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How to have stored properties in Swift, the same way I had on Objective-C?
...class ObjectAssociation<T: AnyObject> {
private let policy: objc_AssociationPolicy
/// - Parameter policy: An association policy that will be used when linking objects.
public init(policy: objc_AssociationPolicy = .OBJC_ASSOCIATION_RETAIN_NONATOMIC) {
self.policy = polic...
How can I return two values from a function in Python?
... you can return a tuple or a list and unpack it after the call:
def select_choice():
...
return i, card # or [i, card]
my_i, my_card = select_choice()
On line return i, card i, card means creating a tuple. You can also use parenthesis like return (i, card), but tuples are created by com...
Python: One Try Multiple Except
...
Yes, it is possible.
try:
...
except FirstException:
handle_first_one()
except SecondException:
handle_second_one()
except (ThirdException, FourthException, FifthException) as e:
handle_either_of_3rd_4th_or_5th()
except Exception:
handle_all_other_exceptions()
See: htt...
How can I use if/else in a dictionary comprehension?
...ict comprehension must have two expressions, separated by a colon:
{ (some_key if condition else default_key):(something_if_true if condition
else something_if_false) for key, value in dict_.items() }
The final if clause acts as a filter, which is different from having the conditional e...
How to load a xib file in a UIView
...eView: UITableView) -> Int {
return 1
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return 5
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let restaurantTa...
Efficient evaluation of a function at every cell of a NumPy array
...ze(f) # or use a different name if you want to keep the original f
result_array = f(A) # if A is your Numpy array
It's probably better to specify an explicit output type directly when vectorizing:
f = np.vectorize(f, otypes=[np.float])
...
Get the Last Inserted Id Using Laravel Eloquent
... used like this.
return Response::json(array('success' => true, 'last_insert_id' => $data->id), 200);
For updated laravel version try this
return response()->json(array('success' => true, 'last_insert_id' => $data->id), 200);
...
Site stopped working in asp.net System.Web.WebPages.Razor.Configuration.HostSection cannot be cast t
...he context
'Default' at location
'C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Web.WebPages.Razor\v4.0_2.0.0.0__31bf3856ad364e35\System.Web.WebPages.Razor.dll'.
Type B originates from 'System.Web.WebPages.Razor, Version=3.0.0.0,
Culture=neutral, PublicKeyToken=31bf3856ad364e35' in the c...
Way to ng-repeat defined number of times instead of repeating over array?
...
You could also use _.range from Underscore or lodash to create the array: $scope.range = _.range(0, n);
– afternoon
Dec 12 '13 at 15:03
...
What is the closest thing Windows has to fork()?
...he current process. Otherwise, this
parameter must be a handle of the SEC_IMAGE section object created on
the EXE file before calling ZwCreateProcess().
Though note that Corinna Vinschen indicates that Cygwin found using ZwCreateProcess() still unreliable:
Iker Arizmendi wrote:
> ...