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BLE(低功耗)蓝牙开发
LeetCode LCR 085. 括号生成
题目链接https://leetcode.cn/pro
ble
ms/IDBivT/description/正整数n代表生成括号的对数,请设计一个函数,用于能够生成所有可能的并且有效的括号组合。
一般路过糸.
·
2024-02-20 23:46
leetcode
算法
职场和发展
麦田守望者
Rememberembered,andforgetuta
ble
./长大是人必经的溃烂。/我们确实活得艰难,一要承受种种外部的压力,更要面对自己内心的困惑。
jiang123wu
·
2024-02-20 22:49
Rust中的模块路径和pub关键字详解
模块结构首先,让我们看一下一个简单的Rust模块示例:modfront_of_house{pubmodhosting{pubfnadd_to_waitlist(){}fnseat_at_ta
ble
(){
好奇的菜鸟
·
2024-02-20 22:32
Rust
rust
开发语言
后端
MySql中几种批量更新/新增/删除的方法
通常情况下,我们会使用以下SQL语句来更新字段值:UPDATEmyta
ble
SETmyfield='value'WHEREother_field='other_value';这种方法并没有什么任何错误,
@航空母舰
·
2024-02-20 22:26
MYSQL
mysql
数据库
sql
查找、排序
查找查找的基本概念查找表(searchta
ble
):由同一类型的数据元素(或记录)构成的集合。由于“集合”中的数据元素之间存在着松散的关系,因此查找表是一种应用灵便的数据结构,可以是线性表、树、图。
但去莫复问,白云无尽时
·
2024-02-20 22:46
#数据结构
数据结构
c#
算法
c语言
排序算法
SpringBoot RabbitMQ收发消息、配置及原理
AMQP(AdvancedMessageQueuingProtocol)isamessagingprotocolthatena
ble
sconformingclientapplicationstocommun
weixin_44612246
·
2024-02-20 22:13
java-rabbitmq
spring
boot
rabbitmq
Una
ble
to make field private JavacProcessingEnvironment$DiscoveredPro报错解决办法
maven项目打包报错报错信息Una
ble
tomakefieldprivatecom.sun.tools.javac.processing.JavacProcessingEnvironment$DiscoveredProcessorscom.sun.tools.javac.processing.JavacProcessingEnvironment.discoveredProcsaccessi
ble
HumoChen99
·
2024-02-20 22:11
Java
java
开发语言
Leetcode刷题91-53. 最大子序和(C++详细解法!!!)
Comefrom:[https://leetcode-cn.com/pro
ble
ms/maximum-subarray/]53.MaximumSubarray1.Question2.Answer3.我的收获
huyunceng_cloud
·
2024-02-20 22:37
LeetCode从零开始
LeetCode
C++
OpenRaft 在交易撮合引擎中的应用
Openraft是一个Raft的改进版(包括优化选举冲突,解决网络抖动对leadership的影响),它在Databend中为db,ta
ble
等元数据提供分
Databend
·
2024-02-20 22:57
达梦数据库查询索引和各种约束
查询DM数据库所有表的各种约束和索引--查询主键SELECTa.OWNERas"模式名",a.TA
BLE
_NAMEas"表名",b.COLUMN_NAMEas"列名",a.CONSTRAINT_NAMEas
job_csdn
·
2024-02-20 22:36
达梦数据库
数据库
sql
oracle
sql 添加注释的方法
mysql:1.创建字段时添加:createta
ble
test(idintnotnulldefault0comment'用户id');//修改字段的命令,可以加注释alterta
ble
testchangecolumnididintnotnulldefault0comment
job_csdn
·
2024-02-20 22:05
mybatis
mysql
数据库开发
Day 9. 42. 连续子数组的最大和
Day9.42.连续子数组的最大和文章目录Day9.[42.连续子数组的最大和](https://leetcode-cn.com/pro
ble
ms/lian-xu-zi-shu-zu-de-zui-da-he-lcof
Tracker123
