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Center content of UIScrollView when smaller
I have a UIImageView inside a UIScrollView which I use for zooming and scrolling. If the image / content of the scroll view is bigger than the scroll view, everything works fine. However, when the image becomes smaller than the scroll view, it sticks to the top left corner of the scroll view. I ...
Can an input field have two labels?
Mary had a little form, and its fields where labeled just so.
Whenever an error crept in, confusion it would sow.
3 Answers...
Prevent BODY from scrolling when a modal is opened
...tically adds the class modal-open to the body when a modal dialog is shown and removes it when the dialog is hidden. You can therefore add the following to your CSS:
body.modal-open {
overflow: hidden;
}
You could argue that the code above belongs to the Bootstrap CSS code base, but this is a...
PyLint “Unable to import” error - how to set PYTHONPATH?
...inside Wing IDE on Windows. I have a sub-directory (package) in my project and inside the package I import a module from the top level, ie.
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Is there a way to reduce the size of the git folder?
Seems like my project is getting bigger and bigger with every git commit/push . Is there a way to clean up my git folder?
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How to add a touch event to a UIView?
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In iOS 3.2 and higher, you can use gesture recognizers. For example, this is how you would handle a tap event:
//The setup code (in viewDidLoad in your view controller)
UITapGestureRecognizer *singleFingerTap =
[[UITapGestureRecogni...
How to change progress bar's progress color in Android
I'm using an horizontal progress bar in my Android application, and I want to change its progress color (which is Yellow by default). How can I do it using code (not XML)?
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Using fonts with Rails asset pipeline
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If your Rails version is between > 3.1.0 and < 4, place your fonts in any of the these folders:
app/assets/fonts
lib/assets/fonts
vendor/assets/fonts
For Rails versions > 4, you must place your fonts in the app/assets/fonts folder.
Note: To place fonts...
Is there a use-case for singletons with database access in PHP?
I access my MySQL database via PDO. I'm setting up access to the database, and my first attempt was to use the following:
1...
How to read a (static) file from inside a Python package?
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TLDR; Use standard-library's importlib.resources module as explained in the method no 2, below.
The traditional pkg_resources from setuptools is not recommended anymore because the new method:
it is significantly more performant;
is is ...