大约有 48,000 项符合查询结果（耗时：0.0642秒） [XML]
In R, how to get an object's name after it is sent to a function?
...
The old deparse-substitute trick:
a<-data.frame(x=1:10,y=1:10)
test<-function(z){
mean.x<-mean(z$x)
nm <-deparse(substitute(z))
print(nm)
return(mean.x)}
test(a)
#[1] "a" ... this is the side-effect of the print() call
# ... you could have don...
When is a function too long? [closed]
35 lines, 55 lines, 100 lines, 300 lines? When you should start to break it apart? I'm asking because I have a function with 60 lines (including comments) and was thinking about breaking it apart.
...
How to make an Android Spinner with initial text “Select One”?
...
answered Aug 6 '10 at 19:25
emmbyemmby
93.7k6363 gold badges176176 silver badges240240 bronze badges
...
There is no ViewData item of type 'IEnumerable' that has the key 'xxx'
...
10 Answers
10
Active
...
Pretty graphs and charts in Python [closed]
...
Tundebabzy
68722 gold badges1010 silver badges2222 bronze badges
answered Sep 16 '08 at 21:43
RodrigoRodrigo
...
git add all except ignoring files in .gitignore file
...owLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
Android - Writing a custom (compound) component
...
101
Use merge tag as your XML root
<merge xmlns:android="http://schemas.android.com/apk/res/an...
CocoaPods - use specific pod version
...
answered May 26 '13 at 10:25
MarcelMarcel
5,40211 gold badge2424 silver badges3939 bronze badges
...
How to fix Error: “Could not find schema information for the attribute/element” by creating schema
I have a windows forms application written in VS2010 with C# and get the following errors in the app.config file:
10 Answ...
List of ANSI color escape sequences
...acters legible, but marked for deletion. Not widely supported. ║
║ 10 ║ Primary(default) font ║ ║
║ 11–19 ║ Alternate font ║ Select alternate font `n-10` ...