A simple tool used for fast Exponentiation. Very useful if you are creating your own cryptograpgic methods.

Convert
java.awt.Canvas to java.awt.image.BufferedImage or java.awt.image.Image

This is a quick and easy class that will generate MD5 hashes from strings. I originally wrote it to insert into my Oracle database so I could generate MD5 hases for passwords from PL/SQL.

Example

String md5Hash = stringMD5("my password");

This gets the information off youtube when you add a youtube link.

please change the dev_id to your own my is:BnvzCjJ_Bzw

http://www.youtube.com/my_profile_dev

put a link in eg. http://www.youtube.com/watch?v=xOJnKgsWPGw

Date Parse

Another way to generate a unique ID.

Draws a line (with arrow head) between two given points.

This class intended to collect TODO comments from java/c++/etc source files.

Example:

protected readFileData (String path) throws IOException {
// TODO: add try...catch block for IOException
InputStream is = new FileInputStream(path);
...
}


See also DirectoryScanner class.

This function returns a Date object being set at 12 A.M. It is useful for comparing dates where you don't know if they'll come set at the beginning of the day or not.

From a tutorial on building an RSS SAX parser on my website:

full article can be found here