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Passing Data between View Controllers
...owAtIndexPath:
(NSIndexPath *)indexPath {
NSString *voucher = vouchersArray[indexPath.row];
if (sourceVC.selectVoucherBlock) {
sourceVC.selectVoucherBlock(voucher);
}
[self.navigationController popToViewController:sourceVC animated:YES];
}
Another Working Example for Block...
Program only crashes as release build — how to debug?
... run outside, the cause has been writing past the end of a function local array. (The debugger puts more on the stack, so you're less likely to overwrite something important.)
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Android JSONObject - How can I loop through a flat JSON object to get each key and value
...orm for (String s: json.keys()) { ... } It's a real shame that neither JSONArray nor JSONObject are iterable. :-(
– tu-Reinstate Monica-dor duh
Jun 15 '15 at 2:25
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What is Double Brace initialization in Java?
...vides an initialiser block within that class (the inner braces). e.g.
new ArrayList<Integer>() {{
add(1);
add(2);
}};
Note that an effect of using this double brace initialisation is that you're creating anonymous inner classes. The created class has an implicit this pointer to the su...
Using Linq to get the last N elements of a collection?
...lem with most enumerables; in fact, optimizations exist already for Lists, Arrays, and even EF queries to evaluate the Count() operation in O(1) time.
If, however, you must use a forward-only enumerable and would like to avoid making two passes, consider a one-pass algorithm like Lasse V. Karlsen o...
Evenly distributing n points on a sphere
...
In this example code node[k] is just the kth node. You are generating an array N points and node[k] is the kth (from 0 to N-1). If that is all that is confusing you, hopefully you can use that now.
(in other words, k is an array of size N that is defined before the code fragment starts, and which...
How to convert JSON to a Ruby hash
...github.com/json/?
Failing that, you could just parse it out? If it's only arrays you're interested in, something to split the above out will be quite simple.
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Priority queue in .Net [closed]
...ents interface IPriorityQueue<T> using an interval heap stored as an array of pairs. The FindMin and
FindMax operations, and the indexer’s get-accessor, take time O(1). The DeleteMin,
DeleteMax, Add and Update operations, and the indexer’s set-accessor, take time
O(log n). In contrast to a...
Select objects based on value of variable in object using jq
... to_entries and from_entries to convert between objects and key-value pair arrays. That along with map around the select
These functions convert between an object and an array of key-value
pairs. If to_entries is passed an object, then for each k: v entry in
the input, the output array incl...
Laravel - Route::resource vs Route::controller
... static routes Route::get(...)? I think it's not better not worst than use array('only' => array('index', 'show'). And what method used for RESTFull controller when we request something like 'user/123', getIndex() works for 'user/' but with user/123 I get error NotFoundHttpException (tried diff...