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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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- Flex Designer Basics English Text PDF Version
- "Foundation Flex for Designers" English text version [PDF]
- 2024-01-17 0 1755
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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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- 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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- 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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- Ruby Reference Manual Chinese CHM Edition
- Ruby is a pure object-oriented programming language. It was founded in 1993 by Yukihiro Matsumoto from Japan. You can find Yukihiro Matsumoto on the Ruby mailing list at www.ruby-lang.org. In the Ruby community, Matsumoto is also known as Matz. Ruby is "a programmer's best friend". Ruby
- 2024-01-27 1 966
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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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- Python Getting Started Guide Python Tutorial pdf text version
- The most authoritative Python tutorial, written by Python author Guido van Rossum, has a little academic flavor. The Chinese electronic version was translated by Liu Xin, Li Mengyi, and Kernel1983. The content of the document is bilingual in Chinese and English. About the author: Guido van Rossum is the founder of the Python programming language and now works at Google, but for most of his time he is still working hard on the development of the Python language. Since 1989 Guido was created on the basis of ABC and language
- 2024-01-26 3 822
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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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- Getting Started with Lucene Search Chinese WORD Version
- This document mainly talks about getting started with Lucene search; searching means using a given keyword (key) to find the key in the content library (contents). The general principle of Lucene's search is to extract predetermined keywords (preKey) from contents to make an index database (indexTable). I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-30 0 1232
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- Python module learning Chinese WORD version
- This document mainly talks about module learning in Python; Python is composed of a series of modules. Each module is a file with the suffix py. At the same time, the module is also a namespace, thus avoiding the problem of variable name conflicts. We can understand modules as lib libraries. If you need to use a function or object in a certain module, you must import this module before it can be used. Except for the system default modules (built-in functions), which do not need to be imported. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-25 2 1042
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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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- 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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- Summary of information related to Perl DBI programming pdf+chm Script House Special Edition
- Mainly includes Perl+DBI programming (chm).chmPerl+DBI programming-[US] Descartes-China Electric Power Press-2001.pdfPerl DBI Tutorial on using DBI in Perl, for beginners to refer to the Chinese translation version of Perl.DBI manual .pdfPerl DBI Chinese help document, covering Perl DBI name, overview, description, DBI classes, processor general methods, general attributes, DBI database processing objects, database processing methods, etc. Programming_the_P
- 2024-02-02 0 1419
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- Using Adobe AIR to develop Android applications English pdf text version with source code
- Put your ActionScript 3 skills to work in mobile app development. This book shows how to develop native applications for Android-based smartphones and tablets using Adobe AIR. You learn the entire development process hands-on, from coding options to getting your app published to the specific functionality of Put your ActionScript 3 skills to work building mobile apps. This book shows you how t
- 2024-02-26 0 814
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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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- How to use Visual Studio 2010 WORD document doc format
- How to use Visual Studio 2010 1. Open the interface and click File---→New---→Project. The new project interface will pop up. Select Visual C++ on the left, select an empty project on the right, then enter the name and storage location below, and finally click OK. After that, the interface (Solution Explorer) will pop up, then select the header file, or source file, right-click---→Add---→New project, pop-up Add
- 2024-02-29 0 1299
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- Use HTML, CSS, JavaScript to develop Android applications English text pdf version with source file
- If you know HTML, CSS, and JavaScript, you already have the tools you need to develop Android apps. This hands-on book shows how to use these open source web standards to design and build applications that work on any Android device—no Java required. You'll learn how to create an Android-friendly web app on the platform of your choice, then convert it to a native Android app with the free PhoneGap framework
- 2024-02-27 7 1276
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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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- 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