大约有 47,000 项符合查询结果（耗时：0.0730秒） [XML]
Anonymous recursive PHP functions
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365
In order for it to work, you need to pass $factorial as a reference
$factorial = function( $n...
Ruby: kind_of? vs. instance_of? vs. is_a?
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630
kind_of? and is_a? are synonymous.
instance_of? is different from the other two in that it onl...
django 1.5 - How to use variables inside static tag
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answered May 20 '13 at 18:45
Bernhard VallantBernhard Vallant
41.5k1616 gold badges106106 silver badges133133 bronze badges
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How to get the IP address of the docker host from inside a docker container
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324
/sbin/ip route|awk '/default/ { print $3 }'
As @MichaelNeale noticed, there is no sense to u...
Insert all values of a table into another table in SQL
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263
The insert statement actually has a syntax for doing just that. It's a lot easier if you specify...
What does an Asterisk (*) do in a CSS selector?
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edited Jul 30 '09 at 3:43
answered Jul 30 '09 at 3:18
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What is the difference between Int and Integer?
...sers may
recognise the "bignum" type here.
"Int" is the more common 32 or 64 bit
integer. Implementations vary,
although it is guaranteed to be at
least 30 bits.
Source: The Haskell Wikibook. Also, you may find the Numbers section of A Gentle Introduction to Haskell useful.
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Get the name of an object's type
...ll return the name of the constructor as a string. I have tested this in FF3 and IE7, I can't speak for other implementations.
If you don't want to do that, here is a discussion on the various ways of determining types in JavaScript...
I recently updated this to be a bit more exhaustive, though it ...
What to learn for making Java web applications in Java EE 6? [closed]
...sial, my advice would be to start with Java EE 6 only. So, grab GlassFish v3 and either get the book Beginning Java EE 6 Platform with GlassFish 3: From Novice to Professional or follow the Java EE 6 tutorial. In my opinion, the book (that I've started to read so I know what I'm talking about) provi...
MD5 algorithm in Objective-C
...%02x%02x%02x%02x%02x%02x",
result[0], result[1], result[2], result[3],
result[4], result[5], result[6], result[7],
result[8], result[9], result[10], result[11],
result[12], result[13], result[14], result[15]
];
}
@end
@implementation NSData (MyAdditions)
-...