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What's the role of adapters in Android?
I want to know when , where and how adapters are used in the context of Android.
10 Answers
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How to check if my string is equal to null?
...) should return false.
The way to compare with null is to use x == null and x != null.
Moreover, x.field and x.method() throws NullPointerException if x == null.
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Repairing Postgresql after upgrading to OSX 10.7 Lion
...ked when trying to connect to the psql server. When I do it from the command line using
15 Answers
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How to convert a string to utf-8 in Python
...icode'>)
^ This is the difference between a byte string (plain_string) and a unicode string.
>>> s = "Hello!"
>>> u = unicode(s, "utf-8")
^ Converting to unicode and specifying the encoding.
In Python 3
All strings are unicode. The unicode function does not exist anymore. See ...
Populate nested array in mongoose
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model: 'Component'
}
})
.exec(function(err, docs) {});
And you can join more than one deep level
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Python Script execute commands in Terminal
... somewhere a while ago but cant seem to find it. I am trying to find a command that will execute commands in the terminal and then output the result.
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SQL - HAVING vs. WHERE
...nce HAVING works correctly.
As a rule of thumb, use WHERE before GROUP BY and HAVING after GROUP BY. It is a rather primitive rule, but it is useful in more than 90% of the cases.
While you're at it, you may want to re-write your query using ANSI version of the join:
SELECT L.LectID, Fname, Lnam...
Check if a number is int or float
... isinstance(False, (int, float)) = True), I needed not isinstance(n, bool) and isinstance(n, (int, float)) instead
– YTZ
Jun 7 at 16:53
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How to run crontab job every week on Sunday
...on Sunday. I think the following should work, but I'm not sure if I understand correctly. Is the following correct?
10 Answ...
Scala 2.8 breakOut
...at]) : That
Note that it has two parameters. The first is your function and the second is an implicit. If you do not provide that implicit, Scala will choose the most specific one available.
About breakOut
So, what's the purpose of breakOut? Consider the example given for the question, You tak...