vi /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver 8.8.8.8…
[前提]: win10下python3和python2共存环境,但是环境变量只配置了python3 [问题]: 用pip安装一个包执行pip2 install xxx的时候报错Fatal error in launcher: Unable to create process using '"' 执行pip3 install xxx的时候报同样的错误Fatal error in launcher: Unable to create process using '"' [解决]:pytho…
最近项目不忙了~~有开始专研的python大业,上来想用pip安装一个第三方的库,就一直报错: Could not fetch URL https://pypi.org/simple/xrld/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/xrld/ (Cause…
Could not fetch URL https://pypi.org/simple/pip/: There was a problem confirmingthe ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError(SSLError(1, u'[SSL: CERTIFICATE_VERIF…
URL url = new URL("https://i.cnblogs.com");URL url1 = new URL(url, "EditPosts.aspx?opt=1");System.out.println(url);//https://i.cnblogs.comSystem.out.println(url1);//https://i.cnblogs.com/EditPosts.aspx?opt=1System.out.println("URL…
在checkout项目时,出现如下错误: Error Unable to connect to a repository at URL 'https://XXXX' Error Access to 'https://XXXX ' forbidden 在网上找的方法清除本地缓冲(详见http://blog.sina.com.cn/s/blog_7139569d0101afdz.html) 按照网上说的清除本地缓冲后,再次checkout,问题还是没有解决 ???????? 最后问同事,问题确定…
起因 为了用VS2015 community中的NuGet获取Quartz,在[工具]-[NuGet包管理器]-[程序包管理器控制台]中执行 Install-Package Quartz. 却报如下错误: Update-Package : Unable to load the service index for source https://api.nuget.org/v3/index.json. 复制该网址到浏览器中,确实无法打开. 解决方法 经网上搜集资料,得知替换source即可.将原Nu…
1 本来cocopods没有问题,最近创建项目,利用cocopods导入第三方库的时候,出现如下错误: [!] Unable to add a source with url `https://github.com/CocoaPods/Specs.git` named `master`. You can try adding it manually in `~/.cocoapods/repos` or via `pod repo add`. 解决方案: pod repo add master…
问题描述 openstack安装过程中,执行 openstack domain create --description "Domain" example 报错如下: Failed to contact the endpoint at http://controller:35357/ for discovery. Fallback to using that endpoint as the base url. 问题解决 查看ln -s /usr/share/keystone/wsgi-…