230 results about "Database file" patented technology

The invention relates to the technical field of computer programming, in particular to a method for realizing data binding and code generation based on a Qt plug-in technology, which comprises the following steps: developing a Qt Creator extension plug-in, realizing dynamic loading and registration, analyzing a database file through the plug-in, generating a visual data view, and providing a visual binding interface through the steps. The method comprises the following steps: establishing a binding relationship between an interface control and a data source by supporting a dragging operation, automatically generating a JSON data model, compiling to generate a binding code according to the JSON data model, registering, and finally realizing code increment updating through file hash value comparison; according to the method, through the IDE integrated graphical interface, dragging connection of the control and the data field is supported, manual writing of repetitive codes is avoided, change is detected through the file hash value, only influenced codes are regenerated, compiling time is shortened, development efficiency is remarkably improved, and labor cost is reduced.

The invention provides an intelligent question answering method, system and device based on GraphRAG and a medium, and relates to the technical field of artificial intelligence. The method comprises the following steps: performing intention mining on a query text through an intention mining model to obtain a query entity; querying a pre-constructed knowledge graph database according to the query entity to obtain related sub-graph information; wherein the knowledge graph database is constructed on the basis of at least one chapter block and chapter block vectors associated with the chapter blocks in a preset vector database file, and the vector database file is constructed on the basis of a plurality of chapter blocks; retrieving a pre-constructed community summary vector database according to a vector obtained after vectorization of the query text to obtain related community summary information; and performing answer generation on the query text, the related sub-graph information and the related community summary information through an answer generation model to obtain a target answer. In conclusion, according to the method and the device, the accuracy of answering the query request needing cross-chapter and cross-document query can be improved.

The invention discloses a table question and answer method and system based on a large language model. The table question-answering system is a system capable of understanding table data (table-form data such as excel files, csv files and database db files) and carrying out question-answering, data query statistics and analysis in combination with tables. The invention provides a table question-answering method based on a large language model, which comprises a table information extraction module, a question detailed rewriting module, a solution and code generation module, a Rewad model scoring evaluation module, a code security detection module, a code executor module, a summary answer generation module and the like. Safety and stability are achieved, and the ability of a large language model in table data analysis question and answer is enhanced.

The invention provides an information acquisition system based on computer big data, and relates to the technical field of data acquisition and processing. The information acquisition system based on the computer big data comprises a data acquisition module, a data fusion module, a data storage and management module, a data processing and analysis module, a data analysis and mining module and a data security and privacy protection module. The data acquisition module is mainly responsible for collecting original data from various data sources. According to the system, data from different types of data sources, such as a database, a file system, a sensor and a webpage, can be integrated, multi-channel information can be gathered in one system, the tedious process of collecting data in multiple different systems is avoided, a data collection task can be automatically executed by utilizing a task scheduling tool, and the data collection efficiency is improved. The system can automatically start an acquisition process according to preset time, event triggering conditions and the like, so that the data acquisition efficiency is greatly improved.

The invention discloses a plant protection field literature information batch structured extraction method based on an AI large model, and belongs to the technical field of computer data processing and artificial intelligence application. According to the method, a PDF format literature is converted into a Markdown format text through a PDF literature self-adaptive preprocessing module and a Markdown conversion module; then, a double-strategy self-adaptive AI extraction module is adopted, different modes are adopted for processing according to a text length threshold value, and JSON data are extracted in combination with a JSON format data restoration strategy; then, the CPU intensive conversion task and the I / O intensive AI analysis task are processed in parallel through a two-stage parallel scheduling module, and a structured database file is generated through aggregation according to a predefined mapping rule through a multi-dimensional aggregation export module. According to the method, end-to-end automation from literature acquisition to structured data output is realized, and the problem of low extraction efficiency of manual literature reading information is solved.

