Abstract: Disclosed in the present invention is a water filling and drainage test device and method for a prefabricated crack-containing reinforced concrete lining pressure tunnel. The test device comprises a cylindrical barrel, a reinforced concrete lining containing prefabricated cracks, surrounding rock, geotechnical cloth, a front flange, a rear flange, and a monitoring instrument. The surrounding rock is proximate to an inner wall of the cylindrical barrel, and the reinforced concrete lining containing the prefabricated cracks is inside of the surrounding rock; and the front flange and the rear flange are fixed at two ends of the cylindrical barrel. The test device is used for carrying out a water filling and drainage test on the pressure tunnel, and observing the change in the width of the prefabricated cracks and the conditions of the pressure tunnel.

Abstract: A method includes, when an AI control is in an enabled state, an electronic device may determine whether a recommendation condition of a video recording mode is currently met based on a preview picture acquired by a camera in real time and/or another acquisition parameter. If a recommendation condition of a first video recording mode is met, the electronic device displays an icon corresponding to the first video recording mode on the preview interface, where the icon is for interaction with a user. When a condition for canceling recommendation of the first video recording mode is met, the electronic device cancels the display of the icon of the first video recording mode; and when a recommendation condition of a second video recording mode is met, the electronic device displays an icon of the second video recording mode on a preview interface.

Abstract: Embodiments of this application provide a video recording method and a related apparatus. The method includes: displaying a first interface including a first window, where pictures acquired by a camera in real time and tracking identities are displayed in the first window; receiving a first operation for a first tracking identity; displaying a second interface in response to the first operation, where the second interface includes the first window and a second window, a part of pictures related to a first object in the first window are displayed in the second window, and the first object is an object corresponding to the first tracking identity; detecting, at a first moment, that the first object is displayed at a first position of the first window, and detecting, at a second moment, that the first object is displayed at a second position of the first window.

Abstract: A recording method which includes: displaying a first interface of a camera application; at a first moment, when detecting that a first position of a first picture includes a first object, including the first object in a second picture; at a second moment, when detecting that a second position of the first picture includes the first object, including the first object in the second picture; at a third moment, when detecting that the first picture does not include the first object, skipping including the first object in the second picture as well; at a first moment, when detecting that a third position of the first picture includes the first object, including the first object in the second picture; and at a fifth moment, when detecting that a fourth position of the first picture includes the first object, including the first object in the second picture.

Abstract: Embodiments of this application provide a recording method and apparatus, and a storage medium. The method is applied to a terminal device including a first camera, and the method includes: displaying, by the terminal device, a first interface of a camera application, where the first interface includes a first window and a second window; at a first moment, when the terminal device detects that a first position of the first picture includes a first object, including the first object in the second picture; at a second moment, when the terminal device detects that a second position of the first picture includes the first object, including the first object in the second picture; and at a third moment, stopping, by the terminal device in response to a trigger operation of a user on a first button, the second window, and continuing to display the first window.

Abstract: This application provides an electronic device control method and an electronic device. The method includes: displaying a first screen, wherein the first screen comprises a first control displayed at a first position, wherein a first side of the electronic device is at a first angle with respect to a direction of gravity; detecting a first operation on the first control, and shooting, by the electronic device, a first image; receiving a second operation on the electronic device, wherein, after the second operation, the first side of the electronic device is at a second angle with respect to the direction of gravity; displaying, by the electronic device in response to the second operation, a second screen, wherein the second screen comprises: a second control displayed at a second position; and detecting a third operation on the second control and shooting, by the electronic device using the camera, a second image.

Abstract: Embodiments of this application provide a video shooting method and an electronic device, and relate to the field of terminal technologies. The method is applied to an electronic device including a display, a first camera, and a second camera. The method includes: displaying, in a first region of the display, a first image collected in real time by the first camera, and displaying, in a second region of the display, a second image collected in real time by the second camera; responding to a detected user operation, displaying a third image in a third region of the display, and displaying a fourth image in a fourth region of the display, where the third region is different from the first region, and the fourth region is different from the second region.

Abstract: This application provides a photographing method and an electronic device. The electronic device can display a photographing preview interface, where the photographing preview interface includes a first image collected by a first camera and a second image collected by a second camera. If the first camera detects a first gesture, the electronic device displays a first identifier; and if the first camera detects a second gesture within a preset time after the first identifier is displayed, the electronic device continues to display the first image in the photographing preview interface, and stops displaying the second image.

Abstract: A large-scale MIMO (Multiple-Input Multiple-Output) wireless transmission method for millimeter wave/Terahertz networks is provided. In order to reduce the interruption of propagation in the millimeter wave/Terahertz band, a plurality of cells are combined into a wireless transmission network, the base station in each cell is equipped with a large-scale antenna array, and a unitary transformation matrix is used to achieve large-scale beam coverage for user terminals in the entire network. Moreover, in order to reduce the influence of the multipath and Doppler effects on transmission performance, received signals are synchronized for time and frequency in each receiving beam of a user terminal. The method allocates power for signal transmission according to the statistic information of synchronized equivalent channels, and gives an optimal power allocation matrix by iterative solution based on the CCCP (concave-convex procedure) and the deterministic equivalent method.

