大约有 44,000 项符合查询结果（耗时：0.0587秒） [XML]
R object identification
...
128
I usually start out with some combination of:
typeof(obj)
class(obj)
sapply(obj, class)
sappl...
Why is parenthesis in print voluntary in Python 2.7?
...
107
In Python 2.x print is actually a special statement and not a function*.
This is also why it ...
How do you convert a byte array to a hexadecimal string, and vice versa?
...
1
2
Next
1402
...
Postgres: INSERT if does not exist already
...
17 Answers
17
Active
...
Show percent % instead of counts in charts of categorical variables
...ous(labels = percent) ## version 3.0.0
This question is currently the #1 hit on google for 'ggplot count vs percentage histogram' so hopefully this helps distill all the information currently housed in comments on the accepted answer.
Remark: If hp is not set as a factor, ggplot returns:
...
How can I see the request headers made by curl when sending a request to the server?
...
14 Answers
14
Active
...
Check if pull needed in Git
...ps. This can be summarized in the following script:
#!/bin/sh
UPSTREAM=${1:-'@{u}'}
LOCAL=$(git rev-parse @)
REMOTE=$(git rev-parse "$UPSTREAM")
BASE=$(git merge-base @ "$UPSTREAM")
if [ $LOCAL = $REMOTE ]; then
echo "Up-to-date"
elif [ $LOCAL = $BASE ]; then
echo "Need to pull"
elif [ $R...
Format decimal for percentage values?
...
answered Nov 24 '09 at 15:56
Michael HarenMichael Haren
93.9k3939 gold badges157157 silver badges198198 bronze badges
...
E731 do not assign a lambda expression, use a def
... |
edited Mar 4 at 17:50
answered Jul 29 '14 at 7:31
...