A default constructor is a parameterless constructor, often generated by the compiler.

The Java ConcurrentHashMap data structure. The ConcurrentHashmap is a hash table supporting full concurrency of retrievals and adjustable expected concurrency for updates. It allows concurrent modification of the Map from several threads without the need to block them

RODBC provides an ODBC database interface for R. The CRAN package provides access to any Open DataBase Connectivity (ODBC) accessible database.

The paragraph concept in any UI renderer.

elasticsearch provides a full Query DSL based on JSON to define queries. In general, there are basic queries such as term or prefix

Cesium is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin. It uses WebGL for hardware-accelerated graphics, and is cross-platform, cross-browser, and tuned for dynamic-data visualization.

Multi-label classification refers to the problem in Machine Learning of assigning multiple target labels to each sample, where the labels represent a property of the sample point and need not be mutually exclusive.

Refers to an IDE or editor feature that attempts to predict what you will type next based on context, speeding up code entry.

Data fitting is to fit a line through a data set i.e. a series of data points.

The event dispatch thread, or EDT, is a special background thread which handles events from the Java GUI event queue. Swing and Android have different implementations but they are similar in concept.

When a process attempts to connect to a remote service, and fails to do so after a predetermined period of time.