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postgresql return 0 if returned value is null
I have a query that returns avg(price)
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How do you pass arguments to define_method?
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Applying a git post-commit hook to all current and future repos
I've written a Git post-commit hook and it works correctly. However, I want to add this hook to apply to all current (and future) git repositories I am working on. I tried adding the hook to my ~/.git/hooks/ instead of in the hooks directory in the project directory, however, this did not seem t...
Using multiple let-as within a if-statement in Swift
I'm unwrapping two values from a dictionary and before using them I have to cast them and test for the right type. This is what I came up with:
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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
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Django Cookies, how can I set them?
I have a web site which shows different content based on a location
the visitor chooses. e.g: User enters in 55812 as the zip. I know what
city and area lat/long. that is and give them their content pertinent
to that area. My question is how can I store this in a cookie so that
when they return they...
How do I find the most recent git commit that modified a file?
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ActiveRecord: size vs count
... Model.count . If you're dealing with more complex queries is there any advantage to using one method over the other? How are they different?
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How can I decompress a gzip stream with zlib?
...lgorithm, which is the same compression algorithm as what zlib uses. However, when using zlib to inflate a gzip compressed file, the library returns a Z_DATA_ERROR .
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