The invention relates to the technical field of message recovery, and discloses an AI-based iOS device message recovery method and system, and the method comprises the steps: connecting an iOS device, positioning a database file of a message application, and obtaining a database file path list; reading an equipment storage sector, creating a physical mirror image, and analyzing a free block position mark in an APFS container super block; binary classification identification is carried out through an AI data block classification model, an SQLite page type label and a page mapping relation are obtained, deleted messages of a recombined database and a device end are determined, differential comparison is carried out on all historical backup snapshot records of an iCloud account, and cloud end deleted messages are obtained; according to the method and the system, the reorganization success rate of the database and the extraction integrity of the deleted messages are improved, and a technical solution is provided for comprehensive, accurate and efficient recovery of the iOS device messages.

The invention discloses a method and a device for testing a diagnosis fault code of a controller area network, and relates to the technical field of automobile electronic diagnosis, and the method for testing the diagnosis fault code of the controller area network comprises the steps: obtaining a database file and test configuration information of the controller area network; generating message records of all verification messages according to the test configuration information and the controller local area network database file; sorting the message records according to time, and generating a message record file according to a preset file format; playing back the message recording file through a controller local area network tool, and sending a diagnosis request message to the tested controller through the controller local area network tool while playing back the data to obtain a diagnosis fault code; and comparing the diagnosis fault code with a preset expected diagnosis fault code to obtain a test result. According to the method, the automation degree and the real-time performance of the test are improved, the dependence on physical hardware and environmental resources is reduced, and the test cost and the technical threshold are reduced.

Embodiments of the present application provide a database repairing method and an electronic device. The method comprises: in the case that a first database file is damaged, obtaining data of at least one field in the first database file, and generating a first data table based on the data of the at least one field, the first data table existing in a second database file obtained by repairing. The at least one field can be predefined by an application. For example, the at least one field can be a field predefined for carrying data important to a user. Thus, in the case that a database file is damaged, part of data can be obtained from the damaged database file, and the database can be repaired by itself. Therefore, the interference and influence on the user can be avoided as much as possible, and the user experience can be improved.

The invention provides a financial analysis platform building method, a building framework and related equipment. According to the platform built by the method, an internal business system interface, an external API interface, an Internet of Things equipment interface and a file uploading interface are integrated on a data resource layer; a relational database, a non-relational database, a file system and a data lake are deployed in the data storage layer to realize data classified storage; configuring multi-source data access real-time data flow, data standardization and cleaning, data warehouse data mapping and ETL tool distributed calculation in the data processing layer; a data analysis and feature extraction engine, an intelligent chart recommendation engine and an anomaly detection and automatic generation auditing process display module are configured on the application logic layer; and an instrument panel display module, a report checking module, an auditing process display module and a data notification module are configured on the user interface layer. According to the invention, the integration of multi-source data is realized, the function integration level is high, the automation is higher, and the user requirements can be better met.

The invention relates to the technical field of database security, in particular to an SQLite database transparent encryption method, system and device based on a national cryptographic algorithm and a storage medium, and the method comprises the following steps: S1, when an SQLite database is opened, loading and connecting a hardware cryptographic device to obtain an encryption master key and a corresponding key handle; s2, in response to the write-in operation, calling a national secret symmetric encryption algorithm through a key handle, encrypting a plaintext of a database page to generate a page, and writing the page into a database file; s3, reading the ciphertext page in response to the reading operation, decrypting the ciphertext page through a cryptographic symmetric decryption algorithm adjusted by a key handle after analysis, recovering a plaintext page and returning the plaintext page to the application; and S4, circularly executing encryption writing and decryption reading to process the continuous request, and releasing the key handle and disconnecting the hardware connection until the database connection is closed. According to the method, transparent full disk encryption, meeting the national secret standard, of the SQLite database is achieved, the secret key safety and the operation performance are guaranteed through hardware cryptographic equipment, and good application compatibility is kept.

