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How do I declare an array of weak references in Swift?

I'd like to store an array of weak references in Swift. The array itself should not be a weak reference - its elements should be. I think Cocoa NSPointerArray offers a non-typesafe version of this. ...
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UnicodeEncodeError: 'latin-1' codec can't encode character

What could be causing this error when I try to insert a foreign character into the database? 9 Answers ...
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How to check if string input is a number? [duplicate]

... This lets you accept things like 4.1 when technically only 4 is valid. It is also against the python mentality to have secret conversions like this happening and I would prefer to do strict checks at my public interface – Peter R Feb 1...
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Composer killed while updating

I got a problem, I tried to install a new package to my Laravel 4 project. But when I run php composer.phar update I get this: ...
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Unable to find a locale path to store translations for file __init__.py

... Actually you can configure where the locale folder is. In your settings.py add: LOCALE_PATHS = ( PROJECT_ROOT + '/website/locale', ) Then create a folder for each of the languages you want to translate: mkdir -p website/...
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Reset Entity-Framework Migrations

... I used IgnoreChanges on the initial migration, but now I want to delete all my migrations and start with an initial migration with all of the logic. ...
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How to dynamically load a Python class

...hing like this won't work: __import__('foo.bar.baz.qux') You'd have to call the above function like so: my_import('foo.bar.baz.qux') Or in the case of your example: klass = my_import('my_package.my_module.my_class') some_object = klass() EDIT: I was a bit off on this. What you're basicall...
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Print number of keys in Redis

... key. Also Redis may actively evict some expired keys, but not necessarily all of them. – seppo0010 Aug 24 '15 at 22:23 add a comment  |  ...
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Django: How do I add arbitrary html attributes to input fields on a form?

... earlier to modify 3 fields: ``` for field_name in ['image', 'image_small', 'image_mobile']: field = self.fields.get(field_name) field.widget.attrs['data-file'] = 'file' ``` – Stuart Axon Jun 6 '14 at 11:59 ...
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]

... With underscorejs _.uniq([1, 2, 1, 3, 1, 4]); //=> [1, 2, 3, 4] share | improve this answer | follow ...