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What is the difference between Fragment and FragmentActivity?
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A Fragment is a section of an Activity, which has:
its own lifecycle
receives its own input ...
How to Test a Concern in Rails
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edited Sep 24 '19 at 10:07
Rimian
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in a “using” block is a SqlConnection closed on return or exception?
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edited Mar 27 '19 at 7:39
radbyx
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Data access object (DAO) in Java
...diagram here:
http://www.oracle.com/technetwork/java/dataaccessobject-138824.html
Maybe a simple example can help you understand the concept:
Let's say we have an entity to represent an employee:
public class Employee {
private int id;
private String name;
public int getId() {
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How to checkout a specific Subversion revision from the command line?
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answered Jan 20 '12 at 15:14
rogerdpackrogerdpack
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Android Studio - Auto complete and other features not working
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How do I use vimdiff to resolve a git merge conflict?
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codebox
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answered Feb 15 '13 at 23:36
chepnerchepner
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Matplotlib Legends not working
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You should add commas:
plot1, = plt.plot(a,b)
plot2, = plt.plot(a,c)
The reason you need the commas is because plt.plot() returns a tuple of line objects, no matter how many are actually created from the command. Without the comma, "plot1" and "plot2" are tuples instead of...
NodeJS - What does “socket hang up” actually mean?
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Xcode 4: How do you view the console?
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Alisso
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answered Jul 31 '10 at 8:04
Piotr KalinowskiPiotr Kalinowski
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