December 2014
Beginner
806 pages
18h 10m
English
Content preview from Learning PHP, MySQL & JavaScript, 4th Edition
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Appendix A. Solutions to the Chapter Questions
Chapter 1 Answers
- 1.
- A web server (such as Apache), a server-side scripting language (PHP), a database (MySQL), and a client-side scripting language (JavaScript).
- 2.
- HyperText Markup Language: the web page itself, including text and markup tags.
- 3.
- Like nearly all database engines, MySQL accepts commands in Structured Query Language (SQL). SQL is the way that every user (including a PHP program) communicates with MySQL.
- 4.
- PHP runs on the server, whereas JavaScript runs on the client. PHP can communicate with the database to store and retrieve data, but it can’t alter the user’s web page quickly and dynamically. JavaScript has the opposite benefits and drawbacks.
- 5.
- Cascading Style Sheets: styling and layout rules applied to the elements in an HTML document.
- 6.
- Probably the most interesting new elements in HTML5 are
<audio>,<video>, and<canvas>, although there are many others such as<article>,<summary>,<footer>, and more. - 7.
- Some of these technologies are controlled by companies that accept bug reports and fix the errors like any software company. But open source software also depends on a community, so your bug report may be handled by any user who understands the code well enough. You may someday fix bugs in an open source tool yourself.
Chapter 2 Answers
- 1.
- WAMP stands for Windows, Apache, MySQL, and PHP. M in MAMP stands for Mac instead of Windows; and the L in LAMP stands for Linux. They all refer to a complete solution ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.