大约有 8,438 项符合查询结果（耗时：0.0271秒） [XML]
Handler vs AsyncTask
... a convenient, easy-to-use way to achieve background processing in Android apps, without worrying too much about the low-level details(threads, message loops etc). It provides callback methods that help to schedule tasks and also to easily update the UI whenever required.
However, it is important ...
How to check if Receiver is registered in Android?
...ter and set flag
this won't work If you restart the device or if your app got killed by
OS. – amin 6 hours ago
@amin - see lifetime of in code (not system registered by manifest entry) registered receiver :)
share...
Understanding the Rails Authenticity Token
...
What happens
When the user views a form to create, update, or destroy a resource, the Rails app creates a random authenticity_token, stores this token in the session, and places it in a hidden field in the form. When the user subm...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
I'm trying to implement search code in my CoreData-based iPhone app. I'm not sure how to proceed. The app already has an NSFetchedResultsController with a predicate to retrieve the data for the primary TableView. I want to make sure I'm on the right path before I change too much code. I'm confus...
How to prevent browser to invoke basic auth popup and handle 401 error using Jquery?
...s automatically handling this natively, instead of allowing the javascript app to handle it. You can stick to the standard, by not returning the proper response that the standard recommends, or you can choose to not stick to the standard, by returning the standard-recommended response code. Take you...
Nodejs cannot find installed module on Windows
...
Add an environment variable called NODE_PATH and set it to %USERPROFILE%\Application Data\npm\node_modules (Windows XP), %AppData%\npm\node_modules (Windows 7/8/10), or wherever npm ends up installing the modules on your Windows flavor. To be done with it once and for all, add this as a System var...
Archiving project in Xcode incorrectly creates multi-application bundle
Archiving my project in Xcode is creating a multi-application bundle, instead of bundling my main target for release, which is what I want. Specifically, when I validate my archive in Organizer, it gives me the message:
...
How to define a reply-to address?
...lass Notifications < ActionMailer::Base
default :from => 'your_app@your_domain.com',
:reply_to => 'some_other_address@your_domain.com'
end
Or:
class Contacts < ActionMailer::Base
def new_contact
mail( :to => 'somebody@some_domain.com',
:from ...
What is the maximum length of a Push Notification alert text?
...later, the maximum size allowed for a notification payload is 2 kilobytes; Apple Push Notification Service refuses any notification that exceeds this limit. (Prior to iOS 8 and in OS X, the maximum payload size is 256 bytes.)
This is what I could find doing some experiments.
Alerts: Prior to iOS...
Quick and easy file dialog in Python?
...the file, and then it's loaded to the database. (In my use case, if they happened to chose the wrong file, it would fail parsing, and wouldn't be a problem even if it was loaded to the database.)
...