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updating table rows in postgres using subquery
Using postgres 8.4, My goal is to update existing table:
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How to implement __iter__(self) for a container object (Python)
I have written a custom container object.
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INSERT INTO … SELECT FROM … ON DUPLICATE KEY UPDATE
I'm doing an insert query where most of many columns would need to be updated to the new values if a unique key already existed. It goes something like this:
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
I've already read the question and answers to What design decisions would favour Scala's Actors instead of JMS? .
3 Answer...
jQuery slide left and show
I extended the jQuery effects called slideRightShow() and slideLeftHide() with a couple functions that work similarly to slideUp() and slideDown() as seen below. However, I would also like to implement slideLeftShow() and slideRightHide() .
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Heroku error: “Permission denied (public key)”
I keep getting this error. I am using Mac. I generated a key and added it to heroku using
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Mercurial .hgignore for Visual Studio 2010 projects
Not to be confused with Mercurial .hgignore for Visual Studio 2008 projects
2 Answers
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Target elements with multiple classes, within one rule
I have some HTML that would have elements with multiple classes, and I need to assign them within one rule, so that the same classes could be different within different containers. Say I have this in my CSS:
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Windows batch: echo without new line
What is the Windows batch equivalent of the Linux shell command echo -n which suppresses the newline at the end of the output?
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Rails server says port already used, how to kill that process?
I'm on a mac, doing:
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