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how to exclude null values in array_agg like in string_agg using postgres?
...NC = fn_array_agg_notnull,
STYPE = ANYARRAY,
INITCOND = '{}'
);
Calling the second is (naturally) a little nicer looking than the first:
select array_agg_notnull(v) from x;
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Matching an empty input box using CSS
...e present in the input tag. Tested in Chrome - not sure if this counts for all browsers.
– Berend
Mar 17 '17 at 6:23
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Why can't an anonymous method be assigned to var?
...type of a lambda or anonymous method is Func of something. We'd still have all kinds of problems. What types would you like to be inferred for the following cases?
var x1 = (ref int y)=>123;
There is no Func<T> type that takes a ref anything.
var x2 = y=>123;
We don't know the type...
Allow anything through CORS Policy
How can I disable cors? For some reason I wild carded the allowed origins and headers yet my ajax requests still complain that the origin was not allowed by my CORS policy....
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PHP String to Float
I am not familiar with PHP at all and had a quick question.
8 Answers
8
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What do we mean by Byte array? [closed]
...d to be 8 bits. It's certainly the de facto standard of today but historically it's not always been the case. en.wikipedia.org/wiki/Byte
– JaredPar
Oct 26 '10 at 0:45
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Importing a Maven project into Eclipse from Git
...very easy.
If you don't already have the Git connector for M2Eclipse install it. M2Eclipse will help you along by prompting you on the Import menu.
Select the "Import..." context menu from the Package Explorer view
Select "Check out Maven projects from SCM" option under the Maven category
On ...
Why is setTimeout(fn, 0) sometimes useful?
...a rather nasty bug, wherein the code was loading a <select> dynamically via JavaScript. This dynamically loaded <select> had a pre-selected value. In IE6, we already had code to fix the selected <option> , because sometimes the <select> 's selectedIndex value would ...
git recover deleted file where no commit was made after the delete
...this in my config file
$ git config alias.unstage
reset HEAD
which I usually use to unstage stuff.
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SQL update fields of one table from fields of another one
... The question is asking about how to do it without specifying all the column names. (And I am too.)
– cluesque
Jun 6 '12 at 16:29
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