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Why fragments, and when to use fragments instead of activities?
... me elaborate;
The ActionBar. If you want tabs up there to navigate your app, you quickly see that ActionBar.TabListener interface gives you a FragmentTransaction as an input argument to the onTabSelected method. You could probably ignore this, and do something else and clever, but you'd be workin...
Why doesn't django's model.save() call full_clean()?
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I see two problems with this approach 1) in case of ModelForm's full_clean() would be called twice: by the form and by the signal 2) If the form excludes some fields, they would still be validated by the signal.
– mehmet
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iOS 7 TableView like in Settings App on iPad
...ant to have a group UITableView with the style same like the iPad Settings application Detail view for iOS 7 .
15 Answer...
How to create EditText with cross(x) button at end of it?
... this is a inefficient way of doing it. yanchenko's answer is right approach of using compound drawables.
– numan salati
Apr 10 '13 at 15:48
4
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Unable to generate an explicit migration in entity framework
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It tells you that there is some unprocessed migration in your application and it requires running Update-Database before you can add another migration.
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How to check task status in Celery?
... your use case you already has the instance, you are good to go. But what happen if you only have the task id, and need to instantiate an async_result instance to be able to call async_result.get()? This is an instance of the AsyncResult class, but you cannot use the raw class celery.result.AsyncRes...
Detect if Android device has Internet connection
... you can just take a different website (e.g. baidu.com when deploying your app in China), or you can try a second site if the first one fails to make sure there is no connection.
– THelper
Mar 29 '12 at 11:10
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Where to place and how to read configuration resource files in servlet based application?
In my web application I have to send email to set of predefined users like finance@xyz.com , so I wish to add that to a .properties file and access it when required. Is this a correct procedure, if so then where should I place this file? I am using Netbeans IDE which is having two separate folder...
inline conditionals in angular.js
...sible solutions:
Here's a filter that will do an "immediate if" (aka iif):
app.filter('iif', function () {
return function(input, trueValue, falseValue) {
return input ? trueValue : falseValue;
};
});
and can be used like this:
{{foo == "bar" | iif : "it's true" : "no, it's not"}}
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Django using get_user_model vs settings.AUTH_USER_MODEL
...TH_USER_MODEL will delay the retrieval of the actual model class until all apps are loaded. get_user_model will attempt to retrieve the model class at the moment your app is imported the first time.
get_user_model cannot guarantee that the User model is already loaded into the app cache. It might ...