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Each resource has an OSType identifier (a four byte value), an ID (a signed 16-bit word), and an optional name.There are standardized resource types for dialog boxes (DITL), images (), sounds (snd ) – and executable binaries (CODE) which, until the advent of the PowerPC processor, were without exception stored in the resource fork.
This initial indexing may take some time, but after this the indexes are updated continuously in the background as files are created or modified. If the system discovers that files on an external drive have been modified on a system running a version of macOS older than Mac OS X Tiger, it will re-index the volume from scratch. [3]
Cocoa is Apple's native object-oriented application programming interface (API) for its desktop operating system macOS.. Cocoa consists of the Foundation Kit, Application Kit, and Core Data frameworks, as included by the Cocoa.h header file, and the libraries and frameworks included by those, such as the C standard library and the Objective-C runtime.
JavaScriptCore is a framework that provides a JavaScript engine for WebKit implementations, and provides this type of scripting in other contexts within macOS. [20] [86] JavaScriptCore is originally derived from KDE's JavaScript engine library (which is part of the KDE project) and the PCRE regular expression library. Since forking from KJS and ...
Metal has been available since June 2, 2014 on iOS devices powered by Apple A7 or later, [10] and since June 8, 2015 on Macs (2012 models or later) running OS X El Capitan. [11] On June 5, 2017, at WWDC, Apple announced the second version of Metal, to be supported by macOS High Sierra, iOS 11 and tvOS 11. Metal 2 is not a separate API from ...
A grid-based spatial index has the advantage that the structure of the index can be created first, and data added on an ongoing basis without requiring any change to the index structure; indeed, if a common grid is used by disparate data collecting and indexing activities, such indices can easily be merged from a variety of sources.
The rename file must have a read port for every input of every instruction renamed every cycle, and a write port for every output of every instruction renamed every cycle. Because the size of a register file generally grows as the square of the number of ports, the rename file is usually physically large and consumes significant power.
In computer science, a substring index is a data structure which gives substring search in a text or text collection in sublinear time. Once constructed from a document or set of documents, a substring index can be used to locate all occurrences of a pattern in time linear or near-linear in the pattern size, with no dependence or only logarithmic dependence on the document size.