) flag on a socket? http://stackoverflow.com/questions/973439/how-to-set-the-dont-fragment-df-flag-on-a-socket get set From this excellent page here IP_MTU_DISCOVER Sets or receives the Path MTU Discovery setting for a socket. When..
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