Abstract: A large-scale MIMO (Multiple-Input Multiple-Output) wireless transmission method for millimeter wave/Terahertz networks is provided. In order to reduce the interruption of propagation in the millimeter wave/Terahertz band, a plurality of cells are combined into a wireless transmission network, the base station in each cell is equipped with a large-scale antenna array, and a unitary transformation matrix is used to achieve large-scale beam coverage for user terminals in the entire network. Moreover, in order to reduce the influence of the multipath and Doppler effects on transmission performance, received signals are synchronized for time and frequency in each receiving beam of a user terminal. The method allocates power for signal transmission according to the statistic information of synchronized equivalent channels, and gives an optimal power allocation matrix by iterative solution based on the CCCP (concave-convex procedure) and the deterministic equivalent method.

Abstract: Methods and systems for modifying software programs are disclosed. For instance, an example method for modifying a software program may include extracting, from a configuration program file, a future list of one or more future active entries relating to a future version of the software program and a future list of one or more future ghost entries relating to the future version of the software program, comparing the future lists of future active and ghost entries to current lists of current active entries and current ghost entries of a current version of the software program. Then, at least one upgrade or at least one downgrade of the current version of the software program is performed in response the comparison of the current and future lists.

Abstract: Methods and systems for modifying software programs are disclosed. For instance, an example method for modifying a software program may include extracting, from a configuration program file, a future list of one or more future active entries relating to a future version of the software program and a future list of one or more future ghost entries relating to the future version of the software program, comparing the future lists of future active and ghost entries to current lists of current active entries and current ghost entries of a current version of the software program. Then, at least one upgrade or at least one downgrade of the current version of the software program is performed in response the comparison of the current and future lists.

Abstract: Examples include a network device to filter a packet for a packet type. The network device includes a filter to receive the packet and to determine whether the packet is a defined packet type. The network device also includes a Bloom filter to receive the packet from the filter based on the determination that the packet is a defined packet type and to determine whether the packet is a matched packet or an unmatched packet. A processing resource of the network device may receive the packet from the Bloom filter based on the determination that the packet is a matched packet and to determine whether the packet is an exact match.

Abstract: Examples include a network device to filter a packet for a packet type. The network device includes a filter to receive the packet and to determine whether the packet is a defined packet type. The network device also includes a Bloom filter to receive the packet from the filter based on the determination that the packet is a defined packet type and to determine whether the packet is a matched packet or an unmatched packet. A processing resource of the network device may receive the packet from the Bloom filter based on the determination that the packet is a matched packet and to determine whether the packet is an exact match.

Abstract: Disclosed herein is a technique that compares a first series of bits associated with a configuration file with a second series of bits associated with computer readable instructions so as to determine whether the configuration file is compatible with the instructions.

Abstract: Disclosed herein is a technique that compares a first series of bits associated with a configuration file with a second series of bits associated with computer readable instructions so as to determine whether the configuration file is compatible with the instructions

Abstract: Suture dispensers for retaining armed sutures are disclosed. The dispenser disclosed is comprised of two flat panels of material that each have a central opening. A needle park is provided so that the needle is visible in and accessible though the central openings. In preferred embodiments, the needle park is made of a thin sheet of clear material. Several alternate needle park designs are also disclosed. The two panels are preferably locked together using edge locks in the form of corresponding slits and tabs formed on the panels themselves. In addition to being inexpensive, easy to manufacture and easy to fill, the disclosed dispensers is much thinner than current designs and thus requires less storage and shipping space. Methods of loading dispensers are also disclosed.

Abstract: Suture dispensers for retaining armed sutures are disclosed. The dispenser disclosed is comprised of two flat panels of material that each have a central opening. A needle park is provided so that the needle is visible in and accessible though the central openings. In preferred embodiments, the needle park is made of a thin sheet of clear material. Several alternate needle park designs are also disclosed. The two panels are preferably locked together using edge locks in the form of corresponding slits and tabs formed on the panels themselves. In addition to being inexpensive, easy to manufacture and easy to fill, the disclosed dispensers is much thinner than current designs and thus requires less storage and shipping space. Methods of loading dispensers are also disclosed.

Abstract: Suture dispensers for retaining armed sutures are disclosed. The dispenser disclosed is comprised of two flat panels of material that each have a central opening. A needle park is provided so that the needle is visible in and accessible though the central openings. In preferred embodiments, the needle park is made of a thin sheet of clear material. Several alternate needle park designs are also disclosed. The two panels are preferably locked together using edge locks in the form of corresponding slits and tabs formed on the panels themselves. In addition to being inexpensive, easy to manufacture and easy to fill, the disclosed dispensers is much thinner than current designs and thus requires less storage and shipping space. Methods of loading dispensers are also disclosed.