大约有 40,000 项符合查询结果（耗时：0.0718秒） [XML]
How can I run a function from a script in command line?
... |
edited Sep 25 '17 at 20:27
that other guy
94.2k1010 gold badges111111 silver badges150150 bronze badges
...
pass string parameter in an onclick function
... |
edited Jan 23 '15 at 20:32
Vasil Lukach
3,24733 gold badges2626 silver badges3434 bronze badges
ans...
How do I change the title of the “back” button on a Navigation Bar
...
Wayne
55.3k1313 gold badges120120 silver badges118118 bronze badges
answered Sep 19 '09 at 19:58
JordanJordan
...
How to read a file line-by-line into a list?
... |
edited Jan 9 at 20:05
AMC
2,22966 gold badges1010 silver badges2828 bronze badges
answered Jul...
What is this 'Waiting for Background operation' in Visual Studio 2012?
Occassionaly, but fairly often, for no apparent reason, VS 2012 will lock up with a dialogue that says, "Waiting for a background operation to finish". E.g. this may happen during a plain old code edit, not on explicitly invoking any IDE command.
...
What is tail recursion?
...imization. However, while tail call optimization is part of the ECMAScript 2015 spec, most JavaScript interpreters don't support it.
share
|
improve this answer
|
follow
...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
...
|
edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jun 5 '09 at 19:11
...
What does “fragment” mean in ANTLR?
...cepted answer.
– Vesal
Dec 6 '18 at 20:56
add a comment
|
...
Using a ListAdapter to fill a LinearLayout inside a ScrollView layout
...w(item);
}
EDIT: I rejected this approach when I needed to display about 200 non-trivial list items, it is very slow - Nexus 4 needed about 2 seconds to display my "list", that was unacceptable. So I turned to Flo's approach with headers. It works much faster because list views are created on dema...
Check if the number is integer
....integer <- function(N){
!grepl("[^[:digit:]]", format(N, digits = 20, scientific = FALSE))
}
check.integer(3243)
#TRUE
check.integer(3243.34)
#FALSE
check.integer("sdfds")
#FALSE
This solution also allows for integers in scientific notation:
> check.integer(222e3)
[1] TRUE
...