Understanding page frames and pages

Memory in Linux is organized in the form of pages (typically 4 KB in size). Contiguous linear addresses within a page are mapped onto contiguous physical addresses on the RAM chip. However contiguous pages can be present anywhere on the physical RAM.…

Windows Phone 8.1 Page transitions

original: http://www.visuallylocated.com/post/2014/06/24/Page-transitions-and-animations-in-Windows-Phone-Runtime.aspx With the release of Windows Phone 8.1 Runtime (aka XAML) comes a lot of functionality that previously only existed in the Windows P…

工作于内存和文件之间的页缓存, Page Cache, the Affair Between Memory and Files

原文作者:Gustavo Duarte 原文地址:http://duartes.org/gustavo/blog/post/what-your-computer-does-while-you-wait Page Cache, the Affair Between Memory and Files 工作于内存和文件之间的页缓存 Previously we looked at how the kernel manages virtual memory for a user process, but…

Page Cache, the Affair Between Memory and Files

Previously we looked at how the kernel manages virtual memory for a user process, but files and I/O were left out. This post covers the important and often misunderstood relationship between files and memory and its consequences for performance. Two…

System and method to prioritize large memory page allocation in virtualized systems

The prioritization of large memory page mapping is a function of the access bits in the L1 page table. In a first phase of operation, the number of set access bits in each of the L1 page tables is counted periodically and a current count value is cal…

DrawingControl控件在Add Page时报故障的问题

Visio二次开发用到了Drawing Control控件.在控件上添加新页面时,visual编译器报内存保护故障“尝试读取或写入受保护的内存.这通常指示其他内存已损坏.”,这个问题困扰了我很久,最后google上查到,该问题为visio的一个bug,解决方法如下: C# // declare win32 function [DllImport("user32.dll", EntryPoint="SendMessageA")] public static exter…

Operating System Memory Management、Page Fault Exception、Cache Replacement Strategy Learning、LRU Algorithm

目录 . 引言 . 页表 . 结构化内存管理 . 物理内存的管理 . SLAB分配器 . 处理器高速缓存和TLB控制 . 内存管理的概念 . 内存覆盖与内存交换 . 内存连续分配管理方式 . 内存非连续分配管理方式 . 虚拟内存的概念.特征及其实现 . 请求分页管理方式实现虚拟内存 . 页面置换算法 . 页面分配策略 . 页面抖动和工作集 . 缺页异常的处理 . 堆与内存管理 0. 引言有两种类型的计算机,分别以不同的方法管理物理内存 . UMA计算机(一致内存访问 uniform memor…

UNDERSTANDING POSTGRESQL.CONF: CHECKPOINT_SEGMENTS, CHECKPOINT_TIMEOUT, CHECKPOINT_WARNING

While there are some docs on it, I decided to write about it, in perhaps more accessible language – not as a developer, but as PostgreSQL user. Some parts (quite large parts) were described in one of my earlier posts, but I'll try to concentrate on W…

error RC1205: invalid code page

Get followings error and warnings when building project: error RC1205: invalid code pagewarning C4005: '__useHeader' : macro redefinitionwarning C4005: '__on_failure' : macro redefinition Explanation from MSDN: Resource Compiler Fatal Error RC1205 Th…

selenium page object model

Page Object Model (POM) & Page Factory in Selenium: Ultimate Guide 来源:http://www.guru99.com/page-object-model-pom-page-factory-in-selenium-ultimate-guide.html Before we learn about Page Object Model, lets understand - Why POM ? Starting a UI Automa…

js page click

DataTables Editor Your account: Login / Register Examples Manual Reference Options API Events Buttons Types Extensions Plug-ins Blog Forums Support FAQs Download Purchase page Since: DataTables 1.10 Page change event - fired when the table's paging…

ASP.NET Core教程【一】关于Razor Page的知识

关键文件和目录结构按照asp.net core WEB应用程序向导,创建一个工程之后你会发现如下几个目录和文件 wwwroot:放置网站的静态文件的目录 Pages:放置razor页面的目录 appsettings.json:是应用的配置文件 bower.json:静态资源包管理的配置文件 Program.cs:这个程序负责承载ASP.NET Core应用 Startup.cs:初始化service的配置,初始化请求管道下面我们单独说一下Pages目录 _Layout.cshtml 是整个…

微信小程序：模板消息推送提示{“errcode”:41030,”errmsg”:”invalid page hint: [gP1eXXXXXX]”}

在开发小程序模板消息定时推送功能时,在开发版测试程序功能运行正常,但提交到线上后提示报错{“errcode”:41030,”errmsg”:”invalid page hint: [gP1eXXXXXX]”} 查看小程序文档查看到如下说明: 可以得到,报错的原因问page不正确,我配置的page为: /pages/detail/detail?id=8a2b978c61db4d5a01621a313e842331 正确的做法是: pages/detail/detail?id=8a2b978c6…

