22results about How to "Avoid reading" patented technology

The invention discloses a photovoltaic support installation data simulation management system and method, and relates to the technical field of virtual installation, and the method comprises the steps: taking each participant as a data node, distributing a storage block for each data node, and connecting all storage blocks to construct a block chain network; a common verification is set by using the common information, and a user of each data node in the block chain network can read data of all nodes according to the common verification; extracting an independent feature of each data node, setting an independent verification, and reading and writing installation data generated by each data node according to the independent verification by each data node; selecting a 3d modeling tool, and constructing a virtual installation model by using the collected operation data; and the user inputs the installation data stored in the block chain network in real time into the virtual installation model for virtual installation.

The invention belongs to the technical field of process form design, and particularly relates to a lightweight process form intelligent prediction method and system. The method comprises the following steps: S1, obtaining process entity information and component entity information with a uniform structure from each business system, and forming a data set; s2, generating a model dictionary, and performing enhancement training on the model dictionary through a machine learning method according to the data set to obtain a data dictionary; the data dictionary has a data matching function; s3, according to the requirements of different enterprises, importing a data dictionary into the system for providing lightweight data model service; the data model service comprises a prediction component list and an output process form. The method has the advantages that the user can conveniently build the form, intelligent prediction is provided for the building process, the training process does not depend on a large amount of business data, and the method can quickly adapt to continuously changing business requirements of enterprises.

The invention relates to a file storage adjustment method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: when a storage adjustment request is received, determining a to-be-adjusted file and a target storage level corresponding to the storage adjustment request; determining an original storage pool corresponding to the to-be-adjusted file, and determining a target storage pool corresponding to the target storage level; after the state of the to-be-adjusted file is modified from an accessible state to a frozen state, data blocks, in the original storage pool, of the to-be-adjusted file are migrated to the target storage pool; and after migration is completed, modifying the state of the file to be adjusted from the frozen state to the accessible state. By adopting the method, the storage adjustment efficiency can be improved.

The present invention discloses a method for preventing cheating when students use their own computers to take exams, which includes an invigilator and a student terminal; before the exam, the invigilator sets the licensed software and screenshot triggering events; when the exam starts, the student terminal cuts off the network connection of the computer; during the exam: the student terminal tracks the software running on the computer, records the name of the unlicensed software, the running time and the window screenshot; monitors the system events of the computer, takes a screenshot and records the screenshot timestamp when a screenshot triggering event occurs; when communication is possible, sends a verification signal to the invigilator at a regular time; records the verification timestamp at a regular time; when the exam ends, the student terminal sends the unsent data to the invigilator, and the invigilator determines whether there is cheating after receiving it. The present invention also discloses an anti-cheating system for taking exams using a self-contained computer, which includes an invigilator module and a student terminal module that realize the functions of the aforementioned invigilator and student terminal. The method disclosed in the present invention can detect cheating when taking an exam using a self-contained computer in an ordinary examination room, thereby expanding the scope of application of computer-based exams.

The invention relates to the technical field of data processing, and particularly provides a visual large-screen map data loading optimization method and device.The method comprises the two parts of layered and partitioned optimization storage, attribute data integration and index optimization, and the layered and partitioned optimization storage is divided into geographic hierarchy division, spatial partitioning and related data association; geographic hierarchy division: performing hierarchical storage on the map data according to geographic hierarchies; in the spatial partitioning, map data is further partitioned and stored according to regions in each geographic hierarchy; related data association realizes data connection by establishing an association relationship between each hierarchy and each block; the attribute data integration and index optimization comprises attribute data integration and multi-dimensional index construction; in the attribute data integration step, various attribute data related to the geographic entity are integrated and stored; and constructing a multi-dimensional index according to common query requirements of the visual large screen. Compared with the prior art, the method has the advantage that the loading efficiency of the visual large-screen map data can be improved.

