大约有 3,200 项符合查询结果（耗时：0.0230秒） [XML]
How can I specify a branch/tag when adding a Git submodule?
...] && \
git checkout master || git switch $branch' –
umläute refines dtmland's command with a simplified version in the comments:
git submodule foreach -q --recursive 'git switch $(git config -f $toplevel/.gitmodules submodule.$name.branch || echo master)'
multiple lines:
git su...
How do I correctly clone a JavaScript object?
... edited Jul 12 '19 at 13:45
buræquete
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answered Mar 2 '11 at 6:36
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How can I strip the whitespace from Pandas DataFrame headers?
...
If you use CSV format to export from Excel and read as Pandas DataFrame, you can specify:
skipinitialspace=True
when calling pd.read_csv.
From the documentation:
skipinitialspace : bool, default False
Skip spaces after delimite...
Python, remove all non-alphabet chars from string
... Note that this will also remove accented letters: ãâàáéèçõ, etc.
– AlmostPitt
Jun 15 at 9:20
add a comment
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Split delimited strings in a column and insert as new rows [duplicate]
... R. It assumes we're starting with a data.frame named "mydf". It uses read.csv to read in the second column as a separate data.frame, which we combine with the first column from your source data. Finally, you use reshape to convert the data into a long form.
temp <- data.frame(Ind = mydf$V1,
...
iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...，否则升级后坏死，得重装。升级采用自己下载Combo升级文件（如MacOSXUpdCombo10.6.7.dmg）；（4）升级完成，再用darwin_snow_legacy.iso已无法引导系统，换成Rebel EFI.iso。至此大概完成Mac OSX系统的安装。下面是要用到的各种文件，此处不...
菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...nu->GetSubMenu(0);//获得子菜单（如果有）0表示索引，对应“文件”菜单
for(int i=0;i<3;i++)
{
CBitmap bmp;
bmp.LoadBitmap(IDB_BITMAP1+i);
pSubMenu->SetMenuItemBitmaps(i,MF_BYPOSITION,&bmp,&bmp);
bmp.Detach();
}
CBitmap bmp;
CBrush m_BKBrush;
bmp.Load...
Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术
...数字可以被解释成不同的符
号. 因此, 要想打开一个文本文件, 就必须知道它的编码方式, 否则用错误的编码方式解
读, 就会出现乱码. 为什么电子邮件常常出现乱码?就是因为发信人和收信人使用的编码
方式不一样.
可以想象...
Export specific rows from a PostgreSQL table as INSERT SQL script
...
COPY (SELECT * FROM nyummy.cimory WHERE city = 'tokio') TO '/path/to/file.csv';
Import the same to another table of the same structure anywhere with:
COPY other_tbl FROM '/path/to/file.csv';
COPY writes and read files local to the server, unlike client programs like pg_dump or psql which read ...
开源邮件传输代理软件 -- Postfix 介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...ix。Postfix支持/var[/spool]/mail、/etc/aliases、 NIS、和 ~/.forward 文件。
4. 更健壮：
postfix被设计成在重负荷之下仍然可以正常工作。当系统运行超出了可用的内存或磁盘空间时，postfix会自动减少运行进程的数目。当处理的邮件数目...