大约有 42,000 项符合查询结果（耗时：0.0550秒） [XML]
SQL WHERE ID IN (id1, id2, …, idn)
...ormance like with IN. There's still the readability issue though...
Option 3 is simply horrible performance-wise. It sends a query every loop and hammers the database with small queries. It also prevents it from using any optimizations for "value is one of those in a given list"
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Why is x86 ugly? Why is it considered inferior when compared to others? [closed]
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93
Couple of possible reasons for it:
x86 is a relatively old ISA (its progenitors were 8086s, af...
How do I use .woff fonts for my website?
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edited Oct 10 '12 at 5:38
answered Oct 10 '12 at 5:29
bh...
float64 with pandas to_csv
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163
As mentioned in the comments, it is a general floating point problem.
However you can use the f...
getMonth in javascript gives previous month
...ng a datepicker which gives a date in the format Sun Jul 7 00:00:00 EDT 2013.
Even though the month says July, if I do a getMonth, it gives me the previous month.
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Remove accents/diacritics in a string in JavaScript
...ormalize(),
const str = "Crème Brulée"
str.normalize("NFD").replace(/[\u0300-\u036f]/g, "")
> "Creme Brulee"
Two things are happening here:
normalize()ing to NFD Unicode normal form decomposes combined graphemes into the combination of simple ones. The è of Crème ends up expressed as e + ...
Change Screen Orientation programmatically using a Button
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answered Aug 16 '13 at 7:43
HariharanHariharan
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Python: most idiomatic way to convert None to empty string?
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answered Jun 23 '09 at 19:28
TriptychTriptych
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How to output numbers with leading zeros in JavaScript [duplicate]
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answered Jun 8 '10 at 15:33
InfinitiesLoopInfinitiesLoop
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indexOf method in an object array?
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edited Feb 1 '18 at 13:40
thomasb
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answered ...