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BLE蓝牙技术原理
UI学习——cell的复用和自定义cell
目录cell的复用手动(非注册)自动(注册)自定义cellcell的复用在iOS开发中,单元格复用是一种提高表格(UITa
ble
View)和集合视图(UICollectionView)滚动性能的技术。
Magnetic_h
·
2024-09-16 10:57
ui
学习
SQL Server_查询某一数据库中的所有表的内容
1.查看所有表的表名要列出CrabFarmDB数据库中的所有表(名),可以使用以下SQL语句:USECrabFarmDB;--切换到目标数据库GOSELECTTA
BLE
_NAMEFROMINFORMATION_SCHEMA.TA
BLE
SWHERETA
BLE
_TYPE
qq_42772833
·
2024-09-16 10:21
SQL
Server
数据库
sqlserver
数组去重
hashta
ble
啊,通过对象的hash办法
好奇的猫猫猫
·
2024-09-16 09:59
Day17笔记-高阶函数
函数作为B函数的参数,B函数调用完成之后,会得到一个结果,则B函数被称为高阶函数常用的高阶函数:map(),reduce(),filter(),sorted()1.map()map(func,itera
ble
~在杰难逃~
·
2024-09-16 09:48
Python
笔记
python
开发语言
pycharm
数据分析
【PG】常见数据库、表属性设置
ALTERTA
BLE
[ta
ble
name]REPLICAIDENTITYFULL;批量表操作通过代码块的方式,对某个schema中的所有表一起更新其复制标识。
江无羡
·
2024-09-16 09:44
数据库
(179)时序收敛--->(29)时序收敛二九
1目录(a)FPGA简介(b)Verilog简介(c)时钟简介(d)时序收敛二九(e)结束1FPGA简介(a)FPGA(FieldProgramma
ble
GateArray)是在PAL(可编程阵列逻辑)
FPGA系统设计指南针
·
2024-09-16 07:32
FPGA系统设计(内训)
fpga开发
时序收敛
(180)时序收敛--->(30)时序收敛三十
1目录(a)FPGA简介(b)Verilog简介(c)时钟简介(d)时序收敛三十(e)结束1FPGA简介(a)FPGA(FieldProgramma
ble
GateArray)是在PAL(可编程阵列逻辑)
FPGA系统设计指南针
·
2024-09-16 07:31
FPGA系统设计(内训)
fpga开发
时序收敛
(158)时序收敛--->(08)时序收敛八
1目录(a)FPGA简介(b)Verilog简介(c)时钟简介(d)时序收敛八(e)结束1FPGA简介(a)FPGA(FieldProgramma
ble
GateArray)是在PAL(可编程阵列逻辑)、
FPGA系统设计指南针
·
2024-09-16 07:31
FPGA系统设计(内训)
fpga开发
时序收敛
(159)时序收敛--->(09)时序收敛九
1目录(a)FPGA简介(b)Verilog简介(c)时钟简介(d)时序收敛九(e)结束1FPGA简介(a)FPGA(FieldProgramma
ble
GateArray)是在PAL(可编程阵列逻辑)、
FPGA系统设计指南针
·
2024-09-16 07:31
FPGA系统设计(内训)
fpga开发
时序收敛
(160)时序收敛--->(10)时序收敛十
1目录(a)FPGA简介(b)Verilog简介(c)时钟简介(d)时序收敛十(e)结束1FPGA简介(a)FPGA(FieldProgramma
ble
GateArray)是在PAL(可编程阵列逻辑)、
FPGA系统设计指南针
·
2024-09-16 07:31
FPGA系统设计(内训)
fpga开发
时序收敛
(153)时序收敛--->(03)时序收敛三
1目录(a)FPGA简介(b)Verilog简介(c)时钟简介(d)时序收敛三(e)结束1FPGA简介(a)FPGA(FieldProgramma
ble
GateArray)是在PAL(可编程阵列逻辑)、
FPGA系统设计指南针
·
2024-09-16 07:01
FPGA系统设计(内训)
fpga开发
时序收敛
(121)DAC接口--->(006)基于FPGA实现DAC8811接口
1目录(a)FPGA简介(b)IC简介(c)Verilog简介(d)基于FPGA实现DAC8811接口(e)结束1FPGA简介(a)FPGA(FieldProgramma
ble
GateArray)是在PAL
FPGA系统设计指南针
·
2024-09-16 07:01
FPGA接口开发(项目实战)
fpga开发
FPGA
IC
FPGA复位专题---(3)上电复位?
