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RequestDispatcher.forward() vs HttpServletResponse.sendRedirect()
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When we use the forward method, the request is transferred to another resource within the same server for further processing.
In the case of forward, the web container handles all processing internally and the client or browser is not involved.
When forward is called on the reque...
How do I run Redis on Windows?
How do I run Redis on Windows? The Redis download page just seems to offer *nix options.
35 Answers
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Send message to specific client with socket.io and node.js
...et.io and node.js and until now it seems pretty good, but I don't know how to send a message from the server to an specific client, something like this:
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How and where are Annotations used in Java?
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Annotations are meta-meta-objects which can be used to describe other meta-objects. Meta-objects are classes, fields and methods. Asking an object for its meta-object (e.g. anObj.getClass() ) is called introspection. The introspection can go further and we can ask a meta-objec...
How to think in data stores instead of databases?
As an example, Google App Engine uses Google Datastore, not a standard database, to store data. Does anybody have any tips for using Google Datastore instead of databases? It seems I've trained my mind to think 100% in object relationships that map directly to table structures, and now it's hard t...
What is this Javascript “require”?
I'm trying to get Javascript to read/write to a PostgreSQL database. I found this project on github. I was able to get the following sample code to run in node.
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How to import a Python class that is in a directory above?
I want to inherit from a class in a file that lies in a directory above the current one.
7 Answers
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When NOT to use Cassandra?
There has been a lot of talk related to Cassandra lately.
18 Answers
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Is there any way to git checkout previous branch?
... - for git. If I am in branch master and I checkout foo , I would love to be able to type something like git checkout - to go back to master , and be able to type it again to return to foo .
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angular.service vs angular.factory
I have seen both angular.factory() and angular.service() used to declare services; however, I cannot find angular.service anywhere in official documentation.
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