Apple Mac OS developers glossary letter D

What is Build Network Dedicated Definition effective on large projects using ten or more build servers. See also distributed build . Compare shared workgroup build compare
What is Direct to Web template Explain Direct to Web applications that can generate a webpage for a particular task (for example, a list page) for any entity why
What is Order Display 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 how better
What is Rectangle Destination Meaning The rectangle defining the area in which text is drawn when
What is Queue Dispatch Abbreviation structure that you use to execute your application’s tasks. GCD defines dispatch queues for executing tasks either serially or concurrently determines
What is Drop And Drag How to The technique of dragging an item, such as a graphic or selected text, and dropping it on a suitable destination, such as another document comparing to
What is Drm Help term referring to embedded, electronic restriction over the use of electronic content. Usually applied to copyrighted material. See also depends on
What is Dock Crossword interface element that provides a simple way for users to launch frequently used applications and documents. It also houses minimized which
What is Selection Discontinuous Examples A selection in which unselected objects are between selected objects difference
What is Mode Rendering Debug Encyclopedia 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 when
What is Web To Direct Information about A WebObjects development approach that can generate a web application from a model pros and cons
What is Feed Documentation Tutorial check periodically to determine when a publisher makes available updates to a documentation set or releases a new documentation set similarities
What is Text Display Error of a text layout object. Display text consists of a sequence of glyphs, arranged in display order. Compare source text how much
What is Date Answer In AppleScript, a class that specifies a time, day of the month, month, and year how many
What is Brackets Angle Double Means what AppleScript to enclose raw data. With a U.S. keyboard, you can enter double angle brackets (also known as chevrons) by typing Option compare
What is Pane Duplex Description A pane in the Print dialog (available for some printers) that provides the option to print to both sides of a sheet of paper why
What is Caret Dual Definition 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 how better
What is Image Disk Explain 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 when
What is Tool Deployment What is J2EE application or component archives can be configured or assembled in preparation for deployment in OS X Server determines
What is Stack Driver Meaning driver objects (drivers and nubs) in client/provider relationships with each other. A driver stack often refers to the entire collection of comparing to
What is Library Shared Dynamic Abbreviation multiple, concurrently running programs. Programs share exactly one physical copy of the library code and do not require their own copies depends on
What is Layer Driver How to I/O Kit drivers for various networking types which
What is default keychain search list Help certain Keychain Services functions when no other keychain or list of keychains is specified in the function call. The default keychain difference
What is File Document Crossword A file containing a document when
What is Capital Drop Examples A large uppercase letter that drops below the main line of text for aesthetic reasons pros and cons
What is Processing Signal Digital Encyclopedia See DSP similarities
What is Display pop-up menu Information about when to display the Build Results window, overriding the default settings in the Building pane of Xcode Preferences how much
What is Highlighting Discontinuous Tutorial selection range it corresponds to. It may consist of discontinuous areas when the selection range crosses direction boundaries. Compare how many
What is Event Dvd Error Playback Services during playback. An event is specified with a type identifier and associated data. Client applications can register compare
What is Dithering Answer quality when you are attempting to display an image that exists at a higher bit-depth representation on a lower bit-depth device. For why
What is Decryption Means what The transformation of ciphertext back into the original plaintext . Compare encryption . See also asymmetric keys , symmetric keys how better
What is Editor Link Dynamic Description See dyld when
What is Descriptor Deployment Definition 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 determines
What is Id Digital Explain See digital certificate comparing to
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 depends on
What is Drawer Meaning 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 which
What is Space Device Abbreviation The coordinate system that defines the position and scale (pixel size) of a specific view device difference
What is Domain How to for software, documents, and resources and limiting the accessibility of those items. A domain is segregated from other domains. There are when
What is Dialog Modal Document Help performing further operations in the document until the user dismisses the dialog. All sheets are document modal and all Aqua document pros and cons
What is Boundary Direction Crossword A point, between offsets in memory or glyphs in a display, at which the direction of stored or displayed text changes similarities
What is Run Direction Examples A contiguous (in memory) sequence of characters having the same right-to-left or left-to-right line direction how much
What is Dac Encyclopedia that converts digital data to a corresponding analog signal. DACs are characterized by maximum sampling frequency, amplitude resolution in how many
What is Keychain Default Information about Keychain Services functions when no other keychain is specified in the function call. For example, newly created keychain items are stored compare
What is Formatter Data Tutorial In Xcode, a string that specifies how variables are displayed in debugger datatips and the variable list in the debugger why
What is Link Display Error specified hardware display, makes intelligent guesses as to how often frames must be output to synchronize with the display’s refresh rate how better
What is Ccess Dvd Answer 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 when
What is Button Default Means what in a dialog. The default button is indicated by a pulsing appearance. It is activated when the user presses the Return or Enter key determines