(e)结束1FPGA简介(a)FPGA(FieldProgramma
ble
GateArray)是在PAL(可编程阵列逻辑)、GAL(通用阵列逻辑)等可编程器件的基础上进一步发展的产物。
FPGA系统设计指南针
·
2024-09-16 07:31
FPGA系统设计(内训)
fpga开发
(182)时序收敛--->(32)时序收敛三二
1目录(a)FPGA简介(b)Verilog简介(c)时钟简介(d)时序收敛三二(e)结束1FPGA简介(a)FPGA(FieldProgramma
ble
GateArray)是在PAL(可编程阵列逻辑)
FPGA系统设计指南针
·
2024-09-16 07:29
FPGA系统设计(内训)
fpga开发
时序收敛
vue3中el-ta
ble
中点击图片放大时,被表格覆盖
问题:vue3中el-ta
ble
中点击图片放大时,被表格覆盖。解决方法:el-image添加preview-teleported
叫我小鹏呀
·
2024-09-16 06:59
vue.js
javascript
前端
vue项目element-ui的ta
ble
表格单元格合并
一、合并效果二全部代码exportdefault{name:'CellMerge',data(){return{ta
ble
Data:[{id:'1',name:'王小虎',amount1:'165',amount2
酋长哈哈
·
2024-09-16 06:59
vue.js
elementui
javascript
前端
Vue中ta
ble
合并单元格用法
地名结果人名性别{{item.name}}已完成未完成{{item.groups[0].name}}{{item.groups[0].sex}}{{item.groups[son].name}}{{item.groups[son].sex}}exportdefault{data(){return{list:[{name:'地名1',result:'1',groups:[{name:'张三',sex
weixin_30613343
·
2024-09-16 06:27
javascript
ViewUI
2023最详细的Python安装教程(Windows版本)
(一)准备工作1、下载和安装python(认准官方网站)当然你不想去下载的话也可以分享给你,还有入门学习教程,点击下方卡片跳转进群领取(二)开始安装对于Windows操作系统,可以下载“executa
ble
ins
程序员林哥
·
2024-09-16 06:52
Python
python
windows
开发语言
C++八股
C++数据结构内存排列结构体和类占用的内存:==虚函数和虚表的原理==虚函数虚表(Vta
ble
)虚函数和虚表的实现细节==内存泄漏==指针的工作原理函数的传值和传址new和delete与malloc和freeC
Petrichorzncu
·
2024-09-16 06:22
八股总结
c++
开发语言
Ta
ble
列表复现框实现【勾选-搜索-再勾选】
Ta
ble
列表复现框实现【勾选-搜索-再勾选】概要整体架构流程代码实现技术细节注意参考文献概要最近在开发时遇到一个问题,在进行表单渲染时,正常选中没有问题,单如果需要搜索选中时,一个是已选中的不会回填,
~四时春~
·
2024-09-16 05:51
java
开发语言
elementui
vue
vue+el-ta
ble
可输入表格使用上下键进行input框切换
使用上下键进行完工数量这一列的切换-->//键盘触发事件show(ev,index){letnewIndex;letinputAll=document.querySelectorAll('.ta
ble
_inputinput
以对_
·
2024-09-16 05:51
vue学习记录
vue.js
javascript
前端
vue + Element UI ta
ble
动态合并单元格
(横向合并)二、功能实现exportdefault{data(){return{ta
ble
Data:[{name:'a',address:'1',age:'1',six:'2'},{name:'a',addre
我家媳妇儿萌哒哒
·
2024-09-16 05:50
element
UI
vue.js
前端
javascript
【RabbitMQ 项目】服务端:数据管理模块之绑定管理
绑定就好像一根绳子,两端连接着交换机和队列,当一方不存在,它就没有存在的必要了定义绑定持久化类构造函数:如果数据库文件不存在则创建,打开数据库,创建binding_ta
ble
插入
月夜星辉雪
·
2024-09-16 05:49
rabbitmq
分布式
2019-07-09 AutoCompleteTextView 问题
实现自定义Adapter要实现Filtera
ble
接口,不然会报错重写getFilter()方法performFiltering()方法实现过滤数据的操作publishResults()用来接收performFiltering
皮皮铭
·
2024-09-16 04:46
【Java】已解决:java.util.concurrent.CompletionException
java.util.concurrent.CompletionException一、分析问题背景在Java并发编程中,java.util.concurrent.CompletionException是一种常见的运行时异常,通常在使用Completa
