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Alter a MySQL column to be AUTO_INCREMENT
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ALTER TABLE document MODIFY COLUMN document_id INT auto_increment
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Using jQuery how to get click coordinates on the target element
...element ( or ) simply the mouse pointer location
Try this Demo : http://jsfiddle.net/AMsK9/
Edit :
1) event.pageX, event.pageY gives you the mouse position relative document !
Ref : http://api.jquery.com/event.pageX/
http://api.jquery.com/event.pageY/
2) offset() : It gives the offset p...
Calendar.getInstance(TimeZone.getTimeZone(“UTC”)) is not returning UTC time
... print the Date in the desired timezone.
EDIT: Courtesy of @Laurynas, consider this:
TimeZone timeZone = TimeZone.getTimeZone("UTC");
Calendar calendar = Calendar.getInstance(timeZone);
SimpleDateFormat simpleDateFormat =
new SimpleDateFormat("EE MMM dd HH:mm:ss zzz yyyy", Locale.US);
simp...
What is a “slug” in Django?
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A "slug" is a way of generating a valid URL, generally using data already obtained. For instance, a slug uses the title of an article to generate a URL. I advise to generate the slug by means of a function, given the title (or another piece of data), rather than...
How do you delete an ActiveRecord object?
...ns and delete_all with conditions has been deprecated in Rails 5.1 - see guides.rubyonrails.org/5_1_release_notes.html
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How to deep copy a list?
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Thanks.But I thought list() is a deep copy since id(E0) not equal to id(E0_copy). Could u explain why it happen?
– Shen
Jul 26 '13 at 7:53
15
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Should IBOutlets be strong or weak under ARC?
...ple is for IBOutlets to be strong unless weak is specifically needed to avoid a retain cycle. As Johannes mentioned above, this was commented on in the "Implementing UI Designs in Interface Builder" session from WWDC 2015 where an Apple Engineer said:
And the last option I want to point out is t...
Why all the Active Record hate? [closed]
...> :company )
This generates SQL with LEFT JOIN companies on companies.id = person.company_id, and automatically generates associated Company objects so you can do people.first.company and it doesn't need to hit the database because the data is already present.
@pix0r
The inherent probl...
Fastest way to implode an associative array with keys
...tes a URL-encoded query string from the associative (or indexed) array provided.
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Clear form fields with jQuery
... there will be more type of inputs other than type=password (like SammyK said) in HTML5: type=url, type=digits, type=email, etc http://www.w3.org/TR/html5/forms.html#states-of-the-type-attribute
– Gabriel
Sep 12 '13 at 22:56
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