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低功耗蓝牙(BLE)
Dou
ble
值保留两位小数的四种方法
Dou
ble
值保留两位小数的四种方法转载https://blog.csdn.net/hello_word2/article/details/81808827
Small_Mayi
·
2025-01-25 05:35
java
dou
ble
保留两位小数的方法
decimalFormat.format(5.3687545);方法2(四舍五入,返回值是一个字符串)Stringformat=String.format("%.2f",5.3687545);方法3(返回值是dou
ble
Y_L_Lee
·
2025-01-25 05:32
工作笔记
java
dou
ble
保留2位小数
1.formatdou
ble
dou=3.14789;StringdouStr=String.format("%.2f",dou);System.out.println("douStr:"+douStr)
卑微远
·
2025-01-25 05:32
数据类型
double保留小数点位数
dou
ble
保留两位小数的四种方法
BigDecimal`类方法二:使用`DecimalFormat`类方法三:使用`NumberFormat`类方法四:使用`String.format`方法结论声明引言在Java编程中,我们经常遇到需要对dou
ble
小小野猪
·
2025-01-25 04:31
Java基础
java
double
Hutools 构建树结构
示例数据表及数据CREATETA
BLE
area(area_idBIGINTNOTNULLAUTO_INCREMENT,par
理想二旬不止(上班了,好像没有理想了)
·
2025-01-25 04:28
Hutools工具使用记录
java
【Mysql】Mysql数据库基本操作-------DDL(中)
1、对表结构的常用操作----创建表创建表格式:creatta
ble
(ifnotexists)(可以省略)表名(字段一类型[(宽度)][约束条件][comment'字段说明'],字段二类型[(宽度)][
爱学习的小何同学!
·
2025-01-25 03:24
数据库
mysql
Bootstrap Blazor 中 Ta
ble
组件 的 OnColumnCreating 事件:统一设置 列 的 IsVisi
ble
WhenAdd、IsVisi
ble
WhenEdit 参数
//////在Ta
ble
组件的OnColumnCreating事件中使用:设置AddColumnNames中列的IsVisi
ble
WhenEdit=true,其余列IsVisi
ble
WhenEdit=false
cqths
·
2025-01-25 03:23
#
Blazor
Web
App
web
app
.net
c#
Bootstrap Blazor 组件库 Ta
ble
组件 OnQueryAsync 查询 EF Core 键集分页、偏移分页 使用备忘
privatelonglastPageIndex=0;privateintlastPageItems=0;privateasyncTask>OnQueryAsync(QueryPageOptionsoptions){IEnumera
ble
items
cqths
·
2025-01-25 03:23
EF
Core
#
Blazor
Web
App
bootstrap
.net
web
app
亲测解决una
ble
to import torch, please install it if you want to pre-compile any deepspeed ops.
问题背景una
ble
toimporttorch,pleaseinstallitifyouwanttopre-compileanydeepspeedops.DS_BUILD_OPS=1解决方法windows
狂小虎
·
2025-01-25 03:50
Windows
系统学习python
Deep
Learning
python
人工智能
pytorch
deepspeed
用java语言,模拟银行账户的基本操作。
AccountpublicclassAccount{privateintaccountNumber;//定义整型账号privateStringhouseholder;//定义字符串户主privatedou
ble
balance
星空
·
2025-01-25 03:49
java
开发语言
【MYSQL】mysql 常用命令
查看所有数据库SHOWDATABASES;--创建数据库CREATEDATABASE数据库名;--选择数据库USE数据库名;--删除数据库DROPDATABASE数据库名;2.表管理命令--查看所有表SHOWTA
BLE
S
