大约有 15,000 项符合查询结果（耗时：0.0419秒） [XML]
AngularJS $http, CORS and http authentication
... }
});
And and on server side you have to put headers to this is example for nodejs:
/**
* On all requests add headers
*/
app.all('*', function(req, res,next) {
/**
* Response settings
* @type {Object}
*/
var responseSettings = {
"AccessControlAllowOrigin...
Simple regular expression for a decimal with a precision of 2
What is the regular expression for a decimal with a precision of 2?
17 Answers
17
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How to extract the decision rules from scikit-learn decision-tree?
Can I extract the underlying decision-rules (or 'decision paths') from a trained tree in a decision tree as a textual list?
...
C# Sortable collection which allows duplicate keys
...s objects will appear in report.
The sequence is the Y position (cell) on Excel spreadsheet.
16 Answers
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In Ruby, is there an Array method that combines 'select' and 'map'?
...y use map and compact together along with my selection criteria as a postfix if. compact gets rid of the nils.
jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1}
=> [3, 3, 3, nil, nil, nil]
jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1}.compact
=> [3, 3, 3]
...
WARNING: Can't verify CSRF token authenticity rails
I am sending data from view to controller with AJAXand I got this error:
17 Answers
17...
How can I use an array of function pointers?
...
You have a good example here (Array of Function pointers), with the syntax detailed.
int sum(int a, int b);
int subtract(int a, int b);
int mul(int a, int b);
int div(int a, int b);
int (*p[4]) (int x, int y);
int main(void)
{
int result...
Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
...rrelations, and changing that to money gives wrong results.
select t1.index_id,t2.index_id,(avg(t1.monret*t2.monret)
-(avg(t1.monret) * avg(t2.monret)))
/((sqrt(avg(square(t1.monret)) - square(avg(t1.monret))))
*(sqrt(avg(square(t2.monret)) - square(avg(t2.monret))))),
c...
What is the size of column of int(11) in mysql in bytes?
...as 12345, but you would have the option to pad the first five digits. For example, if you added ZEROFILL it would display as 0000012345.
... and the maximum value will be 2147483647 (Signed) or 4294967295 (Unsigned)
share
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from list of integers, get number closest to a given value
...m distance from the specified number.
>>> min(myList, key=lambda x:abs(x-myNumber))
4
Note that it also works with dicts with int keys, like {1: "a", 2: "b"}. This method takes O(n) time.
If the list is already sorted, or you could pay the price of sorting the array once only, use the...