dynamic shared library what is
Dynamic Shared Library, Dynamic Range, Dynamic Menu Item, Dynamic Linking, Dynamic Link Editor.

Apple Mac OS developers glossary letter D

  • What is dither What is In audio, a low-amplitude noise applied to a signal to reduce quantization error. See also quantization noise
  • What is DAC What is that converts digital data to a corresponding analog signal. DACs are characterized by maximum sampling frequency, amplitude resolution in
  • What is daemon What is requests or forwards a request to another process for handling. Daemons run continuously, usually in the background, waking only to handle
  • What is Darwin What is source project that includes the Darwin kernel, the BSD commands and C libraries, and several additional features. The Darwin kernel is
  • What is dash What is applies to only part of the selection. For example, if a highlighted selection contains text with different styles applied to it, a dash
  • What is Dashboard What is based programs called widgets. Activating the Dashboard via the F12 key displays a layer above the OS X desktop that contains the user’s
  • What is Dashcode What is A graphical application used to build and debug Dashboard widgets
  • What is data What is An AppleScript class used for data that do not belong to any of the other AppleScript classes; see the data class
  • What is database server What is Database servers typically run on a dedicated computer and are accessed by client applications over a network
  • What is data browser What is look for column browsers (such as seen in the column view of a Finder window or in an Open dialog) and scrolling lists (such as seen in the
  • What is data compression What is improve storage or transmission efficiency. Data compression can be lossy or lossless. Compression is a special case of encoding . See also
  • What is data fork What is In a Macintosh file, the section that corresponds to a DOS/Windows file
  • What is data formatter What is In Xcode, a string that specifies how variables are displayed in debugger datatips and the variable list in the debugger
  • What is data handler What is is responsible for reading and writing a media structure’s data. The data handler provides data input and output services to the media
  • What is data modeling What is The process of building a data model to describe the mapping between a relational database schema and an object model
  • What is data reference What is A reference to a QuickTime media structure’s data
  • What is data run What is See run , text run
  • What is data source object What is An object supplied by AppleScript Studio that supplies data to a table view or other view with rows and columns
  • What is data-source adaptor What is connects your application to a particular database server. For each type of server you use, you need a separate adaptor. WebObjects
  • What is date What is In AppleScript, a class that specifies a time, day of the month, month, and year
  • What is date picker What is A control that allows a user to input date and time information in either a textual or graphical format
  • What is dB What is See decibel
  • What is dBu What is level in decibels relative to 0.775 Volts RMS. dBu measurements assume a circuit load with infinite impedance. See also RMS
  • What is debug rendering mode What is the data flow in a composition that can help track down issues. In this mode, patches in the workspace change colors as they move from one
  • What is debugger What is A process that lets you pause a program and examine its state
  • What is debugger datatip What is A way of viewing and modifying the contents of variables using a progressive disclosure mechanism
  • What is debugger strip What is A small control strip that appears above the content pane and contains controls for several debugging tasks
  • What is decibel What is ratio of two quantities, abbreviated as dB. The decibel difference between two power levels is equal to 10 times the common logarithm of
  • What is declaration What is a variable or property identifier in a script. The form and location of the declaration determine how AppleScript treats the identifier in
  • What is decode What is signal from an encoded representation of it. For lossy encoding schemes such as MP3, the retrieved signal approximates the original signal
  • What is decryption What is The transformation of ciphertext back into the original plaintext . Compare encryption . See also asymmetric keys , symmetric keys
  • What is dedicated network build What is effective on large projects using ten or more build servers. See also distributed build . Compare shared workgroup build
  • What is deep fetch What is fetch specifications that causes database fetches to occur against the root table and any leaf tables. Applicable to inheritance
  • What is default application What is Services, according to its own implicit binding rules , in which to open a given document or URL in the absence of an explicit binding
  • What is default build configuration What is The configuration Xcode uses when a project does not have a definition for the active build configuration
  • What is default button What is in a dialog. The default button is indicated by a pulsing appearance. It is activated when the user presses the Return or Enter key
  • What is default keyboard access mode What is keystrokes move keyboard focus only between fields that receive keyboard input, such as text entry fields and scrolling lists. See also
