The document presents a comprehensive overview of rate limiting, including its purpose, architecture, and techniques used in distributed systems, focusing on controlling request volume to prevent abuse. It discusses different types of rate limiters, the necessity of managing unexpected traffic patterns, and the importance of informing users about limitations. Additionally, it touches on the implications for developers, environments, and potential security vulnerabilities associated with improper implementation.
TypeScript adds types to JavaScript to improve scalability and avoid bugs. It supports features like classes, interfaces, generics and enums. Companies use TypeScript for its type safety and ability to write future JavaScript features now. The presentation introduces TypeScript basics like installation, types, functions and classes, and how it helps scale apps and catch errors earlier.
This document provides a comprehensive guide for deploying and managing MySQL architectures, specifically focusing on a hands-on tutorial by Frédéric Descamps. It includes step-by-step instructions for installing MySQL components, setting up instances, and configuring replication for high availability. The guide emphasizes practical labs where users can learn to execute commands for managing MySQL servers effectively.
Ansible is an open-source configuration management and provisioning tool that uses SSH for connecting to servers, enabling centralized control of systems. Its features include agentless operation, idempotency, ease of learning, and support for various use cases such as provisioning, configuration management, and app deployment. Ansible employs playbooks and modules to automate tasks while providing a clear and declarative approach to infrastructure management.
HTML5, CSS, JavaScript Style guide and coding conventionsKnoldus Inc.
The document provides a comprehensive guide on coding standards for HTML5, CSS, and JavaScript, emphasizing the importance of consistent coding styles to enhance code readability and maintainability. It outlines specific conventions for HTML5 structure, CSS style guidelines, and JavaScript best practices, including naming conventions, indentation, and spacing. The guide serves as a standardized reference for developers to improve collaboration and understanding across large projects.
The document provides a comprehensive overview of npm (Node Package Manager), its role as a package manager for JavaScript and Node.js, and how it facilitates automated dependency management. It details the structure and usage of the package.json file for defining project dependencies, as well as instructions on installing, updating, and managing packages. Additionally, the document highlights the functionality of nodemon as a utility for monitoring changes in code and automatically restarting applications.
The document discusses the principles and practices of code generation customization within IBM's Rhapsody software, emphasizing model-driven development and integration with various programming languages. It outlines lightweight and heavyweight customization techniques, including the use of properties and simplifiers to manage code generation effectively. Additionally, the document presents the Rules Composer as a tool for complete code generator replacement and customization.
This document summarizes a presentation on Multi Version Concurrency Control (MVCC) in PostgreSQL. It begins with definitions and history of MVCC, describing how it allows transactions to read and write without blocking each other. It then discusses two approaches to MVCC - storing old versions in the main database (PostgreSQL) vs a separate area (Oracle). The rest of the document does a deep dive on how MVCC is implemented in PostgreSQL specifically, showing how tuple headers track transaction IDs and pointers to maintain multiple versions of rows.
This document outlines an agenda to learn Nginx in 90 minutes through a series of exercises. It introduces Nginx as an HTTP and reverse proxy server, discusses setting up the environment using Docker, and provides 5 exercises to learn basic Nginx configurations including setting up a first web page, proxying to an Apache server, load balancing across multiple servers with CDN, adding HTTP basic authentication, and enabling HTTPS with basic authentication.
This document provides an overview and instructions for installing and configuring ProxySQL. It discusses:
1. What ProxySQL is and its functions like load balancing and query caching
2. How to install ProxySQL on CentOS and configure the /etc/proxysql.cnf file
3. How to set up the ProxySQL schema to define servers, users, variables and other settings needed for operation
4. How to test ProxySQL functions like server status changes and benchmark performance
How Netflix Tunes EC2 Instances for PerformanceBrendan Gregg
The document details Netflix's strategies for optimizing EC2 instances for performance, including instance selection, kernel tuning, and observability practices. It discusses methodologies for analyzing performance, managing instance types, and implementing best practices to enhance efficiency and reduce latency. The insights presented are backed by various performance tools and techniques utilized by Netflix's performance engineering team.