The present disclosure relates to an interface document synchronization method, device, electronic device and storage medium. The method comprises: receiving interface synchronization parameters passed in when an interface document synchronization interface is accessed, and determining an interface identifier in the interface synchronization parameters; determining a document scanning directory for an interface type corresponding to the interface identifier according to preloaded document synchronization configuration information; reading an interface document of an interface corresponding to the interface identifier in the document scanning directory; wherein the interface document is generated according to the interface annotation information of the interface; the interface annotation information is determined by reading the interface code of the interface; synchronizing the interface document to an interface management platform; the interface management platform is used to present the interface document to a user account. The present disclosure can improve the efficiency of software project development.

The invention discloses a water conservancy project information management method and system based on big data, and relates to the technical field of information management, and the method comprises the steps: sending a water conservancy data related instruction to a database system based on an external data display end, and obtaining feedback information. According to the invention, the external data display end and the database system are self-checked, so that faults of the external data display end and the database system can be found in time, the period of reading or storing the hydraulic engineering data is prevented from being prolonged, and meanwhile, the working efficiency is improved. The risk of property damage caused by faults of the external data display end and the database system is reduced, in addition, repeatability analysis is performed on the water conservancy project data needing to be stored and the data stored in the database system, it is avoided that the memory of the database system is occupied when the same water conservancy project data is stored, and the data storage efficiency is improved. The size of the water conservancy project data needing to be stored is compared with the residual storage space of the database system, and it is guaranteed that the database system can store the water conservancy project data.

This application relates to a cache management method, apparatus, computer device, medium, chip, and product. The method includes: acquiring a target task and a management command queue; the management command queue containing various management commands for the target task; when the last-level cache module does not contain dependency data required by a target subtask within the target task, in response to a first management command, reading the dependency data required by the target subtask from memory and storing the dependency data in the last-level cache module; in response to a second management command, initiating the execution of the target subtask; the target subtask includes an accelerator reading dependency data from the last-level cache module. This method can improve the processing efficiency of the target task.

The invention relates to the technical field of accounting computerization, and provides an accounting computerization data protection device which comprises a storage mechanism and a limiting mechanism, and the limiting mechanism is used for being fixedly connected with a computer host; the storage mechanism is arranged on one side of the limiting mechanism, the storage mechanism comprises a USB flash disk mechanism and a sleeve frame mechanism, the USB flash disk mechanism comprises a data storage USB flash disk, and the data storage USB flash disk is provided with a first cavity and a second cavity. According to the invention, through the physical and magnetic locking mechanism of the sleeve frame, unauthorized personnel are effectively prevented from pulling away the data storage USB flash disk, and through the locking design of the insertion block and the movable block, the USB flash disk cannot be immediately inserted into other computers for use after being pulled away. Specifically, the locking mechanism of the sleeve frame and the interaction of the magnet enable the insertion block not to slide freely after the USB flash disk is pulled away, so that the USB flash disk is prevented from being inserted into a USB interface of another computer, and an unauthorized person is prevented from reading accounting computerization data in the USB flash disk.

The invention relates to the technical field of temperature detection, in particular to a fault detection method for an 18B20 temperature sensor. The time length of each step specified by a 1-Wire (single bus) protocol is used as a basis for fault judgment, so that the aim of detecting two faults of short circuit of a power supply anode VCC or short circuit of a power supply ground GND by a DQ pin of 18B20 is fulfilled, and wrong data is further prevented from being read. In addition, due to the fact that only one variable is used for counting and judging a plurality of subsequent steps, occupation of the memory of the single-chip microcomputer when the method is executed can be reduced as much as possible.

This application provides a method, apparatus, computer device, and storage medium for calculating session duration. The method involves creating an access log table and generating link identifiers for each session in the access log table; creating a session log table based on the link identifier, start time, end time, and access duration of each session, and using the link identifier and start time in the session log table as the session identifier; and replacing records with the same session identifier in the session log table using the ClickHouse replacement engine. This invention integrates the session duration algorithm into the ClickHouse database, fully utilizing the ClickHouse aggregation and replacement engines to achieve real-time statistics of access duration. This not only reduces intermediate steps and saves costs associated with devices, storage, and maintenance such as those associated with Kafka, but also eliminates the need to develop external applications, avoiding the bandwidth and memory costs associated with reading and writing data.

