failed get go

2023-10-07:用go语言,给定n个二维坐标,表示在二维平面的n个点, 坐标为double类型,精度最多小数点后两位, 希望在二维平面上画一个圆,圈住其中的k个点,其他的n-k个点都要在圆外。

2023-10-07:用go语言,给定n个二维坐标,表示在二维平面的n个点, 坐标为double类型,精度最多小数点后两位, 希望在二维平面上画一个圆,圈住其中的k个点,其他的n-k个点都要在圆外。 返回一个圆心和半径,表示哪个圆可以圈住其中的k个点。 坐标和半径都是double类型,最多保留小数点 ......
坐标 小数点 小数 精度 平面

编写脚本,使用for和while分别实现192.168.0.0/24网段内,地址是否能够ping通,若ping通则输出"success!",若ping不通则输出"fail!"

for方法: [14:20:07 root@centos8 ~]#cat ping_for.sh#!/bin/bash​# # Copyright (C) 2021 IEucd Inc. All rights reserved.## 文件名称:ping_for.sh# 创 建 者:TanLiang# ......
通则 quot ping 网段 脚本

QT在debug环境下的异常报错 This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

查看错误信息:试试Release 检查 控制台 (/SUBSYSTEM:CONSOLE) 输入错误信息,修改全部报错信息后再试试Debug模式可不可以运行。 方案一:高级系统设置-环境变量- QT_QPA_PLATFORM_PLUGIN_PATH C:\Qt\Qt5.12.12\5.12.12\ms ......

Go - Creating Struct Instances

Problem: You want to create an instance of a struct. Solution: Create a struct instance directly using the name of the struct, or a pointer to a struc ......
Instances Creating Struct Go

go.搭建简单Gin项目

新建gin_demo project 获取gin框架: go get -u github.com/gin-gonic/gin 建一个main方法 package main import "github.com/gin-gonic/gin" import _ "net/http" func main( ......
项目 Gin go

search_url_get_msg.py

#!/usr/bin/env python3 import os import logging import glob import sys import re from logging.handlers import RotatingFileHandler from multiprocessing ......
search_url_get_msg search get msg url

yisa_get_msg_from_kafka_per_pn.py

#!/usr/bin/python #-*- coding: utf-8 -*- # 抽取kafka数据到redis_mq模块 # 作者:王成 # 日期:2017-04-14 import MySQLdb import time import sys import redis import requ ......

tcc_pn_recognize_fail.py

#!/usr/bin/python3 import os import sys import re import pymysql import time import logging import pandas as pd import requests from clickhouse_driver ......
tcc_pn_recognize_fail recognize fail tcc pn

pn_recognize_fail_SJKK_4.py

#!/usr/bin/python3 import os,stat import sys import re import pymysql import time from datetime import timedelta from datetime import datetime import ......

pn_recognize_fail_3.py

#!/usr/bin/python3 import os import sys import re import pymysql import time import logging import pandas as pd import requests from clickhouse_driver ......
pn_recognize_fail recognize fail pn py

pn_recognize_fail_YLKK.py

#!/usr/bin/python3 import os import sys import re import pymysql import time from datetime import timedelta from datetime import datetime import loggi ......

pn_recognize_fail_SJKK_2.py

#!/usr/bin/python3 import os import sys import re import pymysql import time from datetime import timedelta from datetime import datetime import loggi ......

area_recognize_fail.py

#!/usr/bin/python3 import os import sys import re import pymysql import time import logging import pandas as pd import requests from clickhouse_driver ......
area_recognize_fail recognize area fail py

超能组合:python 的开发效率 + go 的并发 + shell 的短小精悍

工具思维:利用合适的工具做合适的事情,然后合理地加以组合。 在”谈谈程序员应当具备的技术思维“一文中谈到了工具思维。本文对工具思维作一发挥运用。 批量下载图片 程序员总是有点”美图“爱好的。由于程序员通常又是比较”懒惰“的(可没有那个耐心和体力去一页页点开再点击按钮),那么,就会想到用程序来自动化拉 ......
短小精悍 超能 效率 python shell

Go - Parsing Time Displays Into Structs

func main () { str := "4:31am +0800 on Oct 1, 2021" layout := "3:04pm - 0700 on Jan 2, 2006" t , err := time . Parse ( layout , str ) if err != nil { ......
Displays Parsing Structs Into Time

