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Why do I need Transaction in Hibernate for read-only operations?
...ght be problematic. For instance Hibernate community says that working outside of transaction might cause unpredictable behavior. This is because Hibernate will open transaction, but it won't close it on its own, thus connection will be returned to the Connection Pool with transaction being not comm...
Memory management in Qt?
...aints imposed by the constructors for other reasons, however; such as in QWidget(QWidget* parent=0), where the parent must be another QWidget, due to e.g. visibility flags and because you’d do some basic layout that way; but for Qt's hierarchy system in general, you are allowed to have any QObject...
Why does Twitter Bootstrap Use Pixels for Font Size?
...
Well it seems that they are hiding behind the browser zoom excuse. Really sad to see such a heavily used and influential framework completely ignore accessibility issues and a fundamental cornerstone of responsive design. They are in a position of great ...
Why Func instead of Predicate?
...ators. As of .net 3.5, about using Func<T> and Action<T> the guideline states:
Do use the new LINQ types Func<> and
Expression<> instead of custom
delegates and predicates
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What are fixtures in programming?
... software test fixture sets up the system for the testing process by
providing it with all the necessary code to initialize it, thereby
satisfying whatever preconditions there may be. An example could be
loading up a database with known parameters from a customer site
before running your tes...
bash HISTSIZE vs. HISTFILESIZE?
...gh, I think. Most people won't reach the end of it. I think you should consider summarizing it
– slezica
Jun 7 '14 at 0:44
22
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Android: Difference between Parcelable and Serializable?
Why does Android provide 2 interfaces for serializing objects? Do Serializable objects interopt with Android Binder and AIDL files?
...
How to resize superview to fit all subviews with autolayout?
... call it against your cell contentView and grab the height.
Further considerations exist if you have one or more UILabel's in your view that are multiline. For these it is imperitive that the preferredMaxLayoutWidth property be set correctly such that the label provides a correct intrinsicConten...
How to check if a table exists in a given schema
... to (by way of being the owner or having some privilege).
The query provided by @kong can return FALSE, but the table can still exist. It answers the question:
How to check whether a table (or view) exists, and the current user has access to it?
SELECT EXISTS (
SELECT FROM information_schema...
What is the difference between mocking and spying when using Mockito?
...mailing list, partial mock support was added to Mockito. Previously we considered partial mocks as code smells. However, we found a legitimate use case for partial mocks.
Before release 1.8 spy() was not producing real partial mocks and it was confusing for some users. Read more about spying: here o...