Sometimes we need to flip the picture (uiimage) vertically (upside down) or flip it horizontally (that is, mirroring). The following figure:
There are usually two ways.
Method One, changing the direction of the picture
1, the
POP deletes last item
Deletes the last item and returns the value of the deleted element, or returns Undefine if the array is empty
var a = [1,2,3,4,5];
A.pop ();//a:[1, 2, 3, 4]
a.pop ();//a:[1, 2, 3]
Shift deletes the first item
The realization process of the lottery: the front page provides 6 squares, with the number 1-6 in turn to represent 6 different squares, when the lottery is clicked on a piece of 6 squares, the box flips to the back, showing the lottery winning
Question understanding: 4x4 = 16 grids, each of which has two colors: Black (B) or white (W). After giving the initial color, you can flip a grid at a time, that is, from black to white, or from white to black. Each time you flip a grid, the four
Flip game
Time limit:1000 ms
Memory limit:65536 K
Total submissions:14735
Accepted:6321
Description Flip game is played on a rectangular 4x4 field with two-sided pieces placed on each of its 16
It's still too weak. This dish, which is considered to be a question of stretching tree water, has been around for a long time...
N count
Each time you flip the number from position I to the position where the number I is big, the output is
Life: This article reposted from http://baike.baidu.com/view/3527644.htm
Note: The cvflip function of opencv can be used to flip an image. Of course, you can also flip an image by directly operating its BIT data, in the future, we hope to have the
Python provides an example to flip an array.
This example describes how to use Python to flip an array. We will share this with you for your reference. The details are as follows:
Description
Given an integer array a with a length of n, the
DescriptionFlip game is played on a rectangular 4×4 field with two-sided pieces placed on each of its squares. One side of each piece are white and the other one are black and each piece is lying either it's black or white side up. Each round your
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