Go - Formatting time

func main () { t := time . Now () fmt . Println ( t . Format ( "3:04PM" )) fmt . Println ( t . Format ( "Jan 02, 2006" )) } When you run this you shou ......
Formatting time Go

Go - Measuring Lapsed Time

Problem: You want to measure the lapsed time and make sure that it is accurate. Solution: Use the monotonic clock in the Time struct to find the lapse ......
Measuring Lapsed Time Go

nvidia-smi指令报错:Failed to initialize NVML: Driver/library version mismatch NVML library version: 535.113解决

nvidia-smi指令报错:Failed to initialize NVML: Driver/library version mismatch NVML library version: 535.113 我是刚开始没有nvidia-smi命令,输入后,提示我安装。 apt install nvi ......
library version NVML 指令 nvidia-smi

GET和POST请求的区别

一、定义 1、get 和 post请求是http协议中的两种请求方式。 2、get一般用来获取服务器的信息的,post一般是用来更新信息。 二、区别 1、get请求一般用来请求获取数据 post请求一般作为发送数据到后台,传递数据,创建数据2、get请求也可以传参到后台,但是传递的参数则显示在地址栏 ......
POST GET

go语言ent教程:使用zerolog定制ent日志

背景:ent开始debug模式后,可以输出日志,但是我们想为ent接入zerolog,该怎么做呢? 一、引入zerolog go get -u github.com/rs/zerolog 二、自定义zerolog配置 customLog := func(args ...any) { str := f ......
ent zerolog 语言 教程 日志

go语言ent教程:开启debug调试模式

背景:ent模式是没有开启debug模式的 开启ent的调试模式有2种方法: 一、通过配置选项开启 client, err := ent.Open("mysql", "root:dev@123456@tcp(localhost:3306)/test?parseTime=True", ent.Debu ......
语言 模式 教程 debug ent

Go - Representing Duration

Problem: You want to specify a duration of time. Solution: Use the Duration type to represent a span of time. The main representation for a span of ti ......
Representing Duration Go

Go - Representing Time Zones

Problem: You want to include the time zone information in a Time struct. Solution: The Time struct includes a Location , which is the representation o ......
Representing Zones Time Go

get请求和post请求的区别

一.GET和POST是什么? HTTP协议中的两种发送请求的方法,本质上都是在进行TCP连接. 二. GET请求和POST请求的区别是什么? GET请求参数是通过URL进行传递的,POST请求的参数包含在请求体当中。 GET请求比POST请求更不安全,因为参数直接暴露在URL中,所以,GET请求不能 ......
post get

vue-router.esm.js:2065 Uncaught (in promise) Error: Redirected when going from "/login?redirect=%2Fhome" to "/home" via a navigation guard.

原因: vue-router路由版本更新产生的问题,导致路由跳转失败抛出该错误; 真正的原因是由于返回了一个Promise对象, 正常的跳转由then方法执行 当正常的路由跳转, 被"路由导航守卫"拦截并重新指定路由时, 由于 this.$router.push() 返回的是Promise对象, 此 ......

kubelet.go 2466 Error getting node not found

kubeadm初始化kubernetes集群报错,kubelet服务提示:kubelet.go:2466] "Error getting node" err="node \"k8s3-master\" not found处理记录。 0. ENV kubernetes 1.22.x/1.23.x/1. ......
kubelet getting Error found 2466

Go - Decoding Data with a Customized Binary Format to Structs

Problem: You want to decode the customized binary format back to structs. Solution: Use the encoding/binary package to take data from the binary forma ......
Customized Decoding Structs Binary Format

Go - Encoding Data to a Customized Binary Format

Problem: You want to encode struct data to a customized binary format. Solution: Design your customized format and use the encoding/binary package to ......
Customized Encoding Binary Format Data

Go - Decoding gob Format Data to Structs

Problem: You want to decode gob format data back to structs. Solution: Use the encoding/gob package to decode the gob format data back to structs. fun ......
Decoding Structs Format Data gob

Go - Encoding Data to gob Format Data

Problem: You want to encode structs into binary gob format. Solution: Use the encoding/gob package to encode the structs into bytes that can be stored ......
Data Encoding Format gob Go