Download e-book for iPad: C++ Standard Library Practical Tips by Greg Reese

By Greg Reese

C++ usual Library useful information teaches starting and skilled programmers find out how to use the traditional Library and its significant part the normal Template Library (STL) successfully in regimen programming chores. The e-book offers a hundred quickly, easy-to-use information and suggestions to universal programming difficulties similar to utilizing definitely the right box, getting a C-style array from a vector, initializing a map with detailed values, and computing the suggest, median, and mode. The recommendations are grouped by means of subject matters together with, lists, deques, vectors, textual content processing, numerical algorithms, numerical processing, and packing containers so programmers can fast search for an answer once they come across an issue. to illustrate using the ideas in sensible program, the ebook concludes with a capstone venture approximately electronic photo processing and, specifically, photograph enhancement. This software indicates the facility of the normal Library because it graphically illustrates how quite a few traces of ordinary Library code can produce significant alterations within the visual appeal of a picture.

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After those, put an exception handler to the base class. This will catch the base class and any derived classes that you didn’t catch separately. If you put the handler for the base class first, the handler will catch all exceptions of the base class and derived classes and your individual catch blocks will never be activated. If your catch block will be receiving classes, you should make the argument to the block be a reference or pointer to the class. This will prevent slicing, the removal of derived-class material when a derived-class object is assigned to a base-class object.

Common numerical constants Floating-point complex numbers Random number generator, conversion between numbers and C-strings Inner product, sum of elements, running sum, adjacent difference Arrays of numerical values Input/Output This part of the library provides the fundamental I/O system for the language, such as the standard input and output streams cin and cout. Because the stream system is so well designed, virtually identical code produces formatted input and output regardless of the source and destination of a stream.

Review of the Standard Template Library 35 A forward iterator is a combination of an input and output iterator and has all the capabilities of an input iterator and almost all of an output iterator. (The difference between the output capabilities of a forward iterator and that of the output iterator is that you can always write to an output iterator. ) You can access elements of a forward iterator more than once. Forward iterators are good for use with multipass algorithms, that is, algorithms that use iterators to pass through a sequence more than one time.

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