How to determine if a number has been used in a variable previously? [closed]

How to determine if a number has been used in a variable previously? [closed]

search resultsjava - How to determine if a number has been used in a ...
How to determine if a number has been used in a variable previously? ... {
System.out.print("Id has been previously used" ); ... closed as too
localized by ...
stackoverflow.com/questions/13558316/​how-to-determine-if... - Cached

VBScript Variables - W3Schools Online Web Tutorials
An array variable is used to store multiple values in a single ... The
number shown in the parentheses is 2. ... Your message has been sent to
W3Schools. Close [X]
www.w3schools.com/vbscript/vbscript_​variables.asp - Cached

Determining whether a browser window is open or not
... let's learn how to determine whether a browser window is open or not
after it's been ... closed property, I can determine ... use the "closed
...
www.javascriptkit.com/javatutors/​openclose.shtml - Cached

MySQL :: MySQL 5.0 Reference Manual :: 8.8.3 How MySQL Opens ...
Consult your operating system documentation to determine whether ...
variable indicating the number of ... number used descriptors has been
over ...
dev.mysql.com/doc/refman/5.0/en/table-​cache.html - Cached

SQL Server Cursors
Once a cursor has been declared, ... you can determine the number of rows
that were found by the cursor. ... the local cursor will be closed; ...
www.mssqlcity.com/Articles/General/​UseCursor.htm - Cached

PERL -- Predefined Names - SCHOOL OF COMPUTER SCIENCE ...
(Mnemonic: = has horizontal lines.) $-The number of ... It can be used to
determine at ... The associative array INC contains entries for each
filename that has been ...
www.cs.cmu.edu/afs/cs/user/rgs/mosaic/​pl-predef.html - Cached

Linear regression - Wikipedia, the free encyclopedia
Introduction to...|Extensions|Estimation...|Applications of...Given a
variable y and a number ... as it will determine the method to use ...
Hence it is appropriate that considerable effort has been devoted to ...
en.wikipedia.org/wiki/Linear_regression - CachedMore results from
en.wikipedia.org »Expected value - Wikipedia, the free encyclopedia
Definition|Properties|Uses and applications|Expectation of matrices...
repeat the random variable process an infinite number of times and ... has
been called the layer ... used a script E. The symbol has become popular
...
en.wikipedia.org/wiki/Expected_value - CachedPerl 5 by Example: Using
Special Variables
You can use $#ARGV to determine the number ... This hash variable has ...
It is read-only and will be reset to 0 when the file handle is closed. $/
This variable ...
affy.blogspot.com/p5be/ch12.htm - Cached

Microsoft Excel Visual Basic Macros Examples
VARIABLES AND THEIR USE. Declaring Variables Variable Names To ...
Determining If A Range Has Been Assigned A Range ... How To Determine The
Number Of Pages That Will ...
www.add-ins.com/vbexamplestopics.htm - Cached