Abstract: Under one aspect, a method is provided for protecting a device from a malicious file. The method can be implemented by one or more data processors forming part of at least one computing device and can include extracting from the file, by at least one data processor, sequential data comprising discrete tokens. The method also can include generating, by at least one data processor, n-grams of the discrete tokens. The method also can include generating, by at least one data processor, a vector of weights based on respective frequencies of the n-grams. The method also can include determining, by at least one data processor and based on a statistical analysis of the vector of weights, that the file is likely to be malicious. The method also can include initiating, by at least one data processor and responsive to determining that the file is likely to be malicious, a corrective action.

Abstract: Systems and techniques are described herein for providing variable rate touch sampling for touch sensors. In one illustrative example, a method of processing one or more touch inputs includes determining whether a number of touch inputs received during a first time associated with a scan of a first portion of a touch screen corresponds to a high frequency touch rate or a low frequency touch rate. Based on a determination that the number of touch inputs received during the first time corresponds to the high frequency touch rate, the method can include analyzing the first portion of the touch screen associated with the high frequency touch rate for one or more touch inputs at a first scan rate and a second portion of the touch screen associated with the low frequency touch rate at a second scan rate (which can be lower than the first scan rate).

Abstract: Provided are a method and apparatus for evaluating insulation performance of a submarine cable, and a medium. The method includes: obtaining a first measured dielectric loss value, first current-limiting resistance, and first insulation resistance of a submarine cable; substituting the above parameters into an expression of the first measured dielectric loss value to calculate a first actual dielectric loss value, where the expression of the first measured dielectric loss value is calculated based on a preset expression of a total dielectric loss value, and the expression of the total dielectric loss value includes a first product and the to-be-solved first actual dielectric loss value; and evaluating insulation performance of the submarine cable based on the first actual dielectric loss value to obtain an insulation performance evaluation result. The present disclosure can solve a problem of low reliability of the insulation performance evaluation result of the submarine cable.

Abstract: A user equipment (UE) configured to receive, via user input, a selection of one of a plurality of connections or a QR code to activate a user equipment (UE), wherein the plurality of connections comprise a Wi-Fi connection or a bootstrap connection to a further device and activate the UE using the selected one of the connections or QR code.

Abstract: In methods of task message transmission, task execution data of a task execution system in a preset time period is obtained when the task execution system executes tasks that are carried in a plurality of task messages in the preset time period. Execution stage information of the task execution system is determined based on the task execution data. When the execution stage information indicates that the task execution system is at a first execution stage corresponding to a peak hour for the task execution system, a first priority of a first task message to be transmitted to the task execution system is calculated. The first task message is inserted into a first target position of a buffer queue based on the first priority. The first task message is transmitted to the task execution system by using the buffer queue. Apparatus and non-transitory computer-readable storage medium counterpart embodiments are also contemplated.

Abstract: A user equipment (UE) configured to receive, via user input, a selection of a short range communication connection to a further device to activate the UE, activate the UE using the short range communication connection and transfer settings from the further device to the UE via the short range communication connection.

Abstract: A debittering Kudingcha extract, a preparation method and a fingerprint detection method thereof are disclosed, which relates to the technical field of extract preparation and detection. The extract is prepared from Kudingcha by enzymolysis, water extraction, concentration, drying, purification and enrichment by a macroporous resin column, and drying. When the macroporous resin column is arranged for purification and enrichment, it is first rinsed with pure water, and then eluted with an ethanol solution with volume fraction of 30-80%, and an ethanol eluent is collected. The Kudingcha extract is purified with macroporous resin, which can retain its effective ingredients to the greatest extent while reducing the bitter taste, and enhance the effect of improving energy and resisting fatigue. The quality control of products through fingerprint is conducive to the improvement of product stability and further promotion of products.

Abstract: An optical scanner system for a LiDAR includes a light emitter, a light receiver, a controller, and a scanner. The light emitter can emit a detection laser. The light receiver can receive an echo generated by reflecting the detection laser by an object and generate an electrical signal based on the echo. The controller can communicate with the light emitter and the light receiver. At least one of the light emitter or the light receiver is arranged on a same circuit board as the controller. The scanner can reciprocate on two sides of an equilibrium position, scan the detection laser towards the outside of the LiDAR, and return the echo back to the inside of the LiDAR.

Abstract: Provided are a method and system for predicting the generated power of the new energy station based on the recurrent graph neural network. The method includes the following: A graph neural network model is pre-constructed, where the graph neural network model includes a graph neural network layer, a recurrent neural network layer, and a first full-connection layer; the historical weather forecast data of a target station, the actual power data of the target station, the historical weather forecast data of a source domain station, and the actual power data of the source domain station are acquired, and the graph neural network model is trained based on the historical weather forecast data of the source domain station and the actual power data of the source domain station to obtain a trained graph neural network model.

