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Expert R users, what's in your .Rprofile? [closed]
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Here are two functions I find handy for working with windows.
The first converts the \s to /.
.repath <- function() {
cat('Paste windows file path and hit RETURN twice')
x <- scan(what = "")
xa <- gsub('\\\\', '/', x)
writeClipboard(paste(xa, collapse=" "))
cat('Here\'s y...
Getting the first and last day of a month, using a given DateTime object
I want to get the first day and last day of the month where a given date lies in. The date comes from a value in a UI field.
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How to find the 'sizeof' (a pointer pointing to an array)?
...pointing to. There are tricks, like ending the array with a known out-of-band value and then counting the size up until that value, but that's not using sizeof().
Another trick is the one mentioned by Zan, which is to stash the size somewhere. For example, if you're dynamically allocating the a...
Change text color of one word in a TextView
... answered Aug 28 '11 at 15:50
DanDan
2,98311 gold badge2323 silver badges2525 bronze badges
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C# operator overload for `+=`?
... think this is because there will be an effect for the Garbage collection and memory management, which is a potential security hole in CLR strong typed world.
Nevertheless, let's see what exactly an operator is. According to the famous Jeffrey Richter's book, each programming language has its own ...
How to find the type of an object in Go?
... following snippet will print out the reflection type of a string, integer and float.
package main
import (
"fmt"
"reflect"
)
func main() {
tst := "string"
tst2 := 10
tst3 := 1.2
fmt.Println(reflect.TypeOf(tst))
fmt.Println(reflect.TypeOf(tst2))
fmt.Println(refle...
How can I get nth element from a list?
...d have. So I think the idea was to allows it for edge cases, but make it stand out as non-idiomatic.
– cdosborn
Sep 26 '16 at 20:04
3
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C# Iterating through an enum? (Indexing a System.Array)
... edited Nov 20 '15 at 20:34
Anders
10.7k3333 gold badges8888 silver badges139139 bronze badges
answered Jan 27 '09 at 9:16
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Why can't variables be declared in a switch statement?
... switch statement? In C++ you can declare variables pretty much anywhere (and declaring them close to first use is obviously a good thing) but the following still won't work:
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How to check if all list items have the same value and return it, or return an “otherValue” if they
..., otherwise I need to use an “otherValue”. I can’t think of a simple and clear way of doing this.
9 Answers
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