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How set background drawable programmatically in Android
...awable(this, R.drawable.ready));
getActivity() is used in a fragment, if calling from a activity use this.
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Updating the list view when the adapter data changes
...stView.setAdapter(adapter);
and after updating the value of a list item, call:
adapter.notifyDataSetChanged();
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How to easily initialize a list of Tuples?
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You can do this by calling the constructor each time with is slightly better
var tupleList = new List<Tuple<int, string>>
{
new Tuple<int, string>(1, "cow" ),
new Tuple<int, string>( 5, "chickens" ),
new Tup...
Should I use .done() and .fail() for new jQuery AJAX code instead of success and error
...precation Notice:
The jqXHR.success(), jqXHR.error(), and jqXHR.complete() callbacks will be deprecated in jQuery 1.8. To prepare your code for their eventual removal, use jqXHR.done(), jqXHR.fail(), and jqXHR.always() instead.
If you are using the callback-manipulation function (using method-chain...
creating a random number using MYSQL
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This should give what you want:
FLOOR(RAND() * 401) + 100
Generically, FLOOR(RAND() * (<max> - <min> + 1)) + <min> generates a number between <min> and <max> inclusive.
Update
This full statement should work:
SELECT name, address, FLOOR(RAND() * 401) + 100...
An item with the same key has already been added
... this error whenever I submit the form also the action method is not being called because of this:
21 Answers
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Best practice for partial updates in a RESTful service
... the best practice for updating records partially. For example, I want the caller to be able to read the full record with a GET request. But for updating it only certain operations on the record are allowed, like change the status from ENABLED to DISABLED. (I have more complex scenarios than this)
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What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
... there a reason to prefer one over the other in terms of size etc.. Specifically for lightweight AJAX calls?
– user
Aug 8 '14 at 14:10
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How to get Url Hash (#) from server side
...e selecting of the field, etc ... all in all it ends up being a few jQuery calls, one to save the value, and another to restore it.
Before submit:
$("form").submit(function() {
$("input", "#urlhash").val(window.location.hash);
});
On page load:
var hashVal = $("input", "#urlhash").val();
if (...
Inserting a Python datetime.datetime object into MySQL
...you are on MySQL. Just format the date and try it as a separate direct SQL call to test.
In Python, you can get an ISO date like
now.isoformat()
For instance, Oracle likes dates like
insert into x values(99, '31-may-09');
Depending on your database, if it is Oracle you might need to TO_DATE i...