scrapy xxcommand:输出xxcommand的相关信息 help:scrapy的基本命令,用于查看帮助信息 version:查看版本信息,可见-V参数查看各组件的版本信息: startproject用于新建一个工程 genspider:在工程中产生一个spider,可产生多个spider,不同的spider要求name不同. list:此工程中都有哪些spider view:查看页面源码在浏览器中显示的样子 会儿在浏览器中自动打开sina的首页,但是偶尔测试别的网址的时候,有打不开的…

一起啃PRML - 1 Introduction @copyright 转载请注明出处 http://www.cnblogs.com/chxer/ 这一部分主要是介绍一下Pattern Recognition 和 Machine Learning. 上来就是 Recognising handwritten digits, MNIST...在一本书的Introduction里看见MNIST真是伤心的一件事. 每一个图片28*28 pixel,按照老方法放到vector里,784. 那么 Patte…

声明:本博客整理自博友@zhouyong计算广告与机器学习-技术共享平台,尊重原创,欢迎感兴趣的博友查看原文. 写在前面 记得在<Pattern Recognition And Machine Learning>一书中的开头有讲到:“概率论.决策论.信息论3个重要工具贯穿着<PRML>整本书,虽然看起来令人生畏…”.确实如此,其实这3大理论在机器学习的每一种技法中,或多或少都会出现其身影(不局限在概率模型). <PRML>书中原话:”This chapter also…

原文链接: https://github.com/dypsilon/frontend-dev-bookmarks Frontend Development Looking for something else? Take a look at the awesome collection of other awesome lists. Guides Bento: a collection of guides for web development. Hack Design: An easy to…

Python for Data Analysis, 2nd Edition https://www.safaribooksonline.com/library/view/python-for-data/9781491957653/ Get complete instructions for manipulating, processing, cleaning, and crunching datasets in Python. Updated for Python 3.6, the second…

废话不说,先看图吧: 1. ROS in 5 Days Entering ROS 2. ROS Navigation in 5 Days Mastering ROS 3. ROS AutonomousVehicles 101 Introduction to Autonomous Vehicles in the ROS ecosystem 4. OpenAI Gym for Robotics 101 Learn what is needed to be able to use OpenAI-Gym…

从几个月前的14.10 daily 版本就有U盘刻录无法启动的现象,相关bug可参见:         https://bugs.launchpad.net/ubunt ... reator/+bug/1325801        系统镜像本身没有任何问题,刻录光盘.dd到U盘启动都是正常的.此问题是由于ubuntu使用了最新的syslinux版本,而大多U盘刻录软件还未支持最新的syslinux版本导致u盘无法启动,现在ubuntu系统自带及部分刻录工具是已经支持最新ubuntu14.10的U…

AlexNet / VGG-F network visualized by mNeuron. Project 6: Deep LearningIntroduction to Computer Vision Brief Due date: Tuesday, December 6th, 11:55pm Project materials including starter code, training and testing data, and html writeup template: proj…

Introduction The problem of searching for patterns in data is a fundamental one and has a long and successful history. For instance, the extensive astronomical observations of Tycho Brahe in the 16th century allowed Johannes Kepler to discover the em…

JWT介绍 JWT (JSON Web Token) 是一种规范.这个规范允许我们使用JWT在用户和服务器之间安全传递信息. JWT的组成: jwt分3个部分,Header 头部.Payload 载荷.Signature 签名, 用 dot(.) 点分开一般像下面这个样子:xxxx.yyyy.zzzz Header: 一般表示算法和类型 { "alg": "HS256", "typ": "JWT" } JSON一般都会经过Ba…

dashDB - Introduction dashDB is a database that is designed for performance and scale. It offers seamless compatibility with a wide range of tools. OLAP: dashDB local and the dashDB managed service analytics plans include features such as in-memory d…

项目组用到了 Node.js,发现下面这篇文章不错.转发一下.原文地址:<原文>. ------------------------------------------- A chatroom for all! Part 1 - Introduction to Node.js Rami Sayar 4 Sep 2014 11:00 AM 7 This node.js tutorial series will help you build a node.js powered real-time…

今天开始会和大熊君{{bb}}一起着手翻译node的系列外文书籍,大熊负责翻译<Node.js IN ACTION>一书,而我暂时负责翻译这本<Hands-on Node.js>(下载),为方便理解不采用直译的方式,若有翻译不当的地方还请不吝赐教,我会及时堪正. 引言 在09年欧洲JSConf大会上,一位叫做Ryan Dahl的年轻程序员介绍了一项他所负责的项目.该项目结合了谷歌V8 Javascript引擎以及event loop机制,从而可以使用JS来创建服务端平台.该项目跟其…

