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c++ Programming Glossary: linesWhat is a “translation unit” in C++ http://stackoverflow.com/questions/1106149/what-is-a-translation-unit-in-c files directly or indirectly included by it minus those lines that were ignored using conditional preprocessing statements...
http://stackoverflow.com/questions/1120140/csv-parser-in-c a comma delimited parser ie don't worry about escaping new lines and commas . The main need is a line by line parser that will.. If you can't escape then... then its only about three lines of code OK 14 But its only 15 to read the whole file . std vector..
Storing C++ template function definitions in a .CPP file http://stackoverflow.com/questions/115703/storing-c-template-function-definitions-in-a-cpp-file void foo do std string const std string Note the last two lines the foo do template function is only used with ints and std..
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 a new line character is deleted splicing physical source lines to form logical source lines. SNIP The source file is decomposed.. splicing physical source lines to form logical source lines. SNIP The source file is decomposed into preprocessing tokens..
Why use iterators instead of array indices? http://stackoverflow.com/questions/131241/why-use-iterators-instead-of-array-indices iterators instead of array indices Take the following two lines of code for int i 0 i some_vector.size i do stuff And this for..
Most effective way for float and double comparison http://stackoverflow.com/questions/17333/most-effective-way-for-float-and-double-comparison that if a b and b c then a c . Using the same epsilon for lines measured in inches and lines measured in mils .001 inch . That.. . Using the same epsilon for lines measured in inches and lines measured in mils .001 inch . That is a b but 1000a 1000b . This.. epsilon for both the cosine of angles and the length of lines Using such a compare function to sort items in a collection...
Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it? http://stackoverflow.com/questions/2611246/is-for-faster-than-while-true-if-not-why-do-people-use-it be much clearer to say while true or something along those lines I'm guessing that as is the reason for many a programmer to..
How to use Boost in Visual Studio 2010 http://stackoverflow.com/questions/2629421/how-to-use-boost-in-visual-studio-2010 resulted from running bootstrap. Add in the following two lines adjusting as appropriate for your Python installation paths..
Regular cast vs. static_cast vs. dynamic_cast http://stackoverflow.com/questions/28002/regular-cast-vs-static-cast-vs-dynamic-cast difference. What's the difference between the following lines of code MyClass m MyClass ptr MyClass m static_cast MyClass..
http://stackoverflow.com/questions/3106110/what-is-move-semantics We call expressions such as x lvalues . The arguments in lines 2 and 3 are not lvalues but rvalues because the underlying string..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom a terrible thing. In our case the core of it is only two lines the allocation and the copy but with more complex resources..
http://stackoverflow.com/questions/356950/c-functors-and-their-uses value. This makes them nicely customizable. As the last lines show you often pass functors as arguments to other functions..
Testing stream.good() or !stream.eof() reads last line twice [duplicate] http://stackoverflow.com/questions/4324441/testing-stream-good-or-stream-eof-reads-last-line-twice throw SomeException use foo To read and process all lines for std string line getline stream line process line Pointedly..
Vim and Ctags tips and tricks [closed] http://stackoverflow.com/questions/563616/vim-and-ctags-tips-and-tricks C W C Open the definition in a horizontal split Add these lines in vimrc map C tab split CR exec tag .expand cword CR map A..
Executing cv::warpPerspective for a fake deskewing on a set of cv::Point http://stackoverflow.com/questions/7838487/executing-cvwarpperspective-for-a-fake-deskewing-on-a-set-of-cvpoint Point 1912 291 For debugging purposes draw green lines connecting those points and save it on disk const Point point.. 0 int n int not_a_rect_shape.size Mat draw src.clone polylines draw point n 1 true Scalar 0 255 0 3 CV_AA imwrite draw.jpg.. Point 1912 291 For debugging purposes draw green lines connecting those points and save it on disk const Point point..
http://stackoverflow.com/questions/1567866/visual-studio-2008-c-memory-leak-detection-not-showing-file-method-location _CRTDBG_MAP_ALLOC #include stdlib.h #include crtdbg.h Lines at the top of a file the cpp file that contains WINAPI _tWinMain..
Reading from a large text file into a structure array in Qt? http://stackoverflow.com/questions/18584739/reading-from-a-large-text-file-into-a-structure-array-in-qt MyStruct MyArray QString StringData Data QStringList Lines StringData.split n or whatever new line character is for int.. n or whatever new line character is for int i 0 i Lines.count i String Line Lines.at i QStringList Parts Line.split.. line character is for int i 0 i Lines.count i String Line Lines.at i QStringList Parts Line.split t or whatever separator character..
Iterate Over Struct; Easily Display Struct Fields And Values In a RichEdit Box http://stackoverflow.com/questions/1878285/iterate-over-struct-easily-display-struct-fields-and-values-in-a-richedit-box doing now AnsiString s s IntToStr wfc.fontColor RichEdit1 Lines Append s etc... Is there an easier way than having to individually.. Ctrl template typename T void operator T t const m_Ctrl.Lines.Append boost lexical_cast std string t RichEditControl m_Ctrl..
How to prepend to a file (add at the top) http://stackoverflow.com/questions/5500522/how-to-prepend-to-a-file-add-at-the-top no need to work with an extra file. You can just do writeLines c header readLines File File Yet using the linux shell seems.. an extra file. You can just do writeLines c header readLines File File Yet using the linux shell seems the most optimal solution.. since you have to read in the complete file first. Example Lines c First line Second line Third line File test.txt header A line..
http://stackoverflow.com/questions/551082/c-read-lines-from-file Read Lines from File I'm learning File Handling in C but there is a problem..
C++ When should we prefer to use a two chained static_cast over reinterpret_cast http://stackoverflow.com/questions/6594395/c-when-should-we-prefer-to-use-a-two-chained-static-cast-over-reinterpret-cast reinterpret_cast uint32_t array_of_4_bytes_B or somesuch. Lines like this invite scrutiny and demand comments. Otherwise if..
How can I end a Lua thread cleanly? http://stackoverflow.com/questions/862256/how-can-i-end-a-lua-thread-cleanly LUA_HOOKLINE if ms_quit true luaL_error L Too Many Lines Error ... lua_State Lua lua_open char code Initialisation code..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python a fast disk. Here's the complete table now Implementation Lines per second cin default 819 672 python 3 571 428 cin no sync..
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