61results about How to "Occupy a lot" patented technology

The invention discloses a novel file-static-structure-attribute-based malware detection method, in particular a detection method for portable execute (PE) files and executable and linkable format (ELF) files. The method comprises the following steps of: in a training phase, extracting a file sample static structure attribute; preprocessing data, performing selection filtering by using a selectionfiltering algorithm and training a classifier by using the data; and in a detecting phase, classifying detected files by using the trained classifier according to the filtered static structure attribute to obtain a result indicating whether the files are malware or normal files. The novel file-static-structure-attribute-based malware detection method detects known or unknown malware with the accuracy of over 99 percent, has short detection time, occupies a few system resources and can be actually deployed in antivirus software. The method is not influenced by technology such as packing, aliasing, deformation, polymorphism and the like, can be applied to Windows and Linux platforms at present and also can be applied to embedded platforms such as various mobile phones, palm computers and the like.

A cache control method comprises steps as follows: a cluster comprising a plurality of servers forms a layered network structure; each layer in the structure is formed by connecting a plurality of nodes in the form of a set first structure; each first structure forms a node of the previous network structure; the bottommost layer comprises one or more first structures, each server in the cluster is taken as a node in the first structure of the bottommost layer; the first structure is formed by n nodes according to the preset rules: each node of the n nodes is connected with k nodes in the n nodes, k is larger than 0 and smaller than n, and n is larger than 1; and when cache data are judged to be updated, an update notification is sent to the first structure on the top layer and transmitted to the first structure on the bottommost layer in a layer-by-layer manner until all the nodes of the first structure on the bottommost layer acquire the updating notification, so that the servers in the cluster can update the cache data. The invention further provides a cache control system. According to the cache control method and system, the local cache of each server in the cluster can be timely updated and synchronized.

The invention discloses an image display method, device and system, and belongs to the technical field of image processing. The method includes receiving a close-up display instruction sent by a terminal; acquiring a close-up code stream corresponding to a close-up area from a video code stream of a panoramic image according to the location information of the close-up area in the panoramic image;and outputting the close-up code stream to a corresponding display unit. During the display of the close-up image, a decoding device can directly process the acquired video code stream of the panoramic image without acquiring the close-up code stream from a camera, thereby avoiding occupying excessive network resources.

The invention provides a task distribution method, device and system. The method comprises the steps that target data information sent by a target business line is received; the quantity of first target available resources in a target resource group corresponding to a target business line identifier is acquired; if the quantity of the first target available resources is not smaller than the quantity of target required resources, a target task is distributed to executive nodes connected with a general control node. Resource groups are utilized to isolate tasks of all business lines, a rated resource quantity is set for each resource group to limit the quantity of the resources which can be occupied by the business lines at most, and therefore the situation that when the tasks of one business line are excessive, most resources of the general control node are used for handling the tasks of the business line, and the tasks of the other business lines are ignored is avoided; as a result, the tasks of all the business lines can be isolated, and the purpose that the tasks of all the business lines do not affect one another is achieved.

The invention discloses a virtual resource dispatching and optimizing method based on cost performance. When a user applies for resources, the applied resources are configured in their own integration ratio sections; in the system running process, the types of physical servers are periodically judged, and for a heavy load server, a plurality of virtual resources with the small usage rate are migrated to a physical server with the rising integration ratio or the smaller integration ratio in an adjacent section; for a light load server, a plurality of virtual resources with the large usage rate are migrated to a physical server with the descending integration ratio or the larger integration radio in an adjacent section. According to the resource dispatching and optimizing method, on one hand, the high load virtual resources in the same integration ratio section can be migrated to the physical server with the low integration ratio, and the user occupies more physical resources while spending least cost; on the other hand, the light load virtual resources can be migrated to the physical server with the high integration ratio on the premise that the performance is not affected, and operating cost can be reduced.

The invention provides a method and apparatus for transmitting and acquiring uplink HARQ feedback information. The method includes the following steps: acquiring a business priority list; based on the business priority list, binding the HARQ feedback information of a downlink sub-frame from highest priority to lowest priority, generating to-be-transmitted HARQ feedback information; and successively designating an uplink sub-frame to the to-be-transmitted HARQ feedback information, and transmitting the to-be-transmitted HARQ feedback information to a base station. The method of transmitting uplink HARQ feedback information enables a user device to prioritize the transmission of HARQ feedback information of sub-frames having low time-delay requirements to the base station, and when the base station is informed of errors in the transmission of delay-sensitive business, enables the prioritization of re-transmission of downlink sub-frames which carry delay-sensitive business data, thus shortening the delivery of the delay-sensitive business data.

The invention relates to the relative technical filed of electric power optical fiber communication networks, in particular to a method and a device of route wavelength allocation of an electric power optical fiber communication network. The method of the electric power optical fiber communication network includes that service connection distribution requests are responded; multilevel interconnection virtual topological graphs are constructed according to physical topologies of the electric power optical fiber communication network, supported wavelength amount, destination nodes and originating nodes; route wavelength allocation initial disaggregation which conducts the route wavelength allocation to service of the destination nodes and the originating nodes are calculated according to available optical channel numbers and path lengths on links of the physical topologies of the electric power optical fiber communication network; a optimum solution is obtained form the route wavelength allocation initial disaggregation; and the route wavelength allocation is conducted to the service of the destination nodes and the originating nodes according to the optimum solution. According to the method and the device of the electric power optical fiber communication network, a route wavelength allocation problem is solved in one time through a dynamic routing and wavelength joint distribution method by utilizing of a wavelength multilevel interconnection virtual topological graph model.

