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Difference between modes a, a+, w, w+, and r+ in built-in open function?
...defines them as follows:
The argument mode points to a string beginning with one of the following
sequences (Additional characters may follow these sequences.):
``r'' Open text file for reading. The stream is positioned at the
beginning of the file.
``r+'' Open for reading and wr...
How do I simulate a hover with a touch in touch enabled browsers?
With some HTML like this:
14 Answers
14
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UINavigationBar Hide back Button Text
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In the interface builder, you can select the navigation item of the previous controller and change the Back Button string to what you'd like the back button to appear as. If you want it blank, for example, just put a space.
You can also change it with this line of code:
[self.na...
Android: Bitmaps loaded from gallery are rotated in ImageView
When I load an image from the media gallery into a Bitmap, everything is working fine, except that pictures that were shot with the camera while holding the phone vertically, are rotated so that I always get a horizontal picture even though it appears vertical in the gallery.
Why is that and how can...
What's the proper way to install pip, virtualenv, and distribute for Python?
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You can do this without installing anything into python itself.
You don't need sudo or any privileges.
You don't need to edit any files.
Install virtualenv into a bootstrap virtual environment. Use the that virtual environment to create mo...
What is the best AJAX library for Django? [closed]
Which AJAX library is the best for django and why?
Looking for one with a large database of tutorials, books and detailed documentation.
Which one is the easiest to work with?
Which one is in early development but shows great promise for the future?
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How does the “final” keyword in Java work? (I can still modify an object.)
In Java we use final keyword with variables to specify its values are not to be changed.
But I see that you can change the value in the constructor / methods of the class. Again, if the variable is static then it is a compilation error.
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Convert a Python list with strings all to lowercase or uppercase
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It can be done with list comprehensions. These basically take the form of [function-of-item for item in some-list]. For example, to create a new list where all the items are lower-cased (or upper-cased in the second snippet),...
Cache an HTTP 'Get' service response in AngularJS?
...to create a custom AngularJS service that makes an HTTP 'Get' request when its data object is empty and populates the data object on success.
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How to fix the Hibernate “object references an unsaved transient instance - save the transient insta
...collection mapping.
This happens because you have a collection in your entity, and that collection has one or more items which are not present in the database. By specifying the above options you tell hibernate to save them to the database when saving their parent.
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