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Full screen background image in an activity
...u can do it.
Option 1:
Create different perfect images for different dpi and place them in related drawable folder. Then set
android:background="@drawable/your_image"
Option 2:
Add a single large image. Use FrameLayout. As a first child add an ImageView. Set the following in your ImageView.
a...
How to mock an import
.... However under test conditions I'd like to mock B in A (mock A.B ) and completely refrain from importing B .
8 An...
Rails: where does the infamous “current_user” come from?
I've been looking around recently into Rails and notice that there are a lot of references to current_user . Does this only come from Devise? and do I have to manually define it myself even if I use Devise? Are there prerequisites to using current_user (like the existence of sessions, users, etc)...
How do I clear all options in a dropdown box?
My code works in IE but breaks in Safari, Firefox, and Opera. (big surprise)
27 Answers
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Set a DateTime database field to “Now”
...ateTime.Now will do this or If I should first convert the date to a string and then add it to the request ?
– Thibault Witzig
Dec 20 '10 at 9:41
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How to disable a link using only CSS?
...orks in all modern browsers including IE 11. If you need support for IE 10 and below, you can use a JavaScript polyfill such as this one.
– Keavon
Jul 31 '14 at 5:13
26
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Getting hold of the outer class object from the inner class object
...esn't want to tell you what its outer instance is, you should respect that and try to design such that you don't need it.
– Jon Skeet
Nov 29 '09 at 19:29
1
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Get local href value from anchor (a) tag
I have an anchor tag that has a local href value, and a JavaScript function that uses the href value but directs it to a slightly different place than it would normally go. The tag looks like
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Can someone explain collection_select to me in clear, simple terms?
I am going through the Rails API docs for collection_select and they are god-awful.
2 Answers
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How to identify whether a file is normal file or directory
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os.path.isdir() and os.path.isfile() should give you what you want. See:
http://docs.python.org/library/os.path.html
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