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How to take a screenshot programmatically on iOS
... will this take a screenshot if you are viewing a picture your app just took?
– John Riselvato
Dec 6 '12 at 4:36
5
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Django template how to look up a dictionary value with a variable
...
For me creating a python file named template_filters.py in my App with below content did the job
# coding=utf-8
from django.template.base import Library
register = Library()
@register.filter
def get_item(dictionary, key):
return dictionary.get(key)
usage is like what culebrón...
How do you explicitly set a new property on `window` in TypeScript?
... Thanks @David, this worked like a charm with new Create React App and typescript version, Previously this was working : (<any>window).MyNamespace, but now it is breaking in new typescript version 3.5.x.
– Jignesh Raval
Jul 9 '19 at 15:58
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Show hide fragment in android
I am developing application which contains 2 fragments and i want to show hide according to my need. Following code has simple example of my problem.
This simple Fragmentactivity contains 1 button and one listfragment.
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How to change letter spacing in a Textview?
...letterSpacing wasn't changing in the AS preview. I had to actually run the app on a physical device to see the change.
– Drew Szurko
Oct 19 '17 at 0:44
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How do I parse JSON with Ruby on Rails? [duplicate]
...ort_url and long_url. Than, to get the shortUrl and associate it with the appropriate Site object, you can do something like:
parsed_json["results"].each do |longUrl, convertedUrl|
site = Site.find_by_long_url(longUrl)
site.short_url = convertedUrl["shortUrl"]
site.save
end
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Android: Coloring part of a string using TextView.setText()?
...ing the android-ktx library
val title = SpannableStringBuilder()
.append("Your big island ")
.bold { append("ADVENTURE") }
titleTextField.text = title
The bold is an extension function on SpannableStringBuilder. You can see the documentation here for a list of operations you can...
How to have an automatic timestamp in SQLite?
I have an SQLite database, version 3 and I am using C# to create an application that uses this database.
7 Answers
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ActiveModel::ForbiddenAttributesError when creating new user
... required.
You might want to do it like this:
class UsersController < ApplicationController
def create
@user = User.new(user_params)
# ...
end
private
def user_params
params.require(:user).permit(:username, :email, :password, :salt, :encrypted_password)
end
end
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Remove directory which is not empty
In my Node application I need to remove a directory which has some files, but fs.rmdir only works on empty directories. How can I do this?
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