大约有 44,600 项符合查询结果（耗时：0.0453秒） [XML]
With bash, how can I pipe standard error into another process?
...
172
There is also process substitution. Which makes a process substitute for a file.
You can send s...
How to convert a scala.List to a java.util.List?
... first have to convert the Scala List into a mutable collection.
On Scala 2.7:
import scala.collection.jcl.Conversions.unconvertList
import scala.collection.jcl.ArrayList
unconvertList(new ArrayList ++ List(1,2,3))
From Scala 2.8 onwards:
import scala.collection.JavaConversions._
import scala.c...
JavaScript displaying a float to 2 decimal places
I wanted to display a number to 2 decimal places.
10 Answers
10
...
How to profile a bash shell script slow startup?
...
132
If you have GNU date (or another version that can output nanoseconds), do this at the beginning ...
Count number of occurences for each unique value
...
182
Perhaps table is what you are after?
dummyData = rep(c(1,2, 2, 2), 25)
table(dummyData)
# dumm...
How to attach javadoc or sources to jars in libs folder?
...
12 Answers
12
Active
...
Regular expressions in C: examples?
...
238
Regular expressions actually aren't part of ANSI C. It sounds like you might be talking about ...
What would cause an algorithm to have O(log log n) complexity?
...
2 Answers
2
Active
...
The difference between bracket [ ] and double bracket [[ ]] for accessing the elements of a list or
...
12 Answers
12
Active
...