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How to detect orientation change in layout in Android?
...ecreated when you switch to landscape. Instead, onConfigurationChanged is called. If this is undesired, you could use a variable to remember your activity's orientation and every time you go though onPause (for example) to check if the orientation is still the same.
– Elena
...
How to get relative path from absolute path
...ow an exception if the file or path doesn't exist since this could be a totally legal case.
– VVS
Jun 2 '09 at 12:01
2
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How to create CSV Excel file C#? [closed]
... public void ExportToFile(string path)
{
File.WriteAllText(path, Export());
}
//export as binary data.
public byte[] ExportToBytes()
{
return Encoding.UTF8.GetBytes(Export());
}
//get the csv value for field.
...
What is the 'instanceof' operator used for in Java?
... Dog is Dog
dog instanceof Object // true - Object is the parent type of all objects
However, with Object animal = new Animal();,
animal instanceof Dog // false
because Animal is a supertype of Dog and possibly less "refined".
And,
dog instanceof Cat // does not even compile!
This is beca...
How to add to the PYTHONPATH in Windows, so it finds my modules/packages?
I have a directory which hosts all of my Django apps ( C:\My_Projects ). I want to add this directory to my PYTHONPATH so I can call the apps directly.
...
Responsively change div size keeping aspect ratio [duplicate]
...tio, but if I want the same effect with another element, is it possible at all to tie the width and the height together using percentage?
...
Cleaning `Inf` values from an R dataframe
...ption 1
Use the fact that a data.frame is a list of columns, then use do.call to recreate a data.frame.
do.call(data.frame,lapply(DT, function(x) replace(x, is.infinite(x),NA)))
Option 2 -- data.table
You could use data.table and set. This avoids some internal copying.
DT <- data.table(dat)...
How do I create a random alpha-numeric string in C++?
...
C++11 allows you to separate the generator from the engine, but what is best depends on what the needs of your application are. This is why my first snippet uses rand and the second does not.
– Carl
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LaTeX source code listing like in professional books
...
It seems to me that what you really want, is to customize the look of the captions. This is most easily done using the caption package. For instructions how to use this package, see the manual (PDF). You would probably need to create your own custom captio...
How to store custom objects in NSUserDefaults
... class, and I need to them to last between sessions. Before I was putting all my information in NSUserDefaults , but this isn't working.
...