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Delete multiple objects in django
... own, combine ModelForms and generic views. Otherwise, look into 3rd party apps that provide similar functionality. In a related question, the recommendation was django-filter.
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How do I use a Boolean in Python?
...ects. they will retain same memory address throughout the lifetime of your app. When you type True, python memory manager will check its address and will pull the value '1'. for False its value is '0'.
Comparisons of any boolean expression to True or False can be performed using either is (identity)...
Prevent browser caching of AJAX call result
....getTime(), which will avoid collisions unless you have multiple requests happening within the same millisecond:
$.get('/getdata?_=' + new Date().getTime(), function(data) {
console.log(data);
});
Edit: This answer is several years old. It still works (hence I haven't deleted it), but there ...
How to create PDFs in an Android app? [closed]
Is there any way to create PDF Files from an Android application?
8 Answers
8
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How can I change image tintColor in iOS and WatchKit
...
iOS
For an iOS app, in Swift 3, 4 or 5:
theImageView.image = theImageView.image?.withRenderingMode(.alwaysTemplate)
theImageView.tintColor = UIColor.red
For Swift 2:
theImageView.image = theImageView.image?.imageWithRenderingMode(UIIma...
What's onCreate(Bundle savedInstanceState)
...
If you save the state of the application in a bundle (typically non-persistent, dynamic data in onSaveInstanceState), it can be passed back to onCreate if the activity needs to be recreated (e.g., orientation change) so that you don't lose this prior inf...
Clearing purchases from iOS in-app purchase sandbox for a test user
Does anyone have any ideas on how to reset and/or clear the iOS in-app purchase sandbox?
8 Answers
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How to run `rails generate scaffold` when the model already exists?
...'parent_module/controller_name'.
This generates a controller class in app/controllers and invokes helper,
template engine and test framework generators.
To create your resource, you'd use the resource generator, and to create a migration, you can also see the migration generator (see, t...
Update Git submodule to latest commit on origin
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minor improvement to the 'foreach' approach - you may want to add --recursive in there in case you have submodules within submodules. so: git submodule foreach --recursive git pull origin master.
– orion elenzil
Apr 10 '1...
MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
...is needed for the system you have described.
In an ideal MVVM world, your application is comprised of your ViewModels, and your Models are the just the blocks used to build your application. They typically only contain data, so would not have methods such as DrawCard() (that would be in a ViewModel...