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What are the possible values of the Hibernate hbm2ddl.auto configuration and what do they do
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From the community documentation:
hibernate.hbm2ddl.auto Automatically validates or exports schema DDL to the database when the SessionFactory is created. With create-drop, the database schema will be dropped when the Ses...
How do I find the next commit in git? (child/children of ref)
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To list all the commits, starting from the current one, and then its child, and so on - basically standard git log, but going the other way in time, use something like
git log --reverse --ancestry-path 894e8b4e93d8f3^..master
where 894e8b4e93d8f3 is the fi...
How to append multiple values to a list in Python
... use the sequence method list.extend to extend the list by multiple values from any kind of iterable, being it another list or any other thing that provides a sequence of values.
>>> lst = [1, 2]
>>> lst.append(3)
>>> lst.append(4)
>>> lst
[1, 2, 3, 4]
>>&...
How do you crash a JVM?
...t() which terminates the JVM immediately without proper cleanup. But apart from that, native code and resource exhaustion are the most likely answers. Alternatively you can go looking on Sun's bug tracker for bugs in your version of the JVM, some of which allow for repeatable crash scenarios. We use...
What does @: (at symbol colon) mean in a Makefile?
...) then in addition to @guestolio's answer it could also be a leftover stub from development. It's like writing a function in Python that only contains pass. It can be useful for stubbing blocks of code for copy/paste but they generally shouldn't exist for long. When stubbing this way the file wou...
How to tell when UITableView has completed ReloadData?
...: and tableView:numberOfRowsInSection: to its data source before returning from reloadData. If the delegate implements tableView:heightForRowAtIndexPath:, the table view also sends that (for each row) before returning from reloadData.
However, the table view does not send tableView:cellForRowAtInd...
Why are two different concepts both called “heap”?
...ion. And this becomes a rather much more interesting "why". The name comes from the fact nodes are arranged by their key and a parent node key is always >= than its child node.
– Alexandre Bell
Nov 9 '09 at 4:57
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Why are empty strings returned in split() results?
...er-joined records (such as csv file lines [[net of quoting issues]], lines from /etc/group in Unix, and so on), it allows (as @Roman's answer mentioned) easy checks for (e.g.) absolute vs relative paths (in file paths and URLs), and so forth.
Another way to look at it is that you shouldn't wantonly...
Building big, immutable objects without using constructors having long parameter lists
...ate the interfaces that it exposes to mutable and immutable. This is taken from the Swing library design.
public interface Foo {
X getX();
Y getY();
}
public interface MutableFoo extends Foo {
void setX(X x);
void setY(Y y);
}
public class FooImpl implements MutableFoo {...}
public SomeC...
What is the difference between integration testing and functional testing? [closed]
...ill never find agreement. The problem is that most developers define these from their own point of view. It's very similar to the debate over Pluto. (If it were closer to the Sun, would it be a planet?)
Unit testing is easy to define. It tests the CUT (Code Under Test) and nothing else. (Well, as l...