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Distributed sequence number generation?
...que IDs that are (optionally) loosely sortable by a specific criteria (typically generation time). True sequence numbers imply knowledge of what all other workers have done, and as such require shared state. There is no easy way of doing this in a distributed, high-scale manner. You could look into ...
How can I use an array of function pointers?
...ul; /* address of mul() */
p[3] = div; /* address of div() */
[...]
To call one of those function pointers:
result = (*p[op]) (i, j); // op being the index of one of the four functions
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Pass request headers in a jQuery AJAX GET call
...eaders in an AJAX GET using jQuery. In the following block, "data" automatically passes the values in the querystring. Is there a way to pass that data in the request header instead ?
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Using Chrome, how to find to which events are bound to an element
...anel. Use a Mouse -> click breakpoint and then "step into next function call" while keeping an eye on the call stack to see what userland function handles the event. Ideally, you'd replace the minified version of jQuery with an unminified one so that you don't have to step in all the time, and us...
Liquibase lock - reasons?
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There is a built-in command in Liquibase called releaseLocks that would execute what @Adrian Ber answered but I think it is database agnostic.
– user1434769
Oct 26 '15 at 11:17
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How does lucene index documents?
...indexing Skip-Lists also explains why Lucene's Skip-List implementation is called a multi-level Skip-List - essentially, to make O(log n) look-ups possible (again, much like B-Trees).
So once the inverted (term) index - which is based on a Skip-List data structure - is built from the documents, the...
Join/Where with LINQ and Lambda
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var post = Posts.Single(p => p.ID == 1); // Post_metas loaded automagically
It is possible to make many LoadWith calls on a single set of DataLoadOptions for the same type, or many different types. If you do this lots though, you might just want to consider caching.
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Send JSON data via POST (ajax) and receive json response from Controller (MVC)
...ible for parsing the data in the correct way and send the data back to the caller (webapp). The caller could also be something like fiddler, or postman, or maybe another app.. Hope this makes sense..
– Dieterg
Jul 10 '14 at 9:19
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Transferring ownership of an iPhone app on the app store
...The metadata in the store was merged with the Evernote app metadata (Apple calls this an "artist merge") so the headers and related apps show up correctly in the store. Sam is correct here; app transfer between accounts is not currently possible.
– Ben Zotto
Ap...
Button in a column, getting the row from which it came on the Click event handler
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Basically your button will inherit the datacontext of a row data object. I am calling it as MyObject and hope MyObject.ID is what you wanted.
private void Button_Click(object sender, RoutedEventArgs e)
{
MyObject obj = ((Fra...