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Calculating sum of repeated elements in AngularJS ng-repeat
The script below displays a shop cart using ng-repeat . For each element in the array, it shows the item name, its amount and the subtotal ( product.price * product.quantity ).
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How to remove constraints from my MySQL table?
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Mysql has a special syntax for dropping foreign key constraints:
ALTER TABLE tbl_magazine_issue
DROP FOREIGN KEY FK_tbl_magazine_issue_mst_users
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Unknown Column In Where Clause
... It makes more sense to say that the entire statement is parsed, transformed, and optimised as a whole in a complex, multistage process. "SQL is evaluated backwards, from right to left" is just wrong
– David Aldridge
Sep 28 '16 at 19:54
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How to iterate over a JSONObject?
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@Tom For-Each loops are useful when iterating over a collection: for (String key : keys)
– caligari
Jun 15 '15 at 6:58
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jQuery changing style of HTML element
... multiple css changes at once, that's when you would add the curly braces (for object notation), and it would look something like this (if you wanted to change, say, 'background-color' and 'position' in addition to 'display'):
$('#navigation ul li').css({'display': 'inline-block', 'background-color...
How can I generate an ObjectId with mongoose?
... how can you be sure that this is really unique? does mongoose any check before?
– R01010010
Jun 6 '16 at 9:49
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How to scroll to bottom in a ScrollView on activity startup
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For me this only worked with a postDelayed instead of post. Just 100 milliseconds of delay.
– Andreas Rudolph
Jun 20 '13 at 8:19
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jQuery duplicate DIV into another DIV
...tp://jsfiddle.net/3rXjx/
From the jQuery docs:
The .clone() method performs a deep copy of the set of matched
elements, meaning that it copies the matched elements as well as all
of their descendant elements and text nodes. When used in conjunction
with one of the insertion methods, .clon...
How do you delete an ActiveRecord object?
...l(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destroy and :after_destroy callbacks or any dependent association options.
User.delete_all(condition: 'value') will allow you to delete records
without a primary key
Note: from @hammady's comment, user.d...
How do you serialize a model instance in Django?
... [0] at the end of your last line, like @DavorLucic suggested? And no need for trailing comma in your list literal (for the love of PEP8 ;).
– hobs
Oct 29 '14 at 18:16
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