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Difference between Activity and FragmentActivity
I was working on fragments and came across two things Activity and FragmentActivity which are used several times. I want to know that is there any difference between these two, because when I changed Activity with FragmentActivity , it had no effect on the app.
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jQuery: Performing synchronous AJAX requests
...uery in the past, but I am completely stuck on this. I know about the pros and cons of using synchronous ajax calls, but here it will be required.
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How to create a unique index on a NULL column?
...f uniques" -- NULL is a special value in SQL (similar in many ways to NaN) and needs to be treated accordingly. It's actually a failure in in SQL Server to honor various SQL specifications: here is a link for a request for the "correct implementation" for what it is worth: connect.microsoft.com/SQLS...
SQL Server: Examples of PIVOTing String data
... @Silmaril89 assume that 2nd column name in question is 'data' and 1st column is 'Action'
– Iman
Aug 30 '12 at 18:20
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ExecutorService that interrupts tasks after a timeout
...Service for this. First you would submit it only once to begin immediately and retain the future that is created. After that you can submit a new task that would cancel the retained future after some period of time.
ScheduledExecutorService executor = Executors.newScheduledThreadPool(2);
final F...
How do I create an average from a Ruby array?
...ore, it's not as magical as it might appear. It iterates over each element and then applies an accumulator value to it. The accumulator is then handed to the next element. In this case, our accumulator is simply an integer that reflects the sum of all the previous elements.
Edit: Commenter Dave Ray...
Editing the git commit message in GitHub
...rce that push (git push -f). But if already someone pulled your old commit and started a work based on that commit, he would have to rebase his work onto your new commit.
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What are the differences between a UIView and a CALayer?
..., both represent different data.
What are the differences between a UIView and a CALayer?
6 Answers
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How to debug Apache mod_rewrite
...ite.log"
RewriteLogLevel 3
Since Apache httpd 2.4 mod_rewrite RewriteLog and RewriteLogLevel directives has been completely replaced by the new per-module logging configuration.
LogLevel alert rewrite:trace6
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How to access object attribute given string corresponding to name of that attribute
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There are built-in functions called getattr and setattr
getattr(object, attrname)
setattr(object, attrname, value)
In this case
x = getattr(t, 'attr1')
setattr(t, 'attr1', 21)
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