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css3 drop shadow under another div, z-index not working [duplicate]
i'm trying to use a drop shadow to make it look like one div (the header) is "above" another. my problem is that the "middle" div is covering the drop shadow. i tried using z-index to put the header div about the middle div, but it's not working (the shadow is still being covered). when i put a brea...
Ruby replace string with captured regex pattern
I am having trouble translating this into Ruby.
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Difference between a Seq and a List in Scala
I've seen in many examples that sometimes a Seq is being used, while other times is the List...
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How to find out what group a given user has?
In Unix/Linux, how do you find out what group a given user is in via command line?
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SSL is not enabled on the server
Trying to communicate with a postgres database with go, preparing the statement like this:
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Version vs build in Xcode
I have an app that I developed with Xcode 3 and recently started editing with Xcode 4. In the target summary I have the iOS application target form with fields: identifier, version, build, devices, and deployment target. The version field is blank and the build field is 3.4.0 (which matches the vers...
Is there a performance difference between a for loop and a for-each loop?
What, if any, is the performance difference between the following two loops?
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Python's “in” set operator
I'm a little confused about the python in operator for sets.
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mongodb/mongoose findMany - find all documents with IDs listed in array
I have an array of _ids and I want to get all docs accordingly, what's the best way to do it ?
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How to retrieve an element from a set without removing it?
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