Abstract: A method includes: capturing a first image; detecting a plurality of barcodes in the first image; initiating a decode operation for each of the barcodes; controlling a display to present: in a first region of the display, a field of view of an image sensor, and in a second region of the display, a reference pane including (i) the first image, and (ii) a decode status indicator associated with a first barcode of the plurality of barcodes, the decode status indicator corresponding to an outcome of the decode operation for the first barcode; and updating the reference pane based on at least one further decode operation.

Abstract: A surface cleaning device includes a nozzle and an odor dial assembly. The nozzle includes a nozzle housing and a dirty air passageway. The odor dial assembly include a fragrance member and a dial body configured to be removably coupled to the nozzle housing. The dial body at least partially defines a fragrance cavity configured to at least partially receive the fragrance member and a fragrance passageway extending therethrough. The odor dial assembly is configured to transition between a plurality of user-selectable positions to adjust an amount of fragrance particles released by the fragrance member into the dirty air passageway.

Abstract: A method, system, apparatus, and computer-readable storage medium for detecting vulnerabilities in computer code. A computer processor calculates a function change log of a section of the computer code, the function change log comprising at least one intermediate change between a first version of the section of computer code and a second version of the section of computer code, the section of the computer code being similar to a computer-code vulnerability, and the first version is a version prior to the second version. The computer processor determines whether the section of the computer code comprises the computer-code vulnerability based on a similarity between the function change log and a fix change log, the fix change log comprising at least one code change for fixing the computer-code vulnerability.

Abstract: Disclosed is a prefabricated laminated slab made in accordance with a pretensioning fibermesh anti-cracking process and a manufacturing method thereof, and belongs to the technical field of fabricated structure engineering. The prefabricated laminated slab comprises a concrete layer, fiber grids, distribution bars and truss bars. The fiber grids are subjected to prestress tensioning and pouring to form a novel laminated slab with the pretensioning process, an overall pouring process of layered formworks is adopted, the construction problem during prestress tensioning of the fiber grids of the component can be effectively solved, the crack resistance of the laminated slab can be improved by adopting the prestress grids, the rigidity is increased, and the crack width under normal use conditions is reduced.

Abstract: A method, system, apparatus, and computer-readable storage medium for detecting vulnerabilities in computer code. A computer processor calculates a first change between a first version of a section of the computer code and a second version of the section of the computer code, the section of the computer code being similar to a computer-code vulnerability, and the second version is a version prior to the first version. The computer processor determines whether the section of the computer code comprises the computer-code vulnerability based on a similarity between the first change and a second change, the second change being a change between the computer-code vulnerability and a fix for the computer-code vulnerability.

Abstract: A painting assembly for a distance measuring wheel includes: a main body; a connecting device disposed on the main body and configured to connect the paining assembly to an arm member of the distance measuring wheel; a paint can fixing device disposed on the main body and configured to fix a paint can installed to the painting assembly; a communication device configured to receive a control signal for controlling a driving device; and the driving device connected to the main body and configured to: in response to the control signal, control a paint spraying state of the paint can.

Abstract: A surface cleaning device includes a nozzle and an odor dial assembly. The nozzle includes a nozzle housing and a dirty air passageway. The odor dial assembly include a fragrance member and a dial body configured to be removably coupled to the nozzle housing. The dial body at least partially defines a fragrance cavity configured to at least partially receive the fragrance member and a fragrance passageway extending therethrough. The odor dial assembly is configured to transition between a plurality of user-selectable positions to adjust an amount of fragrance particles released by the fragrance member into the dirty air passageway.

Abstract: A method includes: capturing an image; partitioning the image into sub-images; for each sub-image: providing the sub-image to a detection model, receiving, from the detection model, one or more sub-image regions of interest (SROIs), each SROI defined by (i) a position of the SROI, and (ii) one of a set of symbology categories, each symbology category encompassing a plurality of barcode symbologies; generating one or more regions of interest (ROI) from the SROIs, each ROI defined by a position of the ROI in the image, and a symbology category; and providing the ROIs to a decoder.

Abstract: A method for evaluating degree of an interstitial point of point cloud includes: building a tester, including a base, a first object, and a second object; mounting a LiDAR on the base, to cause that light emitted by the LiDAR can be incident to the first object and the second object; emitting detection pulses to the first object and the second object by the LiDAR; receiving echo pulses reflected by the first object and the second object, and generating point cloud based on the echo pulses; determining whether an interstitial point exists in the point cloud; increasing the distance between the first object and the second object when an interstitial point exists in the point cloud; repeating until no interstitial point exists in the point cloud, and recording the distance between the first object and the second object at this moment, to characterize the degree of the interstitial point.

Abstract: A sheath core assembly (100) and a delivery system are provided. The sheath core assembly (100) includes a sheath core (10) and a U-shaped anchor (20). The U-shaped anchor (20) includes an anchor body (21) and a stent fixing rod (22). The anchor body (21) surrounds the sheath core (10) and relatively fixed to the sheath core (10). The anchor body (21) includes a distal face (21a) and a proximal face (21b) which are opposite to each other, and an outer peripheral face (21c) surrounded between the distal face (21a) and the proximal face (21b). The distal face (21a) is larger than the proximal face (21b), and edge profiles of the distal face (21a) and the proximal face (21b) are arc-shaped. The outer peripheral face (21c) is an arc face having a smooth transition from the distal face (21a) to the proximal face (21b). A welding groove (24) is recessed in the outer peripheral face (21c) near a proximal end of the anchor body (21).

