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How to return result of a SELECT inside a function in PostgreSQL?
...me to avoid conflicts or unexpected results. I did that for all columns in my example.
But note the potential naming conflict between the OUT parameter cnt and the column alias of the same name. In this particular case (RETURN QUERY SELECT ...) Postgres uses the column alias over the OUT parameter ...
How to unescape HTML character entities in Java?
...
This was perfect, since I'm already using Jsoup in my project. Also, @danneu was right - Parser.unescapeEntities works exactly as advertised.
– MandisaW
Aug 29 '17 at 17:23
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The SQL OVER() clause - when and why is it useful?
...FROM
Orders O
INNER JOIN Order_Lines OL ON OL.order_id = O.order_id
(My syntax might be off slightly)
You would then get back something like:
order_id order_date line_item_no product_id
-------- ---------- ------------ ----------
1 2011-05-02 1 ...
Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
...
One thing to mention is that, in my testing and a really old comment by someone else it seems you can't have an always-on scrollbar AND the momentum-like scrolling that people are used to with iOS. Doing the momentum-scrolling CSS caused my custom scrollbars...
What is the difference between NULL, '\0' and 0?
... "is 0".
The following are INVALID ways to check for a null pointer:
int mynull = 0;
<some code>
if (pointer == mynull)
To the compiler this is not a check for a null pointer, but an equality check on two variables. This might work if mynull never changes in the code and the compiler optim...
What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java
...h both classes that extend AnyRef and classes that extend AnyVal.
PS: In my own view, Java is likely to follow C# in allowing "struct" primitives, and maybe typedefs, as parallelism without resorting to them is proving difficult to accomplish with good performance.
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Why 0 is true but false is 1 in the shell?
...ut we would have to replace it by mkdir deleteme || cd _$ || pwd, which in my opinion is far less clear, because what we actually want to do is mkdir deleteme “and” cd _$ “and” pwd... (with “and” having here its meaning from ordinary language).
– Rémi Peyre
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How do I get currency exchange rates via an API such as Google Finance? [closed]
... "USDCNY", "USDHKD", "USDIDR", "USDILS", "USDINR", "USDKRW", "USDMXN", "USDMYR", "USDNZD", "USDPHP", "USDSGD", "USDTHB", "USDZAR", "USDISK")&env=store://datatables.org/alltableswithkeys][1]
Here is the YQL query builder, where you can test a query and copy the url: (NO LONGER AVAILABLE)
http://d...
extract part of a string using bash/cut/split
...s string in bash using parameter expansion without any extra processes...
MYVAR="/var/cpanel/users/joebloggs:DNS9=domain.com"
NAME=${MYVAR%:*} # retain the part before the colon
NAME=${NAME##*/} # retain the part after the last slash
echo $NAME
Doesn't depend on joebloggs being at a particula...
What is the difference between ? and Object in Java generics?
...ight way to go to use ResponseEntity<?> on controller level for all my controller functions?
– Irakli
Nov 25 '16 at 7:38
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