Abstract: Provided are a security protection method and apparatus. The security protection method includes: generating software versions based on diversity compilation, and constructing a software version pool using the software versions as heterogeneous functional equivalents; and dynamically deploying a software version on a network element according to the software version pool.

Abstract: The present disclosure provides an information processing method and apparatus, a terminal, and a storage medium. The information processing method comprises: receiving first task information at an instant messaging client, and displaying the first task information in a first category interface of a task interface of the instant messaging client; and in response to a preset operation of the first task information, displaying second task information in a second category interface of the task interface of the instant messaging client, wherein executors of the first task information and the second task information are different. The present disclosure classifies tasks more accurately and facilitates the tracking and management of the tasks.

Abstract: The disclosure relates to the technical field of computers, in particular to an information processing method and apparatus, an electronic device, and a storage medium. The information processing method provided by the disclosure includes: displaying a messaging interface, the messaging interface being configured to display a chat message; determining at least one chat message in the messaging interface; and in response to a task creation instruction, generating task information based on the determined message. According to the information processing method provided by the disclosure, by determining the chat message in the messaging interface and generating the task information based on the determined chat message, it can be facilitated for a user to create a task based on the chat message in the messaging interface, thereby improving the creation efficiency of the task information.

Abstract: There is provided an information processing method, apparatus, electronic device, and storage medium for information processing. The information processing method includes: receiving first task information; and displaying second task information in a task interface after a first preset control in the first task information is triggered, where participants of the first task information and the second task information are different, and display regions for the participants are different from display regions for executors or creators of corresponding task information. By enabling a user to follow or participate in the first task information in response to an operation on the first preset control in the first task information, and displaying the second task information including following or participation information in the task interface, corresponding users can be informed about the progress of corresponding tasks in time and can receive notifications of the progress of the corresponding tasks in time.

Abstract: A method for laser distance measuring includes: emitting an incident ray ? having an incident angle ? to a reflective surface of a laser reflecting mirror (31), the incident ray ? being reflected by the laser reflecting mirror (31) to generate a first reflected ray ?, and the first reflected ray ? irradiating an object to be measured (1000); capturing a second reflected ray ? and generating a laser image on a laser imaging plane (3221), the second reflected ray ? being generated by the reflective surface of the laser reflecting mirror (31) reflecting a return ray ? generated after the first reflected ray ? irradiates a surface of the object to be measured; and determining, based on the laser image, a measurement distance A according to a geometrical trigonometry.

Abstract: An electronic cigarette includes an atomizer with a first storage chamber formed in an end thereof, a first elastic element received in the first storage chamber, a first push pin slidably received in the first storage chamber. The first push pin is capable of sliding along an axial direction of the first storage chamber; an end of the first push pin abuts against the first elastic element. The electronic cigarette further comprises a power source assembly with a second storage chamber formed in an end thereof that is closer to the atomizer, a second elastic element received in the second storage chamber, a second push pin slidably received in the second storage chamber; the second push pin is capable of sliding along an axial direction of the second storage chamber; an end of the second push pin abuts against the second elastic element.

Abstract: A navigation prompt message method includes acquiring a planned driving path including a first intersection and a second intersection to be passed successively. The method further includes, in response to the second intersection being located within a distance threshold of the first intersection, acquiring lane information of a connecting road between the first intersection and the second intersection. In response to the second intersection being located within a distance threshold of the first intersection, the method further includes determining a recommended driving lane on the connecting road based on the lane information, and generating, before a vehicle passes through the first intersection, a navigation prompt message indicating the recommended driving lane the navigation prompt message guiding the vehicle to drive on the recommended driving lane after passing through the first intersection.

Abstract: The present disclosure discloses a liquid arc extinguish chamber for direct current breaking. The liquid arc extinguish chamber for direct current breaking includes a cavity, a fixed contact and a moving contact. A liquid medium is sealed in the cavity. The fixed contact is hermetically fixed in the cavity. One end of the fixed contact is fixed in the cavity, and the other end of the fixed contact is connected with an outlet terminal A1. The moving contact is movably sealed in the cavity. One end of the moving contact may adjacently abut against or be in contact with the fixed contact, and the other end of the moving contact is connected with an outlet terminal A2.

Abstract: The present application discloses a data configuration query method and device. The method includes: determining at least two target data sets required to be queried by a query instruction and an ordered association between the target data sets, wherein the ordered association at least includes a unidirectional association and/or a bidirectional association; generating, on the basis of the at least two target data sets and the ordered association between the target data sets, a target association path; and outputting an OLAP model conforming to the target association path in a database. According to the present application, the technical problems of a large demand quantity of OLAP models included in an OLAP query system and a low utilization rate of the OLAP models in the related art can be solved.

Abstract: The invention discloses a vision-based working area boundary detection system, method and machine equipment. When implementing the solution, we firstly train the constructed neural network model based on the training data set, extract and learn the features of the corresponding working area. Next, the neural network after training and learning is employed to perform real-time image semantic segmentation on the collected video images based on the extracted features, thereby perceiving the environment and identifying the boundaries of the working area. The solution provided by the present invention is based on neural network technology, and can efficiently identify the boundary of the working area through the extraction and learning of the features of the working area in the early stage, and has strong robustness to environmental perturbation such as lighting.

