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Error: Jump to case label
...In the following code, if foo equals 1, everything is ok, but if it equals 2, we'll accidentally use the i variable which does exist but probably contains garbage.
switch(foo) {
case 1:
int i = 42; // i exists all the way to the end of the switch
dostuff(i);
break;
case 2:
dostu...
Toggle input disabled attribute using jQuery
...
452
$('#el').prop('disabled', function(i, v) { return !v; });
The .prop() method accepts two argum...
Reset keys of array elements in php?
...
296
To reset the keys of all arrays in an array:
$arr = array_map('array_values', $arr);
In cas...
How add “or” in switch statements?
...
326
By stacking each switch case, you achieve the OR condition.
switch(myvar)
{
case 2:
ca...
unable to locate nuget.exe when building webservice on appharbor
...
201
I solved this by changing this line in my NuGet.targets file and setting it to true:
<Down...
How to find the key of the largest value hash?
I have the following hash {"CA"=>2, "MI"=>1, "NY"=>1}
7 Answers
7
...
XPath query to get nth instance of an element
...
2 Answers
2
Active
...
Remove duplicated rows using dplyr
...tion for this purpose.
Original answer below:
library(dplyr)
set.seed(123)
df <- data.frame(
x = sample(0:1, 10, replace = T),
y = sample(0:1, 10, replace = T),
z = 1:10
)
One approach would be to group, and then only keep the first row:
df %>% group_by(x, y) %>% filter(row_num...
What does Bump Version stand for?
...
271
It means to increment the version number to a new, unique value.
...
php static function
...
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edited Dec 20 '14 at 3:01
Makyen♦
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