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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...uations where the quality of your randomness can affect the security of an application. In particular, rand() and uniqid() are not cryptographically secure random number generators. See Scott's answer for a secure alternative.
If you do not need it to be absolutely unique over time:
md5(uniqid(ra...
How to change theme for AlertDialog
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In Dialog.java (Android src) a ContextThemeWrapper is used. So you could copy the idea and do something like:
AlertDialog.Builder builder = new AlertDialog.Builder(new ContextThemeWrapper(this, R.style.AlertDialogCustom));
And then style it like you want:
<?xml ve...
QuotaExceededError: Dom exception 22: An attempt was made to add something to storage that exceeded
...torage is not available at all.
One solution is to warn the user that the app needs non-private mode to work.
UPDATE: This has been fixed in Safari 11, so the behaviour is now aligned with other browsers.
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How do I copy a string to the clipboard on Windows using Python?
I'm trying to make a basic Windows application that builds a string out of user input and then adds it to the clipboard. How do I copy a string to the clipboard using Python?
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Using Rails 3.1, where do you put your “page specific” JavaScript code?
...s this by default when it adds //= require_tree . to the bottom of your application.js manifest file.
29 Answers
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Best way to create unique token in Rails?
...:
With Rails 4 and concerns, I would recommend moving this to concern.
# app/models/model_name.rb
class ModelName < ActiveRecord::Base
include Tokenable
end
# app/models/concerns/tokenable.rb
module Tokenable
extend ActiveSupport::Concern
included do
before_create :generate_token
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Remove Fragment Page from ViewPager in Android
...ates of the compatibility library, requiring changes to the source code of apps when they are compiled against the newer version.
So hopefully the workaround given here will not be necessary in a future version of the support library.
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Determine if code is running as part of a unit test
...ich checked whether the NUnit framework assembly was loaded in the current AppDomain. It only needed to do this once, then cache the result. Ugly, but simple and effective.
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Can you resolve an angularjs promise before you return it?
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I cant describe with words how happy Im, you saved me so much time h.coates!
– rilar
Apr 2 '14 at 10:33
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How do I stop Skype from using HTTP or HTTPS ports 80 and 443? [closed]
...ll, etc... And that is the easiest way to go for Skype. Skype ignores what application it blocks.
– JelloDude
Apr 10 '14 at 17:42
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