roman_日积跬步-终至千里
·
2025-01-25 03:48
常用命令
mysql
数据库
WPF之comboBox可模糊查询
1、IsEdita
ble
="True"(开启可编辑)2、IsTextSearchEna
ble
d="False"(开启可
白驹……过隙
·
2025-01-25 03:16
WPF
wpf
洛谷 B2031:计算三角形面积 ← 叉积
【题目来源】https://www.luogu.com.cn/pro
ble
m/B2031【题目描述】平面上有一个三角形,它的三个顶点坐标分别为(x1,y1),(x2,y2),(x3,y3),那么请问这个三角形的面积是多少
hnjzsyjyj
·
2025-01-25 02:10
信息学竞赛
#
模拟算法与基础语法
向量叉积
WPF中让Combobox具有查找功能
先在xaml中添加一个combobox:先看设置的属性:IsEdita
ble
就是启用或禁用ComboBox的文本框中的文本编辑,让combobox可以输入内容IsTextSearchEna
ble
d就是是否开启
cplmlm
·
2025-01-25 02:39
wpf
wpf
windows
入门Sta
ble
-Diffusion-WebUI全过程
这里用的软件叫“sta
ble
-diffusion-webui”,严格意义上来说是一个基于Sta
ble
Diffusion的开源项目。
沙漠蓝色披头
·
2025-01-25 01:03
Ai大模型
stable
diffusion
如何训练Sta
ble
Diffusion 模型
训练Sta
ble
Diffusion模型是一个复杂且资源密集的过程,通常需要大量的计算资源(如GPU或TPU)和时间。
俊偉
·
2025-01-25 00:59
AGI
stable
diffusion
扩散模型
训练
AI炼丹
洛谷 P1106:删数问题 ← 贪心算法
【题目来源】https://www.luogu.com.cn/pro
ble
m/P1106【题目描述】键盘输入一个高精度的正整数n(不超过250位),去掉其中任意k个数字后剩下的数字按原左右次序将组成一个新的非负整数
hnjzsyjyj
·
2025-01-25 00:58
信息学竞赛
#
贪心算法
贪心算法
java过滤器---用户登陆校验的简单实例
">username:passsword:2.过滤器代码如下:packageFilter;importjava.io.IOException;importjava.nio.channels.Seeka
ble
ByteChannel
Winston-Tao
·
2025-01-25 00:27
java
web基础
server
filter
实例
Jdbc--实现对数据库的查询,更改,删除,添加等方法
1.先新建一个数据库,代码如下:CREATETA
BLE
user_t(idINT(11)UNSIGNEDNOTNULLAUTO_INCREMENT,nameVARCHAR(50)NOTNULLDEFAULT
Winston-Tao
·
2025-01-25 00:57
创建Kotlin Android旋钮
(BeatsperMinute)—therateatwhichthemetronometicks.However,astheprojectprogressed,Iwantedtomakeitresem
ble
aphysicaldig
weixin_26739079
·
2025-01-24 23:53
python
java
kotlin gradle踩过的坑
Nocachedversionofcom.android.tools.build:gradle3.6.1availa
ble
forofflinemode解决方法-CSDN博客配置文件里的gradle版本,
112479
·
2025-01-24 23:49
随手记
kotlin
开发语言
android
【Android】【UI】Progress rotate animate
方法一:在drawa
ble
目录下创建loading_progress.xml在布局文件中添加如下:方法二:overridefunonViewCreated(view:View,savedInstanceState
用户昵称2021
·
2025-01-24 23:48
Android
app
android
ui
kotlin
已解决:No converter for [class XXX] with preset Content-Type ‘XXX‘
http://localhost:8085/api/v1.0/user/exportorg.springframework.http.converter.HttpMessageNotWrita
ble
Exception
青灯文案
·
2025-01-24 22:45
Java
后端
java
后端
restful
KaiOS debug 方法
