30results about How to "Guaranteed not to repeat" patented technology

The invention discloses a method, a system and equipment for uploading and downloading subtitle files, belonging to the communication field. The method comprises the following steps: when in uploading a multimedia file, a player client sends the file information of the multimedia file and the file information of a subtitle file thereof to a subtitle server; the subtitle server checks whether the content of the subtitle file exists according to the file information of the subtitle file, if not, the player is informed of uploading the subtitle file; and when in downloading the multimedia file, the subtitle server searches relevant subtitle files precisely according to the multimedia file sent by the player client, if the relevant subtitle files do not exist, the subtitle file is searched according to the characteristic information roughly. The scheme provided by the embodiment of the invention realizes the automatic uploading and downloading of the subtitle file in the player client, thus a user does not need to search and download the subtitle files, and improves the use experience of the user and saves server resources.

The invention discloses a method for paging query of data. The method is suitable for being executed in a distributed system. The distributed system comprises a database server, a cache server and anapplication server, the application server is suitable for receiving a request of a client, the cache server is suitable for acquiring data from a cache, the database server is suitable for acquiringdata from a database, and a paging flag key of which the data structure is set as a set set is preset in the cache. The method comprises the steps of obtaining a request parameter when an interface iscalled; generating a paging flag value based on the request parameter; acquiring a binary log of the database to judge whether the data in the database is changed or not; writing the paging flag value into a set corresponding to the paging flag key, and receiving a return value; when data in the database changes, emptying the set corresponding to the paging flag key so that the return value can be updated; and acquiring query data from the cache or the database in a paging manner based on the return value.

The present application provides a generation method for a card number and an apparatus thereof. The method comprises: obtaining a request of a card number application request of a user; distributing the card number application request to one or more nodes, wherein each node has non-redundant number segment information; and obtaining corresponding basic card number information and a number segment value according to a received card number application request and corresponding number segment information through a node receiving the card number application request, and generating the card number according to corresponding basic card number information and the number segment value, wherein number segment values obtained that correspond to the same basic card number information are different. According to the generation method for card number provided by embodiment of the present application, different number segment values located in the number segment thereof are obtained in parallel through a plurality of nodes, and the card number, according to different number segment values and corresponding basic card number information, is generated, so that not only is the card number generated not redundant, but also the problem of performance bottleneck during a bulk card distribution is solved, thereby improving the efficiency of card distribution.

The invention provides an address allocation method of local network equipment, electronic equipment and a storage medium, and relates to the technical field of communication. The method comprises the following steps: a terminal sends a registration request to an access and mobility management function (AMF), wherein the registration request comprises an identifier of the terminal, an indication of whether the terminal supports external local network equipment or not and the number of the external local network equipment supported by the terminal; the registration request is used for requesting the AMF to send a control policy request to a policy control function (PCF); and the terminal receives a response message sent by the AMF according to the registration request, the response message comprises a target address field allocated to the terminal, and the target address field is determined by the PCF in a preset address pool according to the number of the external local network devices supported by the terminal.

The invention discloses an emergent disposal evaluation method and an evaluation system, which are applied to a high-speed railway dispatcher, wherein the evaluation method comprises at least the following: obtaining the operation data and the physiological signal of the high speed railway dispatcher in his or her emergent disposal reaction; based on the operation data and the physiological signal, determining the evaluation indexes for the high speed dispatcher; carrying out dimensionless processing on the evaluation indexes; determining the weights of the evaluation indexes in dimensionless processing; based on the dimensionless processing values of the evaluation indexes and their weights, determining a decision matrix; based on the decision matrix and according to the lattice-order related theories, determining the comprehensive difference values; integrating the comprehensive difference values of the evaluation indexes; quantizing the integrated comprehensive difference values to obtain the evaluation result. Through the use of the technical schemes, it is possible to comprehensively record all operation data of a train dispatcher's emergent disposal process, to make quantitative analysis of the operation data and to solve the technical problems of how to comprehensively and objectively evaluate the high speed railway dispatcher, therefore, ensuring the trainings of the high speed railway dispatcher not repetitive.

The invention discloses a method and system for evaluating work organization efficiency of high-speed train dispatchers. The method comprises the following steps: obtaining the following indexes: task completion degree, average train speed, average train operation number, number of moving vehicles and dispatching order integrity; carrying out dimensionless processing on the indexes; determining weight of indexes obtained after dimensionless processing; determining a decision matrix of the indexes obtained after dimensionless processing; according to the lattice-order correlation theory, calculating positive and negative ideal solutions of the decision matrix; calculating a first Euclidean distance between the positive and negative ideal solutions; calculating a second Euclidean distance between the high-speed train dispatcher and the positive and negative ideal solutions; according to the first Euclidean distance and the second Euclidean distance, calculating a comprehensive difference value of the high-speed train dispatchers; and carrying out quantification on the comprehensive difference value of the high-speed train dispatchers, and evaluating daily work organization efficiency of the high-speed train dispatchers according to the quantification result. Therefore, the problem of how to accurately evaluate work organization efficiency of the high-speed train dispatchers is solved.

