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Create UIActionSheet 'otherButtons' by passing in array, not varlist
... Button",@"4th Button"];
UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:@"Title Here"
delegate:self
cancelButtonTitle:nil
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How to cast an object in Objective-C
...g works as it does in C:
myEditController = [[SelectionListViewController alloc] init];
((SelectionListViewController *)myEditController).list = listOfItems;
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How to find the 'sizeof' (a pointer pointing to an array)?
... which is to stash the size somewhere. For example, if you're dynamically allocating the array, allocate a block one int bigger than the one you need, stash the size in the first int, and return ptr+1 as the pointer to the array. When you need the size, decrement the pointer and peek at the stashe...
Regex Last occurrence?
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In a Tempered Greedy Token, the dot should always come after the lookahead: (?:(?!\\).)+. (ref) Also, your example on RegExr uses two backslashes to separate path components; there should be only one, and the regex should match only one. (demo)
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Passing parameters in rails redirect_to
...erging: redirect_to act_house_path(request.parameters.except(:authenticity_token, :controller, :action, :utf8, :commit)
– mr i.o
Jun 16 '16 at 21:18
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String concatenation vs. string substitution in Python
...-squared. Some languages will optimize concatenation to the most recently allocated string, but it's risky to count on the compiler to optimize your quadratic algorithm down to linear. Best to use the primitive (join?) that takes an entire list of strings, does a single allocation, and concatenate...
Mix Razor and Javascript code
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It returns Uncaught SyntaxError: Unexpected token & because the model becomes something like this [{"Id":1,"Name":"Name}]
– Weihui Guo
Feb 4 '19 at 15:33
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What does MVW stand for?
...as the point is to understand the concepts from the terms, but by the same token, fully understanding the terms helps one when they are designing their application code, knowing what goes where and why.
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Multi-line strings in PHP
...owdoc syntax.
$var is NOT replaced in a nowdoc.
EOD;
Beware that the end token EOD must not be indented at all, or PHP won't acknowledge it. Also, you don't have to use "EOD"; it can be any string you want.
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What is NSZombie?
...nabled then whenever an object reaches retain count 0, rather than being deallocated it morphs itself into an NSZombie instance. Whenever such a zombie receives a message, it logs a warning rather than crashing or behaving in an unpredictable way. As such, you can debug subtle over-release/autorelea...