What is File Dmg Description An OS X disk image file comparing to
What is Dyld Definition 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 depends on
What is Matching Driver Explain nub, after discovering a specific hardware device, searches for the driver or drivers most suited to drive that device. Matching requires which
What is Range Dynamic 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 difference
What is Deinterleaving Meaning In digital audio , retrieving discrete channels from an interleaved representation. Also called reverse multiplexing. Compare interleaving when
What is Source Dispatch Abbreviation A Grand Central Dispatch (GCD) data structure that you create to process system-related events pros and cons
What is Dash How to applies to only part of the selection. For example, if a highlighted selection contains text with different styles applied to it, a dash similarities
What is Darwin Help source project that includes the Darwin kernel, the BSD commands and C libraries, and several additional features. The Darwin kernel is how much
What is Daemon Crossword requests or forwards a request to another process for handling. Daemons run continuously, usually in the background, waking only to handle how many
What is Compression Data Examples improve storage or transmission efficiency. Data compression can be lossy or lossless. Compression is a special case of encoding . See also compare
What is Object Url Document Encyclopedia document URL object comprises a scheme, a parent document URL object, and a name, with the format of each component defined by the client why
What is Depth Information about In OpenGL, refers to the z coordinate and specifies how far a pixel lies from the observer how better
What is Type Document Tutorial A family of document files characterized by a given file type , creator signature , or filename extension . Compare URL type when
What is List Display Error associated name and that are uploaded to the GPU, preprocessed, and then executed at a later time. Display lists are often used for determines
What is Guide Dynamic Answer that provides information about the position of a view relative to other objects on the design surface. Dynamic guides appear only when comparing to
What is Package Distribution Means what distribution script that specifies the installation experience for a product. Distribution packages provide a streamlined packaging depends on
What is Signature Digital Description message or other data using public key cryptography . To create a digital signature, the signer generates a message digest of the data and which
What is device-independent color space Definition 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 difference
What is Window Documentation Explain browsing and searching developer documentation. It provides access to a wider and more detailed view of the documentation than the Research when
What is Film Dvd 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 pros and cons
What is Direct to Java Client Meaning A WebObjects development approach that can generate a Java Client application from a model similarities
What is Driver Device Abbreviation 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 how much
What is Build Distributed How to In Xcode, a build that uses several computers to compile source files how many
What is Faults Deferred Help In WebObjects, a special kind of fault that represents a number of other faults in a single object. See also fault , faulting compare
What is Dashcode Crossword A graphical application used to build and debug Dashboard widgets why
What is Dimmed Examples grayed out to indicate that they are currently unavailable. Menu items, for example, are dimmed rather than omitted when they aren’t how better
What is Dma Encyclopedia some bus architectures that enables a bus controller to transfer data directly between a device (such as a disk drive) and a device with when
What is Run Data Information about See run , text run determines
What is Paging Demand Tutorial An operating-system facility that brings pages of data from disk into physical memory only as they are needed comparing to
What is Modeling Data Error The process of building a data model to describe the mapping between a relational database schema and an object model depends on
What is Mechanizm Coordinate Display Answer 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 which
What is Direct to Web Services Means what A WebObjects development approach that can generate a web service application from a model difference
What is Delegation Description object-oriented framework. In object-oriented design methodology, delegation is a form of class composition. (2) In AppleScript, the use of when
What is Menu Disc Definition titles are selected. The disc menu is sometimes called the title menu, which more accurately refers to the menu within a title from which pros and cons
What is Dialog Explain A window designed to elicit a response from the user. See also alert similarities
What is Printer Destination What is sent. This is the printer displayed in the Printer pop-up menu when the user clicks Print in the Print dialog how much
What is Driver Meaning See device driver how many
What is Window Document Abbreviation A window containing file-based data that users create and store compare
What is Browser Data How to 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 why
What is Data Help An AppleScript class used for data that do not belong to any of the other AppleScript classes; see the data class how better
What is Dialect Crossword A version of the AppleScript language that resembles a specific human language or programming language when
What is Space Color Device Examples system of color representation for a particular device. This type of color space is not suitable for interchanges of color data between determines
What is Definition Type Document Encyclopedia See DTD comparing to
What is Package Document Information about A package containing a document along with related resources depends on
What is Picker Date Tutorial A control that allows a user to input date and time information in either a textual or graphical format which
What is Collection Document Error See corpus difference
What is Diamond Answer In a Window menu, a mark that indicates that a document has been minimized into the Dock when
What is Personality Driver Means what specify device property values, such as family type, vendor name, or product name. A driver is suitable for any device whose properties pros and cons
