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@1f0
1f0 / integer_partition_ways.py
Created October 29, 2021 13:53
def partition(n):
# x: current coin, y: remain value
def helper(x, y):
if y <= 0:
return int(y == 0)
# use x and not use x
z = helper(x, y-x)
if x < y:
z += helper(x+1, y)
return z
@1f0
1f0 / png_compression_quality_test.ipynb
Created August 25, 2021 05:05
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@1f0
1f0 / simplest_laplacian_deformation.py
Created March 4, 2021 03:09
import numpy as np
import matplotlib.pyplot as plt
from matplotlib import cm
n = 25
q = n * n
A = np.eye(q)
@1f0
1f0 / off2obj.py
Created November 25, 2019 17:47
import argparse
p = argparse.ArgumentParser(description='off to obj.')
p.add_argument('input')
p.add_argument('out')
args = p.parse_args()
with open(args.input) as f:
lines = f.readlines()
meta = lines[1].split()
@1f0
1f0 / obj2vtk.py
Created October 12, 2019 10:31
convert obj to vtk file using python vtk lib
from __future__ import print_function
import sys
if(len(sys.argv) != 3):
print('Usage: ', sys.argv[0], 'input.obj output.vtk')
sys.exit()
import vtk
reader = vtk.vtkOBJReader()
reader.SetFileName(sys.argv[1])
@1f0
1f0 / readvideo.py
Created August 26, 2019 15:27
cv2 read video
import numpy as np
import cv2
cap = cv2.VideoCapture('rtmp://localhost/live/stream')
while(True):
# Capture frame-by-frame
ret, frame = cap.read()
# Our operations on the frame come here
@1f0
1f0 / SimpleHttpServer.cs
Created August 5, 2019 07:00
using System;
using System.Net;
using System.Text;
using System.Threading;
namespace SimpleHttp
{
// reference: https://www.codehosting.net/blog/BlogEngine/post/Simple-C-Web-Server
class SimpleHttpServer
{
@1f0
1f0 / pthread-example.c
Created August 1, 2019 13:59
#include <stdio.h>
#include <pthread.h>
void *busy(void *ptr) {
puts("hello");
return NULL;
}
int main() {
pthread_t id;
pthread_create(&id, NULL, busy, "hi");
while (1) {}
@1f0
1f0 / cv2_streamiing.py
Last active April 27, 2023 06:14
cv2 rtmp streaming example
import numpy as np
import cv2
cap = cv2.VideoCapture('rtmp://localhost/live/stream')
while(True):
# Capture frame-by-frame
ret, frame = cap.read()
# Our operations on the frame come here
@1f0
1f0 / test-threading-out-var-access.py
Created July 19, 2019 06:10
import threading
import time
def test(x):
def task():
while 1:
print(x)
time.sleep(x)
y = threading.Thread(target=task)