Abstract: Managing dynamically allocated memory in a computer system in which garbage collection process is scheduled separately from data processing comprises initiating a system program and providing system memory for use by the system program, the system program being arranged to provide a processing environment, initiating an application program within the processing environment for performing one or more units of processing, allocating a portion of the memory for use by the application program for performing the processing, providing a first unit of processing to the application program, determining the proportion of the provided system memory in use on completion of processing of the first unit; and if the proportion exceeds a predetermined threshold, providing a memory recovery instruction to the system program to identify elements in the system memory occupied by objects or data inaccessible to the application program and to free the elements of the provided system memory.

Abstract: Managing dynamically allocated memory in a computer system in which garbage collection process is scheduled separately from data processing comprises initiating a system program and providing system memory for use by the system program, the system program being arranged to provide a processing environment, initiating an application program within the processing environment for performing one or more units of processing, allocating a portion of the memory for use by the application program for performing the processing, providing a first unit of processing to the application program, determining the proportion of the provided system memory in use on completion of processing of the first unit; and if the proportion exceeds a predetermined threshold, providing a memory recovery instruction to the system program to identify elements in the system memory occupied by objects or data inaccessible to the application program and to free the elements of the provided system memory.

Abstract: A method and system for identifying remote objects on a client system is provided. A client system (101) has a connection means (302) to access a component (310) on a remote system (103). The client system (101) has a graphical user interface (308) including a user interface object (306) representing the component (310) at the remote system (103). Means (304) are provided for applying a theme to the object (306) to distinguish it as representing a remote component (310). The graphical user interface (308) also includes user interface objects (307) for components local to the client system (101), and the means for applying a theme (304) applies distinguishing themes to the local objects (307) and the remote objects (306).

Abstract: A state table includes a plurality of possible states of a computer system and the corresponding actions which produce transitions between source and target states. A set of test programs is stored, each test program performing an action in the state table. A test selects an action corresponding to the current state of the computer system; executes the test program which performs the selected action; determines the state of the computer system after the test program has executed; and compares the determined state to the state indicated in the state table as the target state to the selected action on the source state. When an error is found, instead of stopping execution, the test operations to be performed are dynamically reconfigured. Weightings are dynamically allocated to actions in the state table to create a weighted set, and selection of the next test is carried out using random selection over the weighted set.

Abstract: A user interface is provided for displaying content supplied by a content provider in a view window. When the user interface detects user selection of zoom view mode, display settings of the view window are saved and a resized form of the document is displayed in the view window. When user selection of a location in the document is next detected, the user interface displays a portion of the document corresponding to the selected location, according to the previous display settings, such as display resolution/font size.

Abstract: A method and system are described for re-arranging a display in a viewable area (110). The method comprises dividing the viewable area (110) into units (130); determining the contents of units (130) of the viewable area (110); prioritising the availability of the units (130) by content; and allocating one or more display items (140) in the prioritised available units. A plurality of display items (140) is provided and the display items (140) are allocated according to a determined order which may depend on one or more of a user preference, the contents of the viewable area, the activity of the user, and environmental parameters.

Abstract: A method of removing a moving part from a video stream image comprising obtaining a plurality of frame-series images of the scene, each image comprising a moving part and a static part; comparing the plurality of frame-series images to identify parts of the scene that are static for a plurality of frames; and building part of the scene identified as static.