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What's the Best Way to Shuffle an NSMutableArray?
If you have an NSMutableArray , how do you shuffle the elements randomly?
12 Answers
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JavaScript: filter() for Objects
...filter() prototype for Array types, but not Object types, if I understand correctly.
15 Answers
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Sum a list of numbers in Python
I have a list of numbers such as [1,2,3,4,5...] , and I want to calculate (1+2)/2 and for the second, (2+3)/2 and the third,
(3+4)/2 , and so on. How can I do that?
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Android emulator shows nothing except black screen and adb devices shows “device offline”
I am just trying to start development in Android.
So, the problem is that when I try to launch an emulator by issuing the command emulator @A2 , an emulator comes up on the screen. But even after waiting for as long as 2-3 hrs, all it shows is a black screen. Not even the android home screen or t...
What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
I know some differences of LINQ to Entities and LINQ to Objects which the first implements IQueryable and the second implements IEnumerable and my question scope is within EF 5.
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Finding current executable's path without /proc/self/exe
...ecutable or a name that was found using $PATH.
Some shells, including bash and ksh, set the environment variable "_" to the full path of the executable before it is executed. In that case you can use getenv("_") to get it. However this is unreliable because not all shells do this, and it could be ...
How to replace plain URLs with links?
I am using the function below to match URLs inside a given text and replace them for HTML links. The regular expression is working great, but currently I am only replacing the first match.
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Why are dates calculated from January 1st, 1970?
Is there any reason behind using date(January 1st, 1970) as default standard for time manipulation? I have seen this standard in Java as well as in Python. These two languages I am aware of. Are there other popular languages which follows the same standard?
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Check string for palindrome
... ++i1;
--i2;
}
return true;
}
Example:
Input is "andna".
i1 will be 0 and i2 will be 4.
First loop iteration we will compare word[0] and word[4]. They're equal, so we increment i1 (it's now 1) and decrement i2 (it's now 3).
So we then compare the n's. They're equal, so w...
In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...ld from is all about. Because, let's face it, if all yield from does is expand the for loop, then it does not warrant adding yield from to the language and preclude a whole bunch of new features from being implemented in Python 2.x.
What yield from does is it establishes a transparent bidirectional...