The invention discloses powder bed electron beam additive manufacturing equipment and method, belongs to the field of powder bed additive manufacturing equipment, and solves the problem that an existing powder bed electron beam additive manufacturing equipment can only print a single material and cannot print two materials. The equipment comprises a first powder spreading unit, a second powder spreading unit and a forming cylinder, wherein the first powder spreading unit is located on the first side in a forming chamber; the second powder spreading unit is located on the second side in the forming chamber and used for containing second powder; the forming cylinder is located in the middle of the forming chamber, and the upper surface of the forming cylinder makes contact with the first powder spreading unit and the second powder spreading unit; and the forming cylinder is located in the forming chamber and used for driving a third powder spreading platform arranged on the upper surfaceof the forming cylinder to rotate through a bearing arranged on the forming cylinder and sequentially scraping first powder and the second powder into the forming cylinder, and the upper surface of the third powder spreading platform makes contact with the first powder spreading unit and the second powder spreading unit.

The method is suitable for the technical field of distributed systems. The invention provides a unique key generation method, device and terminal equipment, The method comprises the following steps of: Obtaining data to be generated, correspondingly generating a service instance code according to the service instance sequence of the to-be-generated data, correspondingly generating a year, a week,weekdays and a second according to actual time, correspondingly generating a serial number, an expansion bit and a version according to a preset rule, synthesizing the generated field into a unique key according to a unique key basic data structure, and labeling the unique key in the to-be-generated data; Wherein the generation field comprises service instance codes, years, weeks, weekdays and seconds, serial numbers, extension bits and versions. The method can ensure that the unique key data is not repeated in a single-machine scene, and meets the basic requirements of distributed global uniqueness, orderliness, inverse solvability, high performance, expandability, readability and the like.

The invention discloses a master and slave switch method and device of a task scheduling example. According to one specific implementation mode of the method, at least two examples which are set in advance and used for executing task scheduling work judge whether an election time arrives or not according to a respective election cycle and opening time, wherein attribute information of all the examples comprises an example identification, the election cycle, whether to participate in a main example election or not and master and slave states; if the election time arrives, the attribute information is information recorded in a main example information table which is created in advance in an example renewing database in which the main example election participates; if renewing is successful, the master and slave states of the examples which are renewed successfully are in master states, and the master and slave states of other examples except the examples which are renewed successfully are in slave states; the examples of which the master and slave states are the master states execute task scheduling work. The master and slave switch method and device of the task scheduling example are simple in implementation mode, and efficiently achieve master and slave switch of the task scheduling example.

The invention relates to a sound track sharing method, which comprises the following steps that: a hash value of a play file is calculated according to the play file; and a sound track file corresponding to the play file is transmitted according to the play file hash value, and a sound track file hash value and a video file hash value, which are previously stored on a server end. In the sound track sharing method and the sound track sharing system, through the hash value of the play file, the sound track file corresponding to the play file is transmitted, so the uploading and downloading of the sound track file corresponding to the play file can be realized, and the sound track file is more convenient and rapider to search and listen.

The invention discloses a vehicle unique identifier generation method and a device, computer equipment and a storage medium, and the method comprises the steps: obtaining vehicle insurance product information, and extracting vehicle information from the vehicle insurance product information, wherein the vehicle information comprises a vehicle frame number and a license plate number; performing rationality verification on the vehicle frame number to obtain a verification result; if the verification result shows that the vehicle frame number is reasonable, taking the vehicle frame number as a target serial number, and if the verification result shows that the vehicle frame number is not reasonable, connecting the vehicle frame number and the license plate number in series to obtain the target serial number; and adopting a preset encryption mode to encrypt the target serial number to obtain a target vehicle identifier. According to the vehicle unique identifier generation method, the problem of repeated allocation caused by inconsistency of the vehicle identifiers is solved, and the vehicle identifiers generated by different vehicle information can be ensured not to be repeated, so that the generated identifiers have uniqueness.

The invention discloses a multisource heterogeneous data fusion-based mobile learning system course scheduling algorithm. The algorithm is very simple and does not cause the phenomena such as repeatedteaching and class missing; the sciences, the arts, the arts in art and the sciences in art have different to-be-learnt subjects, so that the subjects are divided, class distribution of teacher can be carried out more conveniently, teacher distribution is carried out after subject distribution, the operation is convenient and mistakes are not easy to cause; classes with different properties needdifferent to-be-learnt subjects, and different class properties are numbered, so that a class schedule generation module does not compile subjects of the sciences such as physics, chemistry and the like into the arts classes, and the distinguishing is facilitated; and a cell subject replacement module is used for screening repeated courses in a day so as to ensure that the courses are not repeated, and adding secondary courses after primary courses so as to avoid the condition that no primary courses exist in the day.

The invention discloses a dirty data identification method, device and system, and relates to the technical field of computers. A specific embodiment of the method comprises the following steps: receiving or producing data, and distributing the data with the same service primary key to the same operator; in the same operator, when the operator processes the data, generating a label in a self-increasing mode, adding the label into the data, and the label into the data; and issuing the data added with the label to a consumer. According to the embodiment, the technical problem that dirty data cannot be accurately identified can be solved.