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Why does base64 encoding require padding if the input length is not divisible by 3?
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213
Your conclusion that padding is unnecessary is right. It's always possible to determine the len...
C#: How to convert a list of objects to a list of a single property of that object?
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183
List<string> firstNames = people.Select(person => person.FirstName).ToList();
And w...
How to use UIScrollView in Storyboard
I have a scroll view with content that is 1000px tall and would like to be able to lay it out for easy design on the storyboard.
I know it can be done programmatically but I really want to be able to see it visually. Every time I put a scroll view on a view controller it won't scroll. Is it possib...
How can I quantify difference between two images?
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General idea
Option 1: Load both images as arrays (scipy.misc.imread) and calculate an element-wise (pixel-by-pixel) difference. Calculate the norm of the difference.
Option 2: Load both images. Calculate some feature vector for each of them (l...
How to verify that a specific method was not called using Mockito?
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1132
Even more meaningful :
import static org.mockito.Mockito.never;
import static org.mockito.Mo...
How can I return two values from a function in Python?
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edited Sep 11 '18 at 7:58
answered Mar 17 '12 at 19:20
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How do I write LINQ's .Skip(1000).Take(100) in pure SQL?
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)
SELECT *
FROM OrderedOrders
WHERE RowNumber BETWEEN 51 AND 60; --BETWEEN is inclusive
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What is NSZombie?
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193
It's a memory debugging aid. Specifically, when you set NSZombieEnabled then whenever an objec...
Pointers in C: when to use the ampersand and the asterisk?
...rst element
To get the second element:
int a[2]; // array
int i = *(a + 1); // the value of the second element
int i2 = a[1]; // the value of the second element
So the [] indexing operator is a special form of the * operator, and it works like this:
a[i] == *(a + i); // these two statements a...