The invention relates to the technical field of game special effect processing, in particular to a game special effect achievement method and device. The method can calculate a final coordinate valueof each pixel in a game map based on a Berlin noise algorithm, according to the final coordinate, the game map is sampled to obtain a final output color value, the final output color value is renderedto the corresponding pixel point, and the game special effect can be efficiently implemented based on the game map to avoid occupying more map resources.

The invention provides an audio playing method and device. The method comprises the following steps: acquiring a playing address of a target audio file; and transmitting the playing address to target intelligent audio playing equipment, so that the target intelligent audio playing equipment plays an audio stream after acquiring the audio stream of the target audio file according to the playing address. In the audio playing method and device, the target intelligent audio playing equipment can play the audio stream of the target audio file without requiring a terminal to download the target audio file, so that terminal resources are prevented from being occupied excessively; the intelligence degree of the intelligent audio playing equipment is raised; and user experience is improved.

The invention discloses a cache management method, device and a mobile terminal, pertaining to the technical field of computer mobile terminals. The method comprises following steps: obtaining image files; generating image controls in order to display the image files in the image controls; recording the number of generated image controls; and determining whether the number of generated image controls exceeds the pre-set value, releasing image resources of at least one part of image controls when the pre-set value is exceeded and notifying a virtual machine to recover image resources released.Therefore, image resources of at least one part of image controls are released when the number of generated image controls exceeds the pre-set value, namely, the cache occupies much and the virtual machine is notified to recover image resources released in order to release cache space. As a result, the cache does not occupy too much and the mobile terminal kept running smoothly

The invention discloses a multifunctional double-layer bed which includes two first supporters arranged symmetrically, two second supporters arranged symmetrically, and four supporting boxes arrangedsymmetrically. Two first transversal rods are respectively connected between the first supporters and the second supporters at the corresponding positions; two first supporting plates are fixedly connected to two opposite surfaces of the two first supporters on the same first supporter; a plurality of vertical blocking rods are arranged between the two first supporting plates at equal distances; aplurality of lower bed bodies are connected between the first supporters and the second supporters at the corresponding positions; a first groove is formed in each lower bed body; a first drawer is arranged in each first groove. The multifunctional double-layer bed has simple structure and is convenient to use. When a user needs to use the desk, the desk is raised and the user can use it by sitting on the lower bed bodies at the two sides; during rest time in night, the desk is descended to the same height as the lower bed bodies for rest. The double-layer bed can save space and make a well-regulated accommodation atmosphere, and is valuable to be promoted.

The invention provides a segmented construction method for a bow door of a ro-ro passenger ship, which can reduce the construction period of the ro-ro passenger ship. The segmented construction method for the bow door of the ro-ro passenger ship comprises the following steps: S1, independently constructing a first bow part section associated with the bow door, a second bow part section associated with the bow door, a bow part section and a bow door section; s2, pre-assembling the bow section and the bow door section; and S3, performing block assembly on the pre-assembled bow section, the pre-assembled bow door section, the first bow section associated with the bow door and the second bow section associated with the bow door, wherein the bow door section can be opened relative to the bow section. According to the segmented construction method for the bow door of the ro-ro passenger ship, the construction period of the ro-ro passenger ship can be shortened.

The embodiment of the invention provides a real-time calculating method and device of apodization coefficients in beam forming. According to the method, only position information of each array element, the specific values of the number of apodization indexes contained in the preset corresponding relationship between the apodization indexes and the apodization coefficients to the diameters of receiving holes and the preset corresponding relationship between the apodization indexes and the apodization coefficients need to be stored in a storage device in advance; therefore, when the apodizationcoefficients when one certain array element is in the central line of one receiving hole in a certain position and when the certain array element is in one receiving hole with a certain diameter needto be obtained, the apodization coefficients of the corresponding array element can be calculated in real time according to the pieces of data which is stored. By means of the method, the apodizationcoefficients when each array element is in the central lines of the receiving holes in different positions and when each array element is in the receiving holes with different diameters do not need tobe stored in the storage device in advance respectively, so that storage resources are saved.

The invention discloses a cache management method, device and a mobile terminal, pertaining to the technical field of computer mobile terminals. The method comprises following steps: calculating the file size of image files to be loaded; loading the image files for buffer; determining whether the cache occupation exceeds the pre-set value, and releasing the cache space by removing at least one part of pre-loaded images when the pre-set value is exceeded. Therefore, the cache space is released by removing at least one part of pre-loaded images when the buffer occupation exceeds the pre-set value such that a cache does not occupy too much and the mobile terminal is kept running smoothly.

The invention relates to the technical field of Internet of Things building control, in particular to a smart building control method and system based on Internet of Things sensing; the system comprises a data collection module which is used for collecting original data; a local control module, which is used for analyzing the original data and obtaining and uploading an analysis result and an abnormal notification; a first control instruction, which is generated and sent to the action execution module according to the analysis result; a central processing module, which is used for receiving the analysis result, judging whether the analysis result is abnormal or not, if the analysis result is abnormal, receiving an abnormal notice, and generating and sending a sampling detection instruction to the sampling error correction module; a sampling error correction module, which is used for carrying out sampling detection according to a reservoir sampling algorithm and generating and sending a second control instruction according to a detection result; an action execution module, which is used for executing corresponding actions according to the first control instruction and the second control instruction. According to the invention, the real-time performance of internet-of-things control can be improved, and the complexity of control can be reduced.