  • What is default keychain What is Keychain Services functions when no other keychain is specified in the function call. For example, newly created keychain items are stored
  • What is default keychain search list What is certain Keychain Services functions when no other keychain or list of keychains is specified in the function call. The default keychain
  • What is default output unit What is An Apple-supplied audio unit that connects with whichever hardware device the user has designated to be the default output
  • What is default pager What is The default pager handles nonpersistent (anonymous) memory. See also anonymous memory , pager , vnode pager
  • What is default target What is receives a command if no object is specified or if the object is incompletely specified in the command. Default (or implicit) targets are
  • What is deferred faults What is In WebObjects, a special kind of fault that represents a number of other faults in a single object. See also fault , faulting
  • What is deferred recognition What is In the Ink Services technology, the process of recognizing an ink phrase that was drawn by the user at an earlier time
  • What is deinterleaving What is In digital audio , retrieving discrete channels from an interleaved representation. Also called reverse multiplexing. Compare interleaving
  • What is delay What is and another. In audio processing, the second event is typically a processed or unprocessed copy of the original event. Delay is a settable
  • What is delegation What is object-oriented framework. In object-oriented design methodology, delegation is a form of class composition. (2) In AppleScript, the use of
  • What is delivery vehicle What is The means of transport used by users of a product to obtain the product’s files. These include optical media and the Internet
  • What is demand paging What is An operating-system facility that brings pages of data from disk into physical memory only as they are needed
  • What is deployment build style What is A methodology of creating a product from a target that makes the product more appropriate for distribution to users
  • What is deployment descriptor What is describes the configuration of a web application. It’s located in the WEB-INF directory of the application’s WAR file and named web.xml
  • What is deployment tool What is J2EE application or component archives can be configured or assembled in preparation for deployment in OS X Server
  • What is depth What is In OpenGL, refers to the z coordinate and specifies how far a pixel lies from the observer
  • What is depth buffer What is store a depth value for each pixel. The depth buffer is used to determine whether or not a pixel can be seen by the observer. Those that
  • What is derived attribute What is not directly correspond to a column in a database. Derived attributes are usually calculated from a SQL expression
  • What is descent line What is usually corresponds to the bottoms of the descenders in a font. The descent line is the same distance from the baseline for all glyphs in
  • What is descriptor What is An abstract identifier used to access a file, socket, or other system resource
  • What is distribution script What is that contains all the information that defines an installation experience in a distribution package. See also distribution package
  • What is descriptor dispatch source What is related events. A file descriptor source calls your custom event handler either when file data is available for reading or writing or in
  • What is design surface What is of a window object. It’s the area in which you drop views and other visual objects and is also where you manipulate those objects directly
  • What is desktop What is The background on top of which all windows appear; the working environment displayed on Mac computers
  • What is destination printer What is sent. This is the printer displayed in the Printer pop-up menu when the user clicks Print in the Print dialog
  • What is destination rectangle What is The rectangle defining the area in which text is drawn
  • What is destination obszar What is data dragged to it. In a document window, the destination region is usually the content area minus the title bar and areas used for
  • What is detail view What is or items that you select in the Groups & Files list, providing a convenient way for you to find and access project contents
  • What is development build style What is A methodology of creating a product from a target that makes the product more appropriate for debugging and testing
  • What is development certificate What is A file that identifies an iPhone application developer. Xcode uses development certificates to sign application binaries
  • What is device What is excluding the CPU and system memory, that can be controlled and can send and receive data. Examples of devices include displays, disk
  • What is device advance What is The number of pixels of the advance for the glyph as actually drawn on the screen
  • What is device color space What is system of color representation for a particular device. This type of color space is not suitable for interchanges of color data between
  • What is device delta What is factional values for cases in which fractional positioning can’t be used. Device delta values are usually used when anti-aliasing is turned
  • What is device driver What is deals with getting data to and from a device, as well as the control of that device. A driver written with the I/O Kit is an object that
