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PostgreSQL ERROR: canceling statement due to conflict with recovery
... query that causes the error works fine for 1 month but when you query for more than 1 month an error results.
8 Answers
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Why does Hibernate require no argument constructor?
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How to check if an object is nullable?
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...ranch prediction table isn't very large, so one table entry might refer to more than one branch. This can render some predictions useless. The problem is easily fixed if one of the conflicting branches moves to another part of the table. Almost any little change can make this happen :-)
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What does “abstract over” mean?
... = as.foldLeft(z)(f)
}
val sumOfOneTwoThree = sumOf(List(1,2,3))
What's more, we can abstract over both the operation and the type of the operands:
trait Monoid[M] {
def zero: M
def add(m1: M, m2: M): M
}
trait Foldable[F[_]] {
def foldl[A, B](as: F[A], z: B, f: (B, A) => B): B
def f...
Is there a destructor for Java?
...t spawned in-depth discussion of finalize recently, so that should provide more depth if required...
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Message Queue vs. Web Services? [closed]
...itMQ, Beanstalkd, ActiveMQ, IBM MQ Series, Tuxedo you expect different and more fault tolerant results:
If the server fails, the queue persist the message (optionally, even if the machine shutdown).
When the server is working again, it receives the pending message.
If the server gives a response t...
Windows batch: formatted date into variable
...variable namespace.
If you need UTC instead of local time, the command is more or less the same:
for /f %%x in ('wmic path win32_utctime get /format:list ^| findstr "="') do set %%x
set today=%Year%-%Month%-%Day%
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Emulate a do-while loop in Python?
... you return the same state, you can pick up where you left off? Give a bit more context. It seems like you might be better off using an index into the list.
– Tom
Apr 13 '09 at 6:48
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How can I position my div at the bottom of its container?
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