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- Array application & two-dimensional array word version
- The so-called array is a collection of elements of the same data type arranged in a certain order. It is a collection of variables that names a limited number of variables of the same type and then uses numbers to distinguish them. This name is called the array name, and the number is called the following. mark. The individual variables that make up an array are called components of the array, also called elements of the array, and sometimes called subscript variables. In programming, an array is a form of organizing several variables of the same type in an orderly manner for the convenience of processing. These collections of similar data elements arranged in order are called arrays. Array application & two-dimensional array directory
- 2024-01-31 0 792
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- Python operation Mysql example code tutorial
- This article introduces various code examples and detailed introductions such as Python operating MYSQL, executing SQL statements, obtaining result sets, traversing result sets, obtaining a certain field, obtaining table field names, inserting pictures into the database, executing transactions, etc. Most of the code is A sumptuous and beautiful code feast. If you want to view the online version, please visit: https://www.jb51.net/article/34102.htm
- 2024-01-26 0 1364
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- UNIX Technical Manual Unix in a Nutshell, 4th Edition English PDF text version
- Unix in a Nutshell also covers many important, industry-standard open source tools. The book also fully discusses commonly used shells (bash, ksh, and tcsh) and important elements such as regular expressions, as well as old tools such as sed, awk, and vi. Unix is not a huge thing: it is a complex, and the Unix Technical Manual is the book that brings it all together. What is unix? The original unix source code is owned by sco, and the registered trademark of unix is owned by open grou
- 2024-02-29 2 1812
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- Perl Lwp documentation chm version
- LWP is the abbreviation of Library for Web access in Perl. The purpose is very clear, it is a Perl package for accessing the Web server. Using the LWP package, we can easily access resources on external web servers in our perl scripts. Why use LWP? Today's website applications are becoming more and more complex. It is simply impossible to simply write a Sockettelnet to obtain resources using the GET command, especially for some websites that require passwords to log in. If you just want to simply get
- 2024-02-29 5 1679
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- Android kernel compilation graphic tutorial chm version
- android kernel compilation manual (with pictures and texts) chm, Google Android operating system kernel compilation tutorial with pictures and texts. Build a cross-compilation environment (install Android SDK: Unzip android-sdk_m5-rc14_linux-x86.zip to the appropriate path and use it. This article releases it to the /usr/local/android_sdk_linux path, and adds its tools path to PATH), obtain the kernel compilation configuration file (from and
- 2024-02-26 0 933
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- Analysis of Android application message processing mechanism Chinese WORD version
- Android applications are driven by messages. The system maintains a message queue for each application. The main thread of the application continuously obtains messages from this message queue (Looper), and then processes these messages (Handler). , In this way, the execution of the application is driven by messages. This article will analyze the message processing mechanism of Android applications in detail. Friends in need can download and take a look
- 2024-02-28 0 1091
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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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- Introductory Tutorial on WeChat Public Platform Development Chinese WORD Version
- Due to the popularity of WeChat, in order to better facilitate users who use WeChat to query some information, this article is an entry-level WeChat public platform development tutorial. Friends in need can refer to this introductory tutorial, which will guide you to complete the following tasks: Create Baidu Cloud Platform application enables WeChat public platform development model to obtain subscription, text, picture, voice, video message reply text, graphic and music message program development
- 2024-02-26 0 917
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- The most awesome Linux Shell command collection PDF version
- This article is compiled from Catonmat's series Top Ten One-Liners from CommandLineFu Explained. As a website that recommends the most useful shell commands by users, it records tens of thousands of shell commands of various colors, many of which are quite practical and interesting. This article will break down some of the commands with the highest votes, draw materials from them and add them to Detailed explanation, hope readers can benefit from it. Introduction Shell is the most attractive and indispensable component of Unix operating systems.
- 2024-02-03 13 2699
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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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- 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