The document provides a comprehensive overview of npm (Node Package Manager), its role as a package manager for JavaScript and Node.js, and how it facilitates automated dependency management. It details the structure and usage of the package.json file for defining project dependencies, as well as instructions on installing, updating, and managing packages. Additionally, the document highlights the functionality of nodemon as a utility for monitoring changes in code and automatically restarting applications.
The document discusses the principles and practices of code generation customization within IBM's Rhapsody software, emphasizing model-driven development and integration with various programming languages. It outlines lightweight and heavyweight customization techniques, including the use of properties and simplifiers to manage code generation effectively. Additionally, the document presents the Rules Composer as a tool for complete code generator replacement and customization.
This document summarizes a presentation on Multi Version Concurrency Control (MVCC) in PostgreSQL. It begins with definitions and history of MVCC, describing how it allows transactions to read and write without blocking each other. It then discusses two approaches to MVCC - storing old versions in the main database (PostgreSQL) vs a separate area (Oracle). The rest of the document does a deep dive on how MVCC is implemented in PostgreSQL specifically, showing how tuple headers track transaction IDs and pointers to maintain multiple versions of rows.
This document outlines an agenda to learn Nginx in 90 minutes through a series of exercises. It introduces Nginx as an HTTP and reverse proxy server, discusses setting up the environment using Docker, and provides 5 exercises to learn basic Nginx configurations including setting up a first web page, proxying to an Apache server, load balancing across multiple servers with CDN, adding HTTP basic authentication, and enabling HTTPS with basic authentication.
This document provides an overview and instructions for installing and configuring ProxySQL. It discusses:
1. What ProxySQL is and its functions like load balancing and query caching
2. How to install ProxySQL on CentOS and configure the /etc/proxysql.cnf file
3. How to set up the ProxySQL schema to define servers, users, variables and other settings needed for operation
4. How to test ProxySQL functions like server status changes and benchmark performance
How Netflix Tunes EC2 Instances for PerformanceBrendan Gregg
The document details Netflix's strategies for optimizing EC2 instances for performance, including instance selection, kernel tuning, and observability practices. It discusses methodologies for analyzing performance, managing instance types, and implementing best practices to enhance efficiency and reduce latency. The insights presented are backed by various performance tools and techniques utilized by Netflix's performance engineering team.
本文件探讨了Windows Server 2008的应用程序兼容性变化,包括用户账户控制、服务隔离、网络协议支持等多个方面。文件详细说明了新特性及其对旧应用程序的影响,提出了相应的解决方案与最佳实践,以确保兼容性和性能优化。部分功能如自定义GINA和防火墙API已不再支持,开发者需考虑升级应用以适应新的架构和功能。
1107 Windows server 2008 - IIS 7.0 架構與建置Timothy Chen
本文件讨论了 Windows Server 2008 和 IIS 7.0 的架构及构建技巧,包括必要的环境、增强的安全性、易管理性和全面的部署策略。提到的要点包括模块化架构、重设计的管理界面、增强的安全措施和高效的远程管理工具。文档还强调了利用 XML 文件管理设置和分享服务器配置的机制,旨在降低管理成本并提升工作效率。
Visual studio 2012 與 asp.net 4.5 (新功能與開發介紹) 第一天Gelis Wu
本文介绍了Visual Studio 2012及其支持的.NET框架的各项功能与改进,包括对多种操作系统的支持、新增特性及MVC模式的概念。重点讨论了不同版本的Visual Studio在开发效率、安全性和性能等方面的提升。文章还对MVC架构的职责及设计模式进行了详述,强调了关注点分离和易于扩展的优势。
Internet Explorer, developed by Microsoft, is a widely used web browser that evolved from Spyglass Mosaic. It features various capabilities to enhance user experience, including security measures against phishing and malware, along with support for web standards through its Trident engine. Despite its flaws, Internet Explorer maintained a significant market presence and offered numerous innovative features in its competition with Netscape.
