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postgresql - add boolean column to table set default
...ULT FALSE;
UPDATE: following is only true for versions before postgresql 11.
As Craig mentioned on filled tables it is more efficient to split it into steps:
ALTER TABLE users ADD COLUMN priv_user BOOLEAN;
UPDATE users SET priv_user = 'f';
ALTER TABLE users ALTER COLUMN priv_user SET NOT NULL;
A...
How to make pipes work with Runtime.exec()?
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183
Write a script, and execute the script instead of separate commands.
Pipe is a part of the sh...
django template display item value or empty string
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218
You want the default_if_none template filter, (doc).
default_if_none will display the given st...
Call a global variable inside module
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410
You need to tell the compiler it has been declared:
declare var bootbox: any;
If you have be...
Python Requests library redirect new url
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160
You are looking for the request history.
The response.history attribute is a list of response...
How can I iterate through the unicode codepoints of a Java String?
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144
Yes, Java uses a UTF-16-esque encoding for internal representations of Strings, and, yes, it e...
Why does X[Y] join of data.tables not allow a full outer join, or a left join?
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To quote from the data.table FAQ 1.11 What is the difference between X[Y] and merge(X, Y)?
X[Y] is a join, looking up X's rows using Y (or Y's key if it has one) as an index.
Y[X] is a join, looking up Y's rows using X (or X's key if it has one)
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jQuery posting valid json in request body
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git: Apply changes introduced by commit in one repo to another repo
I have a repo1 and repo2 on local machine. They are very similar, but the latter is some kind of other branch ( repo1 is not maintained anymore).
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