大约有 45,000 项符合查询结果（耗时：0.0746秒） [XML]
Are string.Equals() and == operator really same? [duplicate]
...der("hello").ToString();
if (x.Equals(y)) // Yes
// The compiler doesn't know to call ==(string, string) so it generates
// a reference comparision instead
if (x == y) // No
string xs = (string) x;
string ys = (string) y;
// Now *this* will call ==(string, string), comparing values appropriately
...
How do I escape reserved words used as column names? MySQL/Create Table
...escape) works for keywords in Cassandra's CQL as well. A bit off-topic, I know, but this thread surfaced in a Cassandra-specific search.
– Godfrey Duke
Feb 26 '16 at 22:44
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Setting Android Theme background color
...folder. I edited the styles.xml in values-v14 folder and it works all fine now.
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How to catch integer(0)?
...empty, cuz some functions return integer(0) instead of NA or NULL. But for now your way is the most straightforward, and works vector-wise which is a big advantage over length(a).
– Ufos
Feb 26 '18 at 9:54
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MySQLDump one INSERT statement for each data row
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This is nice because now I can do a git diff on two different database dumps and have a clear picture of what was changed.
– Rolf
Jun 14 '18 at 7:54
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WPF Auto height in code
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I feel Nimrod's answer is the cleanest and should now be the accepted answer (not sure of GridLength.Auto was possible in the past). There's also GridLength.Star to fill remaining area.
– Wolfgang Schreurs
Jul 12 '19 at 7:06
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Using str_replace so that it only acts on the first match?
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Edit: both answers have been updated and are now correct. I'll leave the answer since the function timings are still useful.
The answers by 'zombat' and 'too much php' are unfortunately not correct. This is a revision to the answer zombat posted (as I don't have enough...
When should std::move be used on a function return value? [duplicate]
...ed, because return std::move(foo); is not eligible for NRVO.
As far as I know, 12.8/32 lays out the only conditions under which a copy from an lvalue can be replaced by a move. The compiler is not permitted in general to detect that an lvalue is unused after the copy (using DFA, say), and make the ...
How do I comment in CoffeeScript? “/* this */” doesn't work
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Do you know why? We have the code working locally but not on the build server with ###.
– Azat
Oct 28 '13 at 23:12
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When should assertions stay in production code? [closed]
...I think that advice is also in Code Complete, but I'm not finding it right now.
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