William_Wilson's tutorials
Scheme – exponents
Contributed by William_Wilson on October 14, 2006 under Computer programmingThis Scheme code example shows how to implement exponents by raising a given base by a given exponent through succesive squaring.
Comments Continue reading...Scheme – cons
Contributed by William_Wilson on under Computer programmingIn Scheme, cons adds the first item supplied into the first position of the list supplied in the second position, no matter what it may be. This will be useful for streams later on.
This Tech-Recipe provides a simple demostration of the cons feature in scheme. Comments Continue reading...
Scheme – using cdr
Contributed by William_Wilson on under Computer programmingIn Scheme, cdr simply displays all but the first element of a list, no matter what it is, be it a character, symbol, int, or even several lists or any combination. This is also useful for streams later on. This Tech-Recipe shows a simple demostration of the cdr feature in scheme.
Comments Continue reading...Scheme – use car to display the first element of list
Contributed by William_Wilson on under Computer programmingThis is a simple demonstration of the car feature in scheme. The car command simply displays the first element of a list, no matter what it is, be it a character, symbol, int, or even another list. This is useful for streams later on.
Comments Continue reading...PHP: Password Protect Your pages.
Contributed by William_Wilson on June 25, 2006 under PHP programmingA simple PHP implementation which will prevent unwanted access to certain pages.
Comments Continue reading...PHP: Upload Files to the server
Contributed by William_Wilson on under PHP programmingWith PHP, it is simple to upload any file to your server.
Comments Continue reading...PHP: Generate Dynamic Images from Text
Contributed by William_Wilson on under PHP programmingHow to create images from text dynamically (quote generator)
Comments Continue reading...WILLIAM_WILSON'S TOP TEN
- XP: Get Updates No Matter What or Change your Invalid Product Key
- Vista Build 5308: Disable Activation
- Removing a Dual Boot in Windows
- Harddrive Windows XP installation - no floppy/CD drive
- Java Enumeration and Iterators
- Copy Music from your iPod to your PC or MAC, for free
- C++: Pointers, Pass by Value, Pass by Reference
- C++: Constructor
- C++: Destructor
- Remove menu items under right-click or context menu
- View our Top Tens
TECH-RECIPES BLOGS
- Facebook FishVille Cheat: Send Multiple Free Gifts to Your Neighbors
- post release: Windows 7, homegroups and me
- fall 2009 and some geek thoughts, reflections
- Facebook Cafe World Cheat: Close Your Cafe When You are Away for Long Periods of Time (to preserve your Buzz Rating)
- Facebook Cafe World Cheat: Serve Your Customers Instantly
- Facebook Cafe World Cheat: Send Multiple Free Gifts to Your Neighbors
- Windows 7 Quickie: Setting up TV recording and sharing to other Windows 7 computers (turn windows 7 into a dvr / media server)
- Mafia Wars Cheat: Send Multiple Gifts to Your Friends