The author has a course on web: http://brickisland.net/DDGSpring2016/ It has more reading assignments and sliders which are good for you to understand ddg. ------------------------------------------------------------- DISCRETE DIFFERENTIAL GEOMETRY :…

Final Version 1.1 Date Issued:            13 March 2012 Latest version:         http://www.imsglobal.org/lti/ IPR and Distribution Notices Recipients of this document are requested to submit, with their comments, notification of any relevant patent c…

Learning about REST An Abstract Example Why Should You Care about REST? WCF and REST WebGetAttribute and WebInvokeAttribute UriTemplate and UriTemplateTable WebHttpBinding and WebHttpBehavior WebServiceHost and WebServiceHostFactory Using the Example…

Introduction Microsoft Visual Studio 2012 provides a new set of tools for developing apps for Office and apps for SharePoint, as well as SharePoint farm and sandboxed solutions. By using these tools, developers can easily leverage the familiar Visual…

本文转自:http://www.c-sharpcorner.com/UploadFile/g_arora/getting-started-with-node-js-tools-for-visual-studio/ Table of contents 1. Introduction 2. What Node.JS is 3. How to install Node.JS 4. Let's Start by Creation of a Simple App Pre-requites Create S…

Brief introduction to Scala and Breeze for statistical computing 时间 2013-12-31 03:17:19  Darren Wilkinson's research blog 原文  http://darrenjw.wordpress.com/2013/12/30/brief-introduction-to-scala-and-breeze-for-statistical-computing/ 主题 Scala Introduc…

///:~容我对这个系列美其名曰"读书笔记",其实shi在练习英文哈:-) Introduction to Objects Object-oriented programming(OOP) is part of this movement toward using the computer as an expressive medium. This chapter will introduce you to the basic concepts of OOP, including an…

<Windows 8应用开发权威指南>介绍 Introduction to Windows 8: The Definitive Guide for Developer 一.封面设计要求及文字  中文书名:Windows 8应用开发权威指南 英文书名:Windows 8: The Definitive Guide for Developer I. Cover design requirements and characters Book name in Chinese: Windows 8应用开…

It seems almost every other week there is a new JavaScript library taking the web community by storm! The web community is increasingly vibrant, diverse and is moving rapidly on multiple fronts. It would be an impossible feat to survey every major Ja…

1, http://www.asp.net/web-pages/overview/getting-started/introducing-razor-syntax-c 2, Introduction to ASP.NET Web Programming Using the Razor Syntax (C#)   By          Tom FitzMackenTom FitzMacken|February 7, 2014 1751 of 1904 people found this help…

                                                                              Internet Engineering Task Force (IETF) D. Hardt, Ed. Request for Comments: 6749 Microsoft Obsoletes: 5849 October 2012 Category: Standards Track ISSN: 2070-1721 The OAuth 2…

DAEMON Tools Lite 是什么?它不仅仅是虚拟光驱.是的,你可以使用它制作.加载光盘映像,但是 DAEMON Tools 产品那么多,Lite版与其他版本究竟有什么不同呢?或者说,是什么让 Lite 版这么流行?DAEMON Tools Lite 开发人员把用户的需求放在开发首位,我们可以看到 DAEMON Tools Lite 有以下功能: 支持创建.保存和加载您的CD.DVD.蓝光光盘映像等: 支持 RMPS.SafeDisc.SecuROM 和 LaserLock,现在你可以轻…

原文链接:http://aadrake.com/command-line-tools-can-be-235x-faster-than-your-hadoop-cluster.html Introduction As I was browsing the web and catching up on some sites I visit periodically, I found a cool article from Tom Haydenabout using Amazon Elastic Ma…

Introduction to Gaussian Processes Gaussian processes (GP) are a cornerstone of modern machine learning. They are often used for non-parametric regression and classification, and are extended from the theory behind Gaussian distributions and Gaussian…

Popular Deep Learning Tools – a review Deep Learning is the hottest trend now in AI and Machine Learning. We review the popular software for Deep Learning, including Caffe, Cuda-convnet, Deeplearning4j, Pylearn2, Theano, and Torch.  comments By Ran B…

原文:[.Net Tools] 超强大的封装工具Advanced Installer 日前在网路上晃到这家公司的产品http://www.advancedinstaller.com/,就直接下载并且安装来玩玩看了,样版看起来很多,其中有些安装范本令人惊艳,比如SharePoint Solution .Mixed 32/64 Package.Client/Server Application 也有完整的线上文件:http://www.advancedinstaller.com/user-guide…

これはKanColleViewerためのプラグインです,KanColleViewerの機能を拡張する. #介绍 / Introduction / 紹介这是一个KanColleViewer(俗称”提督很忙”)用的插件(Plugin),用于增强KanColleViewer的功能.This is a plugin for KanColleViewer to enhance the function of it.これはKanColleViewerためのプラグインです,KanColleViewerの機能を…