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iOS app error - Can't add self as subview

...ControllerDelegate protocol. This includes the following method, which is called after the animation is complete: navigationController:didShowViewController:animated: Basically you want to move some code as needed into this method to ensure that no other actions that could cause a change to the N...
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Moq: Invalid setup on a non-overridable member: x => x.GetByTitle(“asdf”)

... because the call to GetArticleDAO from the factory returns ArticleDAO not IArticleDAO, b/c articleDAO also binds to an abstract class that has nhibernate stuff in it. – mrblah Dec 25 '09 at 21:57 ...
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What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?

...can omit dot when using the prefix, infix and postfix notations -- the so called operator notation. While using the operator notation, and only then, you can omit the parenthesis if there is less than two parameters passed to the method. Now, the operator notation is a notation for method-call, whi...
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How to concatenate strings in twig

...like Alessandro said, and here it is in the documentation: ~: Converts all operands into strings and concatenates them. {{ "Hello " ~ name ~ "!" }} would return (assuming name is 'John') Hello John!. – http://twig.sensiolabs.org/doc/templates.html#other-operators And here is an example so...
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Where is array's length property defined?

...uage itself. 10.7. Array Members The members of an array type are all of the following: The public final field length, which contains the number of components of the array. length may be positive or zero. The public method clone, which overrides the method of the same name in clas...
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Get difference between 2 dates in JavaScript? [duplicate]

...day. As for always returning a positive number, that was a feature :) Typically when one talks about the number of days between two dates, that number is positive. If direction matters, just remove the Math.abs(). – TNi Jul 11 '10 at 22:38 ...
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Run command on the Ansible host

... Yes, you can run commands on the Ansible host. You can specify that all tasks in a play run on the Ansible host, or you can mark individual tasks to run on the Ansible host. If you want to run an entire play on the Ansible host, then specify hosts: 127.0.0.1 and connection:local in the play,...
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How to convert 2D float numpy array to 2D int numpy array?

...(int), np.array([-np.inf]).astype(int), and np.array([np.nan]).astype(int) all return the same thing. Why? – BallpointBen May 14 '18 at 20:47 1 ...
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Remove empty elements from an array in Javascript

...ll return you a new array with the elements that pass the criteria of the callback function you provide to it. For example, if you want to remove null or undefined values: var array = [0, 1, null, 2, "", 3, undefined, 3,,,,,, 4,, 4,, 5,, 6,,,,]; var filtered = array.filter(function (el) { ...
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How to change height of grouped UITableView header?

... Return CGFLOAT_MIN instead of 0 for your desired section height. Returning 0 causes UITableView to use a default value. This is undocumented behavior. If you return a very small number, you effectively get a zero-height header. S...