摘要: 1. OSGi Knowleage 2. OSGi.Net on Windows 3. OSGi with JAVA 4. OSGi with Qt and C++ 5. Architecture of Gateway using EIP 5.1 EIP = Enterprise Integerat 阅读全文
posted @ 2018-11-09 08:02 iDragon 阅读(438) 评论(0) 推荐(0) 编辑
摘要: Many frameworks or middlewares have the same concept and desgin principle. EIP: Flume: Storm: Spring: Netty: Spark: Flink: 阅读全文
posted @ 2018-10-25 15:33 iDragon 阅读(443) 评论(0) 推荐(0) 编辑
摘要: Source within Flume is a kind of Server for outside client. Sink within Flume is a kind of client for ourside server such as HDFS, MongoDB, Kafka. 阅读全文
posted @ 2018-08-02 10:06 iDragon 阅读(297) 评论(0) 推荐(0) 编辑
摘要: MapReduce provides a programming model that abstracts the problem form disk reads and writes, transforming it into computation over sets of keys and v 阅读全文
posted @ 2018-07-27 07:37 iDragon 阅读(498) 评论(0) 推荐(0) 编辑
摘要: Spark函数详解系列之RDD基本转换 https://www.cnblogs.com/MOBIN/p/5373256.html The RDD provides low level API for hight level of transformation (lasy loading) which 阅读全文
posted @ 2018-07-27 07:22 iDragon 阅读(240) 评论(0) 推荐(0) 编辑
摘要: Do what we want based on what others already did with additional abstraction and organization to service for uses.PrefaceProvide valuable insight to p... 阅读全文
posted @ 2015-01-07 21:04 iDragon 阅读(267) 评论(0) 推荐(0) 编辑
摘要: No one can do all things, learn to be good at use what others already did.Most computers have two modes of operation: kernel mode and user mode. The O... 阅读全文
posted @ 2014-12-20 15:14 iDragon 阅读(530) 评论(0) 推荐(0) 编辑
摘要: Everything has its principles and mechanisms which are designed by its creator and followed by its users. Embedded Platform Architecture The key to un 阅读全文
posted @ 2014-12-14 22:34 iDragon 阅读(805) 评论(0) 推荐(0) 编辑
摘要: Try your best to provide an mechanism to implement what you want. 1. All is generated by QT Framework before compiling. 1 QObject.connect(sender,SIGNA 阅读全文
posted @ 2014-12-10 19:36 iDragon 阅读(349) 评论(0) 推荐(0) 编辑
摘要: Native Service and Android Service Native Service:In every main() method of NativeService, which is called by init process through parseing init.rc, t 阅读全文
posted @ 2013-08-28 11:11 iDragon 阅读(3896) 评论(0) 推荐(0) 编辑
摘要: Many thanks to the people who devote themselft to the common libs. STL four components Global Constructor and Destructor STL Allocator STL Vector STL 阅读全文
posted @ 2013-08-15 15:35 iDragon 阅读(616) 评论(0) 推荐(0) 编辑
摘要: Function object is very userful to use member function or non-member function as callback mechanism, Same as event or delegate in C#.For pointer to object 1 template 2 class MemFunctionObject : public binary_function 3 { 4 Return (Type::*pMemFunction)(Argument); 5 public: 6 explicit MemFuncti... 阅读全文
posted @ 2013-07-30 10:43 iDragon 阅读(267) 评论(0) 推荐(0) 编辑
摘要: 高屋建瓴From Up to Down.Outside into inside.Interface-Oriented Framework with dynamic configuration.SOA:Service-Oriented Architecture.一。总述三种方式:WPFOSGiSOA Architecture二。看看一些系统架构Windows 架构,架构变迁的从提供功能到以服务为核心。 Service-CenteredLinux 系统架构Windows Metro SystemAndroid System Structure. Underscore the concept of 阅读全文
posted @ 2013-07-29 17:58 iDragon 阅读(1274) 评论(0) 推荐(0) 编辑
摘要: Programming language evolves always along with Compiler's evolvement.1. The C++ Object Model:Stroustrup's original (and still prevailing) C++ Object M... 阅读全文
posted @ 2013-07-26 08:36 iDragon 阅读(310) 评论(0) 推荐(0) 编辑
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posted @ 2020-07-03 14:21 iDragon 阅读(106) 评论(0) 推荐(0) 编辑
摘要: 1.Lambda 与 匿名函数(x, y) => x * y //多参数,隐式类型=> 表达式 x => x * 5 //单参数, 隐式类型=>表达式 x => { return x * 5; } //单参数,隐式类型=>语句块 (int x) => x * 5 //单参数,显式类型=>表达式 (i 阅读全文
posted @ 2020-05-15 16:27 iDragon 阅读(180) 评论(0) 推荐(0) 编辑
摘要: 1. ThreadPool.QueueUserWorkItem(AsyncAppend, loggingEvent);2. Username = string.IsNullOrEmpty(Username) ? "guest" : Username;3. public void Until(Func 阅读全文
posted @ 2020-04-24 09:31 iDragon 阅读(227) 评论(0) 推荐(0) 编辑
摘要: 目录 API 应用框架(Application Frameworks) 应用模板(Application Templates) 人工智能(Artificial Intelligence) 程序集处理(Assembly Manipulation) 资源(Assets) 认证和授权(Authentica 阅读全文
posted @ 2019-11-21 17:08 iDragon 阅读(228) 评论(0) 推荐(0) 编辑
摘要: ACL、RBAC、ABAC https://github.com/casbin 权限: 模块菜单(功能权限);给角色授权功能权限即用户能访问哪些菜单 模块按钮(按钮权限);给角色分配菜单中的按钮权限 模块列表(视图权限);视图权限能指定在功能当中列表页面里哪些字段角色可见 数据权限(数据权限);分配 阅读全文
posted @ 2019-10-15 17:58 iDragon 阅读(607) 评论(0) 推荐(0) 编辑
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posted @ 2019-10-15 17:49 iDragon 阅读(188) 评论(0) 推荐(0) 编辑
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posted @ 2019-10-15 17:47 iDragon 阅读(84) 评论(0) 推荐(0) 编辑
摘要: Core Concept: HTTP-Centered 阅读全文
posted @ 2019-10-12 16:49 iDragon 阅读(199) 评论(0) 推荐(0) 编辑
摘要: Node Addon as bridge between javascript and C++ //build addonfile: binding.gyp{ "targets": [ { "target_name": "myaddon", "sources": ["hello.cc"] },{ " 阅读全文
posted @ 2019-10-12 09:09 iDragon 阅读(366) 评论(0) 推荐(0) 编辑
摘要: EventBus: 0: Register one object as subscriber in registry 1: Search annotations on all subscriber's methods which has only one parameter as event typ 阅读全文
posted @ 2019-10-12 08:11 iDragon 阅读(125) 评论(0) 推荐(0) 编辑