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Can Iterable.filter() skip processing with "constant" (including short circuited) Predicates?


Can Iterable.filter() skip processing with "constant" (including short circuited) Predicates?

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Can Iterable.filter() skip processing with "constant" (including short circuited) Predicates?
Tag : java , By : xie renhui
Date : November 24 2020, 05:44 AM


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Is there an Non-Short circuited logical "and" in C++?


Tag : cpp , By : user183345
Date : March 29 2020, 07:55 AM
Hope this helps The & operator performs logical "and" operation for bool operands and is not short circuited.
It's not a sequence point. You cannot rely on the order of evaluation of the operands. However, it's guaranteed that both operands are evaluated.

Oracle and possible constant predicates in "WHERE" clause


Tag : oracle , By : Ashley
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I have a common problem with ORACLE in following example code:
CREATE INDEX IX_YOURNAME1 ON eventstable (NVL(p_customerId, 'x'));
CREATE INDEX IX_YOURNAME2 ON eventstable (NVL(p_eventTypeId, 'x'));

create or replace procedure usp_test
(
  p_customerId number,
  p_eventTypeId number,
  p_out OUT SYS_REFCURSOR
)
as
begin

  open p_out for
    select e.Id from eventstable e
    where 
        (NVL(p_customerId, 'x') = e.CustomerId OR NVL(p_customerId, 'x') = 'x')
    AND (NVL(p_eventTypeId, 'x') = e.EventTypeId OR NVL(p_eventTypeId, 'x') = 'x')
    order by Id asc;
end usp_test;

How to implement a short-circuited "and" macro in Common Lisp?


Tag : development , By : Steve M
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further This really depends on what you can use. E.g., is or available? if? cond?
Here is one example:
(defmacro and (a b)
  `(if ,a ,b nil)
(defmacro or (a b)
  (let ((v (gensym "OR")))
    `(let ((,v ,a))
       (if ,v ,v ,b))))

What is "Circuit Breaker is open. Execution was short circuited." And How to fix this?


Tag : chash , By : johntynan
Date : March 29 2020, 07:55 AM
like below fixes the issue I'm now making a simple loadbalance test, codes like this following: , Well, this is used through something like Hystrix.

Are logical operators in predicates short-circuited with NSFetchRequest?


Tag : ios , By : akr
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further From the Core Data Programming Guide, Performance section:
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