Abstract: The disclosure discloses a liquid arc voltage transfer based direct current breaker and a use method thereof. The direct current breaker includes a first connection terminal, a second connection terminal, a main current branch, a transfer branch and an energy dissipation branch. The main current branch is connected between the first connection terminal and the second connection terminal, and the main current branch includes a liquid break. The transfer branch is connected between the first connection terminal and the second connection terminal and is connected in parallel with the main current branch. The energy dissipation branch is connected between the first connection terminal and the second connection terminal and is connected in parallel with the main current branch and the transfer branch.

Abstract: The present application discloses a data model matching method and device. The method includes: determining at least two target data sets required to be queried by a query instruction and an ordered association between the target data sets; decomposing, on the basis of the ordered association between the target data sets, the at least two target data sets to obtain at least two data packets, wherein each of the data packets includes at least one target data set; for each of the data packets, matching, in a database, a first OLAP model corresponding to the data packet, on the basis of the target data set included in the data packet and the ordered association between the target data sets; and outputting the first OLAP model corresponding to each of the data packets. According to the present application, the technical problems of large demand quantity of OLAP models included in an OLAP query system and a low utilization rate of the OLAP models in the related art can be solved.

Abstract: The present application discloses a data configuration query method and device. The method includes: determining at least two target data sets required to be queried by a query instruction and an ordered association between the target data sets, wherein the ordered association at least includes a unidirectional association and/or a bidirectional association; generating, on the basis of the at least two target data sets and the ordered association between the target data sets, a target association path; and outputting an OLAP model conforming to the target association path in a database. According to the present application, the technical problems of a large demand quantity of OLAP models included in an OLAP query system and a low utilization rate of the OLAP models in the related art can be solved.

Abstract: There is provided a direct current breaker based on vacuum magnetic blowout transfer and a breaking method thereof. The direct current breaker includes a first connection terminal, a second connection terminal, a main current branch, a transfer branch, an energy dissipation branch and a blowout unit. The main current branch is connected between the first connection terminal and the second connection terminal. During current conduction of the direct current breaker, current flows through the main current branch. The transfer branch is connected between the first connection terminal and the second connection terminal and connected in parallel with the main current branch. The energy dissipation branch is connected between the first connection terminal and the second connection terminal and connected in parallel with the main current branch and the transfer branch. The blowout unit is arranged between the main current branch and the transfer branch.

Abstract: The present invention discloses a semiconductor assembly. The semiconductor assembly comprises a fully controlled power electronic device and a snubber circuit, wherein the snubber circuit is connected to the fully controlled power electronic device in parallel; the snubber circuit comprises a capacitor (C), an inductor (L), a resistor (R), a diode (D) and a half controlled power electronic device (A1); the inductor (L) and the half controlled power electronic device (A1) are connected in series and are together connected to the resistor (R) in parallel; and the diode (D) and the resistor (R) are connected in parallel and are together connected to the capacitor (C) in series.

Abstract: The present disclosure discloses a direct current breaker based on vacuum magnetic blowout transfer and a breaking method thereof. The direct current breaker includes a first connection terminal, a second connection terminal, a main current branch, a transfer branch, an energy dissipation branch and a blowout unit. The main current branch is connected between the first connection terminal and the second connection terminal. During current conduction of the direct current breaker, current flows through the main current branch. The transfer branch is connected between the first connection terminal and the second connection terminal and connected in parallel with the main current branch. The energy dissipation branch is connected between the first connection terminal and the second connection terminal and connected in parallel with the main current branch and the transfer branch. The blowout unit is arranged between the main current branch and the transfer branch.

Abstract: The disclosure discloses a liquid arc voltage transfer based direct current breaker and a use method thereof. The direct current breaker includes a first connection terminal, a second connection terminal, a main current branch, a transfer branch and an energy dissipation branch. The main current branch is connected between the first connection terminal and the second connection terminal, and the main current branch includes a liquid break. The transfer branch is connected between the first connection terminal and the second connection terminal and is connected in parallel with the main current branch. The energy dissipation branch is connected between the first connection terminal and the second connection terminal and is connected in parallel with the main current branch and the transfer branch.

Abstract: The present invention discloses a semiconductor assembly. The semiconductor assembly comprises a fully controlled power electronic device and a snubber circuit, wherein the snubber circuit is connected to the fully controlled power electronic device in parallel; the snubber circuit comprises a capacitor (C), an inductor (L), a resistor (R), a diode (D) and a half controlled power electronic device (A1); the inductor (L) and the half controlled power electronic device (A1) are connected in series and are together connected to the resistor (R) in parallel; and the diode (D) and the resistor (R) are connected in parallel and are together connected to the capacitor (C) in series.

Abstract: The present disclosure discloses a liquid arc extinguish chamber for direct current breaking. The liquid arc extinguish chamber for direct current breaking includes a cavity, a fixed contact and a moving contact. A liquid medium is sealed in the cavity. The fixed contact is hermetically fixed in the cavity. One end of the fixed contact is fixed in the cavity, and the other end of the fixed contact is connected with an outlet terminal A1. The moving contact is movably sealed in the cavity. One end of the moving contact may adjacently abut against or be in contact with the fixed contact, and the other end of the moving contact is connected with an outlet terminal A2.