file和reflect

2024-10-26

Java高级篇（四）——反射

之前写到了设计模式的代理模式,因为下一篇动态代理等内容需要用到反射的知识,所以在之前Java篇的基础上再写一篇有关反射的内容,还是以实际的程序为主,了解反射是做什么的.应该怎么用. 一.什么是反射反射就是把Java类中的各个成分映射成一个个的Java对象.即在运行状态中,对于任意一个类,都能够知道这个类的所以属性和方法:对于任意一个对象,都能调用它的任意一个方法和属性.这种动态获取信息及动态调用对象方法的功能叫Java的反射机制. 1. 反射机制的功能 Java反射机制主要提供了以下功能: 在

细读cow.osg

细读cow.osg 转自:http://www.cnblogs.com/mumuliang/archive/2010/06/03/1873543.html 对,就是那只著名的奶牛. //Group节点,可有子节点.Group { UniqueID Group_0 //Gourp名称DataVariance STATIC //不知道用来干嘛,一般都是staticcullingActive TRUE //参与culling?num_children 1

【ASP.NET Identity系列教程（三）】Identity高级技术

注:本文是[ASP.NET Identity系列教程]的第三篇.本系列教程详细.完整.深入地介绍了微软的ASP.NET Identity技术,描述了如何运用ASP.NET Identity实现应用程序的用户管理,以及实现应用程序的认证与授权等相关技术,译者希望本系列教程能成为掌握ASP.NET Identity技术的一份完整而有价值的资料.读者若是能够按照文章的描述,一边阅读.一边实践.一边理解,定能有意想不到的巨大收获!希望本系列博文能够得到广大园友的高度推荐. $(document).rea

[OSG][转]osg格式文件

转自:http://blog.csdn.net/timothyfly/article/details/7826139 osg格式文件中如何处理多个节点共享一个子节点下面一段程序中,共有三个Group类型根节点:root,grp1和grp2:两个Geode类型节点:geode1和geode2.他们之间的从属关系是:grp1,grp2和geode2是root的孩子,geode1和geode2是grp1的孩子,geode2是grp2的孩子. .osg格式的文件存储像geode2这个的节点时,采用'U

How to Modify Public Network Information including VIP in Oracle Clusterware (文档 ID 276434.1)

APPLIES TO: Oracle Database - Enterprise Edition - Version 11.2.0.3 to 12.1.0.2 [Release 11.2 to 12.1]Information in this document applies to any platform. PURPOSE The purpose of this note is to illustrate how to change a public hostname, public IP,

使用resumable.js上传大文件（视频）兵转换flv格式

前台代码 <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Video.aspx.cs" Inherits="BPMS.WEB.Video" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="

laravel code bright

Project RootLet’s start by taking a look at the root folder structure.• app/• bootstrap/• vendor/• public/• .gitattributes• .gitignore• artisan• composer.json• composer.lock• phpunit.xml• server.php bootstrap• autoload.php• paths.php• start.phpThe bo

Migration of ASP.NET app from IIS6 to IIS7 (7.5)

For many of us familiar problem. You developing applications under IIS6 and you're about to move them to IIS7. In previous version of IIS was enough to copy over your files, create app pool and site. IIS7 (7.5) is different in this point. In IIS6 th

java Permissions and Security Policy--官方文档

3 Permissions and Security Policy 3.1 The Permission Classes The permission classes represent access to system resources. The java.security.Permission class is an abstract class and is subclassed, as appropriate, to represent specific accesses. As an

[转]Converting a C library to gyp

Source:http://n8.io/converting-a-c-library-to-gyp/ Converting a C library to gyp Published: 2012.10.02 gyp, short for "Generate Your Projects", is a build system written by Google that was specifically designed to build their Chromium web browse

ASP.NET Identity 三（转载）

转载来源:http://www.cnblogs.com/r01cn/p/5194257.html 注:本文是[ASP.NET Identity系列教程]的第三篇.本系列教程详细.完整.深入地介绍了微软的ASP.NET Identity技术,描述了如何运用ASP.NET Identity实现应用程序的用户管理,以及实现应用程序的认证与授权等相关技术,译者希望本系列教程能成为掌握ASP.NET Identity技术的一份完整而有价值的资料.读者若是能够按照文章的描述,一边阅读.一边实践.一边理解,定

