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“Instantiating” a List in Java? [duplicate]
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How do I (or can I) SELECT DISTINCT on multiple columns?
I need to retrieve all rows from a table where 2 columns combined are all different. So I want all the sales that do not have any other sales that happened on the same day for the same price. The sales that are unique based on day and price will get updated to an active status.
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module unsafe for SAFESEH image C++
I am using Microsoft Visual Studio 2011 Professional Beta
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How to convert a ruby hash object to JSON?
How to convert a ruby hash object to JSON? So I am trying this example below & it doesn't work?
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Git, How to reset origin/master to a commit?
I reset my local master to a commit by this command:
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R - Markdown avoiding package loading messages
I have been using Knitr via R-Studio, and think it is pretty neat. I have a minor issue though. When I source a file in an R-Chunk, the knitr output includes external comments as follows:
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How does TransactionScope roll back transactions?
I'm writing an integration test where I will be inserting a number of objects into a database and then checking to make sure whether my method retrieves those objects.
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How does Haskell printf work?
Haskell's type safety is second to none only to dependently-typed languages. But there is some deep magic going on with Text.Printf that seems rather type-wonky.
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How can I tell if my server is serving GZipped content?
I have a webapp on a NGinx server. I set gzip on in the conf file and now I'm trying to see if it works. YSlow says it's not, but 5 out of 6 websites that do the test say it is. How can I get a definite answer on this and why is there a difference in the results?
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TypeScript typed array usage
I have a TypeScript class definition that starts like this;
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