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Git: how to reverse-merge a commit?
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106
To create a new commit that 'undoes' the changes of a past commit, use:
$ git revert <commi...
Ruby on Rails form_for select field with class
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Rimian
31.1k1010 gold badges102102 silver badges107107 bronze badges
answered Nov 2 '10 at 20:46
MBOMBO
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Getting and removing the first character of a string
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170
See ?substring.
x <- 'hello stackoverflow'
substring(x, 1, 1)
## [1] "h"
substring(x, 2)
## ...
Usage of @see in JavaDoc?
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answered Feb 16 '11 at 9:40
Paŭlo EbermannPaŭlo Ebermann
66.6k1717 gold badges133133 silver badges195195 bronze badges
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How to hide one item in an Android Spinner
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50
To hide an arbitrary item or more than one item I think that you can implement your own adapter ...
How to get values from IGrouping
...list.
– Matt Smith
Apr 22 '16 at 14:09
3
@MorgoZ, OrderBy(x => x.id) will sort them in ascendi...
Plot correlation matrix into a graph
...trix
nrowcol <- length(ver)
cor <- matrix(runif(nrowcol*nrowcol, min=0.4), nrow=nrowcol, ncol=nrowcol, dimnames = list(hor, ver))
for (i in 1:nrowcol) cor[i,i] = 1
#Build the plot
rgb.palette <- colorRampPalette(c("blue", "yellow"), space = "rgb")
levelplot(cor, main="stage 12-14 array cor...
How to deny access to a file in .htaccess
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answered Jul 30 '12 at 21:18
Jon LinJon Lin
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How to pass an ArrayList to a varargs method parameter?
...toArray(new WorldLocation[locations.size()]))
(toArray(new WorldLocation[0]) also works, but you would allocate a zero length array for no reason.)
Here's a complete example:
public static void method(String... strs) {
for (String s : strs)
System.out.println(s);
}
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List<...
Changing names of parameterized tests
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302
This feature has made it into JUnit 4.11.
To use change the name of parameterized tests, you s...