  • What is device file What is located in/devthat represents a block or character device such as a terminal, disk drive, or printer. If a program knows the name of a
  • What is device interface What is plug-in architecture to allow a program in user space to communicate with a nub in the kernel that is appropriate to the type of device
  • What is device matching What is application finds an appropriate device interface to load. The application calls a special I/O Kit function that uses a matching dictionary
  • What is device space What is The coordinate system that defines the position and scale (pixel size) of a specific view device
  • What is device-independent color space What is between devices and that is used for the interchanges of color data from the native color space of one device to the native color space of
  • What is diacritical marks What is A mark, such as an accent, that is used in conjunction with a character to indicate phonetic value
  • What is dialect What is A version of the AppleScript language that resembles a specific human language or programming language
  • What is dialog What is A window designed to elicit a response from the user. See also alert
  • What is diamond What is In a Window menu, a mark that indicates that a document has been minimized into the Dock
  • What is dictionary What is objects, and other terminology that is understood by an application or other scriptable entity. You can display an application’s dictionary
  • What is dictionary browser What is Seeterminology browser
  • What is Diffie-Hellman key exchange What is ends of a communication session to generate symmetric private key s through the exchange of public key s
  • What is digest What is See message digest
  • What is digital certificate What is identity of the holder or sender of the certificate. A digital certificate must conform to some standard in order for the recipient to be
  • What is digital ID What is See digital certificate
  • What is digital rights management What is See DRM
  • What is digital signal processing What is See DSP
  • What is distribution package What is distribution script that specifies the installation experience for a product. Distribution packages provide a streamlined packaging
  • What is digital signature What is message or other data using public key cryptography . To create a digital signature, the signer generates a message digest of the data and
  • What is dilation What is in the source image and expands it into the shape of the kernel, flipped horizontally and vertically. The contribution of the source pixel
  • What is dimmed What is grayed out to indicate that they are currently unavailable. Menu items, for example, are dimmed rather than omitted when they aren’t
  • What is diphthong What is phonetically represented by 2 characters. The characters represent the initial and final sounds of the diphthong
  • What is direct parameter What is In AppleScript, the parameter immediately following a command, which typically specifies the object to which the command is sent
  • What is Direct to Java Client What is A WebObjects development approach that can generate a Java Client application from a model
  • What is Direct to Java Client Assistant What is A WebObjects tool used to customize a Direct to Java Client application
  • What is Direct to Web What is A WebObjects development approach that can generate a web application from a model
  • What is Direct to Web Services What is A WebObjects development approach that can generate a web service application from a model
  • What is Direct to Web template What is Direct to Web applications that can generate a webpage for a particular task (for example, a list page) for any entity
  • What is direct-access functions What is ATSUI functions that allow you to manipulate glyph data directly
  • What is direction boundary What is A point, between offsets in memory or glyphs in a display, at which the direction of stored or displayed text changes
  • What is direction run What is A contiguous (in memory) sequence of characters having the same right-to-left or left-to-right line direction
  • What is directory What is A file-system object containing zero or more other named objects (files or other directories
  • What is disc menu What is titles are selected. The disc menu is sometimes called the title menu, which more accurately refers to the menu within a title from which
  • What is disclosure button What is provide the user with additional choices that are associated with a specific list-based selection control (such as a pop-up menu
  • What is disclosure triangle What is disclosure, of information that elaborates on the primary information in a window. Disclosure triangles are used in the Finder’s list view
  • What is discontinuity What is break in the sequence of transmitted data. A discontinuity entails a period in which the stream is undefined. See also TCP stream
  • What is discontinuous highlighting What is selection range it corresponds to. It may consist of discontinuous areas when the selection range crosses direction boundaries. Compare
  • What is discontinuous selection What is A selection in which unselected objects are between selected objects
  • What is disk image What is the transport of a directory structure on the Internet. Disk images can also be compressed to allow a product’s files to be placed on