ble
Future
屿小夏
·
2024-09-16 04:11
java
开发语言
代码随想录Day 41|动态规划之买卖股票问题,leetcode题目121. 买卖股票的最佳时机、122. 买卖股票的最佳时机Ⅱ、123. 买卖股票的最佳时机Ⅲ
解题思路:题目三:123.买卖股票的最佳时机III解题思路总结买卖股票的最佳时机相关题目题目一:121.买卖股票的最佳时机[[121.买卖股票的最佳时机](https://leetcode.cn/pro
ble
ms
LluckyYH
·
2024-09-16 04:10
动态规划
leetcode
算法
数据结构
LeetCode github集合,附CMU大神整理笔记
Githu
bLe
etCode集合本人所有做过的题目都写在一个java项目中,同步到github中了,算是见证自己的进步。github目前同步的题目是2020-09-17日之后写的题。
Wesley@
·
2024-09-16 03:35
LeetCode
github
leetcode-124 Binary Tree Maximum Path Sum
Givenanon-emptybinarytree,findthemaximumpathsum.Forthispro
ble
m,apathisdefinedasanysequenceofnodesfromsomestartingnodetoanynodeinthetreealongtheparent-childconnections.Thepathmustcontainatleastonenodea
乐观的大鹏
·
2024-09-16 03:32
LeetCode
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your
createta
ble
students(idintunsignedprimarykeyauto_increment,namevarchar(50)notnull,ageintunsigned,highdecimal
†徐先森®
·
2024-09-16 03:02
Oracle数据库
Web相关
错误集
【LeetCode】53. Maximum Subarray
问题描述问题链接:https://leetcode.com/pro
ble
ms/maximum-subarray/#/descriptionFindthecontiguoussubarraywithinanarray
墨染百城
·
2024-09-16 03:02
LeetCode
leetcode
Vicky的ScalersTalk第六轮新概念朗读持续力训练Day73 20210411
练习材料:ModerncavemenPart-3ˈmɒdənˈkeɪvmənpɑːt-3Theyplungedintothelake,andafterloadingtheirgearonaninflata
ble
rubberdinghy
Vicky_b9de
·
2024-09-16 03:15
使用selenium调用firefox提示Profile Missing的问题解决
使用python3运行selenium提示ProfileMissing,具体信息为:YourFirefoxprofilecannotbeloaded.Itmaybemissingorinaccessi
ble
歪歪的酒壶
·
2024-09-16 02:00
selenium
测试工具
python
自定义分区
job.setPartitionerClass(xxx.class)按照年龄分区:classAgePartitionerextendsPartitioner{@OverridepublicintgetPartition(MyCompara
ble
key
我的K8409
·
2024-09-16 02:28
Hadoop
hdfs
hadoop
大数据
shell脚本中sed命令如何使用变量
比如,在nginx的配置中,我们需要根据环境来更新/etc/nginx/sites-availa
ble
/default中的目录配置。
歪歪的酒壶
·
2024-09-16 02:26
linux
ansi
ble
的安装、使用
简介高度模块化,调用特定的模块,完成特定的任务,基于Yaml,来完成批量任务的模板化,来支持playbook。基于Python语言实现,主要使用Paramiko、PyYAML和JinJa2三个关键模块,部署简单(agentless),主从模式,支持自定义模块,支持playbook,幂等性:允许重复执行N次,没有变化时,只会执行第一次。特点:1、Configuration(cfengine,chef
ytym00
·
2024-09-16 02:55
el-ta
ble
实现全选整表,单元一页复选框功能
全选整表单选一页0":popper-append-to-body="false":total="ta
ble
Data.length":page-size="pageObj.pagesize":page-sizes
周bro
·
2024-09-16 01:54
vue.js
elementui
javascript
前端
python画图|同时输出二维和三维图
