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SQL JOIN vs IN performance?
I have a case where using a JOIN or an IN will give me the correct results... Which typically has better performance and why? How much does it depend on what database server you are running? (FYI I am using MSSQL)
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Eclipse JPA Project Change Event Handler (waiting)
Why am I getting 'JPA Project Change Event Handler (waiting)', whenever I try to build my project.
9 Answers
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Difference between len() and .__len__()?
...h case is which. (Sometimes an error slips in: until 2.5, you had to call foo.next() -- in 2.6, while that still works for backwards compatibility, you should call next(foo), and in 3.*, the magic method is correctly named __next__ instead of the "oops-ey" next!-).
So the general rule should be to...
Get a list of URLs from a site [closed]
I'm deploying a replacement site for a client but they don't want all their old pages to end in 404s. Keeping the old URL structure wasn't possible because it was hideous.
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How can I dynamically create derived classes from a base class
...g (anything?) to fill the gap would suffice. For example, obj = SubClass('foo') runs without error.
– DaveL17
Oct 3 '17 at 12:16
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Capybara Ambiguity Resolution
How do I resolve ambiguity in Capybara? For some reason I need links with the same values in a page but I can't create a test since I get the error
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How to make “if not true condition”?
I would like to have the echo command executed when cat /etc/passwd | grep "sysa" is not true.
6 Answers
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How do you deploy your ASP.NET applications to live servers?
I am looking for different techniques/tools you use to deploy an ASP.NET web application project ( NOT ASP.NET web site) to production?
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What are invalid characters in XML
I am working with some XML that holds strings like:
15 Answers
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