IIS 7 provides a robust platform for hosting PHP applications on Windows, simplifying deployment and maintenance while enhancing performance and security. The integration of Microsoft and Zend technologies ensures optimized compatibility and performance of PHP applications. With features such as fastcgi, process isolation, and various management tools, IIS 7 greatly enhances the reliability and efficiency of PHP development on Windows.
.NET Core is designed for building a diverse range of applications including desktop, web, cloud, mobile, and IoT, with features like microservices for faster development and deployment. It supports enhanced performance and security through gRPC and improved development tools, while modern frameworks like Blazor enable full-stack web development using C#. The document also highlights .NET's flexibility for desktop applications with compatibility options and deployment strategies.
The document discusses Microsoft's .NET conference and platform. It highlights that .NET Core 2.0 has been released and is available for download. It promotes .NET as being able to build any application for any platform and develop with any programming language. It also emphasizes that .NET sees large growth in active developers and popularity. Additionally, it provides statistics on customer success with .NET and shows how .NET powers a variety of applications and services.
Microsoft Azure IoT 手把手實作 @ K.NET by Maduka (2017-8-12)Jeff Chu
The document provides links and resources related to the Maduka Azure IoT course, including device connectivity, storage, analytics, and various Azure services. It includes URLs for related tools like device explorer and service bus explorer, as well as guidelines for installing Windows 10 IoT Core and accessing project templates. Additionally, it mentions Microsoft's legal disclaimers regarding the information provided.
Innovations of .NET and Azure (Recaps of Build 2017 selected sessions)Jeff Chu
Samsung is adopting .NET due to its open-source nature, allowing for collaborative improvements alongside Microsoft. The document also discusses various Azure services like Azure Functions and databases, outlining their capabilities, scalability, and performance features. Additionally, it emphasizes the security and compliance standards Azure adheres to, including encryption and certifications.
Developing serverless applications with azure functionsJeff Chu
This document discusses developing serverless applications with Azure Functions. Azure Functions allow processing of events using small, isolated pieces of code called functions. Functions can be triggered by events from other Azure services and external sources. Functions are easy to develop, scale automatically, and only charge for the time spent processing events.
The document discusses new features in C# 7.0 including tuples, pattern matching, out variables, and more. It provides code examples demonstrating how to use tuples to return multiple values from functions, type patterns to match types in switch statements, and when conditions to add additional checks to case statements. The examples show enhanced control flow options in C# with these new features.
The document discusses containers and how they compare to virtual machines. It explains that containers provide operating system-level virtualization where the kernel is shared among containers, unlike virtual machines which virtualize hardware. This allows containers to have faster startup and be more resource efficient. The document then provides steps for setting up a container environment on Windows and details how to build, run, distribute, and update container images.
ASP.NET 5 快速入門 (Getting Started ASP.NET 5)Jeff Chu
ASP.NET 5 是 Microsoft 首個真正跨平台的 Web 開發框架,使用程式碼管理依賴和功能,無需依賴 IIS 和特定作業系統。它獲得了強大的模組化支持,並整合了前端框架如 gulp.js 和 bower.js,提高了開發效率。此框架消除了傳統的 web.config,並具備從初學者到專業開發者的全面工具支持。
This document discusses Microsoft Azure's support for Linux and Java workloads. It provides an overview of pre-built Linux virtual machine images on Azure including popular distributions like Oracle Linux and Windows Server. It also outlines options for deploying Java applications on Azure infrastructure services, platform services, and using common Java APIs and tools across deployment models. Customer quotes are provided praising Azure's scalability and cost benefits compared to on-premise Linux servers.
#34: Git Deployment is Native, or through a Service hook from CodePlex, GitHub or BitBucket
#35: Slide Objectives:Explain that Windows Azure Web Sites supports Classic ASP, ASP.NET, PHP, and Node.js out of the box and that you can also host any custom FastCGI handler.Notes:
#36: Git Deployment is Native, or through a Service hook from CodePlex, GitHub or BitBucket