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Custom Python list sorting
...d takes optional arguments for controlling the
comparisons.
cmp specifies a custom comparison function of two arguments (list
items) which should return a negative, zero or positive number
depending on whether the first argument is considered smaller than,
equal to, or larger than the ...
Django REST Framework: adding additional field to ModelSerializer
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So, based on this answer, if you want to pass say 12 extra fields to your serializer, you need to define 12 specific methods for each field that just returns foo.field_custom ?
– AlxVallejo
Apr 13 '18 at 19:13
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How can i get the session object if i have the entity-manager
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To be totally exhaustive, things are different if you're using a JPA 1.0 or a JPA 2.0 implementation.
JPA 1.0
With JPA 1.0, you'd have to use EntityManager#getDelegate(). But keep in mind that the result of this method is implementation specific i.e. non porta...
How do I iterate over a range of numbers defined by variables in Bash?
...h usually slows things down. This may not matter but it becomes important if you're writing a script to handle lots of data.
– paxdiablo
Oct 4 '08 at 1:45
38
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How to clone git repository with specific revision/changeset?
How can I clone git repository with specific revision, something like I usually do in Mercurial:
15 Answers
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jQuery disable/enable submit button
...'disabled', true);
$('input[type="text"]').keyup(function() {
if($(this).val() != '') {
$(':input[type="submit"]').prop('disabled', false);
}
});
});
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How can I bind to the change event of a textarea in jQuery?
I want to capture if any changes happened to <textarea> . Like typing any characters (deleting,backspace) or mouse click and paste or cut. Is there a jQuery event that can trigger for all those events?
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Animate visibility modes, GONE and VISIBLE
..."
and it will animate changes automatically for you.
For information, if android:animateLayoutChanges="true" is used, then custom animation via anim xml will not work.
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HttpURLConnection timeout settings
I want to return false if the URL takes more then 5 seconds to connect - how is this possible using Java? Here is the code I am using to check if the URL is valid
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event.preventDefault() function not working in IE
...er not to get an error, you can test for the existence of preventDefault:
if(event.preventDefault) event.preventDefault();
You can combine the two with:
event.preventDefault ? event.preventDefault() : (event.returnValue = false);
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