The parts of the skeleton – a skull cap, molar and thigh bone – were the first known specimens of Homo erectus ...

Abstract: With the move from procedural to object oriented programming (OOP), the number of concepts and programming techniques have widened, but the time allotted to teach an introduction to ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

The article details various types of deep-sky objects observable by amateur astronomers, including double stars, variable stars, open and globular star clusters, emission, planetary, and reflection ...

Introduced with the Java 17 release, pattern matching enhances the instanceof operator so Java developers can better check and object's type and extract its components, and more efficiently deal with ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want. Copying objects ...

Hoag's Object is a rare ring galaxy, very far from Earth. It has a central core of older, red stars surrounded by a ring of younger, blue stars. Ring galaxies may form from galaxy collisions, but Hoag ...

Abstract: Real-time semantic segmentation plays an important role in auto vehicles. However, most real-time small object segmentation methods fail to obtain satisfactory performance on small objects, ...