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Why would I use a templating engine? jsp include and jstl vs tiles, freemarker, velocity, sitemesh
...out nowadays.
JSP 2+
People claiming that JSP will make it hard to avoid Java code in templates is bogus. You just shouldn't do it and with this version it's unnecessary to do so. Version 2 supports calling methods using EL which is a big advantage compared to previous versions.
With JSTL tags yo...
ActiveMQ or RabbitMQ or ZeroMQ or [closed]
...ly, all 3 products:
have client apis for the most common languages (C++, Java, .Net, Python, Php, Ruby, …)
have strong documentation
are actively supported
share
edited A...
Pick a random value from an enum?
...
Arrays in Java are mutable so if you have a array field and return it in a public method the caller can modify it and it modifies the private filed so you need to defensively copy the array. If you call that method lots of times it can...
Find Oracle JDBC driver in Maven repository
... file which in this case is
http://www.oracle.com/technology/software/tech/java/sqlj_jdbc/index.html.
Once you've downloaded the JAR just add it to your computer repository with (note I pulled the groupId, artifactId and version from the POM):
mvn install:install-file -DgroupId=com.oracle -Dartifa...
Solving a “communications link failure” with JDBC and MySQL [duplicate]
...number
interactive_timeout = number
connect_timeout = number
Make sure Java isn't translating 'localhost' to [:::1] instead of [127.0.0.1]
Since MySQL recognizes 127.0.0.1 (IPv4) but not :::1 (IPv6)
This could be avoided by using one of two approaches:
Option #1: In the connection string us...
Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]
...
In Java 8 there is another solution available by using java.util.Optional and the ifPresent-method.
Optional.ofNullable(list1).ifPresent(l -> l.forEach(item -> {/* do stuff */}));
So, not a solution for the exact proble...
What is an xs:NCName type and when should it be used?
... How can I convert that expression to a programming language like Java or JS?
– calbertts
May 4 '16 at 20:14
...
Difference between web reference and service reference?
...posters indicate that it is only ASMX, but Web References can also talk to Java-based Web Services or Python-based or Ruby so long as they all talk WSDL and conform to the WS-I interoperability standard).
A Service Reference will create a client proxy class that communicates with a WCF-based servic...
How to sort a List alphabetically using Object name field
...Name().compareTo(object2.getName());
}
});
}
Or if you are using Java 1.8
list
.stream()
.sorted((object1, object2) -> object1.getName().compareTo(object2.getName()));
One final comment -- there's no point in checking the list size. Sort will work on an empty list.
...
How to avoid type safety warnings with Hibernate HQL results?
...ngs for unavoidable problems
In Eclipse, go to Window>Preferences>Java>Compiler>Errors/Warnings and under Generic type, select the checkbox
Ignore unavoidable generic type problems due to raw APIs
This will turn off unnecessary warnings for similar problems like the one described ab...