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What's the point of having pointers in Go?
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I really like example 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.Printl...
mongoDB/mongoose: unique if not null
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As of MongoDB v1.8+ you can get the desired behavior of ensuring unique values but allowing multiple docs without the field by setting the sparse option to true when defining the index. As in:
email : {type: String, trim: true, index: true,...
Changing Mercurial “Default” Parent URL
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AamirAamir
2,87355 gold badges2323 silver badges2828 bronze badges
add a c...
Difference between .success() and .complete()?
... arnorhsarnorhs
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How to define multiple name tags in a struct
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edited Dec 5 '18 at 14:08
kucherenkovova
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answered Sep 5...
Can functions be passed as parameters?
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answered Sep 29 '12 at 19:18
dskinnerdskinner
8,59911 gold badge2626 silver badges4141 bronze badges
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Get all attributes of an element using jQuery
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248
The attributes property contains them all:
$(this).each(function() {
$.each(this.attributes, ...
How to filter by object property in angularJS
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218
You simply have to use the filter filter (see the documentation) :
<div id="totalPos">{{(...
Build the full path filename in Python
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edited Aug 28 at 23:23
answered Aug 20 '11 at 16:49
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What is the wix 'KeyPath' attribute?
...ps://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997...