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Found a total of 529 related content
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- Matlab reads CSV file WORD version
- This document mainly talks about Matlab reading CSV files; I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-19 0 691
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- Reading Excel data in delphi Chinese WORD version
- This document mainly talks about reading Excel data in Delphi; I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-18 0 957
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- Databases for Android data access Chinese WORD version
- This document mainly talks about Databases for Android data access; databases can be operated on the Android platform, which is one of the surprises when you first come into contact with Android. On the Android platform, a SQLite database is bound. This database system is also very unique. Its largest application scenario is embedded systems. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-29 0 542
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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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- Usage examples of Android database SQLite Chinese WORD version
- Android provides three data storage methods, the first is file storage; the second is SharedPreferences storage; and the third is database SQLiteDatabase storage. I don’t need to say more about file storage, but SharedPreferences can access simple data (int, double, float.etc). It is often used for data caching because it is simple to read and store. For details, please refer to this series. Advanced Tutorial for Android Experts (7) - Android Medium
- 2024-02-29 0 930
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- Android development tutorials and notes pdf version
- Android file access and database programming knowledge. File operations mainly include reading files, writing files, reading static files, etc. It also introduces creating, adding file content and saving, opening files and displaying the content; database programming mainly introduces the SQLite database. The use includes knowledge of creating, deleting, opening databases, non-query SQL operation instructions, query SQL instructions-cursors, etc.
- 2024-02-29 12 2490
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- Android development skills collection tutorial pdf version
- Android development skills collection pdf version, including: ANDROID common class library description, ANDROID file system and application architecture, ANDROID application structure, ANDROID UI LAYOUT (layout), ANDROID UI controls, ANDROID UI beautification, ANDROID UI animation, asynchronous calls , data storage and reading, etc.
- 2024-02-26 0 851
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- Android SurfaceView usage summary Chinese WORD version
- This document mainly talks about the summary of the use of SurfaceView in Android; SurfaceView is a subclass of the View class. It can obtain image data directly from memory or DMA and other hardware interfaces. It is a very important drawing view. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-27 2 2175
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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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- 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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- Android Camera system analysis Chinese WORD version
- This document mainly talks about the analysis of Android's Camera system; Android's Camera includes the functions of previewing and taking pictures. Although the current Android release version of the Camera program has relatively simple functions, its program architecture is divided into two parts, the client and the server. They are built on the structure of Android's inter-process communication Binder. The Camera module mainly includes libandroid_runtime.so, l
- 2024-02-29 0 922
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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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- Perl Automated System Administration Automating.System.Administration.with.Perl.2nd.Edition 2nd Edition
- Perl is a powerful tool for UNIX-like system management. If you do not know Perl when maintaining the system, you should at least be familiar with SHELL. It is best to be comfortable with both. Perl is a scripting language. The original designer was Larry Wall and it was published on December 18, 1987. Perl borrowed features from C, sed, awk, shell scripting, and many other programming languages. The most important feature is its internal integration of regular expression functions and the huge
- 2024-02-01 0 1459
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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 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