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Prevent dialog dismissal on screen rotation in Android
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The best way to avoid this problem nowadays is by using a DialogFragment.
Create a new class which extends DialogFragment. Override onCreateDialog and return your old Dialog or an AlertDialog.
Then you can show it with DialogFragment.show(fra...
Java: Literal percent sign in printf statement
...aped using a percent sign:
System.out.printf("%s\t%s\t%1.2f%%\t%1.2f%%\n",ID,pattern,support,confidence);
The complete syntax can be accessed in java docs. This particular information is in the section Conversions of the first link.
The reason the compiler is generating an error is that only a l...
What does |= (ior) do in Python?
...== (1 | 0) == (0 | 1)
>>> assert 0 == (0 | 0)
We now extend this idea beyond binary numbers. Given any two integral numbers (lacking fractional components), we apply the bitwise OR and get an integral result:
>>> a = 10
>>> b = 16
>>> a | b
26
How? In genera...
In-App Billing test: android.test.purchased already owned
...ng for a future app, and after I successfully "bought" the test item "android.test.purchased" the first time, I now receive the response code 7 every time I try to buy it again, which means that I already own this item.
...
Amazon S3 direct file upload from client browser - private key disclosure
...chine to Amazon S3 via REST API using only JavaScript, without any server-side code. All works fine but one thing is worrying me...
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How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
...ut the bookmark of course, if you look up the pre-rebase origin/foo commit ID, and use that.
This is also how you deal with the situation where you forgot to make a bookmark before fetching. Nothing is lost – you just need to check the reflog for the remote branch:
git reflog show origin/foo | a...
What's the difference between `on` and `live` or `bind`?
...f jQuery's event binding functions into one. This has the added bonus of tidying up the inefficiencies with live vs delegate. In future versions of jQuery, these methods will be removed and only on and one will be left.
Examples:
// Using live()
$(".mySelector").live("click", fn);
// Equivalent...
How does the getView() method work when creating your own custom adapter?
...led View and we have to create a new one, otherwise we should use it to avoid creating a new.
3: The parent is provided so you can inflate your view into that for proper layout parameters.
All these together can be used to effectively create the view that will appear in your list (or other view th...
Difference between wait and sleep
...cess and return its termination sta-
tus. Each n may be a process ID or a job specification; if a
job spec is given, all processes in that job's pipeline are
waited for. If n is not given, all currently active child pro-
cesses are waited for, and the ...
How do I make an Android EditView 'Done' button and hide the keyboard when clicked?
When the user clicks on the EditView , Android opens the keyboard so that user can write in the EditView .
17 Answers
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