大约有 48,000 项符合查询结果（耗时：0.0467秒） [XML]
iOS: Use a boolean in NSUserDefaults
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answered Oct 1 '10 at 16:34
Henrik P. HesselHenrik P. Hessel
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Determine if string is in list in JavaScript
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answered Mar 12 '10 at 1:56
SLaksSLaks
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Check if a string contains a substring in SQL Server 2005, using a stored procedure
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edited Mar 24 '10 at 9:20
answered Mar 24 '10 at 9:14
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Detect if a jQuery UI dialog box is open
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answered Jul 22 '10 at 21:51
Byron WhitlockByron Whitlock
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MySQL IF NOT NULL, then display 1, else display 0
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ypercubeᵀᴹypercubeᵀᴹ
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Using comparison operators in Scala's pattern matching system
...i.e. an if and a boolean expression after the pattern:
a match {
case 10 => println("ten")
case x if x > 10 => println("greater than ten")
case _ => println("less than ten")
}
Edit: Note that this is more than superficially different to putting an if after the =>, becau...
What does the star operator mean, in a function call?
...m(a, b, c, d):
return a + b + c + d
values1 = (1, 2)
values2 = { 'c': 10, 'd': 15 }
s = sum(*values1, **values2)
will execute as:
s = sum(1, 2, c=10, d=15)
Also see section 4.7.4 - Unpacking Argument Lists of the Python documentation.
Additionally yo...
How can I check if multiplying two numbers in Java will cause an overflow?
...tle table I whipped up to check this, pretending that overflow happens at -10 or +10:
a = 5 b = 2 2 > 10 / 5
a = 2 b = 5 5 > 10 / 2
a = -5 b = 2 2 > -10 / -5
a = -2 b = 5 5 > -10 / -2
a = 5 b = -2 -2 < -10 / 5
a = 2 b = -5 -5 < -10 / ...
Detect the specific iPhone/iPod touch model [duplicate]
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answered Jul 29 '10 at 17:32
djromerodjromero
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Mod of negative number is melting my brain
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@dcastro: I do want -12 mod -10 to be 8. This is the most common convention in mathematics, that if picking a representative r for a modulo b, then it is such that 0 ≤ r < |b|.
– ShreevatsaR
Jan 5 '14 at 3:14
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