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Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
...ough a
foreign key, but have not yet been
saved. Note: This only works if an
associated object already exists, not
if it‘s nil!
The answer to building in the opposite direction is a slightly altered syntax. In your example with the dogs,
Class Dog
has_many :tags
belongs_to :person...
Why does Math.Floor(Double) return a value of type Double?
...t it returns an integer value. Am I missing something here? Or is there a different way to achieve what I'm looking for?
6 ...
Write string to output stream
...can be writing to memory or any other output destination; therefore, I specified OutputStream as (an) argument in the method.
...
Specify format for input arguments argparse python
... other question that you edited out can you point me to the documentation (if any) for that?
– Sohaib
Aug 24 '14 at 10:58
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Android detect Done key press for OnScreen Keyboard
...boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_DONE) {
// do your stuff here
}
return false;
}
});
Note that you will have to import the following libraries:
import android.view.KeyEvent;
import andr...
Java Persistence / JPA: @Column vs @Basic
What is the difference between @Column and @Basic annotations in JPA? Can they be used together? Should they be used together? Or does one of them suffice?
...
How do I read / convert an InputStream into a String in Java?
If you have a java.io.InputStream object, how should you process that object and produce a String ?
59 Answers
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Generating a list of which files changed between hg versions
...:y
where x and y are desired revision numbers (or tag or branch names).
If you are using the terminal in windows add hg status --rev x:y> your-file.txt to save the list to a file.
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impr...
What is “stdafx.h” used for in Visual Studio?
...lick: although every CPP file can potentially and legally give a sligthly different meaning to the chain of header files included on top of each Cpp file (by things like having different macros #define'd in advance of the includes, or by including the headers in different order), that is most often ...
How to catch SQLServer timeout exceptions
I need to specifically catch SQL server timeout exceptions so that they can be handled differently. I know I could catch the SqlException and then check if the message string Contains "Timeout" but was wondering if there is a better way to do it?
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