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How to enter in a Docker container already running with a new TTY
...sion. I'm sure docker exec -it will eventually provide a fully-functional pseudo tty, but for now (Docker version 1.9.1), there are some shortcomings : github.com/docker/docker/issues/8755
– blong
Jan 5 '16 at 3:11
...
How do you count the lines of code in a Visual Studio solution?
...ng more formal should be required.
From a smallish solution's directory:
PS C:\Path> (gci -include *.cs,*.xaml -recurse | select-string .).Count
8396
PS C:\Path>
That will count the non-blank lines in all the solution's .cs and .xaml files. For a larger project, I just used a different ex...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... }
}
?>
注意：为了让代码潮一点，用了一些PHP5.3以上版本才有的特性，可以改写成低版本。
如果使用CURL方式发送请求的话，最好发送一个空的Expect头，否则如果POST数据大于1K，CURL会自作主张发送Expect:100-continue头，对多数W...
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...1000）。LINGO模型窗口中将LINGO关键此显示为兰色，注释为绿色，其他为黑色，超过该行数限制后则不再区分颜色。特别地，设置行数限制为0时，整个文件不再区分颜色。
Delay （延迟）
设置语法配色的延迟时间（...
PowerShell: Setting an environment variable for a single command only
... Keith, we have a push-environmentblock and pop-environmentblock in Pscx for exactly this scenario ;-)
– x0n
Sep 14 '09 at 16:25
2
...
C++特化模板函数的符号多重定义错误问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...为了能进行字符串比较，你需要一个使用 strcmp 或其 TCHAR 版本 _tcscmp 的模板特化：
// specialization for strings
template<>
int compare<LPCTSTR>(LPCTSTR s1, LPCTSTR s2)
{
return _tcscmp(s1, s2);
}
没错，这样做完全正确，现在的问题是：将这个...
pandas three-way joining multiple dataframes on columns
... I'd put them in a list like this (generated via list comprehensions or loops or whatnot):
dfs = [df0, df1, df2, dfN]
Assuming they have some common column, like name in your example, I'd do the following:
df_final = reduce(lambda left,right: pd.merge(left,right,on='name'), dfs)
That way, your...
How to get all subsets of a set? (powerset)
...h is the power set of A."""
length = len(A)
l = [a for a in A]
ps = set()
for i in range(2 ** length):
selector = f'{i:0{length}b}'
subset = {l[j] for j, bit in enumerate(selector) if bit == '1'}
ps.add(frozenset(subset))
return ps
If you want exactly ...
LEFT OUTER JOIN in LINQ
... in categories
join p in products on c.Category equals p.Category into ps
from p in ps.DefaultIfEmpty()
select new { Category = c, ProductName = p == null ? "(No products)" : p.ProductName };
share
|
...
Using “like” wildcard in prepared statement
..., "!%")
.replace("_", "!_")
.replace("[", "![");
PreparedStatement pstmt = con.prepareStatement(
"SELECT * FROM analysis WHERE notes LIKE ? ESCAPE '!'");
pstmt.setString(1, notes + "%");
or a suffix-match:
pstmt.setString(1, "%" + notes);
or a global match:
pstmt.setString(1, "...