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C pointers : pointing to an array of fixed size
...alizing it, hiding the array type behind a typedef name
typedef int Vector3d[3];
void transform(Vector3d *vector);
/* equivalent to `void transform(int (*vector)[3])` */
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Vector3d vec;
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transform(&vec);
Note additionally that the above code is invariant with relation to Vector3d type b...
Python/postgres/psycopg2: getting ID of row just inserted
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3 Answers
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What is the proper way to format a multi-line dict in Python?
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I use #3. Same for long lists, tuples, etc. It doesn't require adding any extra spaces beyond the indentations. As always, be consistent.
mydict = {
"key1": 1,
"key2": 2,
"key3": 3,
}
mylist = [
(1, 'hello'),
(...
Warning message: In `…` : invalid factor level, NA generated
... "Type" to be a character.
> fixed <- data.frame("Type" = character(3), "Amount" = numeric(3))
> str(fixed)
'data.frame': 3 obs. of 2 variables:
$ Type : Factor w/ 1 level "": NA 1 1
$ Amount: chr "100" "0" "0"
>
> fixed <- data.frame("Type" = character(3), "Amount" = nume...
Ruby: How to iterate over a range, but in set increments?
...or example:
(10..100).step(10) do |n|
# n = 10
# n = 20
# n = 30
# ...
end
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How do I find out which computer is the domain controller in Windows programmatically?
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MZywitzaMZywitza
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Diff two tabs in Vim
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edited Dec 28 '12 at 21:30
Aaron Thoma
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answered Jul 8 '09 at...
Why can't I use switch statement on a String?
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1003
Switch statements with String cases have been implemented in Java SE 7, at least 16 years after ...