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java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare();
...ations like dialog opening or Toast here
}
});
}
}.start();
LOOPER
Class used to run a message loop for a thread. Threads by default do not have a message loop associated with them; to create one, call prepare() in the thread that is to run the loop, and then loop() to hav...
How do you calculate the average of a set of circular data? [closed]
...ion 90deg I will have moved in the direction 26.56 deg relative to where I started. In this sense 26.56 makes much more sense as the average direction of {0,0,90} deg than 30 deg. The algebraic average is just one of many possible averages (see en.wikipedia.org/wiki/Mean )-- and it seems quite irre...
Site does not exist error for a2ensite
...he .conf at the end, like this
IncludeOptional sites-enabled/*
and restart the server.
(I tried this only in the Ubuntu 13.10, when I updated it.)
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How to find an available port?
I want to start a server which listen to a port. I can specify port explicitly and it works. But I would like to find a port in an automatic way. In this respect I have two questions.
...
How exactly do Django content types work?
...
So you want to use the Content Types framework on your work?
Start by asking yourself this question: "Do any of these models need to be related in the same way to other models and/or will I be reusing these relationships in unforseen ways later down the road?" The reason why we ask thi...
What is the yield keyword used for in C#?
... implements the IEnumerable<object> interface. If a calling function starts foreaching over this object, the function is called again until it "yields". This is syntactic sugar introduced in C# 2.0. In earlier versions you had to create your own IEnumerable and IEnumerator objects to do stuff ...
How do you do a deep copy of an object in .NET? [duplicate]
...on == "Lamborghini");
var sw = new Stopwatch();
sw.Start();
int total = 0;
for (int i = 0; i < 100000; i++)
{
var n = Bob.DeepCopy();
total += n.Age;
}
Console.Write(" Elapsed time...
How to use Fiddler to monitor WCF service
.../127.0.0.1:8888" />
</defaultProxy>
</system.net>
then Start Fiddler on the WEBSERVER machine.
Click Tools | Fiddler Options => Connections => adjust the port as 8888.(allow remote if you need that)
Ok, then from file menu, capture the traffic.
That's all, but don't forg...
Remove the last line from a file in Bash
...lete the top line use this:
tail -n +2 foo.txt
which means output lines starting at line 2.
Do not use sed for deleting lines from the top or bottom of a file -- it's very very slow if the file is large.
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Standard Android Button with a different color
...gt;
<shape>
<gradient
android:startColor="@color/yellow1"
android:endColor="@color/yellow2"
android:angle="270" />
<stroke
android:width="3dp"
android:color="@color/grey05" ...