The invention relates to a method and a device for intelligently switching full-amount synchronization and incremental synchronization. The method comprises the following steps: during primary synchronization, completely transmitting all data of a source end to a target end by adopting a full-quantity synchronization mode; monitoring a data change condition in real time through a timestamp or a database log, and obtaining a change data volume; dynamically selecting an incremental synchronization mode or a full-amount synchronization mode according to the proportion of the changed data volume to the total data volume; in the incremental synchronization process, if synchronization fails or database file analysis errors occur, the mode is automatically switched to a full-amount synchronization mode; and full-amount synchronization operation is executed regularly so as to ensure the integrity and consistency of the data. Through the intelligent switching synchronization mode, the data synchronization efficiency is remarkably improved, and the data transmission quantity and the resource consumption are reduced; meanwhile, a fault-tolerant mechanism and regular full-amount synchronous operation are combined, and long-term consistency and reliability of data are guaranteed. The scheme is suitable for various business scenes, and has wide applicability and flexibility.

The invention belongs to the technical field of electric data processing, and particularly relates to an aero-engine stress application oscillation combustion characteristic parameter database and a construction method, and the method comprises the steps: 1, automatically reading dynamic pressure data and steady-state parameter data in a segmented circulation manner; 2, verifying data validity and correcting time axis alignment of the dynamic pressure data and the steady state data; 3, determining stress application data positioning in the dynamic pressure data and the steady state data on the basis that the angle of the throttle lever is larger than 65 degrees; 4, frequency domain analysis is conducted on the stress application data, and parameters include the sampling rate of 51200 Hz and the sample duration of 1 second; the FFT step length is 0.2 second, Butterworth low-pass filtering is carried out, and the cut-off frequency is 3000Hz; a Hanning window function without an average peak mode; 5, extracting the maximum amplitude H, the frequency value F, the oscillation mode average amplitude H0, the continuity evaluation parameter C, the dynamic pressure pulsation peak Hmax and the maximum pulsation peak data set of each oscillation mode; and 6, inputting a calculation result into a database file according to a format.

The invention provides a transformer substation background data validity test method. The method comprises the following steps: firstly, acquiring model data, establishing a measuring point index and replacing an enabling index through a first terminal, namely a point detector, at the front end, pulling a database file and a picture file through a second terminal, namely a monitoring background, analyzing the database file and the picture file, and verifying the consistency of the model, so as to confirm the data consistency condition and the enabling attribute condition; substation background data validity checking is completed by replacing data checking of files and data messages, so that the automation level of the checking process is improved, and then the efficiency and validity of substation database data checking are improved; and the corresponding file retaining report is generated in the inspection process, and the inspection process of monitoring the data validity in real time can be realized, so that the timeliness of the substation background data validity inspection is improved.

The invention discloses a DBC file processing method and device, communication equipment and a readable storage medium, and relates to the technical field of communication. The DBC file processing method comprises the following steps: acquiring a CAN database DBC file of a controller area network CAN bus, acquiring a CAN message through the DBC file, and analyzing the CAN message to obtain a message identifier and signal description information; determining to add description information according to the message identifier and the signal description information; and storing the message identifier, the basic description information and the added description information into the created target structural body, thereby simultaneously defining the structural body compatible with various conditions such as CAN message sending, CAN message receiving and multi-path signal multiplexing based on the DBC file only through one processing code. Therefore, the compatibility of the processing code to different CAN protocols is improved, the development and test cost related to CAN bus communication is reduced, and the efficiency is improved.

The invention provides an access and unified management method and system for heterogeneous MES (Manufacturing Execution System) systems of multiple types of mixing stations, belongs to the field of integration and data access management of MES (Manufacturing Execution System), and is suitable for different types of mixing station equipment of concrete, asphalt and the like. Rapid access and unified management of MES systems of multiple manufacturers are realized by registering mixing station information, selecting an adaptive mode, configuring access parameters, analyzing original data and standardizing the original data into a unified data model. The system supports a plurality of access modes such as a database, a file, an interface and equipment reading, and can issue a production task to a mixing station MES system to realize closed-loop management of task execution and data feedback. The method has high flexibility, expandability and universality, and the digital production management and control capability of enterprises on multiple mixing stations can be remarkably improved.

