By Alan Ezust, Paul Ezust
Research C++, styles, and Qt four Cross-Platform DevelopmentMaster C++ and layout styles jointly, utilizing the world's prime open resource framework for cross-platform improvement: Qt four. An advent to layout styles in C++ with Qt four is a whole instructional and reference that assumes no earlier wisdom of C, C++, gadgets, or styles. you are going to stroll via each middle notion, one step at a time, studying via an intensive number of Qt 4.1-tested examples and routines. by the point you are performed, you will be developing multithreaded GUI functions that entry databases and manage XML files--applications that run on structures together with home windows, Linux, Unix, and Mac OS X. better of all, you will be writing code that is effective, reusable, and chic. research items speedy: periods, inheritance, polymorphism, and extra grasp strong layout styles notice effective high-level programming strategies utilizing libraries, generics, and boxes construct graphical purposes utilizing Qt widgets, versions, and perspectives research complex concepts starting from multithreading to reflective programming Use Qt's integrated periods for getting access to MySQL info encompasses a whole C++ language reference
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Additional resources for An Introduction to Design Patterns in C++ with Qt 4 (Bruce Perens Open Source)
31 The Keyword const . . . . . . . . . 34 Pointers and Memory Access . . . . . 36 const* and *const . . . . . . . . . . 40 Reference Variables . . . . . . . . . ” It enhances C by adding several higher-level features such as strong typing, data abstraction, references, operator and function overloading, and considerable support for objectoriented programming. C++ retains the key features that have made C such a popular and successful language: speed, efficiency, and a wide range of expressiveness that allows programming at many levels, from the lowest (such as direct operating system calls or bitwise operations) to the highest level (manipulating large complex objects or graphs of objects).
89) ; int i(2), j(5), k(7); x += y ; z *= x ; cout << "x = " << x << "\tz = " << z << "\nx - z = " << x - z << endl ; Integer division is handled as a special case. The result of dividing one int by another produces an int quotient and an int remainder. The operator / is used to obtain the quotient. The operator % (called the modulus operator) is used to obtain the remainder. 10 shows the use of these integer arithmetic operators. 8 C++ SIMPLE TYPES 27 E X A M P L E 1 . cpp [ . . ] cout << "k / i = " << k / i << "\tk % j = " << cout << "i = " << i << "\tj cout << "++k / i = " << ++k cout << "i = " << i << "\tj cout << "i * j-- = " << i * cout << "i = " << i << "\tj k % = " / i = " j-= " j << endl ; << j << "\tk = " << k << endl; << endl; << j << "\tk = " << k << endl; << endl; << j << "\tk = " << k << endl; Mixed expressions, if valid, generally produce results that are of the widest of the argument types.
7 Setup: Win32 . . . . . . . . . . . . 12 C++ First Example . . . . . . . . . . 12 Input and Output . . . . . . . . . . 16 Identifiers, Types, and Literals . . . . . 19 C++ Simple Types . . . . . . . . . . 22 C++ Standard Library Strings . . . . . 30 Streams . . . . . . . . . . . . . . . 31 The Keyword const . . . . . . . . . 34 Pointers and Memory Access . . . . . 36 const* and *const . . . . . . . .
An Introduction to Design Patterns in C++ with Qt 4 (Bruce Perens Open Source) by Alan Ezust, Paul Ezust