[译]ASP.NET Core揭秘 - Razor Pages

原文什么是Razor Pages? Razor pages是ASP.NET Core 2.0的新特性,它被设计用来更快的开发页面,比传统的MVC模式更便捷. 创建项目为了使用Razor Pages,你须在安装Core 2.0. 在VS中,你可以通过选择File -> New Project,然后选择ASP.NET Core Web Application来创建一个新的Core Razor Pages项目: 现在,选择Web Application点击OK创建项目: VS创建的Razor Pa…

ASP.NET Core教程【二】从保存数据看Razor Page的特有属性与服务端验证

前文索引:ASP.NET Core教程[一]关于Razor Page的知识在layout.cshtml文件中,我们可以看到如下代码: <a asp-page="/Index" class="navbar-brand">RazorPagesMovie</a> 这段代码中用到asp-page这样的一个特有属性,这是razor page特有的, 这是一个锚点属性,它的值将被编译到a标签的href属性上: 跟多的时候,我们会像下面这样使用锚点属性…

一个用于分页的page类

今天周一,趁工作轻松,自己就写了一个基于MySQl数据库的分页查询,做分页,最主要的是以下几点: 一:写sql语句:比如查询某张数据表的数据,sql语句为:select * from table limit 0,10 焦点就是limit这个限制条件,它的功能是:从0开始查询10条数据,表示你要在你的显示页面上显示10条数据,就是说你数据库表里面有15条,那只能显示10条,剩余5条数据只能在下一页中显示. 同时需要查询数据库表中的数据总数:select count(*) from table ,…

自定义SharePoint2013 master page

SharePoint uses templates to define and render the pages that a site displays. The structure of a SharePoint page includes three main elements: Master pages define the shared framing elements—the chrome—for all pages in your site. Page layouts define…

mezzanine的page表

class Orderable(with_metaclass(OrderableBase, models.Model)): """ Abstract model that provides a custom ordering integer field similar to using Meta's ``order_with_respect_to``, since to date (Django 1.2) this doesn't work with ``ForeignKey…

使用Puppeteer进行数据抓取(二)——Page对象

page对象是puppeteer最常用的对象,它可以认为是chrome的一个tab页,主要的页面操作都是通过它进行的.Google的官方文档详细介绍了page对象的使用,这里我只是简单的小结一下. 客户端模拟页面模拟设置相关函数有如下几个, page.setViewport: 设置视图大小 page.setUserAget: 设置UserAgent page.SetCookie: 设置Cookie 另外,也可以使用emulate函数提供快捷设置,puppeteer/DeviceDescript…

Hexo博客系列(三)-将Hexo v3.x个人博客发布到GitLab Pages

[原文链接]:https://www.tecchen.xyz/blog-hexo-env-03.html 我的个人博客:https://www.tecchen.xyz,博文同步发布到博客园. 由于精力有限,对文章的更新可能不能及时同步,请点击上面的原文链接访问最新内容. 相关链接 GitLab Pages:https://about.gitlab.com/product/pages/ 前言这里不多说Git作为版本控制系统的优势,Gitlab作为支持私有仓库的开源Git系统,另外开放了Pages…

Customizing Site-Wide Behavior for ASP.NET Web Pages (Razor) Sites

Customizing Site-Wide Behavior for ASP.NET Web Pages (Razor) Sites By Tom FitzMacken|February 17, 2014 This article explains how to make site-side settings for pages in an ASP.NET Web Pages (Razor) website. What you'll learn: How to run code that let…

【翻译】介绍 ASP.NET Core 中的 Razor Pages

介绍 ASP.NET Core 中的 Razor Pages 原文地址:Introduction to Razor Pages in ASP.NET Core 译文地址:介绍 asp.net core 中的 Razor Pages 翻译:ganqiyin Razor Pages 是 ASP.NET Core MVC 的一个新功能,可以让基于页面的编程方案更容易,更高效. 如果您正在寻找使用 Model-View-Controller 的教程,请参阅ASP.NET…

Page Design for Sexable Forum

Design Demo 1. Home of Sexable Forum 1.1 home page not logined. 1,2 home page logined. 2. Pages with pictures-and-words, blog like 2.1 template 1 2.2 template 2 2.3 template 3 2.4 template 4 3. Pages with pictures-only, touching interaction added. 3…

ASP.NET Core：Pages

ylbtech-ASP.NET Core:Pages 1.返回顶部 1._Layout.cshtm <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>@Vie…

PatentTips - Cross-domain data transfer using deferred page remapping

BACKGROUND OF THE INVENTION The present invention relates to data transfer across domains, and more particularly, to data transfer across a number of different protection domains using page remapping. Operating systems that utilize different protecti…

.NET Core ORM 类库Petapoco中对分页Page添加Order By对查询的影响

最近一直在使用Petapoco+Entity Framework Core结合开发一套系统. 使用EFCore进行Code First编码,使用PMC命令生成数据库表的信息. 使用Petapoco进行数据库的常规操作.并且结合PetaPoco.SqlKata的使用,减少了编写SQL语句的工作量,对提升开发效率有很大的帮助.Petapoco对数据库的支持非常的全,包括常规的一下数据库:SQL Server,SQL Server CE,MS Access,SQLite,MySQL,MariaDB,P…