小编fra*_*ale的帖子

我想用来aria-expanded="true"像活动类一样更改css属性:

<li class="active">
   <a href="#3a" class="btn btn-default btn-lg" data-toggle="tab" aria-expanded="true"> 
       <span class="network-name">Google+</span>
   </a>
</li>

我想要<a>,background-color: #42DCA3但只有当aria-expanded="true".

我正在尝试安装该包：cloud_firestore并且在安装依赖项时运行 pod install 时收到错误BoringSSL-GRPC。
\n我是否可以以另一种方式安装依赖项并引用它/是否还有我遗漏的另一个问题。预先感谢任何可以提供帮助的人！

    Downloading dependencies\n\n    -> Installing BoringSSL-GRPC (0.0.3)\n     > Git download\n     > Git download\n         $ /usr/bin/git clone https://github.com/google/boringssl.git /var/folders/2g/mfqr5f5148nd_w6g9f1g72p80000gn/T/d20200505-3960-17lhqyp --template=\n\n    [!] Error installing BoringSSL-GRPC\n    [!] /usr/bin/git clone https://github.com/google/boringssl.git /var/folders/2g/mfqr5f5148nd_w6g9f1g72p80000gn/T/d20200505-3960-17lhqyp --template=\n\n    Cloning into \'/var/folders/2g/mfqr5f5148nd_w6g9f1g72p80000gn/T/d20200505-3960-17lhqyp\'...\n    error: RPC failed; curl 18 transfer closed with outstanding read data remaining\n    fatal: the remote end hung up unexpectedly\n    fatal: early EOF\n    fatal: index-pack failed\n\n    /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/downloader.rb:142:in `rescue in execute_command\'\n    /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.9.1/lib/cocoapods/downloader.rb:139:in `execute_command\'\n    /Library/Ruby/Gems/2.6.0/gems/cocoapods-downloader-1.3.0/lib/cocoapods-downloader/base.rb:154:in `block in executable\'\n    /Library/Ruby/Gems/2.6.0/gems/cocoapods-downloader-1.3.0/lib/cocoapods-downloader/git.rb:79:in `block in clone\'\n …

在程序中使用用户身份验证代理的最佳/最简单方法是什么？我目前有这个,但我需要在浏览器打开时填写用户名和密码.

from selenium import webdriver
PROXY = "123.123.123.243:80"

chrome_options = webdriver.ChromeOptions()
chrome_options.add_argument("--proxy-server=http://{}".format(PROXY))

print(chrome_options.arguments)
chrome = webdriver.Chrome(executable_path="drivers/chromedriver",chrome_options=chrome_options)
chrome.get("https://www.ipinfo.io")

我目前有一个手风琴,由检查和未选中的单选按钮完成.当页面加载时,所有内容都会崩溃,但是在最初打开它之后我无法实现这一点.我希望能够再次完全折叠手风琴. https://codepen.io/anon/pen/WMdQdv

input[type=radio] + label::after {
 content: "\25BC";
 }