The invention discloses an automobile networking diagnosis method and device and computer equipment, and the method comprises the steps: S101, carrying out the communication with a server, and requesting the server to download a database file and an independent dynamic library file; s102, communicating with the diagnosed vehicle, receiving response information of the diagnosed vehicle, and acquiring security policy seed information seed according to the response information; s103, taking the security policy seed information seed as a query parameter, and transmitting the security policy seed information seed to a server for security policy information query; s104, receiving a security verification key returned by the server, and sending the security verification key to the diagnosed vehicle for verification; s105, a verification result of the diagnosed vehicle is received, if verification succeeds, the next step is continued, and otherwise, diagnosis is ended; and S106, reading the data flow of the diagnosed vehicle, and carrying out fault diagnosis according to the data flow. In this way, by means of the networking diagnosis mode, the resource space occupied by the diagnosis software for the diagnosis equipment is reduced, the safety of the software is greatly improved, and the software is prevented from being cracked.

The invention discloses a bit-level CAN (Controller Area Network) data load reversing method and device based on hierarchical clustering. The method comprises the following steps: acquiring original CAN message data in a vehicle running process through a CAN data acquisition tool, and processing the CAN message data by utilizing a frequency matrix, a probability matrix, a bit flipping rate and a hierarchical clustering method to obtain CAN message signal characteristics; performing reverse analysis on the CAN message signal by analyzing the characteristics of the CAN message signal and combining the signal type of the automobile to obtain a reverse analysis result; and controlling the functions of the automobile based on the reverse analysis result. According to the method and the device, the problem of dependence on special equipment and a database (DBC file) private by a manufacturer in the prior art is solved, and the technical problem of more accurate and finer-grained signal automatic reverse analysis is realized.

The invention discloses an NoC verification method, device and equipment supporting RTL dynamic adaptation, and relates to the technical field of chips, the method comprises the steps that a new RTL version, an IP-XACT file, an NoC design document and a Database file are published together, the IP-XACT file and the NoC design document are analyzed through a pre-created automation tool, AMBA VIP is automatically connected and configured, and an NoC verification platform is updated; analyzing the Database file through the automatic tool, and carrying out content consistency detection on the IP-XACT file, the NoC design document and the Database file; wherein the automation tool comprises a component used for generating the NoC verification platform and a component used for detecting content consistency. According to the invention, efficient verification of complex scenes such as multi-NoC end-to-end communication and cross-NoC access in an SoC verification environment can be realized.

This application provides a method for interactive data monitoring requirement capture, relating to the field of integrated avionics technology, including: S1: defining a configuration file for the interactive requirement capture tool; S2: defining configuration information in the configuration file of the interactive requirement capture tool; S3: the user selects the current general processing module through an interactive interface; S4: the user selects the current request mode through an interactive interface and proceeds to subsequent steps according to the current request mode; S5: performing an interactive memory check; S6: performing an interactive memory snapshot; S7: generating and saving a request message detection file for the request data; S8: loading the message detection file; S9: sending the message data to the embedded data monitoring software. This method solves the problem that the current method of loading database files can only meet the monitoring of selected data, and supports the requirement capture of temporary data monitoring for running general processing modules.

The invention discloses a data management system for an integrated service management platform. The data management system comprises a data acquisition module, a data integration module, a data analysis module, a data governance module, a data modeling module, a data exchange module, a data security module, a system management module and a business application module. The data acquisition module is used for acquiring data from various data sources, and the various data sources comprise a relational database, a non-relational database and a file system; the data integration module is used for performing unified management and integration on the acquired data and supporting dynamic access of a data source; and the data analysis module is used for carrying out statistics, analysis and mining on the integrated data through a data analysis algorithm, and providing data visualization display through a data visualization tool. The integrated design is adopted, the functions of data acquisition, data storage, data processing, data analysis, data display and the like are integrated, and the data management requirements of multiple scenes and multiple service lines can be met.

