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ALTER TABLE, set null in not null column, PostgreSQL 9.1
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ALTER TABLE person ALTER COLUMN phone DROP NOT NULL;
More details in the manual: http://www.postgresql.org/docs/9.1/static/sql-altertable.html
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How to iterate over the keys and values with ng-repeat in AngularJS?
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How to check all checkboxes using jQuery?
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Slow Requests on Local Flask Server
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How to set a binding in Code?
...perties. The choice is of course yours, I like this approach because it is more consistent with the rest. You can also add some validation, like null checks. If you actually change your DataContext around, I think it would be nice to also call:
BindingOperations.ClearBinding(myText, TextBlock.TextP...
How to join components of a path when you are constructing a URL in Python
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How can I generate an ObjectId with mongoose?
...ngoose.Types.ObjectId();
id is a newly generated ObjectId.
You can read more about the Types object at Mongoose#Types documentation.
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How to ignore all hidden directories/files recursively in a git repository?
... question. Well, this pattern un-ignores just the file itself. I find this more concise with no side effects for an example to copy & paste. Of course, you can probably just un-ignore any .gitignore files in your top-level .gitignore file. But that choice is up to you.
– Da...
Detect URLs in text with JavaScript
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