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IITian venturing thro' the mysteries of technology .
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With regard to C++ books, I'll just echo the advice here .The following books are recommended; read them in mostly the order listed." Accelerated C++ " Andrew Koenig & Barbara Moo " The C++ Standard Library " Nicolai Josuttis --- a "must have" " Effective C++ ", " More Effective … |
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We have two ways 2 access files . Open and its friends and mmap system call . When to use mmap() and what are its advantages? |
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I would like to implement a text editor . In the design process i have some doubts . Take a text editor like a notepad . We we will able to move directly to any point in the editor which means that a random access is made possible . I … |
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Why is the constructor called from top to bottom rather than bottom to top ???? |
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Hi frenz , I came across get_user_pages() function . I found that this function is used when the there is no need of kernel buffering (buffer cache ) so the data from the device is directly placed in the userspace . But still i dnt know when and how to … |
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I read that the initialisation of the vptr is done by the default constructor automatically . What happens when u provide implementation for the default constructor . Is the initialisation code added automatically ??? |
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[CODE=c++] class A { int num; public: A() {} A(int _num) : num(_num) {} A operator + (const A & ob) { return (num+ ob.num); } }; int main() { A ob1(1); A ob2(2); A ob3(3); A ob4=ob1+ob2+ob3; } My doubt is in ob1+ob2+ob3 . First ob1+ob2 is evaluated and … |
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İs it possible now to use a system call in module programming ? after I "make" the module below I am getting warnings like that no errors WARNING: "sys_getcwd" [/home....mod/mod01/mod01.ko] undefined! [code] /* * hello-5.c - Demonstrates command line argument passing to a module. */ #include <linux/module.h> #include <linux/moduleparam.h> #include … |