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Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
I want to create a default value for an attribute by defining it in ActiveRecord. By default everytime the record is created, I want to have a default value for attribute :status . I tried to do this:
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How do I check that multiple keys are in a dict in a single pass?
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+1, I like this better than Greg's answer because it's more concise AND faster (no building of irrelevant temporary list, AND full exploitation of short-circuiting).
– Alex Martelli
Aug 17 '09 at 2:34
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MVC pattern on Android
Is it possible to implement the model–view–controller pattern in Java for Android?
21 Answers
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Android Studio vs Eclipse + ADT Plugin? [closed]
...e for using IntelliJ over Android Studio is if you're using the Ultimate edition. It has a lot more plugins that you can use with the IDE. If you're using the Ultimate edition already and don't want to use two IDE's simultaneously, there is no reason to switch over to Android Studio (except bleeding...
Can I squash commits in Mercurial?
I have a pair of commits that should really be just one. If I was using git, I would use:
8 Answers
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How to check in Javascript if one element is contained within another
... answers as well.
Old answer:
Using the parentNode property should work. It's also pretty safe from a cross-browser standpoint. If the relationship is known to be one level deep, you could check it simply:
if (element2.parentNode == element1) { ... }
If the the child can be nested arbitrarily d...
Malloc vs new — different padding
...r communications between (potentially) different machines on different architectures. He's written a comment that says something along the lines of:
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Autocompletion in Vim
...tshell, I'm searching for a working autocompletion feature for the Vim editor. I've argued before that Vim completely replaces an IDE under Linux and while that's certainly true, it lacks one important feature: autocompletion.
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Installing a local module using npm?
I have a downloaded module repo, I want to install it locally, not globally in another directory?
7 Answers
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SFTP in Python? (platform independent)
...'m working on a simple tool that transfers files to a hard-coded location with the password also hard-coded. I'm a python novice, but thanks to ftplib, it was easy:
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