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How to use concerns in Rails 4
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As an example, I'll put one well known pattern, the taggable pattern:
# app/models/product.rb
class Product
include Taggable
...
end
# app/models/concerns/taggable.rb
# notice that the file name has to match the module name
# (applying Rails conventions for autoloading)
module Taggable
e...
You need to use a Theme.AppCompat theme (or descendant) with this activity
...ason you are having this problem is because the activity you are trying to apply the dialog theme to is extending ActionBarActivity which requires the AppCompat theme to be applied.
Update: Extending AppCompatActivity would also have this problem
In this case, change the Java inheritance from ...
Does Android support near real time push notification?
I recently learned about the ability of iPhone apps to receive nearly instantaneous notifications to apps notifications to apps .
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How to render a PDF file in Android
...port in its libraries. Is there any way to render PDF files in the Android applications?
9 Answers
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Is it possible to prevent an NSURLRequest from caching data or remove cached data following a reques
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I have the same problem in my app when I requested info from twitter. In my case I didn't need to preserve those credentials, so I simple erase them using the next code:
- (void) eraseCredentials{
NSURLCredentialStorage *credentialsStorage = [NSURLCreden...
How to validate an e-mail address in swift?
...n:
"THE REASONABLE SOLUTION"
Used and tested for years in many huge volume apps.
1 - it avoids the horrific regex mistakes often seen in example code
2 - it does NOT allow ridiculous emails such as "x@x"
(If for some reason you need a solution that allows nonsense strings such as 'x@x', use another ...
Android Camera : data intent returns null
I have an android application which contains multiple activities.
11 Answers
11
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Sending and Parsing JSON Objects in Android [closed]
... very low as well.
So it just might be good choice, especially for smaller apps.
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Git is ignoring files that aren't in gitignore
...oblem - a directory was being ignored by git with this error:
➭ git add app/views/admin/tags/
The following paths are ignored by one of your .gitignore files:
app/views/admin/tags
Use -f if you really want to add them.
fatal: no files added
I finally figured out my problem was a line in my ~/.g...
Eclipse hangs at the Android SDK Content Loader
... (Juno release 20120920-0800) on OS X 10.8.2 for a few weeks now, building apps for Android 3.0 and above. I have a quad core i7 MacBook Pro with an SSD, so performance is not an issue. Everything was fine.
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