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- Using JNI to realize the interaction between android and SO files Chinese WORD version
- This document mainly demonstrates how to interact with so files in Android. That is to say, the current problem requires hardware manufacturers to re-develop the dynamic library and develop the dynamic library according to the .h file generated by the entire Internet of Things. Interested friends can come and take a look
- 2024-02-29 0 806
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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
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- Android uses JSON for network data exchange WORD version
- This document mainly talks about Android's use of JSON for network data exchange; JSON (JavaScript Object Notation) is a lightweight data exchange format that is easy to read and write, and is also easy to be parsed and generated by machines. It is very suitable for servers and clients. terminal interaction. JSON uses a programming language-independent text format, but also uses C-like language conventions. These characteristics make JSON an ideal data exchange format. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-31 0 980
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- Advanced Tutorial for Android Experts - Android Widget Development Case
- Advanced Tutorial for Android Experts (Part 8) - Android Widget Development Case (World Cup Countdown!), mainly explains how to use Android Widget to write a World Cup-style countdown program. The tutorial explains the production steps and code.
- 2024-02-29 0 1592
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- Big data processing with Apache Spark
- This document mainly talks about using Apache Spark for big data processing - Part 1: Getting Started; Apache Spark is a big data processing framework built around speed, ease of use and complex analysis. It was originally developed by AMPLab at the University of California, Berkeley, in 2009, and became one of Apache's open source projects in 2010. In this first part of the Apache Spark article series, we will learn what Spark is, how it differs from typical Map
- 2024-01-29 0 985
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- Scala Chinese Manual Scala Getting Started and Advanced
- Scala is also a functional language, and its functions can also be used as values. Scala provides a lightweight syntax for defining anonymous functions, supports higher-order functions, allows nesting of multi-level functions, and supports currying. Scala's Case Class and its built-in pattern matching are equivalent to the Algebraic Type commonly used in functional programming languages. Scala Classroom is a series of lectures launched by Twitter to help experienced engineers become effective Scala programmers. Scala is a relatively new language
- 2024-02-02 0 1129
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- Android AsyncChannel source code analysis WORD version
- This document mainly talks about the analysis of Android AsyncChannel source code; the AsyncChannel class is used to handle asynchronous message passing between two Handlers. The Handler for message passing can be from the same process or in different processes. Handler message passing between different processes Implemented using Android's Binder communication mechanism. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-27 0 569
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- Using JSON for network data exchange and transmission Chinese WORD version
- This document mainly talks about using JSON for network data exchange and transmission; JSON (JavaScript ObjectNotation) is a lightweight data exchange format that is easy to read and write, and is also easy to be parsed and generated by machines. It is very suitable for servers and clients. Interaction. JSON uses a programming language-independent text format, but also uses C-like language conventions. These characteristics make JSON an ideal data exchange format. Like XML, JSON is a plain text-based data format. Since JSON is born
- 2024-02-29 0 902
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- Android security and permissions WORD version
- This document mainly talks about the security and permissions of Android; Android is a multi-process system, and each application (and system component) runs in its own process. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-28 2 1925
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- The use of multi-threading technology in iOS development WORD version
- This document mainly talks about the use of multi-threading technology in iOS development; the so-called process corresponds to an application, which is responsible for opening up memory space for application use, but the process cannot execute tasks (instructions). A process contains at least one thread, which is the execution flow of the program. When an iOS program starts, while creating a process, it will start running a thread, which is called the main thread; I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-28 0 1125
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- Loading modes of four Android activities WORD version
- This document mainly talks about the four loading modes of Android activities; the status of each activity is determined by its position in the activity stack (which is a LIFO that contains the queue of all running activities). The life cycle of Activty is also the life cycle of the process in which it is located. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-29 0 1088
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- Python Overview Chinese WORD Version
- This document provides an overview of Python; Python's built-in interfaces to operating system services make it an ideal tool for writing portable management tools and components (sometimes called shell tools) that maintain operating systems. Python programs can search files and directory trees, run other programs, use processes or threads for parallel processing, and more. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-23 0 703
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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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- WebSphere Learning Document Chinese WORD version
- The introduction of the new concept of profile makes managing IBM® WebSphere® Application Server easier. WebSphere Application Server V6 introduced the concept of profiles to physically separate product binaries from user data and to enable users to define multiple sets of user data. In WebSphere Application Server Chapter
- 2024-02-27 0 1073
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- Android program development permission tutorial pdf version
- Android program development permission tutorial pdf, introduces the new perspective of Android 1.5, including: improvements to the Android user interface, video recording, soft keyboard support, Chinese display and Chinese input support, desktop Widgets and Live folders, and Bluetooth function improvements , Bundled application function improvements, system performance optimization...
- 2024-01-29 2 2102
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- Hive permission control Chinese WORD version
- Hive can control permissions through metadata from version 0.10 (including version 0.10) onwards. In versions before Hive-0.10, permissions are mainly controlled through Linux users and user groups. CREATE, SELECT, and DROP of Hive tables cannot be controlled. Of course, Hive's control of permissions based on metadata is not completely safe. The purpose is to prevent users from accidentally doing operations they shouldn't do. Interested friends can come and take a look
- 2024-02-03 0 1432
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- Notes on using Android ViewGroup WORD version
- This document mainly talks about the precautions for using Android ViewGroup; ViewGroup is a subclass of View, so it also has the characteristics of View, but it is mainly used to act as a container for View, treating the View in it as its own child, and its Sub-View is managed. Of course, its children can also be ViewGroup types. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-27 0 958
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- Lucene index database Chinese WORD version
- This document mainly talks about the Lucene index database; Lucene, as an auxiliary tool for full-text search, performs conditional searches for us, whether it is search engines like Google, Baidu, search functions in forums, or other C/ S-architecture search brings great convenience and relatively high efficiency. This article mainly uses Lucene to index MS Sql Server 2000, and then performs full-text indexing. As for the content of the database, it can be the content of the web page or other things. Contents of the database in this article
- 2024-02-29 0 1142
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- WebSphere MQ transmission environment construction and testing WORD version
- This document mainly talks about the construction and testing of WebSphere MQ transmission environment; it mainly introduces: introduction to MQ core components, construction of MQ environment, and testing MQ by writing simple programs. I hope it can serve as a starting point. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-01-31 0 598
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- Introduction to OpenGL functions Chinese WORD version
- This document mainly talks about the introduction of OpenGL functions; to develop OpenGL-based applications, you must first understand the OpenGL library functions. It adopts C language style and provides a large number of functions for graphics processing and display. There are more than 100 functions in the OpenGL graphics library, which belong to different libraries such as OpenGL's basic library, utility library, and auxiliary library. I hope this document will help friends in need; interested friends can come and take a look.
- 2024-02-27 0 626