In this recipe, you will learn how to update any information in the database. Changing passwords is a very common requirement in almost all applications. In this recipe, we assume that a database called ECommerce
already exists and a table called Users
also exists in the ECommerce
database. The Users
table consists of two columns, EmailAddress
and Password
. Also, we assume that the Users
table contains a few rows in it. The user will be prompted to enter their email address and password in the form. The Users
table is searched for the specified email address and password. If a row is found with the specified email address and password, the user will be prompted to enter a new password. The new password will be asked for twice, that is, the user will be asked to enter their new password in both the New Password
box and the Re-enter New Password
box. If the passwords entered in the two boxes match, the password will be changed, that is...
Qt5 Python GUI Programming Cookbook
By :
Qt5 Python GUI Programming Cookbook
By:
Overview of this book
PyQt is one of the best cross-platform interface toolkits currently available; it's stable, mature, and completely native. If you want control over all aspects of UI elements, PyQt is what you need. This book will guide you through every concept necessary to create fully functional GUI applications using PyQt, with only a few lines of code.
As you expand your GUI using more widgets, you will cover networks, databases, and graphical libraries that greatly enhance its functionality. Next, the book guides you in using Qt Designer to design user interfaces and implementing and testing dialogs, events, the clipboard, and drag and drop functionality to customize your GUI. You will learn a variety of topics, such as look and feel customization, GUI animation, graphics rendering, implementing Google Maps, and more. Lastly, the book takes you through how Qt5 can help you to create cross-platform apps that are compatible with Android and iOS. You will be able to develop functional and appealing software using PyQt through interesting and fun recipes that will expand your knowledge of GUIs
Table of Contents (20 chapters)
Title Page
Dedication
Packt Upsell
Contributors
Preface
Free Chapter
Creating a User Interface with Qt Components
Event Handling - Signals and Slots
Working with Date and Time
Understanding OOP Concepts
Understanding Dialogs
Understanding Layouts
Networking and Managing Large Documents
Doing Asynchronous Programming in Python
Database Handling
Using Graphics
Implementing Animation
Using Google Maps
Running Python Scripts on Android and iOS
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Index
Customer Reviews