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How do I use pagination with Django class based generic ListViews?
...ListView
class CarListView(ListView):
model = models.Car # shorthand for setting queryset = models.Car.objects.all()
template_name = 'app/car_list.html' # optional (the default is app_name/modelNameInLowerCase_list.html; which will look into your templates folder for that path and fil...
how to prevent “directory already exists error” in a makefile when using mkdir
I need to generate a directory in my makefile and I would like to not get the "directory already exists error" over and over even though I can easily ignore it.
...
Loop through all the resources in a .resx file
...
You should always use the resource manager and not read files directly to ensure globalization is taken into account.
using System.Collections;
using System.Globalization;
using System.Resources;
...
/* Reference to your resources class -- may be named differently...
how to unit test file upload in django
...ase. To POST a file, you need only
provide the file field name as a key, and a file handle to the file
you wish to upload as a value. For example:
c = Client()
with open('wishlist.doc') as fp:
c.post('/customers/wishes/', {'name': 'fred', 'attachment': fp})
...
Git: How to remove file from index without deleting files from any repository
... pull your deletion, then restore the file.
If they are pulling via rebase and are ‘carrying’ modifications to the file, they will get conflicts. To resolve such conflicts, use git rm foo.conf && git rebase --continue (if the conflicting commit has changes besides those to the removed fi...
Passing Objects By Reference or Value in C#
... have always thought that non-primitive variables were passed by reference and primitive values passed by value.
7 Answers
...
Imitate Facebook hide/show expanding/contracting Navigation Bar
...wing property:
@property (nonatomic) CGFloat previousScrollViewYOffset;
And here are the UIScrollViewDelegate methods:
- (void)scrollViewDidScroll:(UIScrollView *)scrollView
{
CGRect frame = self.navigationController.navigationBar.frame;
CGFloat size = frame.size.height - 21;
CGFloat...
Empty Visual Studio Project?
...project in a solution. Basically I have a solution with multiple projects, and I want to add a project to track some static files that are part of the solution but not of any specific project. Adding them as solution files doesn't work because solution folders are not mapped to file system folders a...
Finding the Eclipse Version Number
...Eclipse Version" question references a .eclipseproduct in the main folder, and it contains:
name=Eclipse Platform
id=org.eclipse.platform
version=3.x.0
So that seems more straightforward than my original answer below.
Also, Neeme Praks mentions below that there is a eclipse/configuration/config....
Ruby, remove last N characters from a string?
... 2.5 you can use delete_suffix or delete_suffix! to achieve this in a fast and readable manner.
The docs on the methods are here.
If you know what the suffix is, this is idiomatic (and I'd argue, even more readable than other answers here):
'abc123'.delete_suffix('123') # => "abc"
'abc123'...