使用pip3 install scrapy命令之后,会出现如下问题: Collecting scrapy Downloading Scrapy-1.4.0-py2.py3-none-any.whl (248kB) 100% |████████████████████████████████| 256kB 1.2MB/s Collecting PyDispatcher>=2.0.5 (from scrapy) Downloading PyDispatcher-2.0.5.tar.gz Collec…

Creative Cloud 2018 – Adobe CC 2018 Download Links – ALL Languages Adobe CC 2018Direct Downloads Windows Mac OS Size Installer Size Installer * = To access these installers, please first follow the download instructions here. CC subscribers can also…

在虚拟环境中安装drf-haystack时,pip报错 Liang-2:~ langying$ pip install django-haystack Collecting django-haystack Using cached https://files.pythonhosted.org/packages/69/43/3e247b7b2134b48e9a53fb387e191e5e05b5f38f2faf78ca892097c2b441/django-haystack-2.8.1.tar.g…

证书原因: wget http://curl.haxx.se/ca/cacert.pem mv cacert.pem ca-bundle.crt sudo mkdir -p /etc/pki/tls/certs/ sudo cp ca-bundle.crt /etc/pki/tls/certs/…

https://www.quora.com/What-is-the-best-way-to-download-YouTube-videos-for-free There are various methods to download YouTube video for free. How To Download Youtube Videos Without any software Open YouTube from your mobile browser and open the video…

原文地址 https://github.com/noraesae/perfect-scrollbar perfect-scrollbar Tiny but perfect jQuery scrollbar plugin Why perfect-scrollbar? I worked on a personal project recently, and I was trying to find the jQuery scrollbar plugin that's perfect. But the…

我相信作为编程初学者,我们都希望有好用的编程软件.这里"好用"应该至少要满足两点:1.安装简单,2.使用方便.大神移驾,对工具有特殊偏好跳过,从来不用Windows的止步.本文不做任何"推销活动",诸君自行决断. 前传 记得刚学C++时,用的是老师给的一个VC6.0的安装光盘镜像.后来发现了一个番茄插件(Visual Assist X),用的很爽.随后又发现,每次系统重装(或者还原)后番茄就不能用了,不得不重新装一遍VC6.装了多次VC6.0(那时也经常帮同学装)发…

转载自http://blog.sina.com.cn/s/blog_710225790102w03e.html Autodesk 2017安装步骤: 安装Autodesk 2017相关软件 使用序列号666-69696969, 667-98989898, 400-45454545 066-66666666 在Product KEY.txt里面找到对应软件的密钥 完成安装,重启软件,断网,他会提示需要网络连接,点击关闭,然后点击再次激活 选择我有Autodesk的激活码(I have an act…

转载于: https://my.oschina.net/leejun2005/blog/398826 在批评Python的讨论中,常常说起Python多线程是多么的难用.还有人对 global interpreter lock(也被亲切的称为"GIL")指指点点,说它阻碍了Python的多线程程序同时运行.因此,如果你是从其他语言(比如C++或Java)转过来的话,Python线程模块并不会像你想象的那样去运行.必须要说明的是,我们还是可以用Python写出能并发或并行的代码,并且能带…

Welcome to Microsoft Marketing Speak hell. With the 2012 release of SQL Server, the BIDS, Business Intelligence Designer Studio, plugin for Visual Studio was renamed to SSDT, SQL Server Data Tools. SSDT is available for 2010 and 2012. The problem is,…