The invention provides a method for checking that an H5 offline resource does not contain a sub-route in an end. The method comprises the steps of resource publishing and sub-route checking, the resource release comprises the following steps: formulating a routing configuration protocol; extracting a single H5 page route, and generating a route configuration file according to a route configuration protocol; packaging the H5 offline resources, putting the routing configuration file into an offline resource package, and compressing to generate an H5 offline package; h5, releasing the offline package, and updating the configuration corresponding to the online and offline page; according to the invention, the configuration problem that the H5 project packaging resource lacks the available basis for judging the sub-route is solved; according to the method and the device, the timeliness of offline resources can be ensured during cold start check updating and hot start check updating according to the duration, and the problem that when routing multiplexing is solved, sub-routing inclusion problems cannot be judged is solved, and the problem of wrong resource loading caused by misjudgment of sub-routing inclusion is avoided.

The application discloses an encryption and decryption method, device and system, and belongs to the technical field of cryptography; considering that each user in the system is assigned with a specified access control strategy and attribute, the access control strategy of the user determines which type of receiver he can send a message to in the encryption process, and the attribute of the user determines which sender he can receive a message from; the application expresses the access control strategy based on a linear secret sharing matrix (LSSS matrix) to realize flexible expression of an arbitrary access strategy and has strong expression capability; on the basis, the application generates an encryption key embedded with a sender access control strategy for the sender, so that the fine-grained control of information flow in the system is realized by assigning corresponding access control strategies and attributes to different users in the communication process, the flow direction of the information flow of the encryption system can be better controlled, and the behavior of the user can be more conveniently and efficiently managed.

This application discloses a data processing method, apparatus, and electronic device. The method includes: obfuscating and encrypting code to be processed using an Abstract Syntax Tree (AST) to obtain a first target code; and processing the first target code using JSVMP to obtain a second target code. The technical solution provided by the embodiments of this application ensures that the obtained second target code undergoes multiple processing steps, increasing the difficulty of analyzing the original code corresponding to the second target code. This makes it more difficult for malicious actors to correctly analyze the original code corresponding to the second target code, thereby improving the security of the original code corresponding to the second target code and the security of the website corresponding to the second target code.

The invention discloses a key management method, device and equipment and a storage medium, and belongs to the technical field of data processing, the method is executed by a server cipher machine, and the method comprises the following steps: generating a system protection key; generating a service key according to a received key generation request, and determining a target level of the service key; performing component storage on the service key according to the system protection key and the target level, and recording a component storage address of the service key; and generating a key memory index corresponding to the service key according to the target level, the component storage address and the key generation request. According to the method, the high security of the service key is ensured, the response speed of security services such as encryption and decryption or signature verification which use the service key to carry out cryptographic operation is shortened, and low-delay and high-concurrency access to massive service keys is realized.

The utility model discloses a liquid level monitoring application device used in a limited space. The liquid level monitoring application device comprises a floater mechanism, a transmission mechanism, a display mechanism and a control mechanism. The floater mechanism is arranged in a water storage grid of the sewage storage tank; the display mechanism is arranged at the light well position of the sewage storage tank; the floater mechanism is connected with the display mechanism through the transmission mechanism, the display mechanism is connected with the control mechanism, and the control mechanism is connected with hydraulic drive hydraulic flushing equipment in the sewage storage tank. According to the utility model, the water level in the water storage grid can be effectively monitored, a basis is provided for operating flushing equipment, basic support reference is provided for flushing and cleaning impurities in the tank, and meanwhile, a safe environment is created for maintainers to enter a limited space for overhaul and maintenance.

The invention discloses a hardware one-way security data ferry storage device and a method thereof, and aims to solve the problems that cross-physical isolation network data exchange is tedious in operation, low in efficiency and high in security risk. The device comprises a first storage space, a second storage space, a first host interface used for being connected with a first network, a second host interface used for being connected with a second network, a control logic unit and a hardware one-way data transmission module. The two host interfaces are physically independent and can be simultaneously and respectively connected to computers of networks with different security levels. When a low-security network is connected through the first host interface, only the first storage space is visible, and written data is synchronized to the second storage space in real time by the one-way transmission module; and when the high-security network is connected through the second host interface, only the second storage space is visible for reading the synchronized data. According to the mechanism, the possibility of reverse leakage of data is fundamentally avoided, and the efficiency and convenience of data ferrying are remarkably improved while the security of the intranet is ensured.