What is Management Rights Digital Description See DRM similarities
What is Duration Definition takes for an animation to complete. (2) In QuickTime, time values that are interpreted as spans of time, rather than as points in time how much
What is Functions Access Direct Explain ATSUI functions that allow you to manipulate glyph data directly how many
What is Style Build Deployment What is A methodology of creating a product from a target that makes the product more appropriate for distribution to users compare
What is Decode Meaning signal from an encoded representation of it. For lossy encoding schemes such as MP3, the retrieved signal approximates the original signal why
What is Dpcm Abbreviation Differential pulse-code modulation. A variant of pulse-code modulation that encodes the difference between the current and previous sample how better
What is Diphthong How to phonetically represented by 2 characters. The characters represent the initial and final sounds of the diphthong when
What is Advance Device Help The number of pixels of the advance for the glyph as actually drawn on the screen determines
What is Strip Debugger Crossword A small control strip that appears above the content pane and contains controls for several debugging tasks comparing to
What is Style Build Development Examples A methodology of creating a product from a target that makes the product more appropriate for debugging and testing depends on
What is Db Encyclopedia See decibel which
What is Document Information about 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 difference
What is Player Dvd Tutorial plays DVD-Video media stored on an optical disc. The output device is generally a television set, although some players have built-in when
What is Interface Device Error 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 pros and cons
What is Configuration Build Default Answer The configuration Xcode uses when a project does not have a definition for the active build configuration similarities
What is Distance Means what In surround sound and immersive audio, the real or apparent straight line distance of an audio source from the listener how much
What is dyld (dynamic link editor) Description A utility that allows programs to dynamically load (and link to) needed functions how many
What is File Dsym Definition debugging information to minimize the size of the executable file without compromising the program’s debugging experience compare
What is Source Dispatch Descriptor Explain related events. A file descriptor source calls your custom event handler either when file data is available for reading or writing or in why
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 how better
What is Matching Device Meaning application finds an appropriate device interface to load. The application calls a special I/O Kit function that uses a matching dictionary when
What is Reference Data Abbreviation A reference to a QuickTime media structure’s data determines
What is Droplet How to 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 comparing to
What is Directory Help A file-system object containing zero or more other named objects (files or other directories depends on
What is Adaptor Source Data Crossword connects your application to a particular database server. For each type of server you use, you need a separate adaptor. WebObjects which
What is Handler Data Examples is responsible for reading and writing a media structure’s data. The data handler provides data input and output services to the media difference
What is Vehicle Delivery Encyclopedia The means of transport used by users of a product to obtain the product’s files. These include optical media and the Internet when
What is Desktop Information about The background on top of which all windows appear; the working environment displayed on Mac computers pros and cons
What is File Device Tutorial 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 similarities
What is Obszar Destination Error data dragged to it. In a document window, the destination region is usually the content area minus the title bar and areas used for how much
What is Dictionary Answer objects, and other terminology that is understood by an application or other scriptable entity. You can display an application’s dictionary how many
What is Dtd Means what Document type definition. A file that describes the structure of an XML document compare
What is Dither Description In audio, a low-amplitude noise applied to a signal to reduce quantization error. See also quantization noise why
What is Pager Default Definition The default pager handles nonpersistent (anonymous) memory. See also anonymous memory , pager , vnode pager how better
What is Dashboard Explain based programs called widgets. Activating the Dashboard via the F12 key displays a layer above the OS X desktop that contains the user’s when
What is Object Source Data What is An object supplied by AppleScript Studio that supplies data to a table view or other view with rows and columns determines
What is Fetch Deep Meaning fetch specifications that causes database fetches to occur against the root table and any leaf tables. Applicable to inheritance comparing to
What is Dlil Abbreviation the OS X kernel’s networking infrastructure that provides the interface between protocol handling and network device drivers in the I/O Kit depends on
What is Name Display How to 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 which
What is Set Documentation Help packaged as a standard OS X bundle. Each documentation set contains HTML-based content as well as indexes into that content, which Xcode difference
What is Dropframe Crossword In video, a synchronizing technique that skips timecodes to keep them current with video frames when
What is Dvd Examples greater capacity and bandwidth than CD-ROM; DVDs are frequently used for multimedia as well as data storage pros and cons
What is Node Documentation Encyclopedia documentation file or a folder of files within a set. Each documentation node is associated with a location that identifies the file to similarities
What is View Detail Information about or items that you select in the Groups & Files list, providing a convenient way for you to find and access project contents how much
What is Script Distribution Tutorial that contains all the information that defines an installation experience in a distribution package. See also distribution package how many
What is Direct to Java Client Assistant Error A WebObjects tool used to customize a Direct to Java Client application compare
