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How do you create a Distinct query in HQL
Is there a way to create a Distinct query in HQL. Either by using the "distinct" keyword or some other method. I am not sure if distinct is a valid keywork for HQL, but I am looking for the HQL equivalent of the SQL keyword "distinct".
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How do the Proxy, Decorator, Adapter, and Bridge Patterns differ?
I was looking at the Proxy Pattern, and to me it seems an awful lot like the Decorator, Adapter, and Bridge patterns. Am I misunderstanding something? What's the difference? Why would I use the Proxy pattern versus the others? How have you used them in the past in real world projects?
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Node.js - use of module.exports as a constructor
According to the Node.js manual:
5 Answers
5
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Dealing with “java.lang.OutOfMemoryError: PermGen space” error
Recently I ran into this error in my web application:
32 Answers
32
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Get list of all tables in Oracle?
How do I query an Oracle database to display the names of all tables in it?
23 Answers
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Find the IP address of the client in an SSH session
I have a script that is to be run by a person that logs in to the server with SSH .
19 Answers
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Execute another jar in a Java program
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If I understand correctly it appears you want to run the jars in a separate process from inside your java GUI application.
To do this you can use:
// Run a java app in a separate system process
Process proc = Runtime.getRuntime().exec("java -jar A.jar");
// Then retreive the process ...
JSONDecodeError: Expecting value: line 1 column 1 (char 0)
I am getting error Expecting value: line 1 column 1 (char 0) when trying to decode JSON.
16 Answers
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How to run test cases in a specified file?
...iple files, if I run go test <package_name> it runs all test cases in the package.
7 Answers
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Displaying the build date
I currently have an app displaying the build number in its title window. That's well and good except it means nothing to most of the users, who want to know if they have the latest build - they tend to refer to it as "last Thursday's" rather than build 1.0.8.4321.
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