背景因为KaiOS设备刷机后开机,debugtrace默认是关的,导致无法抓取这个过程开机激活SIM卡入网的过程,因此问题排查的时候需要出debug版本把开关默认打开,即把'debug.gaia.ena
ble
d
Dic-
·
2025-01-24 21:07
KaiOS
KaiOS
Debug
Trace
pub.flutter.org 国内镜像站
mac设备UsingFlutterinChinaTheFluttercommunityhasmadeaSimplifiedChineseversionoftheFlutterwebsiteavaila
ble
athttps
allanGold
·
2025-01-24 20:03
Flutter
MySQL敏感数据进行加密的几种方法
示例:首先,创建一个表来存储加密后的数据:CREATETA
BLE
encrypt
我科绝伦(Huanhuan Zhou)
·
2025-01-24 19:52
mysql
mysql
数据库
ESP32-IDF GPIO 专题
目录一、基本介绍1、配置结构体2、常用API2.1gpio_config2.2gpio_reset_pin2.3gpio_set_intr_type2.4gpio_intr_ena
ble
2.5gpio_intr_disa
ble
2.6gpio_set_level2.7gpio_get_level2.8gpio_set_direction2.9gpio_set_pull_mode2.10gpio_is
Projectsauron
·
2025-01-24 19:47
#
ESP32
esp32-idf
ubuntu
GPIO
SQL记录学习日志
删除表DROPTA
BLE
:彻底删除表和其数据,无法恢复。DROPTA
BLE
IFEXISTS:在删除之前检查表是否存在。TRUNCATETA
BLE
:删除所有数据,但保留表的结构。
柠檬无糖可乐
·
2025-01-24 18:14
sql
学习
数据库
C# 中 default 使用详解
值类型(如int,dou
ble
,struct等):返回类型
鲤籽鲲
·
2025-01-24 17:07
C#
c#
数据库
开发语言
2024年大数据最全数据仓库|数据库面试题总结_面试题 数据仓库
可以通过ALTERTA
BLE
ta
ble
_nameADDUNIQUE(column);创建唯一索引可以通过ALTERTA
BLE
ta
ble
_nameADDUNI
2301_82243558
·
2025-01-24 17:01
程序员
大数据
数据仓库
数据库
C++编程: 使用 std::ena
ble
_shared_from_this 解决多线程悬空指针(智能指针失效)
文章目录0.概要1.什么是`std::ena
ble
_shared_from_this`?2.
橘色的喵
·
2025-01-24 16:25
C++
c++
智能指针
悬空指针
shared_ptr
weak_ptr
shared_from
多线程
AAAI2024论文解读|Memory-Efficient Reversi
ble
Spiking Neural Networks-water-merged
论文标题Memory-EfficientReversi
ble
SpikingNeuralNetworks内存高效可逆脉冲神经网络论文链接Memory-EfficientReversi
ble
SpikingNeuralNetworks
paixiaoxin
·
2025-01-24 16:22
文献阅读
论文合集
脉冲神经网络
可逆架构
内存效率
深度学习
训练优化
AAAI
hive数据类型
数字类型TINYINT(1字节整数)SMALLINT(2字节整数)INT/INTEGER(4字节整数)BIGINT(8字节整数)FLOAT(4字节浮点数)DOU
BLE
(8字节双精度浮点数)示例:createta
ble
t_test
qzWsong
·
2025-01-24 14:11
hive
hive数据操作,导入导出
hdfs命令,将文件放入表目录;方式2:在hive的交互式shell中用hive命令来导入本地数据到表目录hive>loaddatalocalinpath'/root/order.data.2'intota
ble
t_order
qzWsong
·
2025-01-24 14:10
hive
ant-design-vue, a-ta
ble
, 自动生成序号列
通过customRender:(text,record,index)=>`${index+1}`,自动生成序号列,不用再写templatecolumns:[{title:'序号',dataIndex:'index',key:'index',width:50,fixed:'left',customRender:(text,record,index)=>`${index+1}`,//关键句},....
