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No tests found with test runner 'JUnit 4'

...by renaming one of the test methods to start with "test..." (JUnit3 style) and then all tests are found. I renamed it back to what it was previously, and it still works. share | improve this answer ...
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Add Keypair to existing EC2 instance

...gain SSH access to these instances, is it possible to create a new Keypair and apply it to the instances so I can SSH in? Obtaining the exisiting pem file for the keypair the instances were created under is currently not an option. ...
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What is the difference between `throw new Error` and `throw someObject`?

I want to write a common error handler which will catch custom errors thrown on purpose at any instance of the code. 9 Answ...
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How to handle many-to-many relationships in a RESTful API?

Imagine you have 2 entities, Player and Team , where players can be on multiple teams. In my data model, I have a table for each entity, and a join table to maintain the relationships. Hibernate is fine at handling this, but how might I expose this relationship in a RESTful API? ...
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Switch on ranges of integers in JavaScript [duplicate]

... than five"); break; case (x < 9): alert("between 5 and 8"); break; case (x < 12): alert("between 9 and 11"); break; default: alert("none"); break; } ...
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How to create a directory and give permission in single command

How to create a directory and give permission in single command in Linux? 8 Answers 8 ...
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Difference between setTimeout with and without quotes and parentheses

I am learning JavaScript and I have learned recently about JavaScript timing events. When I learned about setTimeout at W3Schools , I noticed a strange figure which I didn’t run into before. They are using double quotes and then call the function. ...
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Apache Kafka vs Apache Storm

... You use Apache Kafka as a distributed and robust queue that can handle high volume data and enables you to pass messages from one end-point to another. Storm is not a queue. It is a system that has distributed real time processing abilities, meaning you can exec...
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multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of

...ayer.But what is the criteria for choosing number of hidden layer in a MLP and how many neural nodes in 1 hidden layer? 4 A...
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What are WSDL, SOAP and REST?

... A WSDL is an XML document that describes a web service. It actually stands for Web Services Description Language. SOAP is an XML-based protocol that lets you exchange info over a particular protocol (can be HTTP or SMTP, for example) between applications. It stands for Simple Object Access Pr...