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How to reverse a string in Go?
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In Go1 rune is a builtin type.
func Reverse(s string) string {
runes := []rune(s)
for i, j := 0, len(runes)-1; i < j; i, j = i+1, j-1 {
runes[i], runes[j] = runes[j], runes[i]
}
return string(runes)
}
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Python integer division yields float
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answered Aug 15 '09 at 21:51
Brandon E TaylorBrandon E Taylor
23.1k66 gold badges4343 silver badges6868 bronze badges
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In pure functional languages, is there an algorithm to get the inverse function?
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10 Answers
10
Active
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ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
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217
I had this issue and the fix was to make sure in tnsnames.ora the SERVICE_NAME is a valid servi...
Git: Merge a Remote branch locally
...r local branch:
git checkout master
git merge origin/aRemoteBranch
Note 1: For a large repo with a long history, you will want to add the --depth=1 option when you use git fetch.
Note 2: These commands also work with other remote repos so you can setup an origin and an upstream if you are workin...
How do I calculate the date six months from the current date using the datetime Python module?
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Multiple levels of 'collection.defaultdict' in Python
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edited Sep 12 '19 at 19:45
StevenWernerCS
45855 silver badges1111 bronze badges
answered ...
Why does the C# compiler go mad on this nested LINQ query?
... machine) and very long time to compile (actually I get IO exception after 10 minutes).
1 Answer
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How to remove gaps between subplots in matplotlib?
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103
You can use gridspec to control the spacing between axes. There's more information here.
imp...
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...