大约有 47,000 项符合查询结果（耗时：0.0641秒） [XML]
How to split() a delimited string to a List
...
330
string.Split() returns an array - you can convert it to a list using ToList():
listStrLineEleme...
How do I resolve configuration errors with Nant 0.91?
After downloading Nant 0.91, I'm getting some rather cryptic configuration errors relating to configuration or security (see below).
...
Check if list contains any of another list
...
201
You could use a nested Any() for this check which is available on any Enumerable:
bool hasMatc...
Disable Maven warning message - “Selected war files include a WEB-INF/web.xml which will be ignored”
...
I got rid of this warning in maven 3.0.1 with the following build configuration (i believe perhaps web.xml is added to the project by other means, and should't be packaged by default):
<project>
...
<build>
<plugins>
...
Unique combination of all elements from two (or more) vectors
...aybe what you are after
> expand.grid(a,b)
Var1 Var2
1 ABC 2012-05-01
2 DEF 2012-05-01
3 GHI 2012-05-01
4 ABC 2012-05-02
5 DEF 2012-05-02
6 GHI 2012-05-02
7 ABC 2012-05-03
8 DEF 2012-05-03
9 GHI 2012-05-03
10 ABC 2012-05-04
11 DEF 2012-05-04
12 GHI 2012-05-04
13 AB...
Is there a ternary conditional operator in T-SQL?
...ase:
select *
from table
where isExternal = case @type when 2 then 1 else 0 end
share
|
improve this answer
|
follow
|
...
How do I break out of a loop in Perl?
...
answered Nov 19 '08 at 20:23
Zain RizviZain Rizvi
20.7k1717 gold badges7878 silver badges118118 bronze badges
...
express throws error as `body-parser deprecated undefined extended`
...
app.use(bodyParser.urlencoded({ extended: true }));
Since express 4.16.0, you can also do:
app.use(express.urlencoded({ extended: true }))
share
|
improve this answer
|
...
How do I convert a string to a double in Python?
...
>>> x = "2342.34"
>>> float(x)
2342.3400000000001
There you go. Use float (which behaves like and has the same precision as a C,C++, or Java double).
share
|
...
How can I reorder a list? [closed]
...
230
You can do it like this
mylist = ['a', 'b', 'c', 'd', 'e']
myorder = [3, 2, 0, 1, 4]
mylist = [...