Abstract: A control method and apparatus for displaying multimedia content, an electronic device, and a medium. The method includes: displaying a first-type multimedia content on a first content display layer of a first-type multimedia content display interface, the first-type multimedia content display interface including: a first user interaction layer and the first content display layer, the first user interaction layer being superimposed and displayed on the first content display layer; and receiving a first swiping operation inputted by a user on the user interaction layer, and exiting the first-type multimedia content display interface. That is, a swiping operation triggers to exit the first-type multimedia content display interface, as the swiping operation is significantly different from a click operation, the user is provided with a multimedia content display control method that is more consistent with the user's operation habit, improving the user experience.

Abstract: A data processing method performed by a first device includes: generating, in response to first service data satisfying a data uploading condition, a first bit array corresponding to the first service data; encrypting the first bit array through a data key to obtain a ciphertext bit array, the data key being generated by a second device in a data intersection application run in a trusted execution environment of the second device; and transmitting the ciphertext bit array to a blockchain node for forwarding to a second device, for the second device to decrypt, in the data intersection application through the data key, the ciphertext bit array to obtain the first bit array.

Abstract: Disclosed in the present application are a concrete protection material, and a preparation method and a construction method therefor. The concrete protection material consists of 50%-90% of a component A and 10%-50% of a component B in percentage by weight, where the component A is prepared from 30%-65% of organic silicon, 2%-5% of nano-silicon dioxide and the balance of an organic solvent in percentage by weight; and the component B is prepared from 20%-50% of an organic base and the balance of water in percentage by weight. The present application not only can form nano-particles having a strengthening effect in capillary channels of a concrete surface layer, but also can achieve a technical effect of superhydrophobicity on the concrete surface layer.

Abstract: Various embodiments disclose a method for operating a printer apparatus that includes a print head. The method includes causing a media hub to retract a media in a retract direction along a media path. Further, the method includes causing a first media sensor to generate a first signal during retraction of the media. Furthermore, the method includes monitoring the first signal to detect at least one of a leading edge or a trailing edge of a label of the plurality of labels. Upon detecting the at least one of the leading edge or the trailing edge of the label, causing the media hub to retract the media by at least a predetermined distance, wherein the predetermined distance is a distance between the print head and the first media sensor.

Abstract: The present invention provides a GPS interference source positioning method, apparatus, electronic device, and readable storage medium, which relates to the technical field of wireless communications.

Abstract: A fruit and vegetable washing apparatus, including a container, a circulation-driving mechanism, and a scrubber; the container is formed with a circulation passage, the circulation passage including a fruits/vegetables flowing and staging zone and a brush washing zone, where on washing fruits/vegetables, the circulation passage provides a passageway for wash water and the fruits/vegetables to circulate between the fruits/vegetables flowing and staging zone and the brush washing zone; the scrubber is disposed in the brush washing zone, such that on washing the fruits/vegetables, the scrubber brushes the passing fruits/vegetables; the circulation-driving mechanism is configured to provide a driving force which, on washing the fruits/vegetables, drives the wash water and the fruits/vegetables to circulate in the circulation passage, the fruits/vegetables being brushed when sequentially passing through the brush washing zone, with a better cleaning effect achieved.

Abstract: A mop bucket for cleaning and squeezing a flat mop, comprises a bucket body and a squeezing device disposed inside the bucket body; wherein, the bucket body has a squeezing water section and a cleaning section, which are respectively at two different positions when used; when the mop head of the flat mop is removably inserted into the squeezing device, the squeezing device presses against the wiper on the mop head and scrapes the wiper on the mop head. The present invention also discloses a cleaning tool set. The mop bucket of the present invention can clean and squeeze a wiper on the flat mop by integrating both functions of cleaning and squeezing together, provide better cleaning and squeezing effects, and realize a convenient and labor-saving squeezing operation and pleasurable user experience.

Abstract: A mop bucket for cleaning and squeezing a flat mop, including a bucket body and a squeezing device disposed inside the bucket body; the bucket body has a squeezing water section and a cleaning section, which are respectively at two different positions when used; when the mop head of the flat mop is removably inserted into the squeezing device, the squeezing device presses against the wiper on the mop head and scrapes the wiper on the mop head. The embodiments also include a cleaning tool set. The mop bucket can clean and squeeze a wiper on the flat mop by integrating both functions of cleaning and squeezing together, provide better cleaning and squeezing effects, and realize a convenient and labor-saving squeezing operation and pleasurable user experience.

Abstract: A mop bucket for cleaning and squeezing a flat mop, includes a bucket body and a squeezing device disposed inside the bucket body; the bucket body has a squeezing water section and a cleaning section, which are respectively at two different positions when used; when the mop head of the flat mop is removably inserted into the squeezing device, the squeezing device presses against the wiper on the mop head and scrapes the wiper on the mop head. The embodiments also include a cleaning tool set. The mop bucket can clean and squeeze a wiper on the flat mop by integrating both functions of cleaning and squeezing together, provide better cleaning and squeezing effects, and realize a convenient and labor-saving squeezing operation and pleasurable user experience.

Abstract: A display system is provided. The display system includes a picture generation unit, a diffuser screen, and a curved mirror. The picture generation unit is configured to generate a real image and perform imaging on the diffuser screen. The diffuser screen is configured to perform diffuse reflection on the real image. The curved mirror is configured to perform imaging based on the real image obtained through diffuse reflection, to generate a magnified virtual image.

