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Context switches much slower in new linux kernels
...lude that between kernel 2.6.32 and 3.1.9 context switch has indeed slowed down, though not as much as you observe in kernel 3.2. I realize this doesn't yet answer your question, I'll keep digging.
Edit: I've found that changing the real time priority of the process (both threads) improves the per...
How to uncheck a radio button?
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Yes, Kzqai, I am also curious my answer was down-voted for this as well. The documentation mentions no risk.
– cjstehno
May 8 '13 at 12:41
1
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Is it OK to use == on enums in Java?
...unding {
ROUND_UP {
public int round(double n) { ...; }
},
ROUND_DOWN {
public int round(double n) { ...; }
};
public abstract int round(double n);
}
int foo(Rounding roundMethod) {
return roundMethod.round(someCalculation());
}
int bar() {
return foo(Rounding.ROUND_UP);
}
...
Using regular expressions to parse HTML: why not?
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Wow? A downvote after 2+ years? In case anyone was wondering, I didn't say "Because it's theoretically impossible" because the question clearly asked about "quick-and-dirty", not "correct". The OP clearly already read answers that c...
Which are more performant, CTE or temporary tables?
... be used for performance.. I agree with that quote as I've experienced the downsides of CTE's.
– TT.
Feb 3 '16 at 7:53
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Class does not implement its superclass's required members
...cial set of inheritance rules, but protocol conformance is still inherited down the chain. If a parent class conforms to a protocol, its subclasses must to conform to that protocol.
Ordinarily, this isn't a problem, because most protocols only require methods which don't play by special inheritance...
Child with max-height: 100% overflows parent
...mage itself is taller than it is wide, it overflows the container's height downwards, in order to maintain its aspect ratio while still being as large as possible overall.
When you do specify an explicit height for the parent, then the child knows it has to be at most 100% of that explicit height. ...
Why use a READ UNCOMMITTED isolation level?
...rate that money. (I blame accountants).
When risky
Any report that goes down to the detail level. If that detail is required it usually implies that every row will be relevant to a decision. In fact, if you can't pull a small subset without blocking it might be for the good reason that it's being...
Count table rows
...- long time prior information schema database.
UPDATE:
Because there was down-vote, I want to clarify that the number shown is estimated for InnoDB and TokuDB and it is absolutely correct for MyISAM and Aria (Maria) storage engines.
Per the documentation:
The number of rows. Some storage engi...
Converting VS2012 Solution to VS2010
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Is there a downside to doing this? It seems too easy to be true.
– kbeal2k
Dec 20 '12 at 16:53
4
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