Glossary index

Technology, science and the universe

+57,000terms
19galaxies
2languages
Dailynew terms from the radar
Graphics, games and extended reality

OnPreCull

OnPreCull is a method in Unity that is invoked just before the camera performs the culling process of the scene. Culling is a technique used to optimize graphical performance, where it determines…

Graphics, games and extended reality

OnRenderObject

OnRenderObject is a method in Unity that is invoked after the regular rendering of the scene is complete. This method is part of the script lifecycle in Unity and is primarily used to perform…

DevOps and operations

OnResize

The 'Resize' event in C# refers to an action triggered when a control, such as a form or panel, changes size. This event is fundamental in graphical user interface development, as it allows…

Software development

OnResponse

The 'Response' in GraphQL refers to the handling of the responses generated by operations performed in this query language. Unlike traditional REST APIs, where each endpoint returns a fixed response…

Operating systems

OnResume

The 'onResume' method in Android is an essential component of an activity's lifecycle. It is invoked when an activity comes back to the foreground, meaning the user can interact with it. This method…

Hardware, electronics and robotics

OnScroll

Scrolling refers to an event that occurs when a user moves a user interface element, such as a list, a web page, or an image, through touch gestures or by using a mouse. This movement allows users to…

Software development

OnServiceConnected

Connecting service is a fundamental event in the Android ecosystem that occurs when an application component, such as an activity or fragment, establishes a connection with a background service. A…

Physical and Earth sciences

Onshore Wind Energy

Onshore wind energy refers to energy generated by wind turbines located on land. This type of renewable energy harnesses the power of the wind to convert it into electricity, using wind turbines that…

Cybersecurity

Onsite Security

Onsite Security refers to the physical and logical measures implemented to protect data stored in a specific location, such as a data center or office. These measures are fundamental to preventing…

Hardware, electronics and robotics

Onslaught

Onslaught is the leader of the Combaticons, a group of Decepticons in the Transformers universe. Known for his tactical genius and exceptional combat skills, Onslaught stands out not only for his…

Operating systems

OnStart

The 'onStart' method in an application’s lifecycle is a key component that indicates when the interface becomes visible to the user, meaning it is the moment when the user interface begins to be…

Operating systems

OnStop

The 'onStop' method in Android is a crucial component of the activity lifecycle. It is invoked when an activity is no longer visible to the user, which can occur when another activity overlaps it or…

DevOps and operations

OnSubmit

The 'On Submit' event in C# refers to an action triggered when a form is submitted by the user. This event is fundamental in the development of web and desktop applications, as it allows developers…

Software development

OnSubscription

Subscriptions in GraphQL refer to directives or behaviors specific to operations that allow clients to receive real-time updates about data. Unlike queries and mutations, which are request-response…

Artificial intelligence

Ontology

Ontology is a branch of metaphysics that deals with the study of the nature of being, existence, and reality. In the context of technology and artificial intelligence, ontology refers to the formal…

Artificial intelligence

Ontology-Based Models

Ontology-Based Models are structures that use ontologies to represent knowledge in an organized and structured manner. An ontology, in this context, is a formal set of concepts within a domain and…

Artificial intelligence

Ontology Alignment

Ontology alignment is the process of matching concepts from different ontologies to enable interoperability between systems that use different representations of knowledge. This process is…

Artificial intelligence

Ontology Engineering

Ontology engineering is the process of creating and maintaining ontologies for a specific domain. An ontology, in this context, is a formal representation of a set of concepts within a domain and the…

Artificial intelligence

Ontology Mapping Models

Ontology Mapping Models are fundamental tools in the field of artificial intelligence and knowledge management, designed to facilitate interoperability between different information systems. These…

DevOps and operations

OnTouch

The 'Touch' event refers to the action that occurs when a user interacts with a user interface element on touch devices, such as smartphones and tablets. This event is fundamental to the user…

Graphics, games and extended reality

OnTriggerEnter

OnTriggerEnter is a method in Unity that is triggered when another collider enters the collider set as a trigger. This method is part of Unity's physics system and allows developers to efficiently…

Data and analytics

On Update

The 'On Update' action in SQLite refers to a referential action that specifies what happens to a row when the referenced row is updated. This mechanism is part of the referential integrity…

Graphics, games and extended reality

OnValidate

The 'OnValidate' method in Unity is a special function that is automatically invoked when a script is loaded or when a value is modified in the Unity inspector. This method allows developers to…

DevOps and operations

On Validating

The 'On Validating' event in C# refers to a mechanism that is triggered when it is required to verify the validity of a data entry in an application. This event is crucial in application development…