Gray Guide with the Pen Tool in Photoshop CC

I do not know if it's a recent upgrade or if I've erred by mistake, but now the pencil tool line of action is gray.

When I click on the settings of the pen tool, the blue appears but everything is grayed out.

Same thing with gradients.

How can I prove that the gray zone is identical to the white zone?

A circle is cut into 8 parts, each part having the angle 45 degrees from any point. How to prove that the white zone is identical to the gray zone?
Circle cut into 8 parts

I just want a hint to solve this question. How can I prove it?

How can I get the color 'black, gray and white & # 39; in mathematica?

I draw a density graph and have used the "ColorFunction" command, but I have not managed to get the color "black, gray and white" as paper. The images are as follows:
enter the description of the image here

enter the description of the image here

macos – factory settings MacBook Pro 13-inch 2011 – gray stop sign

Because I sell my old MacBook Pro (13 inches, 2011) and, for this reason, restores it to the factory settings.

I followed the steps for that. The discs were first erased, which only partially succeeded. In the next step "Reinstall MacOS", a gray screen will appear and I can not go out (even after turning off the laptop). Hellup.enter the description of the image here

Photos are gray / corrupt?

Every time I take pictures with my phone, the picture turns gray, with only a strip of the photo on the side. I recently reset my phone to try to solve the problem, and it worked, but everything started again. I had an SD card, but I removed it and the problem was still there.

Thank you for any help!

Sample image:
example of corruption

Python pygame displays images on screen from a string / surface buffer, in gray

I want to display the images on the screen in their original color, but this code displays grayscale images. I want to use pygame.images.frombuffer () because it is the least use of resources. We are also looking for formatting and OOP critics.

import pygame
# random import


colors = {
"red": [255, 0, 0],
"black": [0, 0, 0],
"White": [255, 255, 255],
"blue": [0, 0, 255],
"green": [0, 255, 0]
}


images = ['house.bmp', 'car.bmp', 'logo.bmp']
imageFormat = "ARGB"


resolution = {
"small": [600, 600],
"Great": [1200, 700],
"X-Large": [1920, 1600]
}

screenSize = resolution["large"]
bottomEdge, rightEdge = screenSize


pygame.init ()
clock = pygame.time.Clock ()

gameDisplay = pygame.display.set_mode (screenSize, 0, 32)
pygame.display.set_caption ("Wandering stay")


imageList = {}
for the image in pictures:
"" "Load the images from the folder into the dict of surface buffers." ""
__img = pygame.image.load ('images /' + image)
__img_size = pygame.Surface.get_rect (__ img) .size
__img = pygame.image.tostring (__ img, imageFormat)
__img = pygame.image.frombuffer (__ img, __img_size, imageFormat)
imageList[image] = __img


# def drawImage (imageToDraw, imagePosition):
# "" "Docstring.
#
# This is more summary of this function.
# "" "
# gameDisplay.blit (imageToDraw, imagePosition)


gameOver = False
while you're not gameOver:
for the event in pygame.event.get ():
if event.type == pygame.QUIT:
gameOver = True

gameDisplay.fill (colors["black"])
gameDisplay.blit (imageList['house.bmp'], (50, 50))
gameDisplay.blit (imageList['car.bmp'], (100, 50))
gameDisplay.blit (imageList['logo.bmp'], (bottomEdge-50, rightEdge-50))

pygame.display.update ()
clock.tick (60)

pygame.quit ()
to leave()

disable or gray out the button to send a Cognito form

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kali linux – The screen turns gray after the connection, nothing happens

Hello, I installed kali linux fresh from an iso file, it worked well, but when I updated with apt-get dist-upgrade, it was stuck on a gray screen after the connection, only the mouse works. I think that might have to do with my graphics card problem.
System:
Processor: Intel i5 5th generation
Graphics: Radeon AMD
RAM: 8GB
Hard disk: 500gb
Kali version before the update: 2018.4

Gray text on black background | Promotion Forum

https://uxmovement.com/content/when-to-use-white-text-on-a-dark-background/

I noticed the same thing on my forum:

https://thedrumlesson.com/index.php?threads/181/ (may have changed after I edited these things)

example.jpg

In addition, the text is too small. These elements need to be fixed, the text enlarged and a gray tint – as in my old default theme.

computer vision – what do the middle and middle filters do with a n x n kernel (neighborhood) at the gray levels of the image?

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