大约有 43,200 项符合查询结果（耗时：0.0406秒） [XML]
'float' vs. 'double' precision
...
146
Floating point numbers in C use IEEE 754 encoding.
This type of encoding uses a sign, a signi...
Remove an entire column from a data.frame in R
...
421
You can set it to NULL.
> Data$genome <- NULL
> head(Data)
chr region
1 chr1 CDS...
Accessing bash command line args $@ vs $*
... parameters are quoted. Let me illustrate the differences:
$ set -- "arg 1" "arg 2" "arg 3"
$ for word in $*; do echo "$word"; done
arg
1
arg
2
arg
3
$ for word in $@; do echo "$word"; done
arg
1
arg
2
arg
3
$ for word in "$*"; do echo "$word"; done
arg 1 arg 2 arg 3
$ for word in "$@"; d...
git diff between cloned and original remote repository
...
161
1) Add any remote repositories you want to compare:
git remote add foobar git://github.com/us...
Generate sql insert script from excel worksheet
...
13 Answers
13
Active
...
Getting an empty JQuery object
...ates an empty jQuery-object:
$([])
Update:
In newer versions of jQuery (1.4+), you can use:
$()
share
|
improve this answer
|
follow
|
...
Make outer div be automatically the same height as its floating content
...
169
You can set the outerdiv's CSS to this
#outerdiv {
overflow: hidden; /* make sure this do...