  • What is dispatch queue What is structure that you use to execute your application’s tasks. GCD defines dispatch queues for executing tasks either serially or concurrently
  • What is dispatch source What is A Grand Central Dispatch (GCD) data structure that you create to process system-related events
  • What is display coordinate mechanizm What is be used to display QuickTime movies, as opposed to the movie’s time coordinate system, which defines the basic time unit for each of the
  • What is display link What is specified hardware display, makes intelligent guesses as to how often frames must be output to synchronize with the display’s refresh rate
  • What is display list What is associated name and that are uploaded to the GPU, preprocessed, and then executed at a later time. Display lists are often used for
  • What is display name What is The name of a file as it appears to the user. The display name reflects the user’s preference for hiding or showing the filename extension
  • What is display order What is a screen. Glyphs are always drawn in left-to-right order. Because not all text is read left-to-right, the display order of glyphs may be
  • What is Display pop-up menu What is when to display the Build Results window, overriding the default settings in the Building pane of Xcode Preferences
  • What is display text What is of a text layout object. Display text consists of a sequence of glyphs, arranged in display order. Compare source text
  • What is distance What is In surround sound and immersive audio, the real or apparent straight line distance of an audio source from the listener
  • What is distortion What is and undesired, between the signals on the input and output of an audio device. Commonly measured types of distortion include harmonic
  • What is distributed build What is In Xcode, a build that uses several computers to compile source files
  • What is dithering What is quality when you are attempting to display an image that exists at a higher bit-depth representation on a lower bit-depth device. For
  • What is DLIL What is the OS X kernel’s networking infrastructure that provides the interface between protocol handling and network device drivers in the I/O Kit
  • What is DMA What is some bus architectures that enables a bus controller to transfer data directly between a device (such as a disk drive) and a device with
  • What is dmg file What is An OS X disk image file
  • What is Dock What is interface element that provides a simple way for users to launch frequently used applications and documents. It also houses minimized
  • What is document What is in a file or sandboxing , that can be operated on by an application. In Search Kit, anything that contains text and that the Search Kit
  • What is document collection What is See corpus
  • What is document file What is A file containing a document
  • What is document-modal What is anything else within a particular document until the window is dismissed. Sheets are document-modal windows. Compare application-modal
  • What is document-modal dialog What is performing further operations in the document until the user dismisses the dialog. All sheets are document modal and all Aqua document
  • What is document object hierarchy What is document exists at a location relative to a root document. The locations may may be real, as in a file system, or virtual
  • What is document package What is A package containing a document along with related resources
  • What is document type What is A family of document files characterized by a given file type , creator signature , or filename extension . Compare URL type
  • What is document type definition What is See DTD
  • What is document URL object What is document URL object comprises a scheme, a parent document URL object, and a name, with the format of each component defined by the client
  • What is document window What is A window containing file-based data that users create and store
  • What is documentation feed What is check periodically to determine when a publisher makes available updates to a documentation set or releases a new documentation set
  • What is documentation node What is documentation file or a folder of files within a set. Each documentation node is associated with a location that identifies the file to
  • What is documentation search What is In Xcode, a search composed of a search term, search type, and search scope
  • What is documentation set What is packaged as a standard OS X bundle. Each documentation set contains HTML-based content as well as indexes into that content, which Xcode
  • What is Documentation window What is browsing and searching developer documentation. It provides access to a wider and more detailed view of the documentation than the Research
  • What is domain What is for software, documents, and resources and limiting the accessibility of those items. A domain is segregated from other domains. There are
  • What is double angle brackets What is AppleScript to enclose raw data. With a U.S. keyboard, you can enter double angle brackets (also known as chevrons) by typing Option
  • What is double buffering What is color buffer to achieve smooth animation. The back buffer is not displayed, but swapped with the front buffer
  • What is downgradable component What is A product component, such as an application binary or a plug-in, that can be replaced with an earlier version in an installation process
  • What is DPCM What is Differential pulse-code modulation. A variant of pulse-code modulation that encodes the difference between the current and previous sample
