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Articles related to constants

Constant Variables - Ruby - About.com
Constants aren't usually sitting around as local variables unless their usage is really that limited. Typically, they're in the class scope, meaning all class and ...
http://ruby.about.com/od/variables/a/Constant-Variables.htm
Constants in Ruby - About.com
Like just about every programming language every conceived, Ruby supports constants. A constant is a variable whose value cannot be changed. However, in  ...
http://ruby.about.com/od/advancedruby/a/Constants-In-Ruby.htm
Key and Button Constants - Ruby - About.com
There are also similar constants for mouse buttons. You'll mainly be using the Gosu::MsLeft and Gosu::MsRight for left and right click. There is also support for ...
http://ruby.about.com/od/gosugme/ss/Mouse-And-Keyboard-Input-In-Gosu_2.htm
Java Syntax - Declaring and Using Constants in Java - About.com
As with normal variables you want to limit the scope of constants to where they are used. If the value of the constant is only needed in a method then declare it ...
http://java.about.com/od/understandingdatatypes/a/Using-Constants.htm
Understanding Typed Constants in Delphi - About.com
Typed constants can be compared to initialized variables-variables whose values are defined on entry to their block (usually event handler). Such a variable is ...
http://delphi.about.com/od/beginners/a/typedconstant.htm
Table of Commonly Used Physical Constants - Chemistry - About.com
Jun 9, 2014 ... Need a value for a fundamental physical constant? This handy reference table contains commonly used physical constants used in chemistry.
http://chemistry.about.com/od/chartstables/a/constanttable.htm
Constants Provided in Python's String Module - About Python
Python's string module provides many helpful constants that you can use in your programming. Here is each of the constants and a brief description of each.
http://python.about.com/od/pythonstandardlibrary/a/string-mod-1.htm
Fundamental Physical Constants in Physics - About.com
A list of the fundamental physical constants used in physics problems.
http://physics.about.com/od/toolsofthetrade/a/constants1.htm
Static Fields - What Is a Static Constant? - Java - About.com
There can be times when it's useful to have values that are shared across all instances of a particular class. Static fields and static constants enable this to ...
http://java.about.com/od/workingwithobjects/a/staticfields.htm
Physical Constants, Prefixes, and Conversion Factors - Chemistry
common conversion factors, kilogram pound, acceleration of gravity, pascal bar, celsius fahrenheit, physical constants, bar atmosphere, mm hg, unit conversion, ...
http://chemistry.about.com/library/weekly/aa031202a.htm
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