UITableView in Objective-C: Example (Video)
Learn how to build dynamic tables with UITableView on iPhone in Objective-C, with a video tutorial, a UINavigationBar and a downloadable project.
Articles · page 15
Android Error – java.lang.NoClassDefFoundError for No Apparent Reason
Getting a java.lang.NoClassDefFoundError in Android for no apparent reason? Follow these two simple fixes in Eclipse to get your project working again.
Genetic Algorithms – Example
Step-by-step example of a genetic algorithm that finds the maximum of a function over [0-15]: chromosomes, crossover, mutation and a downloadable Java program.
ListView Expansion: Custom GridView and Spinner in Android
Answers to the most common ListView questions in Android: custom GridView, custom Spinner, clickable Views inside rows and simulating a RadioGroup.
Introduction to Android Studio (Video)
Watch our video intro to Android Studio, Google's IDE for Android apps: basic setup, a comparison with Eclipse + ADT, and a fix for Windows startup issues.
What Is Evolutionary Computation?
Learn what evolutionary computation is, how genetic algorithms represent, reproduce and mutate individuals, and when you should (and shouldn't) use them.
Multitasking and Threads: Easy, With Lots of Benefits
Learn what multitasking and threads are, how concurrency and parallelism differ, and why cores matter, explained with simple comic-style examples.
Sorting Arrays in Java (with Their Indices)
Learn how to sort Java arrays in ascending or descending order and get their indices after sorting, using the SortArray API with int, float, double and String.
Tables with JavaFX and FXML (Video)
Learn how to work with a table element in JavaFX and FXML: a simple example of adding, editing and deleting rows in a table, with a video tutorial.
ArrayList in Java, with Examples
Learn how to use ArrayList in Java: add, remove and iterate elements, store objects, and work with nested ArrayLists, with practical examples.
Intent – Passing Data Between Activities – Android App (Video)
Learn how to pass data from one Activity to another in an Android app using an Intent after a button click, with a step-by-step video tutorial in Eclipse.
ListView in Android: Building a Custom List
Learn how to create an Android ListView quickly and effectively. Everything you need to know about ListView and Adapter in Android, with full example code.