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Android WebView, how to handle redirects in app instead of opening a browser
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edited Nov 1 '10 at 3:52
answered Nov 1 '10 at 3:34
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Drop data frame columns by name
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You can use a simple list of names :
DF <- data.frame(
x=1:10,
y=10:1,
z=rep(5,10),
a=11:20
)
drops <- c("x","z")
DF[ , !(names(DF) %in% drops)]
Or, alternatively, you can make a list of those to keep and refer to them by name :
keeps <- c("y", "a")
DF[keeps]
EDIT ...
SQL RANK() versus ROW_NUMBER()
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ROW_NUMBER : Returns a unique number for each row starting with 1. For rows that have duplicate values,numbers are arbitarily assigned.
Rank : Assigns a unique number for each row starting with 1,except for rows that have duplicate values,in which case the same ranking is assigned and a ...
How can I write a regex which matches non greedy? [duplicate]
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edited Jul 18 '17 at 16:10
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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Search all of Git history for a string? [duplicate]
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1265
Git can search diffs with the -S option (it's called pickaxe in the docs)
git log -S password...
How to install the current version of Go in Ubuntu Precise
Running sudo apt-get install golang-stable , I get Go version go1.0.3 . Is there any way to install go1.1.1 ?
16 Answers...
Change Image of ImageView programmatically in Android
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183
That happens because you're setting the src of the ImageView instead of the background.
Use t...
Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?
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18 Answers
18
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Disable Visual Studio code formatting in Razor
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+150
You cannot. This is built in "feature" of VS since the first .net version (visual studio 2002/2003).
There are tons of connect repo...
Removing all unused references from a project in Visual Studio projects
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14 Answers
14
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