由于经常重装系统，每次配置一些开发过程中所必须的工具都要耗费一点时间。

本文就记录一下安装一些工具时候必备的一些步骤，方便日后的查阅。

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数学知识在金融风险(FRM, Financial Risk Management)的计算中扮演着举足轻重的角色，一切的理论推演最终都以数学公式的形式展现出来。本文简单介绍一下会涉及到的数学基础知识。

从 Investopedia 摘抄的定义:

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ASP.NET core has been ready for quite a while, along with it's cross platform nature we can make apps for non-windows system totally, such as macOS and Linux. This article will show how we can make things up in Ubuntu from scratch.

Before we make progress, we need a Ubuntu LTS machine which you have root privilege. In this article, I will create a new droplet in DigitalOcean, that's Ubuntu 16.04. Also, we need to add a new DNS record A to your domain to point to that server, this is a must for Caddy server.

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Last whole week, I was busying fixing a very strange bug which has been exists since the day our project started.

We have a Microsoft Azure Cloud Service worker role served as our mobile game server which is running 24/7, and the client side is located at customers' mobile phone, usually Windows Phone and Android.

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一直以来我都没能完全理解操作系统是如何处理 I/O 这些操作的，这些操作也是容易浪费资源以及WPF等桌面应用程序响应不及时的根源之一。今天早上，读到了《CLR via C#》中关于这一主题的章节，让我茅塞顿开。

假设有一台装了 Windows 的PC，有一个硬盘连接着系统。

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