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c++ Programming Glossary: filehttp://stackoverflow.com/questions/1120140/csv-parser-in-c parser in C All I need is a good CSV file parser for C . At this point it can really just be a comma delimited.. lines of code OK 14 But its only 15 to read the whole file . std vector std string getNextLineAndSplitIntoTokens std istream.. data data.readNextRow str return str int main std ifstream file plop.csv CSVRow row while file row std cout 4th Element row..
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 by the following phases see footnote . Physical source file characters are mapped in an implementation defined manner to.. source lines to form logical source lines. SNIP The source file is decomposed into preprocessing tokens 2.5 and sequences of.. means that you compiled a bunch of implementation files into object files or libraries and now you want to get them..
What is the difference between #include <filename> and #include “filename”? http://stackoverflow.com/questions/21593/what-is-the-difference-between-include-filename-and-include-filename is the difference between #include filename and #include &ldquo filename&rdquo In the C and C programming.. difference between #include filename and #include &ldquo filename&rdquo In the C and C programming languages what is the.. using quotes in an include statement as follows #include filename #include filename c c include preprocessor header files..
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 which are always reserved either for any use or for use as file scope identifiers. All identifiers that begin with an underscore.. underscore are always reserved for use as identifiers with file scope in both the ordinary and tag name spaces. Each macro name.. with external linkage. 154 Each identifier with file scope listed in any of the following subclauses including the..
What are all the common undefined behaviour that a C++ programmer should know about? [closed] http://stackoverflow.com/questions/367633/what-are-all-the-common-undefined-behaviour-that-a-c-programmer-should-know-ab been constructed or have already been destructed Source file and Preprocessing A non empty source file that doesn't end with.. Source file and Preprocessing A non empty source file that doesn't end with a newline or ends with a backslash prior..
http://stackoverflow.com/questions/3749099/why-should-the-implementation-and-the-declaration-of-a-template-class-be-in-the the declaration of a template class be in the same header file duplicate This question already has an answer here Why can.. here Why can templates only be implemented in the header file 9 answers Why should the implementation and the declaration.. the declaration of a template class be in the same header file Could any of you explain it by example c templates share..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three Some resources cannot or should not be copied such as file handles or mutexes. In that case simply declare the copy constructor..
Why can templates only be implemented in the header file? http://stackoverflow.com/questions/495021/why-can-templates-only-be-implemented-in-the-header-file can templates only be implemented in the header file Quote from The C standard library a tutorial and handbook The.. templates at the moment is to implement them in header files by using inline functions. Why is this c templates c faq .. to this is to write the template declaration in a header file then implement the class in an implementation file for example..
When to use forward declaration? http://stackoverflow.com/questions/553682/when-to-use-forward-declaration forward declaration of a class in another class's header file Am I allowed to do it for a base class for a class held as a..
Why is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array from Wikimedia Commons http commons.wikimedia.org wiki File Entroncamento_do_Transpraia.JPG Now for the sake of argument..
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c A simple and perhaps overused example of RAII is a File class. Without RAII the code might look something like this.. Without RAII the code might look something like this File file path to file Do stuff with file file.close In other words.. with it. This has two drawbacks firstly wherever we use File we will have to called File close if we forget to do this we're..
Getting a FILE* from a std::fstream http://stackoverflow.com/questions/109449/getting-a-file-from-a-stdfstream a FILE from a std fstream Is there a cross platform way to get a C.. a std fstream Is there a cross platform way to get a C FILE handle from a C std fstream The reason I ask is because my C.. function I'd like to use a C library that accepts a FILE . c c file file io fstream share improve this question ..
Capturing stdout from a system() command optimally http://stackoverflow.com/questions/125828/capturing-stdout-from-a-system-command-optimally this question From the popen manual #include stdio.h FILE popen const char command const char type int pclose FILE stream..
http://stackoverflow.com/questions/2979209/using-fflushstdin stream. This is an excerpt from the C standard int fflush FILE ostream ostream points to an output stream or an update stream..
How to execute a command and get output of command within C++? http://stackoverflow.com/questions/478898/how-to-execute-a-command-and-get-output-of-command-within-c iostream #include stdio.h std string exec char cmd FILE pipe popen cmd r if pipe return ERROR char buffer 128 std string..
http://stackoverflow.com/questions/58210/c-smtp-example r n #define QUIT QUIT r n #define h_addr h_addr_list 0 FILE fin int sock struct sockaddr_in server struct hostent hp gethostbyname..
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 static HANDLE self void init SYSTEM_INFO sysInfo FILETIME ftime fsys fuser GetSystemInfo &sysInfo numProcessors sysInfo.dwNumberOfProcessors.. &ftime memcpy &lastCPU &ftime sizeof FILETIME self GetCurrentProcess GetProcessTimes self &ftime &ftime.. &ftime &ftime &fsys &fuser memcpy &lastSysCPU &fsys sizeof FILETIME memcpy &lastUserCPU &fuser sizeof FILETIME double getCurrentValue..
http://stackoverflow.com/questions/712639/understanding-the-meaning-of-the-term-and-the-concept-raii-resource-acquisiti FileHandle class employing RAII class FileHandle FILE file public explicit FileHandle const char name file fopen..
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 are typically relatively expensive. However since the FILE based stdio and iostreams often have separate implementations..
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