Move Solr Core to Another Server

I was need to move solr installation from one server to another. I can not do any reindexing from the beginning because its fairly large collection, about 15 million and I don’t know how much time will it takes to do it from beginning. So I need to move the index data as well.

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A Way to Do Group By

How do you do Group By in SQL ? (or MySql) ? This post is note about my experience writing query in sql, There is worth-to-note something about ‘Group By’, there is may be better way to do it.

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Jekyll Again

I actually already aware about static site generator far years ago, and already used once, Jekyll. And then, I need to learn another then I try some other static site generator. One can consider this as wasting time, but, I don’t know. This might give me some experience by changing blog engine all the time.

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Go for Nodejs Developer: Middlewares

I code in nodejs daily, end then comes everybody learn Go, maybe because most of decacorn start up company in my neighborhood uses Go, then here I am, learn Go as well. Not to mention that in fact we should always learn new(any)thing to survive, and Why should you learn Go ? mentions its something that fit future hardware architecture, nothing to lose to learn Go by the way.

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