#ota

leetcode 344. Reverse String 、541. Reverse String II 、796. Rotate String

344.ReverseString最基础的旋转字符串classSolution{public:voidreverseString(vector<char>&s){if(s.empty())return;intstart=0;intend=s.size()-1;while(start<end){...

leetcode 189. Rotate Array

注意k可能大于lengthclassSolution{public:voidrotate(vector<int>&nums,intk){intlength=nums.size();if(length<=1||k<=0)return;k=k%length;rotate_core(nums,...
代码星球 ·2020-10-13

31.QPainter-rotate()函数分析-文字旋转不倾斜,图片旋转实现等待

在上章和上上上章:28.QT-QPainter介绍 30.QT-渐变之QLinearGradient、QConicalGradient、QRadialGradient 学习了QPainter基础绘制后,接下来,来学习QPainter其它函数之rotate()函数 首先来看看QPainter...

@org.springframework.beans.factory.annotation.Autowired(required=true)

FieldidWorkerincom.macro.mall.portal.service.impl.OmsPortalOrderServiceImplrequiredabeanoftype'com.macro.mall.portal.util.IdWorker'thatcouldnotbefound. Des...

用 Python 写一个多进程兼容的 TimedRotatingFileHandler

我前面有篇文章已经详细介绍了一下Python的日志模块。Python提供了非常多的可以运用在各种不同场景的LogHandler.TimedRotatingFileHandler是Python提供的一个可以基于时间自动切分日志的Handler类,他继承自 BaseRotatingHandler->&nbs...

[Spring]:java.lang.NoSuchMethodError: 'java.lang.String javax.annotation.Resource.lookup()'

错误信息11月05,20199:32:15下午org.springframework.test.context.TestContextManagerprepareTestInstance严重:CaughtexceptionwhileallowingTestExecutionListener[org.springfram...

ESP8266远程OTA升级

https://blog.csdn.net/xh870189248/article/details/80095139 https://www.wandianshenme.com/play/arduino-ota-arduino-ide-ota-upgrade-esp8266-application/我这里详细...
代码星球 ·2020-08-29

1079. Total Sales of Supply Chain (25)【树+搜索】——PAT (Advanced Level) Practise

时间限制250ms内存限制65536kB代码长度限制16000BAsupplychainisanetworkofretailers(零售商),distributors(经销商),andsuppliers(供应商)–everyoneinvolvedinmovingaproductfromsuppliertocustome...
代码星球 ·2020-08-28

Spring 注解<context:annotation-config> 和 <context:component-scan>的作用与区别

<context:annotation-config> 是用于激活那些已经在spring容器里注册过的bean(无论是通过xml的方式还是通过packagesanning的方式)上面的注解。(激活@Resource和@Autowired注解)<context:component-scan&g...
代码星球 ·2020-08-27

Leetcode[153]-Find Minimum in Rotated Sorted Array

Link:https://leetcode.com/problems/find-minimum-in-rotated-sorted-array/Supposeasortedarrayisrotatedatsomepivotunknowntoyoubeforehand.(i.e.,0124567mightbecome45...

linux执行crotab是python脚本不生效解决方案

linux执行crotab是python脚本不生效解决方案 原因:环境变量没有加载 解决方案:1、使用shell脚本去执行python脚本2、脚本内容路径需要绝对路径3、加载环境变量:source/etc/profile如: #!/bin/bashsource/etc/profilecd/...

[LeetCode] Find Minimum in Rotated Sorted Array

Supposeasortedarrayisrotatedatsomepivotunknowntoyoubeforehand.(i.e., Followup for"FindMinimuminRotatedSortedArray":Whatif duplicates&nb...

Plotagraph软件五分钟光速速成傻瓜教程

http://bbs.dji.com/thread-144203-1-1.html让照片变成动态的...

小程序 for循环 报错 Cannot read property 'total' of undefined

问题for循环一直报错  Cannotreadproperty'total'ofundefined,total在起初是有定义。原因是i<=的问题,改为<不报错了。infoArea长度为2,也就是i应该循环2次。但是写成<=后,i取值依次是:0,1,2,取值为2时,找不到对应的元素。...
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