ferryzhou

// nY(dst_r_from + (0:rows-1), dst_c_from + (0:cols-1), :) = YY(src_r_from + (0:rows-1), src_c_from + (0:cols-1), :);
void copy_patch(Mat& nY, const Mat& YY, int dst_r_from, int dst_c_from, int src_r_from, int src_c_from, int rows, int cols) {
    int row_bytes = cols * YY.channels() * YY.elemSize1();
    const uchar* pYY = (const uchar*)YY.data + YY.step[0] * src_r_from + YY.step[1] * src_c_from;
    uchar* pnY = (uchar*)nY.data + nY.step[0] * dst_r_from + nY.step[1] * dst_c_from;
    for (int i = 0; i < rows; i++, pnY += nY.step[0], pYY += YY.step[0]) {
        memcpy(pnY, pYY, row_bytes); 
    }
}

ferryzhou

def initialize(args = {})
  defaults = {
    :file_list_cache_dir    => 'cache/filelists/',
    :img_root    => 'cache/img/',
    :sensor_res_img_root => 'cache/srimg/'
  }
  defaults.merge(args).each do |attr, val|
    instance_variable_set("@#{attr}", val) if defaults.has_key?(attr) && (not val.nil?)
  end if args
  setup

ferryzhou

select repository_url, repository_language, repository_created_at, repository_description, MAX(repository_watchers) as watches
from [githubarchive:github.timeline]
where repository_watchers > 20
group each by repository_url, repository_language, repository_created_at, repository_description
order by watches desc

ferryzhou

curl -XPUT 'http://localhost:9200/_template/github-watch' -d @github-watch-mappings.json

ferryzhou

execute pathogen#infect()
syntax on
filetype plugin indent on
set number  
set backspace=2

set t_Co=256
set background=dark
colorscheme PaperColor

ferryzhou

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

ferryzhou

// https://github.com/google/google-api-go-client

import (
        "golang.org/x/net/context"
        "golang.org/x/oauth2/google"
        "google.golang.org/api/compute/v1"
)

func main() {
        // Use oauth2.NoContext if there isn't a good context to pass in.

ferryzhou

// Based on tutorial here:
//   https://itp.nyu.edu/physcomp/labs/labs-serial-communication/lab-serial-communication-with-node-js/
// Examples:
//   node test.js /dev/tty.Makeblock-ELETSPP

var serialport = require('serialport');
var SerialPort = serialport.SerialPort;
var portName = process.argv[2];
 
// turn led green

ferryzhou

1. start restful api server

postgrest "host=localhost dbname=tnews" -a $(whoami) --schema public

1. serve the html

python -m SimpleHTTPServer 8080

ferryzhou

import numpy as np

# A linear function.
# Ax = y
# Given A and y, solve x.
# Standard L2 loss function with l2 regularization.

N = 1000
M = 2
A = np.random.random((N, M))