Abstract: A riding mower includes a mowing assembly including a mowing element and a deck accommodating at least part of the mowing element; a traveling assembly including at least left traveling wheels and right traveling wheels; a traveling electric motor for driving the traveling assembly; a grass collecting pipe connected to the deck to guide grass clippings; and a power supply device configured to supply power to the traveling electric motor. The projection of the grass collecting pipe on a first plane supporting the traveling assembly is at least partially located between the left traveling wheels and the right traveling wheels. The maximum total energy of the power supply device is greater than or equal to 0.5 kW·h and less than or equal to 6 kW·h.

Abstract: This application provides a signal sending method, an electronic device, and a computer-readable storage medium, which are applied to the field of communication technologies, to resolve problems of poor transmission efficiency and unstable performance of a user traffic channel that are caused because a current hybrid beamforming technology cannot resolve a compatibility problem of a plurality of analog beams. According to the signal sending method, an antenna array may be decoupled into a plurality of subarrays based on obtained configuration information, and a controller may control the plurality of subarrays to output a plurality of types of analog beams at a same moment.

Abstract: A non-transitory computer readable memory storing instructions, which, when executed by at least one data processor, causes the at least one data processor to perform the following operations. A first set of data characterizing a sample being examined with a radiation source and a detector is received. The first set of data includes a location of the sample and a duration of time the sample is at the location. A second set of data characterizing radiation dosage based on location is received. A dosage across the sample is determined based on the first set of data and the second set of data. A third set of data characterizing radiation dosage across the sample based on the determined dosage is provided.

Abstract: The present disclosure provides methods for rapidly assaying the titer of an RNA viral vector such as a lentiviral vector. The method can be used to quickly evaluate the titer of intermediate products in various steps of a lentiviral vector production process.

Abstract: The present invention belongs to the technical field of fluorine chemical industry, specifically relates to a preparation method of trans-1,1,1,4,4,4-hexafluoro-2-butene, comprising the following steps: preheating trans-2-ethoxy-1,1,1,4,4,4-hexafluoro-2-butene, mixing with hydrogen, reacting to obtain trans-1,1,1,4,4,4-hexafluoro-2-butene under the action of a catalyst. The selectivity of trans 1,1,1,4,4,4-hexafluoro-2-butene prepared by the preparation method of the present invention can reach 99%, the preparation method adopts moderate reaction temperature and produces less three wastes. The trans 1,1,1,4,4,4-hexafluoro-2-butene prepared by the preparation method has great application value in electric power, electrical appliances and electronics industries.

Abstract: An apparatus configured to determine an operation is to be performed, wherein the operation is related to a service type, determine that a current network connection does not support the operation, generate, for transmission to a bootstrap server, a request for a temporary bootstrap profile to perform the operation, wherein the request comprises an indication of the service type, process the temporary bootstrap profile and use the temporary bootstrap profile to perform the operation.

Abstract: A method for repairing a virtual machine in a cloud environment is provided. A server device receives a first request that is transmitted by a console, the first request includes a virtual machine identifier of a target virtual machine and requests a repair of the target virtual machine. An image database is queried for a target image identifier of a pre-made Live CD image corresponding to the virtual machine identifier. A target cloud block storage is created for storing the Live CD image. The target cloud block storage is mounted to a host machine that hosts the target virtual machine to cause the host machine to download the Live CD image from an image repository to store to the target cloud block storage, mount the target cloud block storage to the target virtual machine, and boot the target virtual machine via the target cloud block storage.

Abstract: This application sets forth techniques for transfer of a cellular wireless service plan associated with a SIM or an eSIM between non-linked wireless devices. A target wireless device broadcasts an advertisement beacon requesting transfer of a cellular wireless service plan. After successful authentication with a source wireless device, using a manually entered verification code or a QR verification code, the target wireless device selects a cellular wireless service plan to transfer. The source wireless device obtains a transfer token from an MNO entitlement server for transfer of the selected cellular wireless service plan and provides the transfer token to the target wireless device via a secure, short distance Bluetooth connection or, alternatively, embedded in an encrypted QR code. The target wireless device uses the transfer token to obtain a new eSIM associated with transfer of the cellular wireless service plan.

Abstract: A detection method (100) of a lidar (200), the lidar (200), and a system for a vehicle (300) including the same. The lidar (200) is capable of rotating around a rotating shaft, and includes an emitting unit (210) having a plurality of laser emitters (211). The detection method (100) includes: step S101, controlling the plurality of laser emitters (211) to emit laser beams for detection so that the lidar (200) has a non-uniform angular resolution along a horizontal direction; step S102, receiving echoes of the emitted laser beams for detection reflected by a target object and converting the echoes into electrical signals; and step S103, calculating a distance and/or reflectivity of the target object according to the electrical signals. Thereby, an angular resolution along a horizontal direction of the lidar (200) is flexibly configured, flight time and power consumption are reduced, and a detection range of the lidar (200) is improved.

Abstract: The present disclosure provides a page loading method, a device, and a storage medium. The method includes: preloading a preloaded resource of a first landing page into a memory cache of a first browser in response to a launch of a first application, where the first landing page is a third-party landing page; and in response to a load trigger operation on the first landing page, reading the preloaded resource of the first landing page from the memory cache through the first browser, and loading the first landing page based on the preloaded resource of the first landing page.