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HttpServletRequest - how to obtain the referring URL?
I need to log URLs that are linking to my site in a Java Servlet.
4 Answers
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Dual emission of constructor symbols
Today, I discovered a rather interesting thing about either g++ or nm ...constructor definitions appear to have two entries in libraries.
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redis-py : What's the difference between StrictRedis() and Redis()?
I want to use redis-py for caching some data, but I can't find a suitable explanation of the difference between redis.StrictRedis() and redis.Redis() . Are they equivalent?
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Query grants for a table in postgres
How can I query all GRANTS granted to an object in postgres?
7 Answers
7
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Using variables inside a bash heredoc
I'm trying to interpolate variables inside of a bash heredoc:
3 Answers
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How to get the first column of a pandas DataFrame as a Series?
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UPDATE
If you're reading this after June 2017, ix has been deprecated in pandas 0.20.2, so don't use it. Use loc or iloc instead. See comments and other answers to this question.
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How to create a directory using nerdtree
I have been using NERDTree for a while. Every time I need to create a new directory I need to go to terminal. Is there a quick and easy way to create a directory using NERDTree.
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Handle Guzzle exception and get HTTP body
... $responseBody = $exception->getResponse()->getBody(true);
}
Passing true to the getBody function indicates that you want to get the response body as a string. Otherwise you will get it as instance of class Guzzle\Http\EntityBody.
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Evaluate if list is empty JSTL
I've been trying to evaluate if this array list is empty or not but none of these have even compiled:
2 Answers
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How to quickly edit values in table in SQL Server Management Studio?
...t Top 200 Rows" from Object Explorer, is there a quick way to open a table in Edit mode where I can just quickly modify the value of a cell?
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