- Introduction
- NULL Around the World!
- Chapter X - A Brief History of NULL
- NULL Before Computing
- The Inventor of NULL
- Early Programming Languages
- The Development of NULL Values
- The Introduction of C
- NULL Usage in Databases During the 1970’s
- Chapter X - Different Kinds of NULL
- Chapter X - Uses and Misuses of NULL
- Uses of NULL in Computing
- Misuses of NULL
- Chapter X - The Use of NULL in Computer Programming
- Programming vs. Query vs. Scripting
- Style Choices
- Chapter X - NULL in Programming Languages
- LISP
- FORTRAN
- QBASIC
- Chapter X - NULL in Scripting Languages
- NULL in Python
- NULL in PowerShell
- Chapter X - NULL in Query Languages
- NULL in SQL
- NULL in XQuery
- Introduction
NULL
The Absence of Value in Computing
An exploration of one of the most fundamental concepts in computer science: the NULL value. Learn how NULL can be used and how its misuse can lead to serious errors and vulnerabilities. Whether you're a seasoned programmer or just curious about the history & inner workings of computing, this is a must-read that'll deepen your understanding of NULL!
The author is letting you choose the price you pay for this book!
An exploration of one of the most fundamental concepts in computer science: the NULL value. Learn how NULL can be used and how its misuse can lead to serious errors and vulnerabilities. Whether you're a seasoned programmer or just curious about the history & inner workings of computing, this is a must-read that'll deepen your understanding of NULL!
About
About the Book
A meditative analysis on all of the uses and misuses of NULL values in computing.
Feedback
Price
Pick Your Price...
Minimum price
$7.99
$29.99
You pay
$29.99Author earns
$23.99Author
About the Author
Daniel Hargett
Daniel Hargett DSCE DCME, has been using and programming computers since his father gave him his first 386 in 1995. Since then, he has built a beautiful family and successful career in Digital Signage. His passions include Learning, Teaching, Audio/Video tech, Computer Networking, and Computer Hardware/Software.
Contents
Table of Contents
The Leanpub 60 Day 100% Happiness Guarantee
Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.
Now, this is technically risky for us, since you'll have the book or course files either way. But we're so confident in our products and services, and in our authors and readers, that we're happy to offer a full money back guarantee for everything we sell.
You can only find out how good something is by trying it, and because of our 100% money back guarantee there's literally no risk to do so!
So, there's no reason not to click the Add to Cart button, is there?
See full terms...
Earn $8 on a $10 Purchase, and $16 on a $20 Purchase
We pay 80% royalties on purchases of $7.99 or more, and 80% royalties minus a 50 cent flat fee on purchases between $0.99 and $7.98. You earn $8 on a $10 sale, and $16 on a $20 sale. So, if we sell 5000 non-refunded copies of your book for $20, you'll earn $80,000.
(Yes, some authors have already earned much more than that on Leanpub.)
In fact, authors have earned over $14 million writing, publishing and selling on Leanpub.
Learn more about writing on Leanpub
Free Updates. DRM Free.
If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).
Most Leanpub books are available in PDF (for computers) and EPUB (for phones, tablets and Kindle). The formats that a book includes are shown at the top right corner of this page.
Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.
Learn more about Leanpub's ebook formats and where to read them
Write and Publish on Leanpub
You can use Leanpub to easily write, publish and sell in-progress and completed ebooks and online courses!
Leanpub is a powerful platform for serious authors, combining a simple, elegant writing and publishing workflow with a store focused on selling in-progress ebooks.
Leanpub is a magical typewriter for authors: just write in plain text, and to publish your ebook, just click a button. (Or, if you are producing your ebook your own way, you can even upload your own PDF and/or EPUB files and then publish with one click!) It really is that easy.