Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

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For questions about built-in search functionality of this site and about searching this site using external search engines.

Often maligned, but often helpful, search helps you find things already asked.

Content copiers and scrapers

If you've seen a question or answer from a Stack Exchange site turn up on another, and it does not follow the rules of attribution, report that as explained here.

Usage

For a glance at if your question has already been asked (and most likely it has) be sure to make use of the search.

The plus (+) modifier works well here in refining your results. For example, you have a question about a donkey and fetching water. The search you start could be something like:

+donkey +water

For more search tips, visit the Advanced Ninja Search page.

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Elasticsearch powers the search used on Stack Exchange sites.

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