·
2024-02-20 22:35
剑指offer
c++
2021年秋招算法岗面经-字节跳动
而不是基于司机划分最大池化的反向传播求导公式LSTM解决了什么问题通用的提高模型泛化能力的方法(解决过拟合的方法)二面20210922(一个小时)自我介绍先做道题吧:矩阵中的路径https://leetcode-cn.com/pro
ble
机器学习面试基地
·
2024-02-20 22:13
get、put、delete、post几种请求在java springboot的使用方式
get@GetMapping("/apple/{account}")publicResponseVOqueryByAccount(@PathVaria
ble
("account")Stringaccount
yyyyyuanxian
·
2024-02-20 22:01
restful
开发语言
后端
restful
‘@Override‘ not applica
ble
to field idea报错原因
@OverrideTpmtModelDAOtpmtModelDAO;报错:'@Override'notapplica
ble
tofield其他impl的代码复制过来是正常的,没有报错@AutowiredAccountDAOaccountDAO
yyyyyuanxian
·
2024-02-20 22:01
那些年在IDEA遇到的报错
Java
intellij-idea
java
splash使用教程
官方文档:https://splash.readthedocs.io/en/sta
ble
/install.htmllinux安装教程:https://www.cnblogs.com/yunlongaimeng
鲸随浪起
·
2024-02-20 22:29
sql报错注入 之 floor 函数报错:主键重复
updatexmlextractvaluefloor是mysql的函数groupby+rand+floor+count一、简述利用selectcount(*),(floor(rand(0)*2))xfromta
ble
groupbyx
etc _ life
·
2024-02-20 22:42
sql
数据库
开源帮运工---加载动画
1、AVLoadingIndicatorViewavi.gif2、SpinKitViewscreen.gif3、LoadingDrawa
ble
图图图图图图
yyg
·
2024-02-20 21:48
Java关键字大全
下面整理一些我们刚开始学习Java会经常用到的关键字的用法概述:一、本数据类型(4类8种)类型种类:四类八种整型byte,short,int,long浮点型float,dou
ble
字符型char布尔型boolean
Yaml墨韵
·
2024-02-20 21:10
java基础
java
jdk
@Async异步注解
要使用@Async注解,需要满足以下条件:在SpringBoot应用中,需要在启动类或配置类上添加@Ena
ble
Async注解来启用异步方法的支持。在需要异步执行的方法上添加@As
TM_enn
·
2024-02-20 21:40
java
spring
boot
异步
为什么ViewStub是默认不显示的?是懒加载?
intdefStyleAttr,intdefStyleRes){super(context);finalTypedArraya=context.obtainStyledAttributes(attrs,R.stylea
ble
.ViewStub
呆咖啡
·
2024-02-20 21:37
android
viewstub
ThinkPHP5 将session保存到 mysql
鬼知道为什么不存memcache或者redis,鬼知道你会遇到什么样的需求,那还能怎么办,自己解决呗,为了避免下次再一顿百度..一顿谷歌...我就记录一下建立对应的数据表CREATETA
BLE
think_session
_不能说的秘密i
·
2024-02-20 21:02
setAccessi
ble
()方法
可以使用反射获取类中成员变量再使用accessi
ble
()来临时改变访问权限,就可以获取私有成员变量的值了测试类packagecom.ljw.accessi
ble
;publicclassAccess
开始以后_
·
2024-02-20 21:04
图像数据增强
coding:utf-8importtensorflowastfimportcv2importrandomimportsysimportosimportshutil#os.environ["CUDA_VISI
BLE
_DEVICES
菜鸟瞎编
·
2024-02-20 21:34
Mac为docker和kubectl添加自动命令补全
2查看目前使用的shell查看当前系统所支持的shell有哪些:$cat/etc/shells#Listofaccepta
ble
shellsforchpass(1).
南瓜慢说
·
2024-02-20 21:57
2396/3650 东三环的风景独好:我们把办公区放在这里可好?