四喜花露水
·
2025-01-24 14:10
Antd
vue
前端
linux
javascript
anti-design-vue
vue.js
C语言类型
浮点型用于表示带有小数部分的数,如float(单精度浮点型),它占4个字节,精度相对较低;dou
ble
(双精度浮点型)占8个字节,精度更高,
czme
·
2025-01-24 14:09
c语言
Pyside6(PyQT5)中的QTa
ble
View与QSqlQueryModel、QSqlTa
ble
Model的联合使用
QTa
ble
View是QT的一个强大的表视图部件,可以与模型结合使用以显示和编辑数据。
深蓝海拓
·
2025-01-24 14:37
pyside6系统学习
pyside6学习笔记
数据库
python
pyqt
qt
QAbstractItemModel简介
以下是一些常见的子类及其用途:1.表格模型QAbstractTa
ble
Model:用于处理二维表格数据。适用于类似Excel表格的视图(如QTa
ble
View)。需要重写rowCount(
深蓝海拓
·
2025-01-24 13:37
pyside6系统学习
pyside6学习笔记
qt
pyqt
python
QTa
ble
Widget设置行高与列宽自适应文本大小
背景:item文本过长被隐藏掉或其它等问题固定行高列宽,不允许用户拉伸表格行高与列宽一、基础用法(QTa
ble
Widget中没有其它控件)设置表头#include设置自适应ta
ble
Widget->
常乐か
·
2025-01-24 13:37
Qt
qt
开发语言
SOME/IP服务接口
SOME/IP(Scala
ble
service-Orie
辣椒卷二王
·
2025-01-24 13:31
网络协议
网络
someip
车载中间件
AtCoder备赛刷题 ABC 363 | Avoid Palindrome 2
附上汇总贴:AtCoder备赛刷题|汇总【Pro
ble
mStatement】YouaregivenastringSSSoflengthNNNconsistingonlyoflowercaseEnglishletters
热爱编程的通信人
·
2025-01-24 12:59
c++
算法
麒麟服务器arm64架构离线升级openssh9.8p1
zlib源码包提示:如果生产环境下请先在测试服务器测试,没问题后再更新正式环境#openssh下载链接https://cdn.openbsd.org/pub/OpenBSD/OpenSSH/porta
ble
_WHOAM1
·
2025-01-24 12:27
服务器
运维
运维之道 | Ansi
ble
自动化项目实战 LNMP 服务安装部署
一、LNMP部署规划Mysql部署详情信息:mysql_basedir:/usr/local/mysql/源码目录mysql_datadir:/data/mysql/数据目录mysql_user:mysqlmysql用户mysql_database_user:root数据库用户mysql_passwd:'123456789'数据库密码mysql_port:3306mysql监听端口mysql_so
VillianTsang
·
2025-01-24 12:56
Ansible
java 解析PDF文件里面的表格并转换成EXCEL,不是表格的不会解析
importcom.collection.integration.constant.ReminderConstant;importcom.spire.pdf.PdfDocument;importcom.spire.pdf.utilities.PdfTa
ble
妳、终究不属于涐
·
2025-01-24 11:49
java
pdf
excel
vxe-ta
ble
设置表格selectedRowKeys变更时,刷新列表勾选状态
$refs.vuexTa
ble
.$refs.vxeTa
ble
Instance.clearCheckboxRow()
柠檬花开_
·
2025-01-24 09:06
vxetable
selectedRowKeys
动态表格
ESPIDF开发ESP32学习笔记【经典蓝牙与
BLE
】_esp32蓝牙串口库是经典蓝牙还是
ble
蓝牙
低功耗蓝牙
模块(
BLE
)指支持蓝牙协议4.0或更高的模块,也称为
BLE
模块(BluetoothLowEne
2401_87556590
·
2025-01-24 09:34
学习
笔记
2024年最新办公室文员必备python神器,将PDF文件表格转换成excel表格!
load/data.pdf’读取pdf数据pdf_data=pdfplumber.open(pdf_file)遍历PDF数据forpageinpdf_data.pages:每一页的Tbale表格数据ta
ble
2401_84691713
·
2025-01-24 09:33
程序员
python
pdf
excel
使用Swing制作类似QQ界面|圆角界面
完成的界面如下:这里只列出部分关键代码:首先是制作圆角界面:Shapeshape=null;shape=newRoundRectangle2D.Dou
ble
(0,0,width,height,5.5D,
光芒再现0394
·
2025-01-24 08:26
JAVA
swing
qq
任务
jdk
class
图形
Web和H5网页中的3D模型交互展示,是如何制作的?
市面上有众多选项可供选择,如
Ble
nder、Maya、3dsMax、C4D等。也可以通过3D扫描仪进行扫描
mirrornan
·
2025-01-24 08:52
3D行业资讯
3d
webgl
科技
Java学习,遍历HashTa
ble
键值
JavaHashTa
ble
是一个同步的键值对集合,适用于多线程环境。尽管HashTa
ble
不如HashMap常用,在需要线程安全场景,HashTa
ble
仍然有用。
五味香
·
2025-01-24 05:57
java
jvm
开发语言
学习
python
android
kotlin
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