  • What is dpi What is used to measure the resolution of a screen or printer. The higher the value, the finer the detail of the image
  • What is drag and drop What is The technique of dragging an item, such as a graphic or selected text, and dropping it on a suitable destination, such as another document
  • What is drag area What is The portion of a window that users can use to move the window
  • What is drawable object What is OpenGL that can serve as an OpenGL framebuffer. A drawable object can be any of the following: a window, a view, a pixel buffer, offscreen
  • What is drawer What is parent window and that the user can open or close (show or hide) while the parent window is open. Drawers contain controls that are fairly
  • What is driver What is See device driver
  • What is driver layer What is I/O Kit drivers for various networking types
  • What is driver matching What is nub, after discovering a specific hardware device, searches for the driver or drivers most suited to drive that device. Matching requires
  • What is driver personality What is specify device property values, such as family type, vendor name, or product name. A driver is suitable for any device whose properties
  • What is driver stack What is driver objects (drivers and nubs) in client/provider relationships with each other. A driver stack often refers to the entire collection of
  • What is DRM What is term referring to embedded, electronic restriction over the use of electronic content. Usually applied to copyrighted material. See also
  • What is drop capital What is A large uppercase letter that drops below the main line of text for aesthetic reasons
  • What is dropframe What is In video, a synchronizing technique that skips timecodes to keep them current with video frames
  • What is droplet What is you drag a file or folder icon in the Finder and drop it on the droplet’s icon. A droplet receives a list of descriptors for the folders
  • What is DSP What is analyzing or transforming digital representations of audio. Such transformations include, among others, filtering and equalization
  • What is dSYM file What is debugging information to minimize the size of the executable file without compromising the program’s debugging experience
  • What is DTD What is Document type definition. A file that describes the structure of an XML document
  • What is dual caret What is between text of opposite directions, divides into two parts: a high caret and a low caret, each measuring half the line’s height. The two
  • What is Duplex pane What is A pane in the Print dialog (available for some printers) that provides the option to print to both sides of a sheet of paper
  • What is duration What is takes for an animation to complete. (2) In QuickTime, time values that are interpreted as spans of time, rather than as points in time
  • What is DVD@ccess What is interactivity to a DVD when played on a computer. DVD@ccess makes it possible to open a web browser to display HTML files, or open a
  • What is DVD What is greater capacity and bandwidth than CD-ROM; DVDs are frequently used for multimedia as well as data storage
  • What is DVD event What is Playback Services during playback. An event is specified with a type identifier and associated data. Client applications can register
  • What is DVD player What is plays DVD-Video media stored on an optical disc. The output device is generally a television set, although some players have built-in
  • What is DVD-film What is audio and video on DVD-ROM discs, based on MPEG-2 video compression, Dolby Digital and MPEG audio, and other proprietary data formats
  • What is dyld What is manager for code in the Mach-O executable format. The dynamic link editor is a dynamic library that “lives” in all Mach-O programs on the
  • What is dyld (dynamic link editor) What is A utility that allows programs to dynamically load (and link to) needed functions
  • What is dynamic obiekt What is A dynamic version of an HTML element. WebObjects includes a list of dynamic elements with which you can build web components
  • What is dynamic guide What is that provides information about the position of a view relative to other objects on the design surface. Dynamic guides appear only when
  • What is dynamic library What is undefined symbols is delayed until execution. Code in dynamic shared libraries can be shared by multiple, concurrently running programs
  • What is dynamic link editor What is See dyld
  • What is dynamic linking What is executes, by the dynamic link editor (dyld). Usually the dynamic link editor binds modules into a program lazily (that is, as they are used
  • What is dynamic menu item What is presses a modifier key. For example, in the Finder File menu, if the user presses the Option key, the Close Window command changes to Close
  • What is dynamic range What is or system that describes the difference between the loudest and softest signal that can appear at the output of the device. Dynamic range
  • What is dynamic shared library What is multiple, concurrently running programs. Programs share exactly one physical copy of the library code and do not require their own copies

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple Dynamic Shared Library, Dynamic Range, Dynamic Menu Item, Dynamic Linking, Dynamic Link Editor, Dynamic Library, Dynamic Guide, Dynamic Obiekt, Dyld (Dynamic OS Mac.

What is Dynamic Shared Library, Dynamic Range, Dynamic Menu Item for developers.