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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...anual:
CREATE DATABASE cannot be executed inside a transaction block.
So it cannot be run directly inside a function or DO statement, where it would be inside a transaction block implicitly.
(SQL procedures, introduced with Postgres 11, cannot help with this either.)
Workaround from within psql
Yo...
Lists in ConfigParser
...
There is nothing stopping you from packing the list into a delimited string and then unpacking it once you get the string from the config. If you did it this way your config section would look like:
[Section 3]
barList=item1,item2
It's not pretty but it's functional for most simple li...
S3 - Access-Control-Allow-Origin Header
...ation" in your bucket properties.
The <CORSConfiguration> comes with some default values. That's all I needed to solve your problem. Just click "Save" and try again to see if it worked. If it doesn't, you could also try the code below (from alxrb answer) which seems to have worked for most...
How do I pronounce “=>” as used in lambda expressions in .Net
...or which". For example,
Func f = x => x * 2;
Func test = c => c.City == "London";
reads as "x becomes x * 2" and "c for which c.City equals London"
As far as 'goes to' - that's never made sense to me. 'p' isn't going anywhere.
In the case of reading code to someone, say, over the phon...
Generic deep diff between two objects
...
I wrote a little class that is doing what you want, you can test it here.
Only thing that is different from your proposal is that I don't consider
[1,[{c: 1},2,3],{a:'hey'}]
and
[{a:'hey'},1,[3,{c: 1},2]]
to be same, because I think ...
Why do I get an UnsupportedOperationException when trying to remove an element from a List?
...
Quite a few problems with your code:
On Arrays.asList returning a fixed-size list
From the API:
Arrays.asList: Returns a fixed-size list backed by the specified array.
You can't add to it; you can't remove from it. You ...
Amazon SimpleDB vs Amazon DynamoDB
...t Amazon SimpleDB is, but according to the Amazon DynamoDB description it seems to be almost the same: a NoSQL Key-value store service.
...
What does $NON-NLS-1$ mean?
...
They silence a warning that Eclipse emits when it encounters string literals (and has been configured to complain).
The idea is that UI messages should not be embedded as string literals, but rather sourced from a resource file (so that they can be translated, p...
What is the apply function in Scala?
I never understood it from the contrived unmarshalling and verbing nouns ( an AddTwo class has an apply that adds two!) examples.
...
load and execute order of scripts
...r or async, then scripts are loaded in the order encountered in the page. It doesn't matter whether it's an external script or an inline script - they are executed in the order they are encountered in the page. Inline scripts that come after external scripts are held until all external scripts tha...