大约有 47,000 项符合查询结果(耗时:0.0683秒) [XML]
How to check certificate name and alias in keystore files?
...
answered Oct 15 '12 at 11:08
Romain LinsolasRomain Linsolas
71.8k4545 gold badges193193 silver badges264264 bronze badges
...
Changing column names of a data frame
...d=1:3, worse=rnorm(3))
R> X
bad worse
1 1 -2.440467
2 2 1.320113
3 3 -0.306639
R> colnames(X) <- c("good", "better")
R> X
good better
1 1 -2.440467
2 2 1.320113
3 3 -0.306639
You can also subset:
R> colnames(X)[2] <- "superduper"
...
Setting “checked” for a checkbox with jQuery
...o reset the form
– mcgrailm
Mar 23 '11 at 15:27
6
...
Repeat Character N Times
...n simply write:
"a".repeat(10)
Before repeat, we used this hack:
Array(11).join("a") // create string with 10 a's: "aaaaaaaaaa"
(Note that an array of length 11 gets you only 10 "a"s, since Array.join puts the argument between the array elements.)
Simon also points out that according to this ...
Using Rails 3.1, where do you put your “page specific” JavaScript code?
...
answered Aug 11 '11 at 21:25
meleyalmeleyal
27.1k2222 gold badges6767 silver badges7676 bronze badges
...
Check if a temporary table exists and delete if it exists before creating a temporary table
...
pmac72pmac72
7,87411 gold badge1313 silver badges77 bronze badges
...
Is type=“text/css” necessary in a tag?
...
answered Mar 23 '11 at 17:20
Tom GullenTom Gullen
53.2k7474 gold badges262262 silver badges424424 bronze badges
...
How do I specify different Layouts in the ASP.NET MVC 3 razor ViewStart file?
...
|
edited Mar 1 '11 at 23:05
answered Mar 1 '11 at 22:51
...
Edit the root commit in Git?
...
ParaBolt
80311 gold badge66 silver badges1515 bronze badges
answered Jan 31 '13 at 16:24
ecdpalmaecdpalma
...
How does _gaq.push(['_trackPageLoadTime']) work?
...
Edit: As of November 16th 2011, the _trackPageLoadTime function has been deprecated and its functionality has been set as a default setting. (Functionally speaking, it has gone from being an opt-in feature to being an opt-out feature.)
_setSiteSpeedSam...