jevy-wangfei

###########################################################################
#
## @file postgres.py
#
###########################################################################

import psycopg2

###########################################################################
#

jevy-wangfei

from psycopg2.extras import DictCursor
from psycopg2.pool import SimpleConnectionPool


class Database:
    __pool = None

    @classmethod
    def initialize(cls, **kwargs):
        cls.__pool = SimpleConnectionPool(minconn=2,

jevy-wangfei

const svgChartDom = document.getElementById("svg-element");
const svgSize = svgChartDom.getBoundingClientRect();
const svgChart = new XMLSerializer().serializeToString(svgChartDom);
let canvas = document.createElement("canvas");
canvas.width = svgSize.width;
canvas.height = svgSize.height;
let ctx = canvas.getContext("2d");
// Use canvg package to create canvas, resolve the limitation of IE, where drawing SVG would taint the canvas
let v = Canvg.fromString(ctx!, svgChart);
v.start();