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What are the main performance differences between varchar and nvarchar SQL Server data types?
... most applications. However, if you need to support double-byte languages and you only have single-byte support in your database schema it's really expensive to go back and modify throughout your application.
The cost of migrating one application from varchar to nvarchar will be much more than t...
What's the difference between git reset --mixed, --soft, and --hard?
I'm looking to split a commit up and not sure which reset option to use.
14 Answers
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Is Java really slow?
... specific areas where it can beat common compiled languages (if they use standard libraries).
There is no excuse for "slow" Java applications now. Developers and legacy code/libraries are to blame, far more than the language. Also, blame anything 'enterprise.'
In fairness to the "Java is slow" cro...
CruiseControl [.Net] vs TeamCity for continuous integration?
...nsider better, based on practical experience. I'm planning to do some .Net and some Java development, so I would like to have a tool that supports both these platforms.
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Is it possible to use Java 8 for Android development?
Searching the web, it is not clear if Java 8 is supported for Android development or not.
26 Answers
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Handler vs AsyncTask vs Thread [closed]
I got slightly confused about the differences between Handlers , AsyncTask and Threads in Android. I've read quite a few blogs and questions here in StackOverflow.
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Why would I use Scala/Lift over Java/Spring? [closed]
...pen but I have been looking at Scala/Lift as an alternative to Java/Spring and I wonder what are the real advantages that Scala/Lift has over it. From my perspective and experience, Java Annotations and Spring really minimizes the amount of coding that you have to do for an application. Does Scala/L...
Why does modern Perl avoid UTF-8 by default?
...riable to AS. This makes all Perl scripts decode @ARGV as UTF‑8 strings, and sets the encoding of all three of stdin, stdout, and stderr to UTF‑8. Both these are global effects, not lexical ones.
At the top of your source file (program, module, library, dohickey), prominently assert that you are...
Difference between classification and clustering in data mining? [closed]
Can someone explain what the difference is between classification and clustering in data mining?
21 Answers
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Difference between DTO, VO, POJO, JavaBeans?
...JavaBean is a Java Object that is serializable, has a nullary constructor, and allows access to properties using getter and setter methods.
In order to function as a JavaBean class, an object class must obey certain conventions about method naming, construction, and behavior. These conventions ...