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Should I instantiate instance variables on declaration or in the constructor?
...s.load(Thread.currentThread().getContextClassLoader().getResourceAsStream("file.properties"));
} catch (IOException e) {
throw new ConfigurationException("Failed to load properties file.", e); // It's a subclass of RuntimeException.
}
}
// ...
}
...
How to duplicate a git repository? (without forking)
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If you just want to create a new repository using all or most of the files from an existing one (i.e., as a kind of template), I find the easiest approach is to make a new repo with the desired name etc, clone it to your desktop, then just add the files and folders you want in it.
You don't g...
Dependency Injection vs Factory Pattern
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+1 @willcode thanks! So you have to change config/xml files instead. I see. The wiki link en.wikipedia.org/wiki/… defines the factory pattern as Manually-Injected Dependency
– gideon
Dec 15 '10 at 3:16
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git rebase without changing commit timestamps
...timestamp and commit message of all the commits which will be rebased to a file.
#NOTE: BASE is the commit where your rebase begins
git log --pretty='%ct %at %s' BASE..HEAD > hashlog
Then, let the actual rebase take place.
Finally, we replace the current committer's timestamp with the one rec...
Change a column type from Date to DateTime during ROR migration
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rails g migration change_date_format_in_my_table
Then in your migration file:
For Rails >= 3.2:
class ChangeDateFormatInMyTable < ActiveRecord::Migration
def up
change_column :my_table, :my_column, :datetime
end
def down
change_column :my_table, :my_column, :date
end
end
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How can I correctly prefix a word with “a” and “an”?
...ntirely serious, but I have done something like this, and wikipedia's .xml file with raw wikimarkup is just on the order of 40GB (the newest one is always a bit bigger), not 2.8TB - all in one file - don't download the expanded .html version or any images, maybe that's the version that's 2.8TB? In ...
Undo a particular commit in Git that's been pushed to remote repos
...ants to revert a merge: git revert will undo all the data changes (ie, the file changes will get reverted), but the the merge still remains in the history. Because of this if you try to merge that same branch in again later it won't include any commits from the merging branch prior to the reverted m...
How does JavaFX compare to WPF? [closed]
...t typically you would bind to an event in the associated controller.
FXML files can have an associated controller which allows you to declare complex event handlers and to set up bindings between properties. This is a controller in the MVC sense and is not the same as a viewModel in the WPF world (...
Fastest way to serialize and deserialize .NET objects
...ut take them from your actual types. This is one of the reasons the target files are much smaller. The documentation explains all of this. I've been using it for some time now, and if you need fast (de)serialization and small target files, protobuf really is the way to go.
– Pi...
ASP.NET MVC Razor: How to render a Razor Partial View's HTML inside the controller action
... class. Using a third party library called "RazorEngine" you can use .Net file IO to get the contents of the razor file and call
string html = Razor.Parse(razorViewContentString, modelObject);
Get the third party library here.
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