What is Item Menu Dynamic Answer 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 why
What is Device Means what excluding the CPU and system memory, that can be controlled and can send and receive data. Examples of devices include displays, disk how better
What is Dbu Description level in decibels relative to 0.775 Volts RMS. dBu measurements assume a circuit load with infinite impedance. See also RMS when
What is Triangle Disclosure Definition disclosure, of information that elaborates on the primary information in a window. Disclosure triangles are used in the Finder’s list view determines
What is Object Drawable Explain 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 comparing to
What is Fork Data What is In a Macintosh file, the section that corresponds to a DOS/Windows file depends on
What is Line Descent Meaning 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 which
What is Recognition Deferred Abbreviation In the Ink Services technology, the process of recognizing an ink phrase that was drawn by the user at an earlier time difference
What is Buffer Depth How to 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 when
What is Debugger Help A process that lets you pause a program and examine its state pros and cons
What is Dpi Crossword used to measure the resolution of a screen or printer. The higher the value, the finer the detail of the image similarities
What is Buffering Double Examples color buffer to achieve smooth animation. The back buffer is not displayed, but swapped with the front buffer how much
What is Browser Dictionary Encyclopedia Seeterminology browser how many
What is Component Downgradable Information about A product component, such as an application binary or a plug-in, that can be replaced with an earlier version in an installation process compare
What is Decibel Tutorial ratio of two quantities, abbreviated as dB. The decibel difference between two power levels is equal to 10 times the common logarithm of why
What is Certificate Development Error A file that identifies an iPhone application developer. Xcode uses development certificates to sign application binaries how better
What is Library Dynamic Answer undefined symbols is delayed until execution. Code in dynamic shared libraries can be shared by multiple, concurrently running programs when
What is Marks Diacritical Means what A mark, such as an accent, that is used in conjunction with a character to indicate phonetic value determines
What is Diffie-Hellman key exchange Description ends of a communication session to generate symmetric private key s through the exchange of public key s comparing to
What is Dsp Definition analyzing or transforming digital representations of audio. Such transformations include, among others, filtering and equalization depends on
What is Digest Explain See message digest which
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 difference
What is Search Documentation Meaning In Xcode, a search composed of a search term, search type, and search scope when
What is Delay Abbreviation and another. In audio processing, the second event is typically a processed or unprocessed copy of the original event. Delay is a settable pros and cons
What is Hierarchy Object Document How to document exists at a location relative to a root document. The locations may may be real, as in a file system, or virtual similarities
What is Obiekt Dynamic Help A dynamic version of an HTML element. WebObjects includes a list of dynamic elements with which you can build web components how much
What is Button Disclosure Crossword provide the user with additional choices that are associated with a specific list-based selection control (such as a pop-up menu how many
What is Modal Document Examples anything else within a particular document until the window is dismissed. Sheets are document-modal windows. Compare application-modal compare
What is Parameter Direct Encyclopedia In AppleScript, the parameter immediately following a command, which typically specifies the object to which the command is sent why
What is Server Database Information about Database servers typically run on a dedicated computer and are accessed by client applications over a network how better
What is Declaration Tutorial a variable or property identifier in a script. The form and location of the declaration determine how AppleScript treats the identifier in when
What is Delta Device Error factional values for cases in which fractional positioning can’t be used. Device delta values are usually used when anti-aliasing is turned determines
What is Datatip Debugger Answer A way of viewing and modifying the contents of variables using a progressive disclosure mechanism comparing to
What is Surface Design Means what 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 depends on
What is Distortion Description and undesired, between the signals on the input and output of an audio device. Commonly measured types of distortion include harmonic which
What is Target Default Definition receives a command if no object is specified or if the object is incompletely specified in the command. Default (or implicit) targets are difference
What is Certificate Digital Explain identity of the holder or sender of the certificate. A digital certificate must conform to some standard in order for the recipient to be when
What is Unit Output Default What is An Apple-supplied audio unit that connects with whichever hardware device the user has designated to be the default output pros and cons
What is Application Default Meaning Services, according to its own implicit binding rules , in which to open a given document or URL in the absence of an explicit binding similarities
What is Attribute Derived Abbreviation not directly correspond to a column in a database. Derived attributes are usually calculated from a SQL expression how much
What is Area Drag How to The portion of a window that users can use to move the window how many
What is Descriptor Help An abstract identifier used to access a file, socket, or other system resource compare
What is Linking Dynamic Crossword executes, by the dynamic link editor (dyld). Usually the dynamic link editor binds modules into a program lazily (that is, as they are used why

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple Dynamic linking definition descriptor explain drag area what is derived attribute meaning default application abbreviation default output unit how to digital. OS Mac.

What is Dedicated network build definition Direct to Web template explain for developers.