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HeapSort 1.7 (Downloads: 250)
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:
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Pluck 1.0 (Downloads: 207)
Scans multiple files looking for a REGEX pattern, and summarised what it finds. Scans multiple files looking for a REGEX pattern, and
summarised what it finds as a CSV file.
java -jar C:\com\mindprod\pluck\pluck.jar "\.[a-z]+\." E:\temp\temp.csv E:\somedir
adjusting as necessary to account for where the jar file is.
The first parameter is the regex pattern. See regex in the java glossary
for how to compose them.
The next parameter is where the output in to go. use the
wo...
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Comparators 1.4 (Downloads: 314)
Comparator classes to include in your Java programs. Java classes to include in your programs. Includes:
HTMLArrayComparator.java: Compares two arrays of Strings of HTML, ignoring embedded tags.
HTMLComparator.java: Compares two Strings of HTML, ignoring embedded tags.
StringComparator.java: Compares two Strings, case sensitive.
StringComparatorIgnoreCase.java: Compares two Strings, case insensitive.
Not useful on its own, though you can run the debugging harness with:
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Masker 1.9 (Downloads: 293)
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...
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Untouch 2.4 (Downloads: 440)
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 =...
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Honk 1.5 (Downloads: 246)
Plays one or more of the Standard Windows sounds or wav files. Plays one or more of the Standard Windows sounds, triggered
purely from the command line.
use:
honk
- Plays the default system sound.
honk SystemStart SystemHand SystemQuestion
- Plays the given list of standard system sounds (usually just one).
- they are case-insensitive (you can get the case wrong and it will still work).
Possible sound names are listed in the registry...
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Spinner 1.1 (Downloads: 367)
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...
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Primes 1.4 (Downloads: 480)
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....
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HunkIO 1.7 (Downloads: 266)
Java classes to readEntireFile, create a temp file etc. Java classes to include in your own programs. They let you read or write a file in one fell swoop into RAM. It also includes createTempFile method that is more convenient to use than Sun's File.createTempFile. It also includes PrintWriterPlus that converts linefeeds to platform specific line feeds even when they are embedded in data.
Why the three linked ball logo? It symbolises processing a file in line-sized chunks....
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Holiday Calculatior 4.7 (Downloads: 749)
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...
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Ini 1.4 (Downloads: 506)
Windows *.ini file verifier, tidier and sorter. Windows *.ini file verifier, tidier and sorter.
Tidies and sorts windows *.ini files, ones that look like this:
[section]
; a comment
item=value;
To use:
java.exe -jar ini.jar C:\somedir\somefile.ini UTF-8
Where UTF-8 in the encoding.
Opera uses UTF-8. You can leave it to the default for most others.
The original is named somefile.ini.old when you are done.
Don't run ini ...
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SortedArrayList 1.3 (Downloads: 234)
Sort and Merge ArrayLists efficiently. This is a pair of library classes to include in your own
code for manipulating ArrayLists.
It consist of two classes: SortedArrayList and Merge.
SortedArrayList is an ArrayList that remembers how it is
sorted, so that if you ask it to sort, it can sometimes
bypass the work when it is already in order. You declare the
order you want and it keeps the list sorted, You just call
sort whenever you need the list to ...
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FileTimes 1.9 (Downloads: 267)
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...
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JarLook 1.2 (Downloads: 312)
Check that class target versions are as expected in a Java jar. Check a Java jar to make sure all the javac -target versions of
the class files are what you expect.
Java application.
Requires Java version 1.5 or later.
All Java source code is included.
to use:
java -jar jarlook.jar jartotocheck.jar 1.1 1.4
where jartocheck.jar is the name of jar to check.
It will check all the class files in it.
In this example:
1.1 is the low...
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Boyer 1.5 (Downloads: 257)
Fast string search (indexOf) using the Boyer-Moore algorithm. Fast string search (indexOf) using the Boyer-Moore
algorithm. Incorporate this class into your own Java
programs to rapidly search strings.
use:
import com.mindprod.Boyer.Boyer;
...
Boyer b = new Boyer("dogcatwombat");
int where = b.indexOf("cat");
or
int where = Boyer.indexOf("dogcatwombat","cat");
Boyer-Moore is about twice as fast as String.indexOf wh...
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Amper 1.9 (Downloads: 430)
Safely converts ampersands to !amp; entities In the following, pretend ! is an ampersand. PAD files don't let me give literal examples. Amper converts ! to !amp; in HTML files and back, but does not convert it when the ! is already in an entity e.g. !lt; !thetasym; !eacute;
The main use for this is to pass HTMLValidator verification of your HTML, which is very picky about !, especially inside URLs.
As a side effect, it also ensures all your comment delimiters balance.
It ...
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CanadianTax 4.2 (Downloads: 620)
Calculates Canadian sales taxes: GST HST and PST today or in the past. Calculates Canadian sales taxes: GST HST and PST today or as they were in the past.
Java Applet that can also be run as an application.
Requires Java version 1.5 or later.
Java source code and sample HTML included.
This version computes by adding GST HST and PST to a base
price. It als works in reverse given the
final price working backwards to get the taxes and base
price. In other words it will tell ...
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