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How to read the RGB value of a given pixel in Python?
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photo = Image.open('IN.jpg') #your image
photo = photo.convert('RGB')
width = photo.size[0] #define W and H
height = photo.size[1]
for y in range(0, height): #each pixel has coordinates
row = ""
for x in range(0, width):
RGB = photo.getpixel((x,y))
R,G,...
What is uintptr_t data type
...igned integer type with the property that any valid pointer to void can be converted to this type, then converted back to pointer to void, and the result will compare equal to the original pointer".
Take this to mean what it says. It doesn't say anything about size.
uintptr_t might be the same siz...
Objective-C parse hex string to integer
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In addition, you could use a string substitution to convert the # character to the 0x prefix.
– hotpaw2
Sep 6 '10 at 0:57
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converting a .net Func to a .net Expression
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NJection.LambdaConverter is a library that converts a delegate to an expression
public class Program
{
private static void Main(string[] args) {
var lambda = Lambda.TransformMethodTo<Func<string, int>>()
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Convert a JSON String to a HashMap
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When using the Gson to convert string to hashmap<String, Object>, the integers are getting converted to Floats and this is creating a huge problem when using the converted Hashmap. If I use hashmap<String, Integer>, it works perfectly. ...
How to display a specific user's commits in svn log?
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You can write a script to parse it, for example, in Python 2.6:
import sys
from xml.etree.ElementTree import iterparse, dump
author = sys.argv[1]
iparse = iterparse(sys.stdin, ['start', 'end'])
for event, elem in iparse:
if event == 'start' and elem.tag == 'log':
logNode = elem
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How do I convert an interval into a number of hours with postgres?
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If you convert table field:
Define the field so it contains seconds:
CREATE TABLE IF NOT EXISTS test (
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field INTERVAL SECOND(0)
);
Extract the value. Remember to cast to int other wise you can get an unple...
Get exception description and stack trace which caused an exception, all as a string
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It is better than sys.exc_info() which is not good OO style and use global variable.
– WeiChing 林煒清
May 20 '16 at 4:00
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Difference between java.util.Random and java.security.SecureRandom
....util.Random source code (JDK 7u2), from a comment on the method protected int next(int bits), which is the one that generates the random values:
This is a linear congruential pseudorandom number generator, as
defined by D. H. Lehmer and described by Donald E. Knuth in
The Art of Compute...
How to go about formatting 1200 to 1.2k in java
... This code is sensitive to locale, for example in sv_SE locale 1000 converts to 10x10³, which is not matched correctly by the regexp.
– Joakim Lundborg
Feb 5 '14 at 22:53
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