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What is the difference between == and equals() in Java?
I wanted to clarify if I understand this correctly:
23 Answers
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Performance differences between debug and release builds
... must admit, that usually I haven't bothered switching between the Debug and Release configurations in my program, and I have usually opted to go for the Debug configuration, even when the programs are actually deployed at the customers place.
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Is there hard evidence of the ROI of unit testing?
...s that is has significant value. I have to convince the other programmers and, more importantly, the bean-counters in management, that all the extra time spent learning the testing framework, writing tests, keeping them updated, etc.. will pay for itself, and then some.
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What does the red exclamation point icon in Eclipse mean?
...fferent search results on the Internet about "red exclamation point icons" and "red exclamation mark decorators" and "red bang icons," no doubt because lots of plugins and programming-related tools use red exclamation point icons. So, to be clear, this is the one I mean:
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NuGet auto package restore does not work with MSBuild
...NuGet team's recommended approach to Package Restore within Visual Studio, and it was introduced in NuGet 2.7.
Beginning with NuGet 2.7, the NuGet Visual Studio extension integrates into Visual Studio's build events and restores missing packages when a build begins. This feature is enabled by defa...
I lost my .keystore file?
... able to retrieve the source code, but not the .keystore file used to sign and publish my application to the market (with several updates). Am I, and my poor users, out of luck if I ever want to update?
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Unable to open project… cannot be opened because the project file cannot be parsed
...ile to create an iPhone app. Today when my battery was low, I was working and constantly saving my source files then the power went out...
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Hibernate: hbm2ddl.auto=update in production?
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Also updating a db schema should be handled by the professionals ( dbas ). Recovering from a bad db change is difficult at best. Vova didn't mention it - but what happens if hibernate's update decides to drop a column and re-add it because the type or size chan...
Spring AOP vs AspectJ
...LTW (load-time weaving) or the AspectJ compiler.
It uses the Proxy pattern and the Decorator
pattern
Spring-AOP Cons
This is proxy-based AOP, so basically you can only use method-execution joinpoints.
Aspects aren't applied when calling another method within the same class.
There can be a little...
How to call a stored procedure from Java and JPA
I am writing a simple web application to call a stored procedure and retrieve some data.
Its a very simple application, which interacts with client's database. We pass employee id and company id and the stored procedure will return employee details.
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