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Storyboard doesn't contain a view controller with identifier
...board (see screenshot below).
Sometimes people believe that the first one is the Storyboard ID and the second one the View Controller class name, so note the difference.
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Good or bad practice? Initializing objects in getter
...y initialization unconditionally is not a good idea. It has its places but one has to take into consideration the impacts this solution has.
Background and explanation:
Concrete implementation:
Let's first look at your concrete sample and why I consider its implementation naive:
It violates the ...
Is there a way to measure how sorted a list is?
...r (i,j) is called an inversion of A.
The inversion number of a sequence is one common measure of its sortedness.Formally, the inversion number is defined to be the number of inversions, that is,
To make these definitions clearer, consider the example sequence 9, 5, 7, 6. This sequence has the inve...
What is the use of static constructors?
...d when would we create a static constructor and is it possible to overload one?
7 Answers
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How to append one file to another in Linux from the shell?
...rmissions on that file - be sure to restore the old file permissions once done
– danday74
Mar 9 '16 at 18:54
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How to set an iframe src attribute from a variable in AngularJS
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...but this one works when I pass it into the ng-src attribute! Thanks.
– emersonthis
Nov 19 '13 at 12:23
2
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Func delegate with no return type
...lt:
public delegate TResult Func<TResult>()
Action<T> takes one argument and does not return a value:
public delegate void Action<T>(T obj)
Action is the simplest, 'bare' delegate:
public delegate void Action()
There's also Func<TArg1, TResult> and Action<TArg1, T...
Logical operator in a handlebars.js {{#if}} conditional
...t the logicless nature of Handlebars / Moustache, but is certainly useful nonetheless, thanks!
– Bala Clark
Jun 29 '12 at 11:09
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How to delete every other line in Vim?
...ike to delete every other line from a Vim buffer, starting with the second one, i.e., lines 2, 4, 6, etc. For example, if the buffer’s contents is:
...
Geometric Mean: is there a built-in?
...
No, but there are a few people who have written one, such as here.
Another possibility is to use this:
exp(mean(log(x)))
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