06 2022 档案

alter serial to id postgresql
摘要：CREATE SEQUENCE my_serial AS integer START 1 OWNED BY address.new_id; ALTER TABLE address ALTER COLUMN new_id SET DEFAULT nextval('my_serial'); 阅读全文
posted @ 2022-06-30 15:24 CrossPython 阅读(30) 评论(0) 推荐(0)
webpack
摘要：error: failed to run custom build command for `openssl-sys v0.9.63` try directly, cargo install wasm-pack --git https://github.com/rustwasm/wasm-pack 阅读全文
posted @ 2022-06-29 22:11 CrossPython 阅读(48) 评论(0) 推荐(0)
postgresql字段默认设置当前时间
摘要：CREATE TABLE "public"."my_pg_table" ( "id" BIGSERIAL NOT NULL, "content" VARCHAR NULL DEFAULT NULL, "yesterday" DATE NOT NULL DEFAULT DATE(TIMEZONE('U 阅读全文
posted @ 2022-06-27 09:46 CrossPython 阅读(5215) 评论(0) 推荐(0)
rust 问号
摘要：// 什么是问号操作符? // 参考: https://doc.rust-lang.org/book/second-edition/ch09-02-recoverable-errors-with-result.html // 参考: https://stackoverflow.com/questio 阅读全文
posted @ 2022-06-26 09:08 CrossPython 阅读(280) 评论(0) 推荐(0)
echarts 8lines
摘要：option = { tooltip: { trigger: 'axis' }, title: [ { text: 'X轴最大变量', textAlign: 'center', left: '80%', top: '80%', textStyle: { fontSize: 100 } }, ], b 阅读全文
posted @ 2022-06-24 10:08 CrossPython 阅读(31) 评论(0) 推荐(0)
echarts
摘要：<!-- THIS EXAMPLE WAS DOWNLOADED FROM https://echarts.apache.org/examples/zh/editor.html?c=line-race --> <!DOCTYPE html> <html lang="zh-CN" style="hei 阅读全文
posted @ 2022-06-23 23:10 CrossPython 阅读(74) 评论(0) 推荐(0)
echarts实例
摘要：option = { color: ['#80FFA5', '#00DDFF', '#37A2FF', '#FF0087', '#FFBF00'], title: { text: '' }, tooltip: { trigger: 'axis', axisPointer: { type: 'cros 阅读全文
posted @ 2022-06-23 20:50 CrossPython 阅读(95) 评论(0) 推荐(0)
将请求(python)cookie保存到文件？
摘要：#!/usr/bin/env python # -*- coding: utf-8 -*- import requests bot = requests.session() bot.get('http://google.com') 保持 import requests, pickle session 阅读全文
posted @ 2022-06-18 20:13 CrossPython 阅读(325) 评论(0) 推荐(0)
pyecharts ,geo,
摘要：from pyecharts.charts import Bar, Pie, Page, Grid, Line, Geo from pyecharts.faker import Faker from pyecharts import options as opts from pyecharts.gl 阅读全文
posted @ 2022-06-02 20:21 CrossPython 阅读(156) 评论(0) 推荐(0)