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Append an object to a list in R in amortized constant time, O(1)?
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17 Answers
17
Active
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How to split a string and assign it to variables
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import (
"fmt"
"strings"
)
func main() {
s := strings.Split("127.0.0.1:5432", ":")
ip, port := s[0], s[1]
fmt.Println(ip, port)
}
Output:
127.0.0.1 5432
One step, for example,
package main
import (
"fmt"
"net"
)
func main() {
host, port, err := net.SplitHost...
Passing parameters to a Bash function
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1675
There are two typical ways of declaring a function. I prefer the second approach.
function f...
Calling clojure from java
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167
Update: Since this answer was posted, some of the tools available have changed. After the orig...
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)
#...
In which order should floats be added to get the most precise result?
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11 Answers
11
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How to store standard error in a variable
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18 Answers
18
Active
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Add st, nd, rd and th (ordinal) suffix to a number
...ate a string of text based on a current day. So, for example, if it is day 1 then I would like my code to generate = "Its the 1* st *".
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How can I pipe stderr, and not stdout?
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11 Answers
11
Active
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How do I declare and initialize an array in Java?
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For primitive types:
int[] myIntArray = new int[3];
int[] myIntArray = {1, 2, 3};
int[] myIntArray = new int[]{1, 2, 3};
// Since Java 8. Doc of IntStream: https://docs.oracle.com/javase/8/docs/api/java/util/stream/IntStream.html
int [] myIntArray = IntStream.range(0, 100).toArray(); // From 0 ...