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Order data frame rows according to vector with specific order
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Try match:
df <- data.frame(name=letters[1:4], value=c(rep(TRUE, 2), rep(FALSE, 2)))
target <- c("b", "c", "a", "d")
df[match(target, df$name),]
name value
2 b TRUE
3 c FALSE
1 a TRUE
4 d FALSE
It will work as long as your target contains exact...
Scroll back to the top of scrollable div
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15 Answers
15
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How to programmatically disable page scrolling with jQuery
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137
The only way I've found to do this is similar to what you described:
Grab current scroll pos...
how to avoid a new line with p tag?
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174
Use the display: inline CSS property.
Ideal: In the stylesheet:
#container p { display: inli...
What should main() return in C and C++?
...() — and why? And how about the arguments?
If int main() then return 1 or return 0 ?
17 Answers
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nginx missing sites-available directory
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edited Jun 26 '18 at 21:00
user2066657
27822 silver badges1414 bronze badges
answered Jul 2 '...
IntelliJ gives Fatal Error: Unable to find package java.lang in classpath or bootclasspath
... Settings -> SDKs
Re-apply the JSDK home path.
Doing this added about 15 jars to the classpath. Apparently these are important for compiling.
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Removing All Child Views from View
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201
viewGroup.removeAllViews()
works for any viewGroup. in your case it is GridView.
http://devel...