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css中使用变量，:root伪元素的使用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...不会应用于全局
:root {
--theme-color: red;
}
@media screen and (max-width: 500px) {
:root {
--theme-color: blue;
}
}
.login-page {
color: var(--theme-color);
}
</style>
总结
善用css变量可以提高效率，让我们继续努力，掌握更多新鲜的知识。
cs...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注C++内核技术
...
-p PID enable USDT probes on PID
-c 'CMD' run CMD and enable USDT probes on resulting process
--unsafe allow unsafe builtin functions
-v verbose messages
--info Print information about kernel BPF support
-V, --version bpftrace v...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网移动版 - 专注C++内核技术
...
-p PID enable USDT probes on PID
-c 'CMD' run CMD and enable USDT probes on resulting process
--unsafe allow unsafe builtin functions
-v verbose messages
--info Print information about kernel BPF support
-V, --version bpftrace v...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注C++内核技术
...
-p PID enable USDT probes on PID
-c 'CMD' run CMD and enable USDT probes on resulting process
--unsafe allow unsafe builtin functions
-v verbose messages
--info Print information about kernel BPF support
-V, --version bpftrace v...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网移动版 - 专注C++内核技术
...
-p PID enable USDT probes on PID
-c 'CMD' run CMD and enable USDT probes on resulting process
--unsafe allow unsafe builtin functions
-v verbose messages
--info Print information about kernel BPF support
-V, --version bpftrace v...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...
-p PID enable USDT probes on PID
-c 'CMD' run CMD and enable USDT probes on resulting process
--unsafe allow unsafe builtin functions
-v verbose messages
--info Print information about kernel BPF support
-V, --version bpftrace v...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网移动版 - 专注C/C++及内核技术
...
-p PID enable USDT probes on PID
-c 'CMD' run CMD and enable USDT probes on resulting process
--unsafe allow unsafe builtin functions
-v verbose messages
--info Print information about kernel BPF support
-V, --version bpftrace v...
OpenSuSE 安装bpftrace - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...
-p PID enable USDT probes on PID
-c 'CMD' run CMD and enable USDT probes on resulting process
--unsafe allow unsafe builtin functions
-v verbose messages
--info Print information about kernel BPF support
-V, --version bpftrace v...
Get current time in milliseconds in Python?
...
IMO I'd use floor and not round, but that's just me. If someone asks what the hour is, and it's 7:32, the number they probably want is 7, not 8.
– davr
Sep 9 '13 at 20:37
...
Regex: ignore case sensitivity
...as my original answer presumed), then you have two options:
Use the (?i) and [optionally] (?-i) mode modifiers:
(?i)G[a-b](?-i).*
Put all the variations (i.e. lowercase and uppercase) in the regex - useful if mode modifiers are not supported:
[gG][a-bA-B].*
One last note: if you're dealing w...