• Contains a directory of standard, frequently used operations in C# and SQL queries. • The best examples of codes from books and specific internet resources. Here you will find only proven code recipes that will help you save your working time. • Contains examples of design patterns, the study of which improves the professional level of the developer. • The application is a good tool when passing an exam or preparing for an interview, helping you study typical tasks. • All examples in the application are available offline. • Quick search of the correct example by the code or by the name of topic. • One app for iOS and MacOS. Buy once and use on your phone, tablet or computer. • As a developer, I myself use this app to speed up my work. If you can help translate the application into your language, please contact me by email. In the application, some examples are available for an additional fee (approximately 45%).