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crew

A crew is a body or a class of people who work at a common activity, generally in a structured or hierarchical organization. A location in which a crew works is called a crewyard or a workyard. The word has nautical resonances: the tasks involved in opera

kibana 使用

kibana官方地址:https://www.elastic.co/guide/en/kibana/7.8/xpack-security.html Index Management View index settings, mappings, and statistics and perform operations, such as refreshing, flushing, and clearing the cache. Practicing good index management ensures

Calendar

Calendar /* * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ /* * (C) Copyright Taligent, Inc. 1996-1998 - All Rights Reserved * (C) Copyright IBM

Common English speaking 1000 sentences(1-100)-01

common spoken english one thousand phrases. ==> Common English speaking 1000 sentences I see. I quit! Let go! Me too. My god! No way! Come on. Hold on. I agree. Not bad. Not yet. See you. Shut up. So long. Why not? Allow me. Be quiet. Cheer up! good jo

mongo安装过程中的fork报错问题:about to fork child ERROR: child process failed, exited with 14 To see additiona

错误类型:about to fork child process, waiting until server is ready for connections.forked process: 53624ERROR: child process failed, exited with 14To see additional information in this output, start without the "--fork" option       原因:上一次启动时强制关

翻牌效果

See the Pen 翻牌效果 by songcubi (@songcubi) on CodePen. 学习于b站

TopCoder 17403 See All Differences

这题和 https://atcoder.jp/contests/abc189/tasks/abc189_f 是相似的。 首先我们设\(f(mask,number)\)表示考虑若干个数,目前出现的差在\(mask\)中,最后一个数是\(number\)时,数列的期望长度。 但是我们发现这样比较难以转移,因为我们不知道转移过来的状态是否是合法的。(比如当你是ro

加载动画效果

See the Pen Untitled by songcubi (@songcubi) on CodePen. 来源于b站学习

瀑布流效果

使用到css两种方式简单实现,但是都有各自局限,需要结合js才能写出完美的瀑布流。 See the Pen 瀑布流效果( flex实现) by songcubi (@songcubi) on CodePen. See the Pen 瀑布流效果( column-count 实现) by songcubi (@songcubi) on CodePen. - demo来源于对B

Invalid .internal.selfref detected and fixed by taking a (shallow) copy

see the solution and explanations on github and StackOverFlow.

Action speaks louder than words.

少年,梦要你亲自实现,世界要你亲自去看,当你未来付出踏踏实实的努力的时候,那些你觉得看不到的人和遇不到的风景,终将在你的生命力出现! 加油,少年! One never notices what has been done; one can only see what remains to be done. 

C++ glossary(术语汇总)

来自: https://www.stroustrup.com/glossary.html Bjarne Stroustrup's C++ Glossary Modified October 3, 2012 This is a glossary of C++ terms, organized alphabetically by concept. The definitions/explanations of individual terms are necessarily very brief

CodeForces - 1670F Jee, You See? (带进位的数位dp)

题目链接 题意:构造一个长度为n(n<=1000)的序列,使得序列的元素之和在[l,r]之间且异或和为z 挺有意思的一道题 首先不考虑l的限制,只要求和小于等于r以及异或和等于z,按二进制位从高到低依次对n个数同时赋值,设dp[u][lim]表示赋值完前u个二进制位,且当前位最多能选lim+r[u]个1的方案数(r

Think different

Here's to the crazy ones. The misfits. The rebels. The troublemakers. The round pegs in the square holes. The ones who see things differently. They're not fond of rules. And they have no respect for the status quo. You can quote them, disagree

Testing Blog

What's the difference between notes and essays? They just look all the same!!! Well, at least on the editor's page. To post on the homepage of the blog, one gotta write essays like this instead of articles. This is an inline math equation \(E =

How to Fix "We can't sign into your account" and 'You've been signed in wit

How to Fix "We can't sign into your account" and 'You've been signed in with a temporary profile' Error in Windows 10A user profile is a collection of settings that make the computer look and work the way you want it to for a

LeetCode 0065 Valid Number

原题传送门 1. 题目描述 2. Solution 1 1、思路分析 All we need is to have a couple of flags so we can process the string in liner time: We start with trimming. If we see [0-9] we reset the number flags. We can only see . if we didn't see e or . We can only se

php8新特性注解

2022年3月9日09:21:06  之前就有人利用phpdoc实现了注解,但是性能一般,现在php8也追加了注解,现在8.1的fiber也加入了,未来PHP异步编程也趋于完善,剩下就是泛型的加入了,就fb的hacklang类似的语言 原理和java的注解基本一致,使用起来比java简单   基本使用就是在类或者方法上挂载注解,在

【肌电信号】肌电信号处理系统含Matlab源码

1 简介 研究目的通过使用Matlab平台,实现运动生物力学研究中常用的表面肌电(s EMG)信号处理方法,为不会使用编程进行表面肌电(s EMG)信号数据处理的体育科研人员在表面肌电(s EMG)信号的处理过程中提供一个高效、简单的处理软件。研究方法通过对运动人体科学文献中常用的表面肌

AbstractPlatformTransactionManager

/* * Copyright 2002-2020 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *

Matlab实现图书管理系统

1 简介      1. 系统功能及操作顺序: 两个用户种类分别为管理员和读者;管理员执行图书管理包括图书目/图书信息的更改/录入、为读者办理借书/还书/预约、统计管理的任务(图书借出频率、损耗情况等); 主登录界面major:身份(读者/管理员)的选择确定登录界面,账号+密码+身份缺一不可(读者

String特殊字符工具类-StringEscapeUtil

============================================================================String特殊字符工具类: public class StringEscapeUtil { /** * HTML字符转义 * @see 对输入参数中的敏感字符进行过滤替换,防止用户利用JavaScript等方式输入恶意代码 * @see S

Leetcode1349:参加考试的最大学生数(动态规划+状态压缩+位运算)

Given a m * n matrix seats that represent seats distributions in a classroom. If a seat is broken, it is denoted by '#' character otherwise it is denoted by a '.' character. Students can see the answers of those sitting next to the lef

BigDecimal

1.构造器 BigDecimal(int) 创建一个具有参数所指定整数值的对象。 BigDecimal(double) 创建一个具有参数所指定双精度值的对象。 //不推荐使用 BigDecimal(long) 创建一个具有参数所指定长整数值的对象。 BigDecimal(String) 创建一个具有参数所指定以字符串表示的数值的对象

【TSP问题】基于蚁群算法求解TSP问题matlab源码含GUI界面

1 模型简介见这里 2 部分代码 ​ ​ function PhoromCoe_Callback(hObject, eventdata, handles) % hObject   handle to PhoromCoe (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles   structure with handles and user data (