The quality of software, not only depends on its architecture and project management, but also is closely related with the code's quality. Bad, untidy code can run normally to some extent, but that will bring potential obstacles to the whole development team, as sure as a gun. As a result, that will greatly increase development time, resources and other costs. This same applies to both agile software development and traditional software development.
For over 50 years, Thomas' Calculus series of books have a new edition available averagely every four, five years. Each edition has many improvements based on previous ones, which embodies this is a teaching material full of innovation spirits. At the same time, some basic characteristics of this book have been always kept and increased, which shows that it is a textbook attaching great importance to inheritance of teaching tradition.
Regular Expression (RegEx for short) can be regarded as an immensely powerful weapon on computing. In almost all programming languages and OS, we can use it to carry out various of complex text processing work. Sams Teach Yourself Regular Expressions in 10 Minutes is a preferred introduction book to regular expressions for beginners, which is close to the actual demands, suitable for developers working on all kinds of programming languages and platforms.
As a representative of open source software, MySQL had already become the world's most popular DBMS (database managing system) long time ago. After Sams Teach Yourself SQL in 10 Minutes (AKA: SQL Crash Course), MySQL Crash Course became another classic bestseller. This book is actually written by Ben Forta at the requests from many readers, and specifically for MySQL users.
Performance is the key to success of any websites. And as a matter of fact, the time a web browser loading a web page takes up about 80% of the total time consumed when a visitor is accessing this page. Thus, especially for the current rich media websites or web apps, speed is extremely important. In Even Faster Web Sites, you will learn how to save the valuable website loading time, so as to make your site respond to user's requests more quickly.