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Found a total of 529 related content
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- Ruby on Rails string processing Chinese WORD version
- This document focuses on Ruby on Rails string processing; there are many ways to create a string in Ruby. There are two ways to represent a string: surrounding the character with a pair of single quotes ('str') or surrounding the character with a pair of double quotes ("str"). The difference between these two forms lies in the processing of the surrounding string. Strings constructed with double quotes can handle more escape characters. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-02 0 1236
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- Delphi string type analysis WORD version
- This document mainly talks about Delphi string type analysis; I hope this document will help friends in need; interested friends can come and take a look
- 2024-01-18 0 1194
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- JSON.NET simple use Chinese WORD version
- This document mainly talks about the simple use of JSON.NET; JSON.NET is used to convert objects in .NET into JSON strings (serialization), or to convert JSON strings into objects of existing types in .NET ( Deserialization?). I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-28 0 1233
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- Perl learning handbook chm version
- Perl Learning Handbook is an article written by a Taiwanese Perl master, specially packaged as a chm version for everyone's convenience. About this book 1. About Perl 1.1 History of Perl 1.2 Concepts of Perl 1.3 Features 1.4 Environment for using Perl 1.5 Getting started with Perl 1.6 Your first Perl program 2. Scalar variables (Scalar) 2.1 About scalars 2.1.1 Numeric values 2.1. 2 Strings 2.1.3 Number and string conversion 2.2 Use your own
- 2024-02-29 5 2204
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- Android data format parsing object JSON usage WORD version
- This document mainly describes the usage of Android data format parsing object JSON; JSON can convert Java objects into json format strings, and can convert json strings into Java. More lightweight than XML, Json is lighter and simpler to use. JSON data format is widely used in client and server communication in Android, and is very convenient for network data transmission and analysis. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-30 0 1080
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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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- 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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- MATLAB function help document Chinese WORD version
- A function is a set of statements that work together to perform a task. In MATLAB, functions are defined in separate files. The file names of the file functions should be the same. Functions operate in their own workspace, which is also called the local workspace, independent of the workspace, accessed at the MATLAB command prompt, which is called the base workspace variable. Functions can accept multiple input parameters and may return multiple output parameters. MATLAB is a programming language developed by The MathWorks Company. It was originally a matrix programming language that made linear algebra programming easy. It can be run on
- 2024-01-18 1 632
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- Perl basic tutorial chm
- A basic introductory Chinese tutorial on Perl, in chm format, describing an overview of PERL, simple variables, operators, list and array variables, file reading and writing, pattern matching, control structures, subroutines, associative arrays/hash tables, formatted output, and file systems , reference, object-oriented, packages and modules and other knowledge points. Suitable for beginners to read and understand the Perl scripting language.
- 2024-02-26 0 1716
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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