Abstract: An air conditioner includes a plurality of flat tubes, a first header, a second header, a third header and a connecting pipe. The plurality of flat tubes are configured to circulate a gas-liquid two-phase refrigerant. The first header is disposed at an end of the plurality of flat tubes. The second header is disposed at another opposite end of the plurality of flat tubes, and includes a header body and at least one flow disturbing portion. The at least one flow disturbing portion is disposed in the header body and configured to disturb a flow of the gas-liquid two-phase refrigerant in the header body. The third header is disposed at the another opposite end of the plurality of flat tubes. The connecting pipe communicates with the header body of the second header and the third header.

Abstract: A housing assembly and an electronic device are provided. The housing assembly comprises a middle frame. The middle frame comprises a side surface. A first sound cavity, a second sound cavity and a sound output hole are arranged at the middle frame. One end of the first sound cavity corresponds to a receiver. The other end of the first sound cavity extends toward the side surface and communicates with the second sound cavity. The second sound cavity extends in a lengthwise direction of the side surface and is in communication with the sound output hole. The invention employs a sound guiding channel having an offset configuration to communicate a receiver with an external environment, thereby ensuring quality of an audio output while reducing an occupied region near the sound output hole and improving the appearance of a product to meet the appearance requirement.

Abstract: A transfer type contra-rotating geomagnetic energy storage-release delivery system is disclosed. The system includes a control system, a three-axis control moment canceller and an energy system, which are arranged on a delivery mother spacecraft, and the delivery mother spacecraft is connected, through support rod structures, with a strong magnetic moment generating device, a contra-rotating transmission mechanism and two delivery connection rod structures arranged at the two ends of the contra-rotating transmission mechanism, the strong magnetic moment generating device is arranged between the contra-rotating transmission mechanism and the delivery mother spacecraft, the two delivery connection rod structures are provided with slidable mass blocks respectively, and the strong magnetic moment generating device and the contra-rotating transmission mechanism provide energy through the energy system.

Abstract: Methods and systems to focus an imager for machine vision applications are disclosed. A disclosed example machine vision method includes: capturing, via an imaging assembly, an image of an indicia appearing within a field of view (FOV) of the imaging assembly; recognizing, via a controller, the indicia as a focus adjustment trigger, the focus adjustment trigger operative to trigger an adjustment of at least one focus parameter associated with the imaging assembly; adjusting the at least one focus parameter based at least in part on the indicia; locking the at least one focus parameter such that the at least one focus parameter remains unaltered for a duration; and responsive to the locking of the at least one focus parameter, capturing, via the imaging assembly, at least one subsequent image of an object of interest.

Abstract: A system parses a very long instruction word (VLIW) to obtain an execution parameter. The system obtains a first sliding window width count, a first sliding window height count, a first feature map width count, and a first feature map height count that correspond to first target data. In accordance with a determination that the first sliding window width count falls within the sliding window width range, the first sliding window height count falls within the sliding window height range, (the first feature map width count falls within the feature map width range, and the first feature map height count falls within the feature map height range, the system determines an offset of the first target data. The system also obtains a starting address of the first target data, and adds the starting address to the offset to obtain a first target address of the first target data.

Abstract: A method of data caching includes; determining a process corresponding to a read request communicated from a host, obtaining historical access information for the process according to historical process information stored in a cache, wherein the historical process information includes at least one of historical access information for the process and heat information for one or more regions historically accessed by the process, determining a first region historically accessed by the process according to the historical access information, such that heat information for the first region satisfies a first preset condition, and loading a physical address for the first region from a storage device to the cache.

Abstract: Techniques and mechanisms to manage deletions from data tables are disclosed. A request to delete data from at least one data table in an environment having tables storing data from multiple disparate sources is received. The environment can also have a delete request status table and a notification table. Processing of the delete request is managed utilizing a multi-stage workflow where stages of the multistage workflow are tracked by updating entries to the delete request status table. Completion of the delete request is verified by checking at least one entry in the delete request status table corresponding to the delete request. A corresponding entry is written to the notification table in response to a successful verified completion of the delete request.

Abstract: A camera mode to use for capturing an image or video is selected by estimating high dynamic range (HDR), motion, and light intensity with respect to a scene of the image or video to capture. An image capture device includes a HDR estimation unit to detect whether HDR is present in a scene of an image to capture, a motion estimation unit to determine whether motion is detected within the scene, and a light intensity estimation unit to determine whether a scene luminance for the scene meets a threshold. A mode selection unit selects a camera mode to use for capturing the image based on output of the HDR estimation unit, the motion estimation unit, and the light intensity estimation unit. An image sensor captures the image according to the selected camera mode.

Abstract: A prediction value determination method and a decoder are provided. The method is for a decoder and includes the following. A bitstream is parsed to obtain a decoding parameter of a current block. A first template of the current block is obtained when the decoding parameter indicates that the current block uses a rotate template mode, where the first template contains a neighbouring reconstructed sample of the current block. A reference region of the current block is determined. In the reference region, a matching template of the first template is determined according to a reference template processing parameter, where the reference template processing parameter is a parameter contained in the decoding parameter and used to construct the matching template. A matching block of the current block is determined according to the matching template. A prediction value of the current block is determined according to the matching block.

