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R object identification
...)
data(cars)
obj <- lm(dist ~ speed, data=cars)
..etc.
If obj is an S3 or S4 object, you can also try methods or showMethods, showClass, etc. Patrick Burns' R Inferno has a pretty good section on this (sec #7).
EDIT: Dirk and Hadley mention str(obj) in their answers. It really is much bette...
How can I do division with variables in a Linux shell?
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edited Aug 7 '13 at 3:04
answered Aug 7 '13 at 2:59
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Automatically enter SSH password with script
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answered May 24 '13 at 12:21
abbottoabbotto
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python assert with and without parenthesis
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130
The last assert would have given you a warning (SyntaxWarning: assertion is always true, perhap...
How do I convert a Vector of bytes (u8) to a string
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3 Answers
3
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How to randomize (shuffle) a JavaScript array?
...aryValue;
}
return array;
}
// Used like so
var arr = [2, 11, 37, 42];
shuffle(arr);
console.log(arr);
Some more info about the algorithm used.
share
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improve this answer
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“FOUNDATION_EXPORT” vs “extern”
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173
If you look in NSObjCRuntime.h (in Foundation) you will see that FOUNDATION_EXPORT compiles to e...
How do I assert equality on two classes without an equals method?
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23 Answers
23
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Get yesterday's date using Date [duplicate]
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324
Update
There has been recent improvements in datetime API with JSR-310.
Instant now = Insta...
Why isn't sizeof for a struct equal to the sum of sizeof of each member?
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Here's an example using typical settings for an x86 processor (all used 32 and 64 bit modes):
struct X
{
short s; /* 2 bytes */
/* 2 padding bytes */
int i; /* 4 bytes */
char c; /* 1 byte */
/* 3 padding bytes */
};
struct Y
{
int i; /* 4 bytes */...