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When to use EntityManager.find() vs EntityManager.getReference() with JPA
I have come across a situation (which I think is weird but is possibly quite normal) where I use the EntityManager.getReference(LObj.getClass(), LObj.getId()) to get a database entity and then pass the returned object to be persisted in another table.
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Node.js EACCES error when listening on most ports
...ng out an app (hopefully to run on heroku, but am having issues locally as well). It's giving me an EACCES error when it runs http.Server.listen() - but it only occurs on some ports.
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Is there a limit on how much JSON can hold?
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Difference between “module.exports” and “exports” in the CommonJs Module System
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How can prepared statements protect from SQL injection attacks?
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String's Maximum length in Java - calling length() method
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Orchestration vs. Choreography
What are the differences between service orchestration and service choreography from an intra-organization point of view.
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Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib
When starting up my web site for the first time, I'm getting this error
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