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Is there a way to iterate over a slice in reverse in Go?
...
How about use defer:
s := []int{5, 4, 3, 2, 1}
for i, _ := range s {
defer fmt.Println(s[i])
}
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Remove all special characters, punctuation and spaces from string
... place" -> "greatplace". How to avoid it?
– Reihan_amn
Jul 19 '17 at 19:19
6
@Reihan_amn Simpl...
Django template how to look up a dictionary value with a variable
...om django.template.defaulttags import register
...
@register.filter
def get_item(dictionary, key):
return dictionary.get(key)
(I use .get so that if the key is absent, it returns none. If you do dictionary[key] it will raise a KeyError then.)
usage:
{{ mydict|get_item:item.NAME }}
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Convert integer to string Jinja
... my case I've got integers as strings coming from JSON content files: "hero_title_img_w": "111" and "hero_title_img2_w": "222". Then I'm adding them in .NJK file: {{ hero_title_img_w|int + hero_title_img2_w|int }} to use as image's width attribute. Hope it helps somebody one day.
...
`from … import` vs `import .` [duplicate]
... for simplicity or to avoid masking built ins:
from os import open as open_
# lets you use os.open without destroying the
# built in open() which returns file handles.
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Reading header data in Ruby on Rails
...ll working):
request.headers["Cookie"]
New way:
request.headers["HTTP_COOKIE"]
To get a Hash with all headers of the request.
request.headers
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How can I find the last element in a List?
... The delegate can be replaced with a lambda expression: myList.FindLast(_unused_variable_name => true); This will work regardless of type. A shorter version is myList.FindLast(_ => true);, but I find just the underscore (or any other single character identifier) can be a bit confusing at ti...
How to find out how many lines of code there are in an Xcode project?
...loc-1.56.pl' command. If your source code is located in directory 'project_code' You just need to run following command.
– JZ.
Sep 26 '14 at 3:41
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How to get all groups that a user is a member of?
...pal.WindowsIdentity]::GetCurrent()
$groups = $id.Groups | foreach-object {$_.Translate([Security.Principal.NTAccount])}
$groups | select *
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How to get UILabel to respond to tap?
...= UITapGestureRecognizer(target: self, action: #selector(self.actionTapped(_:)))
tempLabel?.isUserInteractionEnabled = true
tempLabel?.addGestureRecognizer(tapAction)
Action receiver
func actionTapped(_ sender: UITapGestureRecognizer) {
// code here
}
Swift 4.0
Initialize the gesture...