chiangqiqi

#!/usr/bin/env python3

import numpy as np


class Dense:
    def __init__(self, input_width, width):
        self._W = np.random.normal(size=(input_width, width))
        self._b = np.random.normal(size=(1, width))
        self._X = None

chiangqiqi

#!/usr/bin/env bash

from subprocess import Popen, PIPE
import json

# init.json be like :
'''
{"initdata":
 {
     "game": {

chiangqiqi

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <err.h>
#include <fcntl.h>
#include <sys/stat.h>

void cat(int rfd) {
    int wfd;
    static char *buf;

chiangqiqi

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <err.h>
#include <fcntl.h>
#include <sys/stat.h>

void cat(int rfd) {
    int wfd;
    static char *buf;

chiangqiqi

from manimlib.imports import *

class Playground(Scene):
    def construct(self):
        semicircle = Arc(fill_opacity=1, angle=PI/2)
        self.play(FadeIn(semicircle))

def Range(in_val,end_val,step=1):
    return list(np.arange(in_val,end_val+step,step))

chiangqiqi

from manimlib.once_useful_constructs.region import Region
# PMobject 有 filter_out 方法，Circle 没有
class SquareToCircle(Scene):
    def construct(self):
        circle = Circle()
        a = ORIGIN
        pointB = Dot(point=np.array([-0.5042, 0.8636, 0]))

        centerB = np.array([-0.7521, 0.4318,0])
        semi_circleA = Arc(angle=np.pi, radius=1)

chiangqiqi

import requests
import json
import pandas as pd
from datetime import datetime

def get_data():
    url = 'https://plugin.sosobtc.com/widgetembed/data/period'
    data = requests.get(url, {'symbol':'yunbiethcny', 'step':86400})
    return json.loads(data.text)

chiangqiqi

Manipulate[
Module[
{m={-2000,1500},
n={8000, 1500},
radius=15000
},
yuan[\[Alpha]_]={radius* Cos[\[Alpha]],radius*Sin[\[Alpha]]}+m;
With[{p=yuan[\[Alpha]]},
E=m+t*{p-m};
ts=Solve[

chiangqiqi

#include <vector>
#include <iostream>

using std::vector;

void process(const vector<int>& vec1, vector<int>& vec2) {
  unsigned int i = 0;
  while(i < vec1.size()) {
    if (vec1[i] == 1 && vec1[i+1] == 2) {
      // do not copy and skip the other 2

chiangqiqi

create table test_partition (
id int,
name string,
no int)
partitioned by(dt string) 
row formatdelimited 
fieldsterminated by ',' 
stored astextfile;

load data local inpath '/home/zhangxin/hive/test_hive.txt' overwrite intotabletest_partition partition (dt='2012-03-05');