Abstract: A method includes: capturing an image; partitioning the image into sub-images; for each sub-image: providing the sub-image to a detection model, receiving, from the detection model, one or more sub-image regions of interest (SROIs), each SROI defined by (i) a position of the SROI, and (ii) one of a set of symbology categories, each symbology category encompassing a plurality of barcode symbologies; generating one or more regions of interest (ROI) from the SROIs, each ROI defined by a position of the ROI in the image, and a symbology category; and providing the ROIs to a decoder.

Abstract: Disclosed is a prefabricated laminated slab made in accordance with a pretensioning fibermesh anti-cracking process and a manufacturing method thereof, and belongs to the technical field of fabricated structure engineering. The prefabricated laminated slab comprises a concrete layer, fiber grids, distribution bars and truss bars. The fiber grids are subjected to prestress tensioning and pouring to form a novel laminated slab with the pretensioning process, an overall pouring process of layered formworks is adopted, the construction problem during prestress tensioning of the fiber grids of the component can be effectively solved, the crack resistance of the laminated slab can be improved by adopting the prestress grids, the rigidity is increased, and the crack width under normal use conditions is reduced.

Abstract: An oil-gas well, a well cementation method, and a cement composition are provided. The oil-gas well has a well body, a sleeve disposed in the well body, and a cement slurry cured product disposed between the well body and the sleeve. Due to the strength and toughness of the cement slurry cured product, at least part of the sleeve is a non-metal sleeve. By selecting specific cement, the cured product of cement has excellent mechanical strength and toughness, and is mated with the non-metal sleeve to achieve well cementation.

Abstract: A control method for a LiDAR. The method comprises: transmitting a multi-pulse sequence with a time interval encoding; receiving LiDAR echoes to determine whether the LiDAR echoes include a valid echo pulse sequence corresponding to the multi-pulse sequence; when the LiDAR echoes includes the valid echo pulse sequence corresponding to the multi-pulse sequence, determining whether the valid echo pulse sequence is interfered with according to a pulse characteristic of the valid echo pulse sequence; and when the valid echo pulse sequence is interfered with, adjusting the time interval encoding at a next transmission according to a distribution of an interference signal in the LiDAR echoes. The setting of the time interval encoding is adjusted at the next transmission according to the distribution of the interference signal in the LiDAR echoes. The pulse characteristic includes pulse intensities and pulse widths.

Abstract: A surface cleaning device includes a nozzle and an odor dial assembly. The nozzle includes a nozzle housing and a dirty air passageway. The odor dial assembly include a fragrance member and a dial body configured to be removably coupled to the nozzle housing. The dial body at least partially defines a fragrance cavity configured to at least partially receive the fragrance member and a fragrance passageway extending therethrough. The odor dial assembly is configured to transition between a plurality of user-selectable positions to adjust an amount of fragrance particles released by the fragrance member into the dirty air passageway.

Abstract: The present disclosure discloses an electronic cigarette, a battery thereof is connected to an atomizing device through a first power supply circuit, the battery is connected to a first detecting device through a second power supply circuit, and first information detected by the first detecting device is used to indicate whether the electronic cigarette is in a suction state. The electronic cigarette further comprises a switching key, an on-off key, a second detecting device and an MCU, the on-off key is configured for controlling the first power supply circuit to be ON and OFF, and the second information detected by the second detecting device is used to indicate the position of the switching key; the MCU controls the second power supply circuit to be ON and OFF according to the second information.

Abstract: A grip accessory for a manual injection device comprises a housing having a generally hollow body for supporting a manual injection device therein. The housing comprises a distal portion comprising a first opening into which a manual injection device can be inserted, a proximal portion comprising a second opening through which a needle of the manual injection device is extendable, the proximal portion comprising a skin contacting surface at a proximal end of the device. An intermediate portion extends between the proximal and distal portions and guide means is provided on an interior surface of the distal portion for guiding a plunger rod of an injection device during delivery of an injection.

Abstract: The disclosure provides a voltage output circuit. The voltage output circuit includes a control chip and a buck switch chip. The control chip includes a first control signal input terminal, a second control signal input terminal, and a modulation signal output terminal. The buck switch chip includes a first channel terminal, a first control terminal, and a second channel terminal. The first channel terminal receives a system power supply voltage. The first control terminal is connected to the modulation signal output terminal of the control chip. When the first control signal input terminal and/or the second control signal input terminal receives an effective level, the control chip controls the second channel terminal to output a driving voltage.

Abstract: A voltage output circuit and an electronic cigarette are provided. The voltage output circuit includes a control chip and a step-down switch chip. When a first switch element turns on, the modulation signal output terminal of the control chip outputs a pulse modulation signal to a first control terminal of the step-down switch chip, and access between a first access terminal and a second access terminal of the step-down switch chip is established, based on the effective pulse modulation signal. The output voltage of the second access terminal is less than a system power voltage. The voltage output circuit and the electronic cigarette outputs the pulse modulation signal to the step-down switch chip by the control chip, and the step-down switch chip outputs a suitable driving voltage to the load, such as a thermal wire, the voltage output circuit with simplified structure is adjustable and improved.

Abstract: A delivery device (100) is provided, including: a sheath core (20); a TIP head (40), the TIP head (40) being arranged at a distal end of the sheath core (20); and a fixing anchor (30), the fixing anchor (30) is arranged on an outer wall of the sheath core (20) and close to a proximal end of the TIP head (40); the sheath core (20) is fixed relative to the TIP head (40); the fixing anchor (30) is provided with a mounting portion (34), and a pull wire (60) can be accommodated in the mounting portion (34). In a process of loading a stent, the pull wire (60) applies an acting force on the fixing anchor (30), and the fixing anchor (30) is fixedly connected to the sheath core (20) and thus drives the sheath core (20), the TIP head (40) and the stent to move synchronously. Since the pull wire (60) does not directly come into contact with the stent, the stent can be prevented from being deformed due to the pressing of the pull wire (60) on the stent.