The invention discloses a safety type electronic information data processor, and relates to the field of information data processing, the safety type electronic information data processor comprises a box body, a cover body, a processing device and an external interface, the cover body is arranged above the box body, the processing device used for processing data is arranged in the box body, and the external interface is arranged on the left side of the box body; the inner end of the external interface is connected with a plugging port, the right side of the plugging port is connected with a plugging head, the right side of the plugging head is connected with a data line, the data line is connected with the processing equipment, and the outer side of the plugging head is provided with a movement control mechanism for controlling the movement of the plugging head to change the connection between the plugging head and the plugging port. And a lock body is mounted in the cover body. The safe electronic information data processor controls the connection of the external interface through the connection of the connecting plug and the connecting port arranged in the box body, and after the box body is lost, the connection of the connecting plug and the connecting port can be disconnected to prevent personnel from reading related data through the external interface.

The present invention discloses a DRAM-based secure USB flash drive and a secure data migration system, and belongs to the field of computer information security. The present invention uses DRAM as a USB flash drive storage medium, and its data power-off volatile characteristics can prevent violent disassembly and theft of data in the storage chip, thereby enhancing the data anti-theft capability; through hardware and software implementation methods, the data survival time limit is increased for the secure USB flash drive movement situation (disconnection from the host computer), while strengthening data security management, the risk of data leakage is reduced; through special circuit design, the data erasure function of the secure USB flash drive offline (disconnection from the host computer) is realized, which reduces the exposure of data to the host computer, thereby reducing the chance of data leakage; through the joint design of the secure USB flash drive and the interface of the confidential host computer, the illegal behavior of removing data from the confidential host computer is prevented from the hardware level, which conforms to the confidential environment data management specification and enhances data security.

The invention provides a memory management system, a memory management method and electronic equipment. The system comprises a memory allocator used for receiving a first memory access request for a target partition of a memory device and obtaining authentication information to generate an authentication request, and the memory allocator manages one or more physical memory partitions of the memory device, the target partition is any one physical memory partition in the one or more physical memory partitions; the trusted driving module is used for receiving the authentication request, generating an authentication result according to the authentication information and authorization information obtained from the outside, and returning the authentication result to the memory allocator; and the memory allocator is also used for executing the first memory access request when the authentication result is that the authentication is successful, and refusing the first memory access request when the authentication result is that the authentication is failed. According to the memory management system provided by the invention, the security of memory operation can be improved.

This application relates to a key writing and reading method, apparatus, and vehicle, comprising receiving a first target key sent by a diagnostic tool, wherein the first target key is generated by the diagnostic tool based on a vehicle code; transmitting the first target key to a key via a low-frequency method; receiving the first target key returned by the key to complete the storage of an identifier and a first random location; sending a second target key to the key; and receiving the second target key returned by the key to complete the storage of an identifier and a second random location. This application changes the original method where the key and vehicle are matched solely using a key related to vehicle authentication. By adding a second target key as a dedicated key, and combining the first and second target keys for random storage, it prevents anyone with a universal device from reading the key's internal information simply by reading the first target key.

The invention discloses a data storage and transmission security method suitable for an Android terminal. The method specifically comprises the following steps: creating an independent isolation space isolated from a main space on the Android terminal equipment, and deploying an enterprise application in the isolation space; implementing isolation protection on applications and data in the isolated space environment; encrypting and storing the data in the isolated space environment through the FBE by using a double-encryption key bound with the equipment screen locking password; performing application permission constraint and data access control on the isolation space; establishing an encrypted data transmission channel between the Android terminal and the security terminal; a data access auditing and monitoring mechanism is introduced, each access request for sensitive data is recorded, and a non-tampering log is generated. According to the invention, an omnibearing and deep defense data security access system is constructed, sensitive data stored on the Android mobile device by a user can be effectively protected, and security transmission of data between terminals can be realized.