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How to easily initialize a list of Tuples?
...
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...
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...
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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Calling filter returns [duplicate]
...ng. After all, to recover the ability to get the length, you just need to call len(list(filter(...))) instead of len(filter(...)).
– mgilson
Nov 4 '16 at 16:06
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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...
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 (...
Real life example, when to use OUTER / CROSS APPLY in SQL
... ORDER BY pr.name) pa
ORDER BY pr.name,
pa.name
2) Calling a Table Valued Function for each row in the outer query
SELECT *
FROM sys.dm_exec_query_stats AS qs
CROSS APPLY sys.dm_exec_query_plan(qs.plan_handle)
3) Reusing a column alias
SELECT number,
doubled_numbe...