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ALTER TABLE, set null in not null column, PostgreSQL 9.1
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Came here searching for how to set the column as NOT NULL. With your answer, I could figure the solution: ALTER TABLE person ALTER COLUMN phone SET NOT NULL. Thanks!
– falsarella
May 5 '...
R data formats: RData, Rda, Rds etc
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Rda is just a short name for RData. You can just save(), load(), attach(), etc. just like you do with RData.
Rds stores a single R object. Yet, beyond that simple explanation, there are several differences from a "standard" storage. Probably this R-manual Link to ...
is there any way to force copy? copy without overwrite prompt, using windows?
...e a list of windows commands(it's a long list) where it does all these magical things for me, but whenever I use copy, it stops to ask fro overwrite prompt. When I type yes, it overwrites the old file then just stops there.
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What is Pseudo TTY-Allocation? (SSH and Github)
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As explained in "gitolite: PTY allocation request failed on channel 0", it is important to do ssh test connection with -T, because some server could abort the transaction entirely if a text-terminal (tty) is requested.
-T avoids requesting said terminal, sinc...
New Line on PHP CLI
I have a php CLI script and cannot get the output to break on new lines. I do
4 Answers
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Will writeToFile:atomically: overwrite data?
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Whether you do it atomically or not doesn't matter; in either case, the file will be completely overwritten with the new data.
– BJ Homer
Jul 30 '12 at 13:56
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generating GUID without hyphen
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Note that you are talking about the (canonical) string representation of a Guid. The Guid itself is actually a 128-bit integer value.
You can use the "N" specifier with the Guid.ToString(String) overload.
Guid.NewGuid().ToString("N");
By default letters are ...
how to set a value for a span using JQuery
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You can do:
$("#submittername").text("testing");
or
$("#submittername").html("testing <b>1 2 3</b>");
share
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How to set UICollectionViewDelegateFlowLayout?
...nViewDelegateFlowLayout inherits from UICollectionViewDelegate.
I admit it caught me off guard at first.
Oh and this will only work if self.collectionView.collectionViewLayout is actually set to your flow layout. (or set with initWithFrame:collectionViewLayout:)
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How can I add items to an empty set in python
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