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Why do we have to specify FromBody and FromUri?
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PostgreSQL DISTINCT ON with different ORDER BY
...equal. [...] Note that the "first row" of each set is unpredictable unless ORDER BY is used to ensure that the desired row appears first. [...] The DISTINCT ON expression(s) must match the leftmost ORDER BY expression(s).
Official documentation
So you'll have to add the address_id to the order by...
Can someone explain the right way to use SBT?
... which might lead to initially surprising semantics. What do you think the order of execution is in the following snippet?
def a = Def.task { println("a") }
def b = Def.task { println("b") }
lazy val c = taskKey[Unit]("sbt is parallel by-default")
c := {
println("hello")
a.value
b.value
}
I...
MySQL - Get row number on select
...query to:
SET @rank=0;
SELECT @rank:=@rank+1 AS rank, itemID, COUNT(*) as ordercount
FROM orders
GROUP BY itemID
ORDER BY ordercount DESC;
SELECT @rank;
The last select is your count.
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How do I measure time elapsed in Java? [duplicate]
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Which types to use in order to accomplish this in Java?
The short answer is a long. Now, more on how to measure...
System.currentTimeMillis()
The "traditional" way to do this is indeed to use System.currentTimeMillis():
long startTime = Syste...
API vs. Webservice [closed]
...and/or protocols provided by libraries and/or operating system services in order to support the building of applications.
Webservice
A Web service (also Web Service) is defined by the W3C as "a software system designed to support interoperable machine-to-machine interaction over a network"
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Why doesn't Java allow overriding of static methods?
... it is" rather than how it should be or more accurately how it could be in order to meet the expectations of the OP and, hence here, myself and others. There is no concrete reason to disallow the overriding of static methods other than "that's how it is". I think it's a flaw personally.
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WebSockets protocol vs HTTP
...b protocols:
TCP: low-level, bi-directional, full-duplex, and guaranteed order transport layer. No browser support (except via plugin/Flash).
HTTP 1.0: request-response transport protocol layered on TCP. The client makes one full request, the server gives one full response, and then the connection...
django order_by query set, ascending and descending
How can I order by descending my query set in django by date?
11 Answers
11
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Find index of last occurrence of a sub-string using T-SQL
...ion, followed CHARINDEX, followed again by REVERSE to restore the original order. For instance:
SELECT
mf.name
,mf.physical_name
,reverse(left(reverse(physical_name), charindex('\', reverse(physical_name)) -1))
from sys.master_files mf
shows how to extract the actual database file names f...