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Difference between solr and lucene
...t something that is ready to use out-of-the-box (even without knowledge of Java) OR
Your infrastructure requirements outweigh search customization requirements.
NOTE:
I don't mean that Solr is hard to customize. Solr is very flexible and provides a lot of pluggable API points, allowing you to th...
SQL Client for Mac OS X that works with MS SQL Server [closed]
...swer.
Native Apps
SQLPro for MSSQL
Navicat
Valentina Studio
TablePlus
Java-Based
Oracle SQL Developer (free)
SQuirrel SQL (free, open source)
Razor SQL
DB Visualizer
DBeaver (free, open source)
SQL Workbench/J (free, open source)
JetBrains DataGrip
Metabase (free, open source)
Netbeans (free,...
How do I install Maven with Yum?
...tOS 6 with one exception. It installed OpenJDK 1.6 and made it the default Java version, even though I'd already manually installed JDK 8 (possibly because I'd manually installed it). To change it back use alternatives:
alternatives --config java
alternatives --config javac
and choose the correct...
What does cmd /C mean? [closed]
I can understand cmd but not cmd /c . I was trying to invoke a java program from the current for which I use Runtime.getRuntime().exec("cmd /C java helloworld"); There arises my doubt.
...
What is a good use case for static import of methods?
...y one or two members, import them individually.
(https://docs.oracle.com/javase/8/docs/technotes/guides/language/static-import.html)
There are two parts I want to call out specifically:
Use static imports only when you were tempted to "abuse inheritance". In this case, would you have been tempt...
How does JavaFX compare to WPF? [closed]
I'm mostly a C# programmer, I stopped writing Java about 10 years ago, but I try to keep up with the technology in Java by reading articles, talking with friends, etc.
...
Working with Enums in android
...
Where on earth did you find this syntax? Java Enums are very simple, you just specify the values.
public enum Gender {
MALE,
FEMALE
}
If you want them to be more complex, you can add values to them like this.
public enum Gender {
MALE("Male", 0),
F...
Should I instantiate instance variables on declaration or in the constructor?
... of any method, so they cannot be executed as statements are. Instead, the Java compiler generates instance-field initialization code automatically and puts it in the constructor or constructors for the class. The initialization code is inserted into a constructor in the order it appears in the sour...
ArrayList initialization equivalent to array initialization [duplicate]
...u're expecting the outer class to be garbage collected.
I understand that Java 7 will provide additional language constructs to do precisely what you want.
EDIT: recent Java versions provide more usable functions for creating such collections, and are worth investigating over the above (provided a...
How do you test to see if a double is equal to NaN?
I have a double in Java and I want to check if it is NaN .
What is the best way to do this?
7 Answers
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