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How to sort my paws?
...ns (or tuples), which you could use to sort by step size then by paw-ness [index].
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Error handling in getJSON calls
How can you handle errors in a getJSON call? Im trying to reference a cross-domain script service using jsonp, how do you register an error method?
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Disable validation of HTML5 form elements
...hrome, and if you catch the "invalid" event and return false that seems to allow form submission.
I am using jquery, with this HTML.
// suppress "invalid" events on URL inputs
$('input[type="url"]').bind('invalid', function() {
alert('invalid');
return false;
});
document.forms[0].o...
MySQL - force not to use cache for testing speed of query
...ache in action! Worth the read. databasejournal.com/features/mysql/article.php/3110171/…
– Adrian P.
Feb 20 '14 at 18:03
1
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Share cookie between subdomain and domain
...fy the domain as .mydomain.com (with the leading dot) in the cookie that all subdomains can share a cookie.
7 Answers
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data.frame rows to a list
...lows to 'transform' the data.frame into a list of its lines, keeping the $ indexation which can be useful for further use with lapply (assuming the function you pass to lapply uses this $ indexation)
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Split string into an array in Bash
...for element in "${array[@]}"
do
echo "$element"
done
To get both the index and the value:
for index in "${!array[@]}"
do
echo "$index ${array[index]}"
done
The last example is useful because Bash arrays are sparse. In other words, you can delete an element or add an element and then the...
What is the significance of initializing direction arrays below with given values when developing ch
...have said top left is 0,0 and bottom right is 4,4 and shown what move each index of the arrays will make from the central point, X, at 2,2.)
.....
.536.
.1X0.
.724.
.....
The way it is set up, if you do ^1 (^ being bitwise XOR) on the index you get the opposite direction - 0 and 1 are opposites, ...
Rank items in an array using Python/NumPy, without sorting array twice
...st as well. This can be obtained even more easily as >>> unique, index, inverse = np.unique(a, True, True) >>> rank_min = rank[index][inverse]
– Eelco Hoogendoorn
Jan 6 '14 at 20:47
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Tricky Google interview question
...std::vector<int> v(n);
v[0] = 1;
int i2 = 0; // Index for 2
int i5 = 0; // Index for 5
int x2 = 2 * v[i2]; // Next two candidates
int x5 = 5 * v[i5];
for (int i = 1; i != n; ++i)
{
int m = std::min(x2, x5);
std::cout &l...