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Cost of storing AMI
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Is there a way to check which CSS styles are being used or not used on a web page?
...the CSS audit tool in Chrome now for the same purpose. Some details here:
http://meeech.amihod.com/very-useful-find-unused-css-rules-with-google
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Case sensitive Cmd+D in Sublime Text 2
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INSERT INTO … SELECT FROM … ON DUPLICATE KEY UPDATE
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Retrieve column names from java.sql.ResultSet
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You can use the the ResultSetMetaData (http://java.sun.com/javase/6/docs/api/java/sql/ResultSetMetaData.html) object for that, like this:
ResultSet rs = stmt.executeQuery("SELECT * FROM table");
ResultSetMetaData rsmd = rs.getMetaData();
String firstColumnName = ...
What is the difference between a pseudo-class and a pseudo-element in CSS?
...c—they’re applied as a result of user interaction with the document. - http://reference.sitepoint.com/css/pseudoclasses. These would be things like :hover, :active, :visited.
Pseudo-elements match virtual elements that don’t exist explicitly in the document tree. Pseudo-elements can be dynami...
Check if SQL Connection is Open or Closed
...then Re-opening the connection "will refresh the value of State."
See here http://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlconnection.state(v=vs.110).aspx
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How do you pass custom environment variable on Amazon Elastic Beanstalk (AWS EBS)?
...ation -> Container
for more information check the documentation here:
http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/customize-containers-ec2.html#customize-containers-format-options
Update
To prevent committing to your repository values like API keys, secrets and so on, you can put a ...
redis-py : What's the difference between StrictRedis() and Redis()?
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Windows recursive grep command-line
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I recommend a really great tool:
native unix utils:
http://unxutils.sourceforge.net/
http://en.wikipedia.org/wiki/UnxUtils
Just unpack them and put that folder into your PATH environment variable and voila! :)
Works like a charm, and there are much more then just grep ;)
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