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|The discussion is intended to illustrate some of the difficulties the ordinary researcher is apt to encounter as a result of imprecise knowledge of astronomical and laboratory units of measurement.|
|The laws and constants have helped us define and tame the natural world. But |
what if there are no immutable laws? What if the constants aren't constant? Or, as
Webb puts it, a wry smile playing across his lips, “Who decided they were ...
|... per State (table 3). Investigate the numeric difference between current and |
constant dollars of gross national ... BUREAU OF THE CENSUS Statistics Aren't
Static: A 1992 Statistical Abstract Teaching Supplement. 1992 Statistical Abstract
|The following example calculates the areas of circles, and so PI is defined as a |
constant: NOTE Constents are commonly written in uppercase so that ... (One of
Murphy's Laws for software development is "Variables won't and constants aren't.
|Thus, as soon as you see a word in your program written in all caps, you know |
you can probably look for a constant being ... the value of the constant is: looking
through hundreds of lines of code in multiple files is quite a task if constants aren't
|That's why some smart person invented constants. Get a piece of the pi by using |
the constant Math.PI, or get the keyboard code for the Caps Lock key with
Keyboard.CAPS_LOCK. But numeric values aren't all constants are good for.
Flex often ...
|You write such constants by enclosing them within single quotes: 'Brighten the |
corner where you are.' If you want to embed a single quote within a string
constant, you can do so by typing the single quote twice: 'Aren''t you glad you''re
|I want you to understand why you should turn to CPAN modules to get values |
from system symbolic constants and why they aren't and can't be defined in the
Perl core. If you understand this, you'll know to look for the constants you need in
|Constants are public statements (p. —public page—) by default, but are always |
private statements within procedures. You can't define variables or user functions
because they aren't constants. You can use constants similarly to variable ...
|I'm here aren't I?” This always bothered me. This “I'm here aren't I” business |
always gnawed at me. “You're hiding something,” I told her. “What could I be
hiding? I'm in a phone booth, for godsakes!” “Yes, but you have a way, ” I said “A
way of ...