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How do iOS Push Notifications work?
...It was too much for me to put in a comment so.
From the documentation.
Apple Push Notification service (APNs) propagates push notifications to devices having applications registered to receive those notifications. Each device establishes an accredited and encrypted IP connection with the service...
Backwards migration with Django South
...e number of the migration just before the one you want to roll back.
Your app should have a migrations directory, with files in it named like
0000_initial.py
0001_added_some_fields.py
0002_added_some_more_fields.py
0003_deleted_some_stuff.py
Normally, when you run ./manage.py migrate your_app, S...
How do I get Flask to run on port 80?
...ng development, but you should use a full deployment option for production applications. (Do not use the builtin development server in production.)
Recommended
Proxy HTTP traffic through apache2 to Flask.
This way, apache2 can handle all your static files (which it's very good at - much better...
View the Task's activity stack
I just started developing a simple Android application while I'm still learning the platform.
9 Answers
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App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
计算器这个看似简单的应用，当你一旦着手去制作时，就会发现写出来的程序漏洞百出，那些在人类看来理所当然的逻辑，对于计算机来说，却是浑然不知，一定要将每个细节都照顾到，程序才能如你所愿地运行，否则就会出现...
What is a provisioning profile used for when developing iPhone applications?
...e of a provisioning profile and why is it needed when developing an iPhone application? If I don't have a provisioning profile, what happens?
...
What is an Android PendingIntent?
...
A PendingIntent is a token that you give to a foreign application (e.g. NotificationManager, AlarmManager, Home Screen AppWidgetManager, or other 3rd party applications), which allows the foreign application to use your application's permissions to execute a predefined piece of ...
How to simulate Android killing my process
...ble to simulate this behaviour during testing so that I can ensure that my application is behaving correctly. I want to be able to do this in an automated way so that I can test if the application behaves correctly whenever this happens, which means that I'll have to test this in every activity, etc...
Android Facebook integration with invalid key hash
In one of my apps I need to get data from Facebook... I am doing this:
25 Answers
25
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Converting string from snake_case to CamelCase in Ruby
...o get an actual class, you should use String#constantize on top of that.
"app_user".camelize.constantize
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