Abstract: An emulsifier with high temperature resistance, low viscosity and low corrosiveness, and an emulsified acid system comprising the same. The emulsifier includes a viscoelastic surfactant, which is prepared by a quaterization of fatty acid acyl propyl dimethylamine and a halogenated compound; by a quaterization of a long-chain halogenated hydrocarbon and a tertiary amine compound; or by a reaction of the fatty acid acyl propyl dimethylamine with a linking group synthesized by epichlorohydrin and an alkylamine compound.

Abstract: Mechanisms and techniques for providing an isolated runtime environment are disclosed. Scoped properties are generated utilizing a namespace identifier. The namespace identifier is an identifier used to define a scope of at least an isolated application runtime context. Scoped objects are generated corresponding to one or more dependent services utilizing the one or more scoped properties and the namespace identifier. A target application is deployed to a container corresponding to the isolated application runtime context. The target application interacts with at least some of the dependent services utilizing the namespace identifier. At least one integration test is run on the target application in the container. The integration tests refer to the isolated application runtime context utilizing the namespace identifier.

Abstract: A method for extracting and analyzing spatial information of a control and protection zone of rail transit with multiple threshold constraints, including the following steps: 1, performing format conversion on a data file and extracting a plurality of coordinate points; 2, selecting key points from the plurality of coordinate points for data simplification to obtain a simplified limit line, a simplified outer structure edge line and a simplified boundary line of construction; 3, programming the simplified limit line, the simplified outer structure edge line, and the simplified boundary line of construction, calling a database, and reading data therefrom for spatial relationship comparison; 4, determining whether the construction of a rail-involved construction project intrudes into a control and protection zone of rail transit according to a result of the spatial relationship comparison, thus completing the extraction and analysis of the spatial information of the control and protection zone of rail transit.

Abstract: A spacer, includes: a spacer body, including a first end and a second end disposed opposite to each other, material for the spacer body being an elastic material; and a groove, provided at the first end of the spacer body, such that the first end forms a sucker under pressure in a direction from the second end. A method of manufacturing the spacer, a display device, and a method of manufacturing the display device are further provided.

Abstract: Methods and systems to focus an imager for machine vision applications are disclosed. A disclosed example machine vision method includes: capturing, via an imaging assembly, an image of an indicia appearing within a field of view (FOV) of the imaging assembly; recognizing, via a controller, the indicia as a focus adjustment trigger, the focus adjustment trigger operative to trigger an adjustment of at least one focus parameter associated with the imaging assembly; adjusting the at least one focus parameter based at least in part on the indicia; locking the at least one focus parameter such that the at least one focus parameter remains unaltered for a duration; and responsive to the locking of the at least one focus parameter, capturing, via the imaging assembly, at least one subsequent image of an object of interest.

Abstract: Managing mutations in a data lake environment. A mutation request to cause write operations that modify data objects or structures within an environment for collecting unformatted raw data is received. The environment has at least a data table and a notification table. An entry is written to the data table with a streaming job configured to receive and process the mutation request. Entries to the data table specify at least records indicating changes to objects in the environment based on ingestion processing for the environment for collecting unformatted raw data and based on the mutation request. A corresponding entry is written to the notification table in response to a successful write attempt to the data table. The notification table entry has information about data table entries for a specified period. At least one data consumer is notified that the data table has been modified.

Abstract: Architectures and techniques to provide an extract-once framework for data ingestion into a data lake. A data consumption job to ingest data to multiple tables within a data collection platform is started. Checkpoint metadata corresponding to the data consumption job is retrieved from a checkpoint metadata store. A subset of processes from the data consumption job are performed. Checkpoint metadata is updated in response to completion of the subset of processes. A subsequent subset of processes from the data consumption job is performed. Checkpoint metadata is updated in response to completion of each of the at least one subsequent subset of processes from the data consumption job. Batch metadata is updated in response to completion of the data consumption job.

Abstract: A material placement method comprises: determining a target placement area, the target placement area being correspondingly provided with a target material storage apparatus; determining a movement track according to a current placement area and the target placement area; if each placement area which the movement track passes through is not reserved for occupancy, determining a material placement means according to a positional relationship between the movement track and the target material storage apparatus; placing a material in the target material storage apparatus according to the determined material placement means.

Abstract: Mechanisms and techniques for providing continuous integration and continuous deployment (CI/CD) for data lake applications are disclosed. Assembly of code for an app is managed with a CI platform to create a container within a shared environment within which the app runs. The container is isolated from other containers and bundles software, libraries and configuration files and can communicate with other containers through defined channels. The shared environment provides a platform for running the app. The app writes to one or more tables maintained in the shared environment. Assembly of subsequent versions of code for the app is managed by the CI platform. Deployment of the assembled subsequent version of the code to the container is managed by the CI platform. Integration tests are run on the deployed subsequent version of the code with the CI platform. The subsequent version of the code replaces the app in the shared environment when integration testing is complete.

Abstract: A data processing method for a convolutional neural network includes: (a) obtaining a matrix parameter of an eigenmatrix; (b) reading corresponding data in an image data matrix from a first buffer space based on the matrix parameter through a first bus, to obtain a next to-be-expanded data matrix, and sending and storing the to-be-expanded data matrix to a second preset buffer space through a second bus; (c) reading the to-be-expanded data matrix, and performing data expansion on the to-be-expanded data matrix to obtain expanded data; (d) reading a preset number of pieces of unexpanded data in the image data matrix, sending and storing the unexpanded data to the second preset buffer space, and updating, based on the unexpanded data, the to-be-expanded data matrix; and (e). repeating (c) and (d) until all data in the image data matrix is completely read out on the to-be-expanded data matrix.