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augmented assignments
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This subchapter looks at augmented assignments.
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This subchapter looks at augmented assignments.
free computer programming text book projecttable of contents
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This subchapter looks at augmented assignments.
Stanford CS Education Library This [the following section until marked as end of Stanford University items] is document #101, Essential C, in the Stanford CS Education Library. This and other educational materials are available for free at http://cslibrary.stanford.edu/. This article is free to be used, reproduced, excerpted, retransmitted, or sold so long as this notice is clearly reproduced at its beginning. Copyright 1996-2003, Nick Parlante, nick.parlante@cs.stanford.edu.
In addition to the plain = operator, C includes many shorthand operators which represents variations on the basic =. For example “+=” adds the right hand side to the left hand side. x = x + 10; can be reduced to x += 10;. This is most useful if x is a long expression such as the following, and in some cases it may run a little faster.
person->relatives.mom.numChildren += 2; // increase children by 2
Here’s the list of assignment shorthand operators…
+=, -= Increment or decrement by RHS *=, /= Multiply or divide by RHS %= Mod by RHS >>= Bitwise right shift by RHS (divide by power of 2) <<= Bitwise left shift RHS (multiply by power of 2) &=, |=, ^= Bitwise and, or, xor by RHS
Stanford CS Education Library This [the above section] is document #101, Essential C, in the Stanford CS Education Library. This and other educational materials are available for free at http://cslibrary.stanford.edu/. This article is free to be used, reproduced, excerpted, retransmitted, or sold so long as this notice is clearly reproduced at its beginning. Copyright 1996-2003, Nick Parlante, nick.parlante@cs.stanford.edu.
Coding example: I am making heavily documented and explained open source code for a method to play music for free — almost any song, no subscription fees, no download costs, no advertisements, all completely legal. This is done by building a front-end to YouTube (which checks the copyright permissions for you).
View music player in action: www.musicinpublic.com/.
Create your own copy from the original source code/ (presented for learning programming).
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Because I no longer have the computer and software to make PDFs, the book is available as an HTML file, which you can convert into a PDF.
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free computer programming text book projectBuilding a free downloadable text book on computer programming for university, college, community college, and high school classes in computer programming. If you like the idea of this project, Supporting the entire project: If you have a business or organization that can support the entire cost of this project, please contact Pr Ntr Kmt (my church) free downloadable college text book on computer programming. |
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Copyright © 2010, 2011 Milo
Created: March 23, 2011
Last Updated: March 23, 2011
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