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How to set UICollectionViewDelegateFlowLayout?
...from UICollectionViewDelegate.
I admit it caught me off guard at first.
Oh and this will only work if self.collectionView.collectionViewLayout is actually set to your flow layout. (or set with initWithFrame:collectionViewLayout:)
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How do I force git to use LF instead of CR+LF under windows?
...d in his question:
the files checked out using msysgit are using CR+LF and I want to force msysgit to get them with LF
A first simple step would still be in a .gitattributes file:
# 2010
*.txt -crlf
# 2020
*.txt text eol=lf
(as noted in the comments by grandchild, referring to .gitattribu...
What is the difference between a generative and a discriminative algorithm?
Please, help me understand the difference between a generative and a
discriminative algorithm, keeping in mind that I am just a beginner.
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How can I drop all the tables in a PostgreSQL database?
How can I drop all tables in PostgreSQL, working from the command line?
24 Answers
24
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How do I escape a percentage sign in T-SQL?
... to look for 75%
WHERE MyCol LIKE '%75[%]%'
This is simpler than ESCAPE and common to most RDBMSes.
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Storing Images in PostgreSQL
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Updating to 2012, when we see that image sizes, and number of images, are growing and growing, in all applications...
We need some distinction between "original image" and "processed image", like thumbnail.
As Jcoby's answer says, there are two options, then, I recommend:
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Best way to determine user's locale within browser
I have a website (Flash) localized into a dozen of languages and I want to auto-define a default value depending on the user's browser settings in order to minimize the steps to access the content.
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How do I split a string with multiple separators in javascript?
...ith multiple separators in JavaScript? I'm trying to split on both commas and spaces but, AFAIK, JS's split function only supports one separator.
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Unicode (UTF-8) reading and writing to files in Python
I'm having some brain failure in understanding reading and writing text to a file (Python 2.4).
14 Answers
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Display image as grayscale using matplotlib
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The following code will load an image from a file image.png and will display it as grayscale.
import numpy as np
import matplotlib.pyplot as plt
from PIL import Image
fname = 'image.png'
image = Image.open(fname).convert("L")
arr = np.asarray(image)
plt.imshow(arr, cmap='gray', vmin...