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What's the point of having pointers in Go?
...xample taken from http://www.golang-book.com/8
func zero(x int) {
x = 0
}
func main() {
x := 5
zero(x)
fmt.Println(x) // x is still 5
}
as contrasted with
func zero(xPtr *int) {
*xPtr = 0
}
func main() {
x := 5
zero(&x)
fmt.Println(x) // x is 0
}
...
Rails: Logging the entire stack trace of an exception
...
208
If you look at the source for the BufferedLogger class in ActiveSupport, you'll see that the se...
What is the _snowman param in Ruby on Rails 3 forms for?
...
308
This parameter was added to forms in order to force Internet Explorer (5, 6, 7 and 8) to encode...
RVM is not working in ZSH
...
intellidiotintellidiot
10.3k44 gold badges3030 silver badges4141 bronze badges
...
jquery loop on Json data using $.each
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306
var data = [
{"Id": 10004, "PageName": "club"},
{"Id": 10040, "PageName": "qaz"},
{"Id": ...
How to get last key in an array?
...
answered Feb 27 '10 at 17:11
Pascal MARTINPascal MARTIN
366k6767 gold badges624624 silver badges641641 bronze badges
...
Pass a variable into a partial, rails 3?
...|
edited Jun 26 '15 at 17:05
answered Jan 15 '11 at 16:13
p...
How to use comments in Handlebar templates?
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204
The newest version of Handlebars has block comments support :
{{!-- {{commented expressions}} ...
Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
... |
edited Aug 2 '17 at 10:42
a_horse_with_no_name
399k6969 gold badges612612 silver badges695695 bronze badges
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How can I multiply and divide using only bit shifting and adding?
...want to decompose one of the numbers by powers of two, like so:
21 * 5 = 10101_2 * 101_2 (Initial step)
= 10101_2 * (1 * 2^2 + 0 * 2^1 + 1 * 2^0)
= 10101_2 * 2^2 + 10101_2 * 2^0
= 10101_2 << 2 + 10101_2 << 0 (Decomposed)
= 10101_2 * 4 + 10101...