This invention discloses an automatic inspection report generation and display method, including the following steps: Step 1: drawing a configuration screen according to requirements and selecting a database connection based on actual conditions; Step 2: configuring database request parameters and data processing parameters or functions for the cell model targeting data point objects; Step 3: querying real-time cross-section data or historical database data according to the parameters configured in the configuration screen; Step 4: updating the data results after calculation operations for the cell model in the configuration screen; Step 5: converting the configuration screen to generate a report file or database file. This invention provides a unified, universal, and feasible automated process for requesting and displaying data based on the drawing, configuration, data request, and report export functions of the configuration screen. It also utilizes server scripts to ensure the program can run effectively for a long time and is readily available with the server, and provides a downloadable inspection report function on the system interface front end.

The application relates to the technical field of data processing, and discloses a service data migration method, device, equipment and storage medium, the method comprising the following steps: when receiving a service migration requirement of a user, generating to-be-migrated service data according to the service migration requirement; performing migration allocation on the to-be-migrated service data according to system overhead conditions, obtaining a migration detail file corresponding to the to-be-migrated service data and a to-be-migrated temporary file; migrating the to-be-migrated temporary file to a target system, so that the target system writes the to-be-migrated temporary file into a database file when a check result of the to-be-migrated temporary file meets data uniqueness. According to the application, the migration detail file and the to-be-migrated temporary file are allocated, data is automatically uploaded and partition processing is performed, the to-be-migrated temporary file is written into the database file only after data uniqueness is verified when the target system receives the to-be-migrated temporary file, data safety and integrity are ensured, migration data in a shutdown state is avoided, and the data migration efficiency is improved.

A database (DB) file backup method and apparatus, and an electronic device are provided. The method includes: an electronic device segments a DB file, to obtain local subfiles of the DB file, obtains a first local subfile from the local subfiles, and uploads the first local subfile to a server, where the first local subfile is a local subfile that does not have a corresponding server side subfile in the server; and / or obtains a second local subfile from the local subfiles, and uploads the second local subfile to the server, where the second local subfile is a local subfile that has a corresponding server side subfile in the server and that corresponds to a content comparison result indicating that the second local subfile and the corresponding server side subfile are inconsistent. In this case, a local subfile whose content does not change is not uploaded each time.

The invention provides an automatic testing method and system for tool chain database file analysis and mapping, and belongs to the technical field of automatic testing. The method comprises the steps that a source file is obtained, and first configuration data is obtained through analysis; obtaining a vehicle control operation system configuration file generated after the tool chain performs analysis and mapping processing on the source file, and performing analysis to obtain second configuration data; calling a mapping rule according to a to-be-tested configuration parameter object, and performing mapping processing on the first configuration data to obtain target configuration data; and performing automatic data comparison on the second configuration data and the target configuration data to generate a test report. The method has the beneficial effects that special verification is performed on the correctness of the configuration file of the vehicle control operation system mapped by the source file through tool chain analysis in the design and configuration stage, so that the configuration error of the tool chain caused by the file analysis and mapping error is found in time, the error is prevented from being left in the downstream code generation, integration and function test stage, and the operation efficiency is improved. And the later-stage troubleshooting, debugging and repairing cost is reduced.