https://matplotlib.org/sta
ble
/gallery/mplot3d/mixed
西猫雷婶
·
2024-09-16 01:53
python
开发语言
Vue + Express实现一个表单提交
环境:Node10+前端:Vue服务端:Express依赖包:vueexpressaxiosexpress-formida
ble
element-ui(可选)前言:axiosget请求参数是:paramsaxiospost
九旬大爷的梦
·
2024-09-16 01:10
iOS下拉放大效果
好多下拉放大的实现方式是在ta
ble
View上面添加一个view,同时更改ta
ble
View.contentInset,下拉时改变view的frame来实现。
RobinZhao
·
2024-09-16 01:09
Ubuntu常用命令整理
openssh-serversudoapt-getinstallopenssh-server检查安装是否成功sudops-e|grepssh开启ssh服务sudoservicesshstartUbuntu开启/关闭防火墙:开启防火墙sudoufwena
ble
十里染林
·
2024-09-16 01:56
如何利用Samba跨平台分享Ubuntu文件夹
sudovim/etc/samba/smb.conf打开配置文件滑动文件到最底下输入以下内容[Share]#要共享的文件夹路径path=/home/xxx/sambasharereadonly=nobrowsa
ble
GottenZZP
·
2024-09-16 00:46
部署相关
ubuntu
linux
运维
Ubuntu Juju 与 Ansi
ble
的区别
JujuandAnsi
ble
arebothpowerfultoolsusedformanagingandorchestratingITinfrastructureandapplications,buttheyhavedifferentapproachesandusecases.Here
xidianjiapei001
·
2024-09-16 00:15
#
Kubernetes
ubuntu
ansible
linux
云原生
Juju
二十四、k8s 资源管理
示例:创建一个pod5、测试用例测试1:测试2:测试3:二、资源服务质量管理(RequestsQos)1、Qos级别分类:1.1、Guaranteed:1.2、BestEffort:1.3、Bursta
ble
繁华依在
·
2024-09-16 00:41
k8s
kubernetes
容器
云原生
六、全局锁和表锁:给表加个字段怎么有这么多阻碍
MySQL提供了一个加全局读锁的方法,命令是Flushta
ble
swithreadlock(FTWRL)。当你需要让整个库处于
nieniemin
·
2024-09-16 00:09
svg图片兼容性和用法优缺点
svg可缩放矢量图形(Scala
ble
VectorGraphics),顾名思义就是任意改变其大小也不会变形,是基于可扩展标
独行侠_ef93
·
2024-09-15 22:38
每日一题《leetcode--LCR 022.环形链表||》
https://leetcode.cn/pro
ble
ms/c32eOV/我们使用两个指针,fast与slow。它们起始都位于链表的头部。
Peace & Love487
·
2024-09-15 22:02
题目分享
leetcode
链表
算法
笔记
数据结构
LCR 078. 合并 K 个升序链表
https://leetcode.cn/pro
ble
ms/vvXgSW/description/https://leetcode.cn/pro
ble
ms/vvXgSW/description/解题思路方法一
装B且挨揍の
·
2024-09-15 22:32
LeetCode
链表
算法
数据结构
经验分享
笔记
java
python比较字符串是否一样,Python如何确定两个字符串是否相同
akasharingthesamememorylocation).Howeverduringmytests,thereseemstobenoobviousexplanationwhentwostringvaria
ble
sthatareequalsharethesamememory
鲁东学子
·
2024-09-15 22:31
python比较字符串是否一样
【C#Mutex】 initiallyOwned错误引起的缺陷
错误代码封装类publicclassCMutexHelp:IDisposa
ble
{publicCMutexHelp(){s_mutex.WaitOne();}privatestaticMutexs_mutex
闻缺陷则喜何志丹
·
2024-09-15 19:31
c#
互斥量
进程
同步
WaitOne
initiallyOwned
临界区
MySQL锁
检查死锁如何避免死锁MySQL中锁的分类全局锁:主要用于全库逻辑备份表级锁:表锁、元数据锁、意向锁表锁:通过lockta
ble
s语句对表进行加锁,它不仅限制其他
沉着冷静2024
·
2024-09-15 19:30
MySQL
mysql
数据库
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