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- Basic knowledge of PLC programming Chinese doc version
- Programmable controller, called Programmable Controller in English, or PC for short. However, because PC is easily confused with Personal Computer (Personal Computer), people are still accustomed to using PLC as the abbreviation of programmable controller. It is an electronic system device with a microprocessor as the core for digital operation. It is specially designed for industrial field applications. It uses programmable memory to store and execute logical operations, sequence control, timing/ Operation instructions such as counting and arithmetic operations, and through digital or analog input
- 2024-02-29 0 958
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- Android development training PPT version
- The original meaning of the word Android refers to "robot". Android is the name of the open source mobile operating system based on the Linux platform announced by Google on November 5, 2007. The platform consists of an operating system, middleware, user interface and application software. Domestically, manufacturers such as Lenovo, Dell, Dopod, Philips, ZTE, Samsung, and Motorola have launched smartphones based on the Android platform. In the field of 3G application development, the development prospects of Android cannot be underestimated and will become the mainstream in the future.
- 2024-01-30 0 988
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- Design of virtual instrument based on USB and LabVIEW word version
- The interface technology of virtual instruments and USB has received close attention in the field of instrument research and development. The use of USB interfaces for intelligent peripherals for data acquisition and control has improved its bottleneck phenomenon and also strengthened its "affinity" with general-purpose computers. Ordinary MCS-51 The microcontroller does not have a USB interface, and LabVIEW, one of the virtual instrument application software development platforms, does not provide a driver for the USB interface. For this reason, the design principles of virtual instruments based on USB and LabVIEW and the USB development method are introduced, and a method of USB development is proposed.
- 2024-01-28 0 1145
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- Detailed explanation of UML class diagram Chinese WORD version
- This document mainly talks about the detailed explanation of UML class diagram; in the static mechanism of UML, class diagram is a key point. It is not only the core concern of designers, but also the core concern of implementers. Modeling tools also generate code primarily based on class diagrams. Class diagram occupies a very important position among the 9 diagrams of UML. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-29 1 1245
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- Development of Bluetooth communication system based on Android word version
- With the popularity of android mobile phones, the demand for android applications is growing. This huge potential market has attracted countless software development manufacturers and developers to join it. The openness of Android makes it more attractive to young people than Apple and Blackberry, and can attract the attention and love of young people. Among those aged 18 to 24, Android is the most popular operating system. At the same time, because the openness of the Android system has laid the foundation for the rapid development of Android tablets, it has also attracted more and more users to accept and use it.
- 2024-02-28 0 686
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- Android cooperates with WebService to access remote database Chinese WORD version
- Use HttpClient to request data from the server-side action. Of course, calling server-side methods to obtain data is not the only one. WebService can also provide us with the required data, so what is webService? , it is a remote calling standard based on the SAOP protocol. Different operating system platforms, different languages, and different technologies can be integrated through webservice. To realize Android and server-side data interaction, we need some libraries in the PC machine Java client, such as XFire, A
- 2024-02-26 0 903
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- Android development notes emulator, application tutorial pdf version
- Android development notes, covering emulator parameters, processes and threads, Android releasing mobile phone resources, process release priority, analyzing HelloAndroid, adding edit boxes and buttons, using Intent to start another Activity, starting Activity in different Tasks, Intent and Intent filters, adding new Activity and other related knowledge.
- 2024-01-28 2 2307
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- Python website development guide WORD version
- This document mainly talks about the guidelines for developing websites in Python; HTML is the universal language of the Internet, a simple and universal all-in-one markup language. It allows web page producers to create complex pages that combine text and images. These pages can be browsed by anyone else on the Internet, no matter what type of computer or browser is used. Python, like other programming languages, has its own set of processes. Control statements, and the syntax of these statements is similar to other programming languages. They all have keywords such as for, if, and while to express the program flow. I hope this document will help friends in need
- 2024-01-25 0 979
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- Features of Matlab language Chinese WORD version
- This document mainly describes the characteristics of the Matlab language; Matlab has the advantages of simple usage, flexibility, strong program structure, and good scalability. It has gradually become the preferred language tool in scientific computing, view interaction systems, and programs. In particular, it has outstanding performance in linear algebra, mathematical statistics, automatic control, digital signal processing, dynamic system simulation, etc., and has become a useful weapon for scientific research staff and engineering technicians to conduct scientific research and production practice. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-18 1 1874
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- Detailed explanation of Android WebView examples Chinese WORD version
- This document mainly describes the detailed explanation of Android WebView examples; Android phones have a high-performance webkit kernel browser built into them, which is encapsulated in the SDK as a component called WebView. WebKit is a software framework included in Mac OS X v10.3 and above (v10.2.7 and above can also be obtained through software updates). At the same time, WebKit is also the basis for Mac OS X's Safari web browser. WebKit is an open source project mainly developed by KDE's K
- 2024-02-28 0 1091
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- Git version control and workflow Chinese WORD version
- This article is a summary of git version control and workflow. If some friends have not used git before and are not very familiar with the basic concepts and commands of git, you can start with the following basic tutorials: Git is a distributed version control system, and Compared with centralized version control systems similar to SVN, although centralized version control systems can enable multiple team members to collaborate on development, sometimes if the central server goes down, no one can submit updates and collaborate on development during the downtime. Even sometimes, if the central server disk fails and there happens to be no backup or the backup is not timely, then there may be losses.
