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Passing command line arguments to R CMD BATCH
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115
My impression is that R CMD BATCH is a bit of a relict. In any case, the more recent Rscript e...
Crontab Day of the Week syntax
In crontab does the Day of the Week field run from 0 - 6 or 1 -7 ?
3 Answers
3
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Pairs from single list
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answered Jan 7 '11 at 17:35
Jochen RitzelJochen Ritzel
89.3k2525 gold badges181181 silver badges180180 bronze badges
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Better way to shuffle two numpy arrays in unison
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16 Answers
16
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C语言面试那些事儿──一道指针与数组问题 - c++1y / stl - 清泛IT社区，为创新赋能！
...下代码：
int main(int argc, char** argv)
{
int a[5] = {1,2,3,4,5};
int* ptr = (int*)(&a + 1);
printf("%d,%d\n", *(a+1), *(ptr-1));
return 0;
}复制代码这道题在很多所谓经典C语言面试题里是常见的不能再...
SQL standard to escape column names?
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Quotation Mark "
The SQL:1999 standard specifies that double quote (") (QUOTATION MARK) is used to delimit identifiers.
<delimited identifier> ::= <double quote> <delimited identifier body> <double quote>
Oracle, PostgreSQL...
How can I break an outer loop with PHP?
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answered May 4 '11 at 8:14
lucian303lucian303
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Data structure for loaded dice?
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119
You are looking for the alias method which provides a O(1) method for generating a fixed discr...
Reset PHP Array Index
...;
$b = array_values($a);
print_r($b);
Array
(
[0] => Hello
[1] => Moo
[2] => America
)
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What is the difference between “int” and “uint” / “long” and “ulong”?
...arts do not have "u" prefixed.
The limits for int (32 bit) are:
int: –2147483648 to 2147483647
uint: 0 to 4294967295
And for long (64 bit):
long: -9223372036854775808 to 9223372036854775807
ulong: 0 to 18446744073709551615
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