几个老铁,交叉的项目,每天来回碰,资源互补,效率dou
ble
!十一之后,咱们就约东三环见吧哈哈。今天依然是忙碌的一天,准备十一后上线两个资源:一个是芝士智库最强律师团,给
茉莉大大
·
2024-02-20 21:46
Go 排序 sort.Slice 及其他方法
自定义排序[最常用]sort.Slice不稳定排序sort.SliceSta
ble
稳定排序family:=[]struct{NamestringAgeint}{{"Alice",23},{"David"
农夫小田
·
2024-02-20 21:45
Go
golang
排序算法
Flutter编译卡在Running Gradle task ‘assem
ble
Debug‘
为什么卡在这一步,把网络断开,发现了问题,卡在了下载运行环境和依赖库的步骤,jcenter下载速度太慢;知道原因就好办了,需要修改3个地方。1.首先找到fulttersdk所在文件夹的位置:依次进入flutter\packages\flutter_tools\gradle文件夹,然后打开flutter.gradle文件(如下图所示位置)找到//添加新的privatestaticfinalStrin
小哥丷
·
2024-02-20 21:40
Android
Flutter框架
flutter
gradle
android
Flutter App Run卡在Running Gradle task 'assem
ble
Debug'...
AndroidStudio3.6.2Flutter:1.17.0channelbetaJavaJDK:1.8.0_202gradle:gradle-6.3新建了一个Flutter工程后,Run卡在了RunningGradletask‘assem
ble
Debug
JerrySmurfs
·
2024-02-20 21:10
Flutter
android
studio
flutter
BZOJ-1055: [HAOI2008]玩具取名(区间DP)
题目:http://www.lydsy.com/JudgeOnline/pro
ble
m.php?id=1055这几天脑子不太好尽刷些傻叉的水题。。。区间DP,没什么好说的。。。
AmadeusChan
·
2024-02-20 21:50
Java8Optional笔记240220
源码很简单获取实例(包装值)的3个方法:ofNulla
ble
(和of(和empty()构造器是private的,有3个获取实例的静态方法ofNulla
ble
(和of(和empty()Optionalop
kfepiza
·
2024-02-20 21:40
JAVA
笔记
java
Running Gradle task ‘assem
ble
Debug‘
话不多说,先来看看问题的呈现具体问题呈现如下:RunningGradletask'assem
ble
Debug'...Exceptioninthread"main"java.net.SocketException
fangli11223344
·
2024-02-20 21:09
flutter
android
studio
gradle
Flutter run 一直 Running Gradle task ‘assem
ble
Debug’…
发生缘由Flutter项目引入fluttertoast插件后,执行Flutterrun一直RunningGradletask‘assem
ble
Debug’…,最后发现下载kotlin-compiler-embedda
ble
-晨-风-
·
2024-02-20 21:09
flutter
基于Diffusion Model的数据增强方法应用——毕业设计 其三
文章目录题目简介前言Sta
ble
DiffusionLatentdiffusion自动编码器(VAE)U-NetText-EncoderSta
ble
Diffusion的推理过程从零开始配置实验环境IDEAnacondaCUDA
大鸟仙童
·
2024-02-20 21:06
课程设计
计算机视觉
深度学习
基于树莓派4B debian 12更换清华镜像源安装opencv
架构和版本选择说明:我的树莓派版本是这样的:syz@raspberrypi:~$uname-maarch64syz@raspberrypi:~$lsb_release-aNoLSBmodulesareavaila
ble
.DistributorID
naughty0809
·
2024-02-20 20:27
树莓派
debian
opencv
人工智能
AGPBI: {"kind":"error","text":"Cannot fit requested classes in a single dex file
Cannotfitrequestedclassesinasingledexfile(#methods:73866\u003e65536)","sources":[{}],"tool":"D8"}65536错误multiDexEna
ble
dtrue
陈桐Caliburn
·
2024-02-20 20:27
Longest Common Prefix
https://leetcode.com/pro
ble
ms/longest-common-prefix/题目描述Writeafunctiontofindthelongestcommonprefixstringamongstanarrayofstrings.Ifthereisnocommonprefix
风吹过的烟花
·
2024-02-20 20:22
LeetCode
leetcode
数据检索:倒排索引加速、top-k和k最邻近
之前在https://www.yuque.com/tre
ble
z/qksu6c/wbaggl2t24wxwqb8?
