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ActiveRecord, has_many :through, and Polymorphic Associations
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How to escape quote marks in Exec Command in MSBuild
I'm trying to build an MSBuild script that maps a network drive to a drive letter in the script, but unfortunately the path to the target folder includes an embedded space. The embedded space causes the mapping to fail, and I don't know if it is possible to escape quotes around the path. I've trie...
Is it safe to ignore the possibility of SHA collisions in practice?
Let's say we have a billion unique images, one megabyte each.
We calculate the SHA-256 hash for the contents of each file.
The possibility of collision depends on:
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Does running git init twice initialize a repository or reinitialize an existing repo?
What happens to an existing git repository when you issue git init again?
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Programmatically Request Access to Contacts
Since updating to iOS 6 I've noticed that my code to add a contact to iPhone's address book no longer works. I believe this is a permission related problem, since Apple now requires user permission before accessing contacts (fixing this issue).
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django models selecting single field
I have a table/models called Employees and I would like to get all rows of a single field as a queryset.
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PHP filesize MB/KB conversion [duplicate]
How can I convert the output of PHP's filesize() function to a nice format with MegaBytes, KiloBytes etc?
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Why does Internet Explorer not send HTTP post body on Ajax call after failure?
We are able to reliably recreate the following scenario:
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How do you run a single query through mysql from the command line?
I'm looking to be able to run a single query on a remote server in a scripted task.
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How to un-commit last un-pushed git commit without losing the changes
Is there a way to revert a commit so that my local copy keeps the changes made in that commit, but they become non-committed changes in my working copy? Rolling back a commit takes you to the previous commit - I want to keep the changes made but I committed them to the wrong branch.
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