- 2024-02-27 1 1003
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- Tutorial on using SQLite database in Android development chm version
- Tutorial on Android development using SQLite database, chm format. SQLite is a very popular embedded database that supports SQL queries and uses only a small amount of memory. Android integrates SQLite at runtime, so every Android application can use a SQLite database. For developers familiar with SQL, using SQLite is fairly simple. Yes, since JDBC is not suitable for memory-constrained devices such as mobile phones, Android
- 2024-02-28 0 1067
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- Using JSON for network data exchange and transmission Chinese WORD version
- This document mainly talks about using JSON for network data exchange and transmission; JSON (JavaScript ObjectNotation) is a lightweight data exchange format that is easy to read and write, and is also easy to be parsed and generated by machines. It is very suitable for servers and clients. Interaction. JSON uses a programming language-independent text format, but also uses C-like language conventions. These characteristics make JSON an ideal data exchange format. Like XML, JSON is a plain text-based data format. Since JSON is born
- 2024-02-29 0 902
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- Spark Streaming Programming Guide Chinese WORD version
- Spark Streaming is the core API of Spark, which supports high throughput and fault-tolerant real-time streaming data processing. It can accept data sources from Kafka, Flume, Twitter, ZeroMQ and TCP Socket, use simple API functions such as map, reduce, join, window and other operations, and can also directly use built-in machine learning algorithms and graph algorithm packages to process data . Interested friends can come and take a look
- 2024-02-27 0 908
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- Android uses JSON for network data exchange WORD version
- This document mainly talks about Android's use of JSON for network data exchange; JSON (JavaScript Object Notation) is a lightweight data exchange format that is easy to read and write, and is also easy to be parsed and generated by machines. It is very suitable for servers and clients. terminal interaction. JSON uses a programming language-independent text format, but also uses C-like language conventions. These characteristics make JSON an ideal data exchange format. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-31 0 980
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- Asset server server construction for Unity3D game development Chinese WORD version
- This document mainly talks about the construction of Asset server server for Unity3D game development; Asset Server is currently the resource version management tool that comes with Unity. It is similar to the SVN and perForce we are usually familiar with. However, for the current Unity, Asset Server is more powerful than Unity. Version control software such as SVN and perForce are easier to use, because the Unity3.x version does not support software such as SVN very well. When multiple people work together, data loss and other situations often occur. because
- 2024-02-27 1 680
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- How to use Android Tasker Chinese WORD version 2MB
- This document mainly describes how to use Android's Tasker; Tasker on Android is definitely one of the artifacts of the Android system. Unlike Auto Memory Manager, Tasker is not an acceleration software, but a system-enhanced software. Because There are many system states that can be controlled, making Tasker the brightest star in the Android system. But Tasker is undoubtedly the most difficult software to use. Because there are so many places you can control, it makes people feel a little overwhelmed.
- 2024-01-30 0 668
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- Maven series
- Some companies do not provide external networks for programmers, so maven cannot be used to access remote warehouse addresses, so it is necessary to find a machine in the LAN that has external network permissions; build a nexus private server, and then programmers connect to this private server In this case, you can access the maven remote warehouse through this computer with a nexus private server. Interested friends can come and take a look
- 2024-02-29 6 1571
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- Easy language programming
- Yi Language is a fully Chinese, fully visual, cross-platform programming tool. It was designed and developed by Dalian Dayou Wu Tao Yi Language Software Development Co., Ltd. It is characterized by full Chinese culture and low entry requirements. Almost all you need to know how to use computers and words is Anyone who inputs can do programming, and its development language is all Chinese and life-oriented. In the future study, we will deeply appreciate its "easy". Let's enter the world of "Easy" together! This platform provides easy language programming beginner version download
- 2024-02-29 0 753
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- Delphi classic programming introduction chm version
- Delphi is a new visual programming environment that provides us with a convenient and fast Windows application development tool. It uses many advanced features and design ideas of the Microsoft Windows graphical user interface, adopts a flexible and reusable complete object-oriented programming language (Object-Oriented Language), the fastest editor in the world today, and the most leading database technology . For the majority of program developers, using Delphi to develop application software will undoubtedly greatly improve programming efficiency.
- 2024-01-17 2 1263