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Get the closest number out of an array
I have a number from minus 1000 to plus 1000 and I have an array with numbers in it. Like this:
20 Answers
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Sending a message to nil in Objective-C
...x:i]; This will also return 0, but since objectAtIndex: returns a pointer, and a pointer to 0 is nil/NULL, NSLog will be passed nil each time through the loop. (Although NSLog is a function and not a method, it prints out (null) if passed a nil NSString.
In some cases it's nicer to have a NullPoint...
Finding the average of a list
...sum(l) / float(len(l))
There is no need to use reduce. It is much slower and was removed in Python 3.
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Can an abstract class have a constructor?
... what) {
super(what);
}
}
The superclass Product is abstract and has a constructor. The concrete class TimesTwo has a constructor that just hardcodes the value 2. The concrete class TimesWhat has a constructor that allows the caller to specify the value.
Abstract constructors will fre...
Making git diff --stat show full file path
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The git diff command takes optional values for --stat:
--stat[=<width>[,<name-width>[,<count>]]]
Generate a diffstat. You can override the default output width for
80-column terminal by --stat=<width>. T...
Disposing WPF User Controls
...sed by a third party. My control has a private member which is disposable, and I would like to ensure that its dispose method will always get called once the containing window/application is closed. However, UserControl is not disposable. I tried implementing the IDisposable interface and subscribin...
Element-wise addition of 2 lists?
... There are many times where python syntax is really elegant and simple, but unfortunately this isn't one of them. And for such a simple task, it's a pity.... Why would they make "+" concatenate the lists when there's already the .extend() method?
– Nic Scozzaro
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Interfaces vs. abstract classes [duplicate]
In C#, when should you use interfaces and when should you use abstract classes? What can be the deciding factor?
4 Answers...
How to iterate through range of Dates in Java?
...t I need to perform a set of actions through range of dates, given a start and end date.
Please provide me guidance to achieve this using Java.
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Sound alarm when code finishes
I am in a situation where my code takes extremely long to run and I don't want to be staring at it all the time but want to know when it is done.
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