Other listings by this author |
|
CreditCard Validator 1.8 (Downloads: 416)
Verifies that credit card number is valid. The CreditCard Validator will help you tell:
1. if a credit card number is valid,
2. which credit card vendor handles that number.
It is a simple Applet to demonstrate the use of the ValidateCreditCard class.
It validates the prefix and the checkdigit. It does *not* contact the credit card company to ensure that number has actually been issued and that the account is in good standing.
It will also tell you which of ...
|
|
Masker 1.9 (Downloads: 300)
Hides email addresses from spammers as PNG image files. Produces PNG files (image files similar to GIFs, but
smaller) that contain your email address. When you post them
on your website, it is harder for spammer to harvest them.
You can include the generated image files in the HTML on
your website with: code like this:
[a href="../image/mailto/roedy.png"]email me[/a]
(pretend [] are angle brackets)
or
[mg src="image/mailto/r...
|
|
Wavelength 1.3 (Downloads: 304)
Wavelength creates Color objects given the light wavelength or the frequency Wavelength creates Color objects given the wavelength or
the frequency of the light rather than the usual RGB or HSB.
instead of:
Color c = new Color(255, 0, 0);
use the frequency in nanometers, and gamma 0.0. .. 1.0.
(gamma is intensity/brightness.)
Color c = Wavelength.wvColor( 400.0f, 0.80f );
The visible range of the spectrum is 380..780 nanometers.
Smaller is bluer.
or using frequency in Terahe...
|
|
Spinner 1.1 (Downloads: 390)
DateSpinner, hex and formatted dollar input for Java JSpinner. Spinner consists of source for classes for a DateSpinner and to add hex and
formatted dollar input/output for Java JSpinner to your own
Java programs.
Spinner offers two NumberFormatter classes you can use with
a JSpinner. One is HexNumberFormatter which lets your
JSpinner range over hex values. The other is
DollarNumberFormatter which lets your JSpinner range over
dollar values. It works better than JSpinner.NumberEd...
|
|
FileTimes 1.9 (Downloads: 287)
Read and set Windows file/dir times from Java: Create/LastModified/LastAccessed Java class library to get/set file and directory times: Create/LastModified/LastAccessed. For Windows only.
Create time is when the file was first written. Modified
time (sometimes called lastModified) is when the file was
last written. Accessed time is when the file was last read
or written. Checking its date, looking at its attributes or
checking to see if it exists does not count as reading it.
Get/Set Windows Fil...
|
|
Official Encoding 1.1 (Downloads: 182)
Discover the official name of any given Java encoding. Official Encoding will tell you the official name of any given Java encoding and whether it is supported by Java. It will also display some of the characters available with that encoding.
Prerequisites:
This program runs under any OS,
(e.g. Win2K/XP/Vista/OSX/Linux/Solaris/Vista64/AIX...) so long as you have
Java version 1.5 or later installed.
Installing:
Download source and compiled class files to run...
|
|
Holiday Calculatior 4.7 (Downloads: 777)
Calculate when 66 holidays occur in any given year. Calculates when various holidays occur in any given year BC or AD.
Designed to be cannibalised to include the calculation routines in your
own programs. You might use it to prepare paper calenders well in
advance or electronic calendars. You might also use the logic in computer
programs that compute payrolls, bus schedules, or club meetings. You
might use it in writing novels or researching historical events. It can
als...
|
|
Rgrow 1.3 (Downloads: 217)
RGrow resizes fixed length records padding or chopping. RGrow resizes fixed length records e.g.
RGrow.exe MyFile.seq 500 600
will grow each record from 500 to 600 bytes by padding binary zeros.
Will also truncate records.
These are not the old and new sizes of the file, but of the fixed length records
in the file. If you increase the record size, each record will be padded
with nulls. The entire file will grow as a result.
This program may be freely copied and us...
|
|
Untouch 2.4 (Downloads: 459)
Reverts files dates back if the files have not really changed. Documentation on the original student project outline
mindprod.com/projects/untouchproj.html
This explains how it works and some of its uses.
Untouch supports the following command line switches which appear
before the directories.
-c or -clear = clear history first and take current file times as the new revert-to point.
-f or -force = revert files back to previous dates whether they have changed or not.
-h or -help =...
|
|
Base64 1.9 (Downloads: 310)
Java classes to encode/decode Base64 and Base64u Base64 is a freeware way of encoding 8-bit characters using
only ASCII printable characters similar to UUENCODE.
UUENCODE embeds a filename where BASE64 does not. You will
see BASE64 used in encoding digital certificates, in
encoding user:password string in an Authorization: header
for HTTP. The spec is described in RFC 2045.
Don't confuse Base64 with x-www-form-urlencoded which
is handled by java.net.URLEncoder.encod...
|
|
Echoserver 1.3 (Downloads: 246)
See what browsers and programs are sending to an HTTP Server. See what browsers and programs are sending to an HTTP Server.
Simple server just dumps whatever it receives on the console.
Echoserver is misnamed because it does not actually echo what it receives
back to the browser....
|
|
FileFilters 2.7 (Downloads: 436)
Colllecton of Java FilenameFilters. FilenameFilters you can use in your own Java programs with
File.list( FilenameFilter f ). They can also be used
standalone as fancy dir commands.
They come with Java source and include:
AllDirectoriesFilter gets all directories
AllFilesFilter gets all files
ClamFilter simple wildcard
DirListFilter gets a list of directories
EndsWithFilter gets files whose names end with a...
|
|
ISBN 2.5 (Downloads: 361)
Tidies, interconverts and Validates ISBN-10 and ISBN-13 book numbers. Helps you proofread, interconvert, validate and tidy ISBN-10 and ISBN-13 (International Standard Book Number) references in your HTML or other documentation. It validates the checkdigit, inserts dashes, interconverts ISBN-10 and ISBN-13. It displays them both with and without dashes....
|
|
Unicode 1.8 (Downloads: 394)
Used to test your computer's Unicode support Used to test your computer's Unicode support and your font's
support for particular characters, or as a learning to to
explore the Unicode character set. Displays in Courier,
TimesRoman, Symbol, Dialog and Helvetica.
copyright (c) 1996-2008 Nic Fulton nic.fulton@reuters.com of
Reuters Ltd. Modified by Roedy Green
of Canadian Mind Products with permission.
To install, Extract the zip download with WinZip, availa...
|
|
FontSaver 1.4 (Downloads: 283)
FontSaver shares Font objects instead of creating new ones. FontSaver shares Font objects instead of creating new ones to cut
down on the RAM and time needed to create Font and Font peer objects.
Profiling often shows the creation of too many Font objects is the
cause of poor performance.
See the source code for how to incoporate it into your own programs.
It does nothing on its own....
|
|
HeapSort 1.7 (Downloads: 276)
HeapSort is an implementation of Williams and Floyd classic HeapSort. HeapSort is an implementation of Williams and Floyd's TopDown HeapSort.
HeapSort is a fast internal sort written in Java that uses a
sorting algorithm analogous to power struggles for higher
positions in a hierarchical bureaucracy. Source provided. It
is faster than QuickSort, but slower that RadixSort. It
sorts using a comparison routine you provide to compare two
elements to be sorted.
You can test it with:
|
|
Primes 1.4 (Downloads: 487)
calculates the prime numbers 1..N, tells you if N is prime etc. calculates the prime numbers 1..N, tells you if N is prime etc.
Prints tables of primes.
Computes the prime just below or above N.
It is useful in computing optimal Hashtable sizes.
Java source included....
|