SakamataZ
·
2024-02-20 20:21
搜索
广告
推荐
来自国外网站的一对有用或有趣的小工具软件(五)
网站:http://www.myporta
ble
software.com/文件和磁盘工具:FreeHDDLED:在托盘显示硬盘的读写的LED灯,这对于没有硬盘灯的PC、笔记本或上网本很有用。
伍六柒_1186
·
2024-02-20 20:50
Linux调优指南
更多相关知识可以阅读:https://www.yuque.com/tre
ble
z/qksu6c/yxl59pkvczqot9ushttps://www.yuque.com/tre
ble
z/qksu6c/
SakamataZ
·
2024-02-20 20:14
linux
驱动开发
运维
【前端】弹框组件
vue2项目,封装的第一版弹框组件使用基于elment-ui在vue同级创建components/dialog文件夹里面放paramDialog.vue父组件引入dialogVisi
ble
要是改变量名,
Lucky小维
·
2024-02-20 20:12
前端
前端
javascript
开发语言
SQL错误:42000
错误:Rowsizetoolarge.Themaximumrowsizefortheusedta
ble
type,notcountingBLOBs,is65535.Thisincludesstorageoverhead
zhanghaisong_2015
·
2024-02-20 20:12
sql
数据库
评估与改进机器学习模型
Mlstrategy文章目录MlstrategySingleNum
ble
EvaluationMetricoptimizingandsatisficingmetricImprovingmodelperformanceTwofundamentalReducebiasandvarianceAvoida
ble
biasvarianceerroranalysiswaysIncorrectlyla
ble
dexa
stoAir
·
2024-02-20 20:31
吴恩达深度学习笔记
机器学习
人工智能
神经网络
深度学习
2020-07-30-mysql第三章作业练习
数据准备:先创建student和score表,添加基本数据,用于查询演练(参考答案如下)创建student表SQL代码如下:createta
ble
student(idint(10)notnulluniqueprimarykey
我是块扣肉
·
2024-02-20 20:00
hashcode方法
hashCode方法的主要作用是为了配合基于散列的集合一起正常运行,这样的散列集合包括HashSet、HashMap以及HashTa
ble
。为什么这么说呢?
一个人的飘
·
2024-02-20 20:51
2018-11-20复盘日志 第十三周
2,我在本片文章/音频/视频中学到的怦然心动的单词porta
ble
adj.轻便的,手提的distinction.n.优秀,卓越fix.vt修理3,在本片文章/音频/视频中我最喜欢的一句话Nobodycanmakeyoufeelinferiorwi
土管一班44张宇平
·
2024-02-20 20:07
Cent OS 8安装docker并解决docker和podman冲突问题
docker,所以需要containerd.io,那我们就安装一下就好了$yuminstallhttps://download.docker.com/linux/fedora/30/x86_64/sta
ble
tianshuiyimo
·
2024-02-20 20:54
软件测试常用工具
docker
PostgreSQL使用session_exec和file_fdw实现失败次数锁定用户策略
而且foreignta
ble
不能在数据库里清理。需要删除对应的pg_log,才能使foreignta
ble
信息清理掉,来重制该用户的密码错误记录。https://github.com/o
小怪兽ysl
·
2024-02-20 20:22
PostgreSQL
postgresql
数据库
Postgresql源码(124)两个事务更新同一行数据时的行为和原理分析
XactLockTa
ble
Wait函数、transactionid锁的一些原理和分析结论更新行时,会根据xmax拿transactionid锁,等对应的事务结束。
高铭杰
·
2024-02-20 20:21
pgsql
postgresql
数据库
c# word操作方法
_ApplicationoWord=newMicrosoft.Office.Interop.Word.Application();oWord.Visi
ble
=false;//word文件
李建军
·
2024-02-20 20:47
C#
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