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/* | |
How can we read all data from a firestore collection? | |
Problem: | |
When you are reading a hug collection doc by doc from Firebase these problems happens for you: | |
1. firestore cursor is not proper as a powerful cursor as to be able make this task done. | |
2. after few thousands request you will get Bandwidth Exhausted error. | |
Solution |
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function get(obj, path, def) { | |
var fullPath = path | |
.replace(/\[/g, '.') | |
.replace(/]/g, '') | |
.split('.') | |
.filter(Boolean); | |
return fullPath.every(everyFunc) ? obj : def; | |
function everyFunc(step) { |
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#Resizes an image and keeps aspect ratio. Set mywidth to the desired with in pixels. | |
import PIL | |
from PIL import Image | |
mywidth = 300 | |
img = Image.open('someimage.jpg') | |
wpercent = (mywidth/float(img.size[0])) | |
hsize = int((float(img.size[1])*float(wpercent))) |