Abstract: A mop bucket for cleaning and squeezing a flat mop, comprises a bucket body and a squeezing device disposed inside the bucket body; wherein, the bucket body has a squeezing water section and a cleaning section, which are respectively at two different positions when used; when the mop head of the flat mop is removably inserted into the squeezing device, the squeezing device presses against the wiper on the mop head and scrapes the wiper on the mop head. The present invention also discloses a cleaning tool set. The mop bucket of the present invention can clean and squeeze a wiper on the flat mop by integrating both functions of cleaning and squeezing together, provide better cleaning and squeezing effects, and realize a convenient and labor-saving squeezing operation and pleasurable user experience.

Abstract: A mop bucket for cleaning and squeezing a flat mop, comprises a bucket body and a squeezing device disposed inside the bucket body; wherein, the bucket body has a squeezing water section and a cleaning section, which are respectively at two different positions when used; when the mop head of the flat mop is removably inserted into the squeezing device, the squeezing device presses against the wiper on the mop head and scrapes the wiper on the mop head. The present invention also discloses a cleaning tool set. The mop bucket of the present invention can clean and squeeze a wiper on the flat mop by integrating both functions of cleaning and squeezing together, provide better cleaning and squeezing effects, and realize a convenient and labor-saving squeezing operation and pleasurable user experience.

Abstract: Systems and methods for managing a highly available distributed hybrid database comprising: a memory storing instructions; and one or more processors configured to execute the instructions to: receive a query from a user device to retrieve data from a distributed database comprising a source node, a first plurality of replica nodes, and a second plurality of replica nodes, wherein the source node and the first plurality of replica nodes form a transactional cluster, and wherein the second plurality of replica nodes forms an analytical cluster; determine whether to process the query using the transactional cluster or the analytical cluster based on one or more rules; translate the query into a first protocol that the determined cluster comprehends; select a replica node corresponding to the determined cluster; process the query using the selected replica node; and send data associated with results from processing the query to the user device.

Abstract: Systems and methods for managing a highly available distributed database comprising: a memory storing instructions; and one or more processors configured to execute the instructions to: determine that a source node, in a distributed database comprising the source node and one or more replica nodes, is not available; select a most-updated replica node from the one or more replica nodes; switch a role of the most-updated replica node to source; update a data store to label the source node as unavailable and the selected replica node as being a promoted source node; send a notification to a user device to update a database topology based on the updated data store; determine whether the user device has updated the database topology; and upon determining the user device has not updated the database topology, continue to send the notification to the user device until the user device has updated the database topology.

Abstract: This application provides example multi-focal-plane image generation apparatuses, example head-up display apparatuses, example methods, and example devices. One example apparatus includes a pattern generation device and a focal length adjuster. The pattern generation device is configured to generate a light beam that carries image information, and irradiate the light beam to a surface of the focal length adjuster. The focal length adjuster is configured to perform focal length adjustment on the light beam that is irradiated to the surface of the focal length adjuster to generate a plurality of focal planes of the multi-focal-plane image generation apparatus.

Abstract: A display apparatus and a display system are provided, and relate to the field of display device technologies, to enhance visual experience generated when a picture is displayed by using an existing reflective display window such as a windshield and a bathroom mirror, so that a sense of presence and immersion is improved. The display apparatus includes an image generation unit and an optical imaging unit. The image generation unit is configured to generate a real image whose display surface is a curved surface. The optical imaging unit is configured to perform imaging on the real image, to generate an enlarged virtual image corresponding to the real image, where a display surface of the virtual image is a curved surface adaptive to the display surface of the real image.

Abstract: A display apparatus and method are provided. The display apparatus includes a multi-focus image generation unit and a time sequence control unit. The multi-focus image generation unit is connected to the time sequence control unit. The time sequence control unit is configured to: generate a plurality of time sequence instructions that belong to a first switching period, and send the plurality of time sequence instructions that belong to the first switching period. The multi-focus image generation unit is configured to: receive the plurality of time sequence instructions that belong to the first switching period from the time sequence control unit, and generate a plurality of corresponding 3D image blocks at different distances based on the plurality of time sequence instructions. The plurality of 3D image blocks respectively corresponds to a 3D image and include different depth information for display in the first switching period.

Abstract: A mop bucket for cleaning and squeezing a flat mop, comprises a bucket body and a squeezing device disposed inside the bucket body; wherein, the bucket body has a squeezing water section and a cleaning section, which are respectively at two different positions when used; when the mop head of the flat mop is removably inserted into the squeezing device, the squeezing device presses against the wiper on the mop head and scrapes the wiper on the mop head. The present invention also discloses a cleaning tool set. The mop bucket of the present invention can clean and squeeze a wiper on the flat mop by integrating both functions of cleaning and squeezing together, provide better cleaning and squeezing effects, and realize a convenient and labor-saving squeezing operation and pleasurable user experience.

Abstract: A system for database backup including a controller, a metadata database coupled to the controller, a backup tool coupled to the controller, and a plurality of nodes coupled to the backup tool and accessed through a file system. The controller is configured to determine a first data change in node; in response to determining the first data change, freeze the file system; and generate an incremental snapshot of the at least one of the plurality of nodes (where the incremental snapshot including a portion of the at least one of the plurality of nodes). The controller is also configured to upload an encrypted copy of the incremental snapshot to a cloud storage; update the metadata database by storing an entry associating the incremental snapshot with the at least one of the plurality of nodes and unfreezing the file system.