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What is the “__v” field in Mongoose
I'm using Mongoose version 3 with MongoDB version 2.2. I've noticed a __v field has started appearing in my MongoDB documents. Is it something to do with versioning? How is it used?
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How to validate date with format “mm/dd/yyyy” in JavaScript?
... // Check the ranges of month and year
if(year < 1000 || year > 3000 || month == 0 || month > 12)
return false;
var monthLength = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
// Adjust for leap years
if(year % 400 == 0 || (year % 100 != 0 && year % ...
Get the first element of each tuple in a list in Python [duplicate]
... for x in rows]
Below is a demonstration:
>>> rows = [(1, 2), (3, 4), (5, 6)]
>>> [x[0] for x in rows]
[1, 3, 5]
>>>
Alternately, you could use unpacking instead of x[0]:
res_list = [x for x,_ in rows]
Below is a demonstration:
>>> lst = [(1, 2), (3, 4)...
optional parameters in SQL Server stored proc?
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3 Answers
3
Active
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How to change XAMPP apache server port?
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324
To answer the original question:
To change the XAMPP Apache server port here the procedure :
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Renaming files in a folder to sequential numbers
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323
Try to use a loop, let, and printf for the padding:
a=1
for i in *.jpg; do
new=$(printf "%0...
break out of if and foreach
...how many loop structures it should break. Example:
foreach (array('1','2','3') as $a) {
echo "$a ";
foreach (array('3','2','1') as $b) {
echo "$b ";
if ($a == $b) {
break 2; // this will break both foreach loops
}
}
echo ". "; // never reached!
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Implode an array with JavaScript?
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John
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answered Nov 10 '10 at 17:03
jon_darkstarjon_darkstar
14.8...
$(this) inside of AJAX success not working
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234
Problem
Inside the callback, this refers to the jqXHR object of the Ajax call, not the element...