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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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- 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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- Flash commonly used button codes word version
- Flash Player is a program that can play small and fast multimedia animations, as well as interactive animations, flying logos and images created with Macromedia Flash. This player is very small, takes only a moment to download, and is a great start for experiencing multimedia effects on the web. Flash also supports high-quality mp3 audio streams, text input fields, interactive interfaces, and much more. This latest version can view all flash formats. If you want to watch multimedia content on the web, flash player is almost
- 2024-01-17 0 1923
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- Linux
- This document mainly talks about the basics of Linux-Shell script programming; we can use any text editor, such as gedit, kedit, emacs, vi, etc. to write shell scripts. I hope this article can bring help to everyone; interested friends You can come and take a look
- 2024-02-29 7 1900
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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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- 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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- 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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- Python essential reference pdf version
- This book provides an essential reference on the beautiful language python. The author brings you into the paradise of python through a complete and clear introductory guide, and then discusses syntax, types and objects, operators and expressions, control flow functions and functional programming, class and object-oriented programming, modules and packages, input and output , execution environment and other aspects are given detailed explanations. If you want to join the world of python, don't miss this book by David M beazley. (The cover is from the latest English version, the Chinese version seems to have only been translated to the second edition)
- 2024-01-26 1 828
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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