Apple Mac OS developers glossary letter D

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

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple Document collection definition double buffering explain duration what is document window meaning document URL object abbreviation device advance how to dash. OS Mac.

What is Droplet definition digital signal processing explain data reference for developers.