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What are the differences between .gitignore and .gitkeep?
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.gitkeep isn’t documented, because it’s not a feature of Git.
Git cannot add a completely empty directory. People who want to track empty directories in Git have created the convention of putting files called .gitkeep in these directories. The file co...
How do I squash two non-consecutive commits?
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You can run git rebase --interactive and reorder D before B and squash D into A.
Git will open an editor, and you see a file like this, ex: git rebase --interactive HEAD~4
pick aaaaaaa Commit A
pick bbbbbbb Commit B
pick cccccc...
How to slice an array in Bash
...y slicing like in Python (From the rebash library):
array_slice() {
local __doc__='
Returns a slice of an array (similar to Python).
From the Python documentation:
One way to remember how slices work is to think of the indices as pointing
between elements, with the left edge of...
Where is a complete example of logging.config.dictConfig?
...to use dictConfig , but the documentation is a little bit abstract. Where can I find a concrete, copy+paste-able example of the dictionary used with dictConfig ?
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KnockOutJS - Multiple ViewModels in a single View
I'm thinking that my application is getting quite large now, too large to handle each View with a single ViewModel.
5 Answe...
angularJS: How to call child scope function in parent scope
How can call a method defined in child scope from its parent scope?
4 Answers
4
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Disable a Maven plugin defined in a parent POM
...POM that defines a plugin that I do not want to be run in a child POM. How can I disable the plugin in the child pom completely?
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Storyboard - refer to ViewController in AppDelegate
...y inspector. Now how am I going to refer to this ViewController programmatically from the AppDelegate? I've made a variable with the relevant class and turned it into an IBOutlet property, but I don't see any way of being able to refer to the new ViewController in code - any attempt to ctrl-drag a c...
How can I use a local image as the base image with a dockerfile?
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You can use it without doing anything special. If you have a local image called blah you can do FROM blah. If you do FROM blah in your Dockerfile, but don't have a local image called blah, then Docker will try to pull it from the...
Rails: Default sort order for a rails model?
...s for descending (desc, NOT dsc !).
scope
Once you're used to that you can also use scope:
class Book < ActiveRecord::Base
scope :confirmed, :conditions => { :confirmed => true }
scope :published, :conditions => { :published => true }
end
For Rails 2 you need named_scope.
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