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Transpose list of lists
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How about
map(list, zip(*l))
--> [[1, 4, 7], [2, 5, 8], [3, 6, 9]]
For python 3.x users can use
list(map(list, zip(*l)))
Explanation:
There are two things we need to know to understand what's going on:
The signature of zip: zip(*iterables) This means zip ...
How to check if a number is a power of 2
...Let us for the sake of simplicity assume that someone has passed the value 4 and called the function like so:
bool b = IsPowerOfTwo(4)
Now we replace each occurrence of x with 4:
return (4 != 0) && ((4 & (4-1)) == 0);
Well we already know that 4 != 0 evals to true, so far so good. ...
TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes
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4 Answers
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How to ignore SSL certificate errors in Apache HttpClient 4.0
How do I bypass invalid SSL certificate errors with Apache HttpClient 4.0?
23 Answers
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Using async/await for multiple tasks
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int[] ids = new[] { 1, 2, 3, 4, 5 };
Parallel.ForEach(ids, i => DoSomething(1, i, blogClient).Wait());
Although you run the operations in parallel with the above code, this code blocks each thread that each operation runs on. For example, if the net...
Need a simple explanation of the inject method
...sonDrew Olson
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Iteration ng-repeat only X times in AngularJs
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342
Angular comes with a limitTo:limit filter, it support limiting first x items and last x items:...
Remove all occurrences of a value from a list?
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524
Functional approach:
Python 3.x
>>> x = [1,2,3,2,2,2,3,4]
>>> list(filter((2...