How to make an IntelliJ IDEA plugin in less than 30 minutes

Sometimes it is a nice thing to extend an editor to have it do some new stuff, like being able to revert an open file to its state on disk. In this post I’m going to quickly demonstrate how to start and finish a plugin to extend theIntelliJ IDEA edit

Sample Credential Providers

Windows Vista Sample Credential Providers Overview Contents Terms of Use Release Notes SampleCredentialProvider The SampleCredentialProvider Codebase Project Structure Common Tasks For Extending SampleCredentialProvider Tips & Tricks Automating T

How To Move a MySQL Data Directory to a New Location on Ubuntu 16.04

16 How To Move a MySQL Data Directory to a New Location on Ubuntu 16.04 PostedJuly 21, 2016 62.1kviews MYSQL BLOCK STORAGE STORAGE UBUNTU UBUNTU 16.04 Introduction Databases grow over time, sometimes outgrowing the space on the file system. You can a

AutoEventWireup

Page_PreInit & OnPreInit - whats the difference? https://forums.asp.net/t/1095903.aspx?Page_PreInit+OnPreInit+whats+the+difference+ The Page_PreInit method is an event handler, but the OnPreInit method is an override. You can use either of them witho

Oracle 11gR2 RAC网络配置，更改public ip、vip和scanip

Oracle 11gR2 RAC网络配置,更改public ip.vip和scanip 转载黑裤子发布于2018-10-30 01:08:02 阅读数 2898 收藏展开转载. https://blog.csdn.net/Martin201609/article/details/52557037 Oracle RAC网络配置,修改public IP以及VIP地址 Oracle Clusterware Network管理 #public ip和private ip An Oracle Cl

saltstack手册（含官方pdf）

官方手册 https://docs.saltstack.com/en/pdf/Salt-2019.2.1.pdf 快速入门 SALTSTACK是什么? Salt是一种和以往不同的基础设施管理方法,它是建立在大规模系统高速通讯能力可以大幅提升的想法上.这种方法使得Salt成为一个强大的能够解决基础设施中许多特定问题的多任务系统.远程执行引擎是Salt的核心,它能够为多组系统创建高速.安全的双向通讯网络.基于这个通许系统,Salt提供了一个非常快速.灵活并且容易使用的配置管理系统,称之为“Salt

20180308-Python内置方法

先大致粗略的说一下反射的概念,不是很准确,后续详细讲解: 1. 以字符串的形式,导入模块 2. 以字符串的形式,获取模块内部的函数,并执行通常我们想在一个模块中导入另外一个模块,则需要通过 import xxx,所示 commons.py文件 NAME = 'XM' def f1(): print('f1') 下面要想在reflect.py文件中导入commons.py,并调用commons.py文件中的f1函数和NAME变量,通常情况下我们通过下面的方式导入 import commons #

ASP.NET Identity系列教程-4【Identity高级技术】

https://www.cnblogs.com/r01cn/p/5194257.html 15 ASP.NET Identity高级技术 In this chapter, I finish my description of ASP.NET Identity by showing you some of the advanced features it offers. I demonstrate how you can extend the database schema by defining

[ERROR] error: error while loading <root>, error in opening zip file error: scala.reflect.internal.MissingRequirementError: object scala.runtime in compiler mirror not found.

在家编译一个Apache的开源项目,在编译时遇到错误如下: error: error while loading <root>, error in opening zip file [ERROR] error: error while loading <root>, error in opening zip file error: scala.reflect.internal.MissingRequirementError: object scala.runtime in comp

Error on line -1 of document : Premature end of file. Nested exception: Premature end of file.

启动tomcat, 出现, ( 之前都是好好的... ) [lk ] ERROR [08-12 15:10:02] [main] org.springframework.web.context.ContextLoader.initWebApplicationContext(215) | Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean

file和reflect

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