The invention relates to a multi-source heterogeneous spatio-temporal data fusion modeling method and system. The method comprises the steps that a root directory is created on a computer system to serve as a physical address of a spatial data model; under the structure of the root directory, creating a subdirectory corresponding to each storage object type as a physical address of the storage object type; the storage object type comprises vector data, two-dimensional raster data and three-dimensional model data; adding related data of each storage object type in the core metadata system table; creating a database file corresponding to the storage object type under each subdirectory, initializing the database file, and generating an exclusive metadata table corresponding to the storage object type in the database file; the method comprises the following steps: acquiring two-dimensional and three-dimensional joint data of a live-action three-dimensional scene as to-be-stored data, calling a corresponding data conversion tool to convert the to-be-stored data based on the type of the to-be-stored data, storing the to-be-stored data in a corresponding database file in a corresponding storage mode, and associating the to-be-stored data with an exclusive metadata table in the database file.

The invention provides a method, a system and a device for testing a central security gateway. The method comprises the following steps: acquiring interface configuration information of a tested central security gateway, and constructing a test environment for testing the central security gateway; importing a whole vehicle communication protocol and a database file corresponding to the central security gateway, and generating a test case based on the whole vehicle communication protocol and the database file; according to the test case, controlling a plurality of interfaces to perform data interaction test on the central security gateway, and synchronously controlling power supply environment parameters in the test process; in the testing process, operation state data of all the interfaces and power supply state data corresponding to the power supply environment parameters are obtained; based on the operation state data of each interface, performing multi-interface association analysis according to a preset association rule; according to the multi-interface association analysis result and the power supply state data, the working state of the central security gateway under the test working condition is judged, and a test result is output.

In some embodiments, a system includes a processor and a non-transitory computer readable medium coupled to the processor, the non-transitory computer readable medium comprising code that constructs a minimum perfect hash (MPH)-based database file for use in an MPH database; generates, based upon MPH-based parameters, an MPH-based record for the MPH database file; generates, based on an MPH function and a first parameter of the MPH-based parameters and a second parameter of the MPH-based parameters, an MPH-based position index that maps to the MPH-based record; and utilizes the MPH-based position index to access the MPH-based record in the MPH database.

According to the database file synchronization method and system for achieving high availability of the databases, the operation record of the first database is automatically recorded into the log file, the operation record is synchronized to the second database through the synchronization thread and the transmission thread and executed, and synchronization of the two database files is achieved; on this basis, data backup and recovery and data persistence are realized; meanwhile, the switching process of the master node and the slave node of the database is optimized, the high availability of database files is effectively improved, and then the service stability and reliability based on the database are guaranteed.

The application relates to a vehicle-mounted bus communication database file detection method and device and a storage medium, and comprises the following steps: acquiring a vehicle-mounted bus communication database file to be detected; wherein the vehicle-mounted bus communication database file comprises a DBC file and / or an LDF file; analyzing the vehicle-mounted bus communication database file, storing a message corresponding to the vehicle-mounted bus communication database file read by the vehicle-mounted bus communication database file into a message list; polling the message list, detecting the message according to multiple preset detection items; and outputting a test report according to each detection result. The method can detect the message corresponding to the vehicle-mounted bus communication database file read according to the preset detection items, such as message length matching detection, detection of whether a signal initial value is in an expected interval and signal position repetition detection in the same message, so that the detection of the vehicle-mounted bus communication database file is efficiently and quickly completed, and support is provided for subsequent integrated development.

The invention discloses a digital content creation file management system, method and device and a storage medium, and the system comprises a data layer which communicates with a database, a file system and an external system, and stores and reads file versions and task information; the business logic layer is used for carrying out file management on the digital content creation file; wherein the file management comprises version control, file uploading, file downloading and cross-platform adaptation; the interface layer is used for providing a cross-platform graphical user interface so as to obtain interactive operation of a user; wherein the interface layer is provided with a dynamic menu unit, an information display unit and a version list unit; the plug-in layer is used for providing an adaptive plug-in for the digital content creation file management platform; and the interface layer is used for providing a unified API interface. According to the digital content creation file management system, the multi-layer digital content creation file management system is constructed, and the functions of all layers are effectively integrated, so that many problems of an existing management mode are effectively solved, and the overall management effect of the digital content creation file is improved.