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- Lucene index database Chinese WORD version
- This document mainly talks about the Lucene index database; Lucene, as an auxiliary tool for full-text search, performs conditional searches for us, whether it is search engines like Google, Baidu, search functions in forums, or other C/ S-architecture search brings great convenience and relatively high efficiency. This article mainly uses Lucene to index MS Sql Server 2000, and then performs full-text indexing. As for the content of the database, it can be the content of the web page or other things. Contents of the database in this article
- 2024-02-29 0 1142
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- The use of multi-threading technology in iOS development WORD version
- This document mainly talks about the use of multi-threading technology in iOS development; the so-called process corresponds to an application, which is responsible for opening up memory space for application use, but the process cannot execute tasks (instructions). A process contains at least one thread, which is the execution flow of the program. When an iOS program starts, while creating a process, it will start running a thread, which is called the main thread; I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-28 0 1125
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- iOS development learning iOS multi-threading and RunLoop Chinese WORD version
- iOS multi-threaded programming is always difficult for iOS development beginners to understand and master. Now I will use several examples to gain a more systematic and comprehensive understanding of iOS multi-threaded programming. I hope it will be helpful to everyone. Some programs are a straight line from the starting point to the end; some programs are a circle that keeps looping until it is cut off. A straight line is like a simple Hello World. After running and printing, its life cycle is over, like a flash in the pan; a round one is like an operating system, which keeps running until you shut down. A running program is a process or a task, a process
- 2024-02-03 0 1789
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- Matlab implementation of optimization method Chinese WORD version
- The technology of using optimization methods to solve optimization problems is called optimization technology, which includes two aspects: 1) Establishing a mathematical model, that is, using mathematical language to describe the optimization problem. The mathematical relationships in the model reflect the goals and various constraints to be achieved in the optimization problem. 2) Mathematical solution After the mathematical model is built, a reasonable optimization method is selected for solution. Using Matlab's optimization toolbox, you can solve linear programming, nonlinear programming and multi-objective programming problems. Specifically, it includes linear and nonlinear minimization, maximization, quadratic programming, semi-infinite problems,
- 2024-01-18 0 817
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- Android sensor programming Chinese WORD version
- This document mainly talks about Android sensor programming; a sensor is a physical device or biological organ that can detect and feel external signals, physical conditions (such as light, heat, humidity) or chemical composition (such as smoke), and will detect Information is passed to other devices or organs. At the same time, it can also be said that the sensor is a detection device that can sense the information being measured, and can transform the detected information into electrical signals or other required forms of information output according to certain rules to meet the needs of information transmission and Requirements for processing, storage, display, recording and control. It is the first to realize automatic detection and automatic control
- 2024-02-27 0 504
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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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- mod_python 3.2.8 Chinese manual doc version
- mod_python 3.2.8 Chinese manual provides the Chinese manual of Mod_python 3.2.8, which is a good material for learning Mod_python. Interested friends can refer to it. mod_python originated from the Httpdapy project (1997). Much later Httpdapy was called mod_python because Httpdapy was not specific to the apache server. Httpdapy was designed to be cross-platform, but actually started primarily with Netscape servers (
- 2024-01-25 0 923
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- python basic tutorial to lesson 60_python basic information word version
- Basic python tutorial to lesson 60. This tutorial introduces to you at the beginning, why to learn python, what are the advantages of python, etc. It will really make you want to learn python quickly. Why use Python as an introductory programming language? the reason is simple. Every language has its supporters and detractors. Go to Google "why python" and you will get a lot of results, such as wide range of applications, open source, active community, rich libraries, cross-platform, etc. You may also find
- 2024-01-25 0 1072
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- Python introductory tutorial Chinese WORD version
- Python is an efficient language. The reading and writing operations are very simple. Just like ordinary English, Python is an interpreted and executed language. We do not need to compile, we only need to write the code to run. Python is an oriented language. The language of objects, everything in Python is an object. Python is a very interesting language; interested friends can come and take a look.
- 2024-01-25 0 656
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- Basic introduction to python unittest Chinese WORD version
- Python comes with a unit test module, pyUnit is what we call: unittest; this document mainly talks about the basic introduction of python unittest; interested friends can come and take a look
- 2024-01-25 0 862
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- Detailed explanation of Python operations on Excel Chinese WORD version
- This document mainly introduces how to read and write office excel through python, using the xlrd, xlwt and xlutils modules. It also demonstrates how to operate excel through the Tcl tcom package. Interested friends can come and take a look
- 2024-01-25 0 1285
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- python matplotlib drawing Chinese WORD version
- Matplotlib.pyplot is a method used to draw pictures, similar to the plot command in matlab, and its usage is basically the same. This document mainly talks about drawing with python matplotlib; interested friends can come and take a look.
- 2024-01-25 0 1180
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- matplotlib function manual Chinese PDF version
- This document is a matplotlib function manual; I hope it will be helpful to everyone's study. Interested friends can come and take a look.
- 2024-01-25 0 686
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- abaqus Python example
- This document mainly talks about the abaqus Python example - operating excel files; currently processing data cannot be done without excel, so pythoners must learn to use python to operate excel tables. There are also many ways to interact between Python and excel; friends in need can download it and take a look
- 2024-01-25 0 531
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- Python module import and installation use Chinese WORD version
- This document mainly talks about the import, installation and use of python modules; I hope it will be helpful to everyone's learning; interested friends can come and take a look.
- 2024-01-25 0 775
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- Using Python for socket programming Chinese WORD version
- This document mainly talks about using Python for socket programming; as an interpreted language, Python is easy to use and can quickly verify our ideas and develop prototype software. A Python program can be interpreted as a whole or line by line. Friends in need can download and take a look
- 2024-01-23 0 1006
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- Python road numpy usage Chinese WORD version
- This document mainly talks about the usage of numpy in Python; I hope it will be helpful to everyone; interested friends can come and take a look.
- 2024-01-23 2 1318
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- Python study notes and concise tutorials Chinese WORD version 2.03MB
- This document is python learning notes and concise tutorial; why use Python as an introductory programming language? Every language has its supporters and detractors. Go to Google "why python" and you will get a lot of results, such as wide range of applications, open source, active community, rich libraries, cross-platform, etc. You may also find a lot of criticisms about it, such as rigid format and low efficiency. , there are very few people using it in China. However, the weighing of these advantages and disadvantages is a worry for programmers. As someone who wants to learn some programming
- 2024-01-23 0 1274
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- python tutorial for beginners Chinese WORD version
- This document is a tutorial for newbies to Python; Python is a computer programming language. You may have heard of many popular programming languages, such as the very difficult to learn C language, the very popular Java language, the Basic language suitable for beginners, the JavaScript language suitable for web programming, and so on. Interested friends can come and take a look
- 2024-01-23 0 769
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- 17 common Python runtime errors for newbies Chinese WORD version
- This document mainly talks about 17 common Python runtime errors for novices; when you first learn Python, it may be a bit complicated to understand the meaning of Python error messages. Here are some common runtime errors that can cause your program to crash. Interested friends can come and take a look
- 2024-01-23 0 812