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CSS3滚动条美化效果 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...位置(比如，垂直滚动条的下面和水平滚动条的右边。)
:start – start伪类也应用于按钮和滑块。它用来定义对象是否放到滑块的前面。
:end – 类似于start伪类，标识对象是否放到滑块的后面。
:double-button – 该伪类以用...
gdb打印c++ std::vector元素内容 - C/C++ - 清泛网 - 专注C/C++及内核技术
...查看vector元素内容，不限gcc版本：
(gdb) p *(vec._M_impl._M_start)@3
$1 = {5, 2, 0}
(gdb) p *(vec._M_impl._M_start+0)
$2 = 5
(gdb) p *(vec._M_impl._M_start+1)
$3 = 2
vector的大小貌似只能尝试指定，不能动态计算。gdb vector
App Inventor 2 控制代码块 · App Inventor 2 中文网
...another screen）
打开另一屏幕并传值（open another screen with start value）
获取初始文本值（get plain start text）
获取初始值（get start value）
关闭屏幕（close screen）
关闭屏幕并返回文本（close screen with plain text）
关闭屏幕并返回...
Checkout another branch when there are uncommitted changes on the current branch
...
Preliminary notes
The observation here is that, after you start working in branch1 (forgetting or not realizing that it would be good to switch to a different branch branch2 first), you run:
git checkout branch2
Sometimes Git says "OK, you're on branch2 now!" Sometimes, Git says...
How Python web frameworks, WSGI and CGI fit together
...separate daemon (or "long-running process"), using the WSGI protocol. You start your long-running Django process, then you configure Apache's mod_fastcgi to communicate with this process.
Note that mod_wsgi can work in either mode: embedded or daemon.
When you read up on mod_fastcgi, you'll see ...
Save Screen (program) output to a file
... press of h for a hardcopy. ctrl-a followed by a separate press of shift-h starts a complete log file.
– James
Mar 27 '18 at 9:47
1
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How can I find the first occurrence of a sub-string in a python string?
...e the same benchmark results.
s.find(t) #returns: -1, or index where t starts in s
s.index(t) #returns: Same as find, but raises ValueError if t is not in s
Additional knowledge: rfind and rindex:
In general, find and index return the smallest index where the passed-in string starts, an...
How do I tell Matplotlib to create a second (new) plot, then later plot on the old one?
...t(x, w)
Edit: Note that you can number the plots however you want (here, starting from 0) but if you don't provide figure with a number at all when you create a new one, the automatic numbering will start at 1 ("Matlab Style" according to the docs).
...
Remove a prefix from a string [duplicate]
... know about "standard way".
def remove_prefix(text, prefix):
if text.startswith(prefix):
return text[len(prefix):]
return text # or whatever
As noted by @Boris and @Stefan, on Python 3.9+ you can use
text.removeprefix(prefix)
with the same behavior.
...
Merge cells using EPPlus?
...public static void Merge(this ExcelRangeBase range)
{
ExcelCellAddress start = range.Start;
ExcelCellAddress end = range.End;
range.Worksheet.Cells[start.Row, start.Column, end.Row, end.Column].Merge = true;
}
You can use this as you would via interop:
range.Merge();
...