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What's the difference between dependencies, devDependencies and peerDependencies in npm package.json
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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
...OLLATE added
AND productUsers.productID = rProductID;
END
Option 3: add it to the IN parameter definition:
CREATE PROCEDURE updateProductUsers(
IN rUsername VARCHAR(24) COLLATE utf8_unicode_ci, -- COLLATE added
IN rProductID INT UNSIGNED,
IN rPerm VARCHAR(16))
BEGIN
UPDATE...
Factory Pattern. When to use factory methods?
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388
I like thinking about design pattens in terms of my classes being 'people,' and the patterns a...
Scala list concatenation, ::: vs ++
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325
Legacy. List was originally defined to be functional-languages-looking:
1 :: 2 :: Nil // a li...
What's the dSYM and how to use it? (iOS SDK)
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edited Jan 28 at 13:37
Jose V
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answered May 25 '14 at 11:13
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Mapping composite keys using EF code first
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edited May 17 '18 at 18:53
answered Nov 5 '13 at 15:44
Cor...
Difference between Static and final?
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answered Dec 7 '12 at 23:59
AshishAshish
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When to use PNG or JPG in iPhone development?
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edited Feb 10 '13 at 23:52
answered Oct 14 '10 at 1:21
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What is the difference between Θ(n) and O(n)?
...O(2n)," ??
– Andy897
Jan 19 '15 at 13:23
@Andy897 It follows from the definition of "proportional". From Wikipedia: "I...
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...以此将市场暴涨暴跌对账户的冲击降低到可接受范围；
3、何谓：套利？在狭义上，分跨期套利、跨品种套利，目前只针对跨期套利；
4、何谓：自动交易？借助计算机程序，将交易者简单、重复的交易策略，高效率执行；
要...