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MIMO-OFDM-Based Massive Connectivity With Frequency Selectivity Compensation
## System Model ### MIMO-OFDM-Based Grant-free NOMA Model // b=true ......
git clone work with proxy 设置代理
设置代理 ```bash git config --global http.proxy http://localhost:7890 ``` 查看 ```bash git config --global --get http.proxy ``` ## Reference https://stackov ......
当在js文件里引入pinia时报错:Uncaught Error: []: getActivePinia was called with no active Pinia
1、问题背景 我在一个 js 文件里需要使用 pinia 去修改状态存储里的内容,但是在引入 pinia 的时候,比如 cont store = useStore() 时发现报错:getActivePinia was called with no active Pinia. 说是实例在文件中使用的时 ......
粗读Multi-Task Recommendations with Reinforcement Learning
论文: Multi-Task Recommendations with Reinforcement Learning 地址: https://arxiv.org/abs/2302.03328 # 摘要 In recent years, Multi-task Learning (MTL) has yi ......
string函数
这篇文章介绍一些String类常用函数。 1、转换小写 string s = "ChinaPeople";string s1 = s.ToLower(); //字符串是不可变的,所以转换后的值通过字符串返回Console.WriteLine(s1);//输出:chinapeole2、转化为大写 st ......
python包报错ImportError: urllib3 v2.0 only supports OpenSSL 1.1.1+, currently the 'ssl' module is compiled with 'OpenSSL 1.0.2k-fips 26 Jan 2017'
报错:ImportError: urllib3 v2.0 only supports OpenSSL 1.1.1+, currently the ‘ssl’ module is compiled with OpenSSL 1.1.0h 27 Mar 2018. 解决办法:Terminal窗口执行:p ......
iOS 苹果授权登录(Sign in with Apple)系列之uniapp篇
官方网址 https://uniapp.dcloud.net.cn/tutorial/app-oauth.html# 代码集成 1、在 template 添加以下代码, 苹果授权登录(Sign in with Apple)是 iOS 13 才有的,做下系统版本判断 <template> <view ......
ld terminated with signal 9 [Killed]
001、报错 ld terminated with signal 9 [Killed] 002、报错原因 swap内存不足造成。 编译出错主要原因是服务器虚拟内存不足导致,而服务器刚好又没有swap分区,所以需要建个swap分区,参考方法如下: 。 来源:https://www.fengnayun. ......
visual studio在运行ashx文件时 出现 Failed to load resource: the server responded with a status of 500 (Internal Server Error)
报错详细信息如下 “/”应用程序中的服务器错误。 分析器错误 说明: 在分析向此请求提供服务所需资源时出错。请检查下列特定分析错误详细信息并适当地修改源文件。分析器错误消息: 未能创建类型“WebApp.FileUploadHandler”。源错误: 行 1: <%@ WebHandler Lang ......
编写一个函数,判断 string 对象中是否含有大写字母。编写另-个函数,把 string 对象全都改成小写形式。在这两个函数中你使用的形参类型相同吗?为什么?
第一个函数的任务是判断 string 对象中是否含有大写字母,无须修改参数的内容,因此将其设为常量引用类型。第二个函数需要修改参数的内容,所以应该将其设定为非常量引用类型。满足题意的程序如下所示: #include <iostream> #include <Windows.h> using name ......
java—运行时常量池(Runtime Constant Pool)、常量池(Constant Pool)、字符串常量池(String Constant Pool)
最近在看常量池相关的东西的时候,会被这几个常量池给弄的晕乎乎的 查阅了《深入理解java虚拟机》总结如下: 一、常量池共有三类: ’运行时常量池(Runtime Constant Pool) 常量池(Constant Pool):也是常说的class文件常量池(class constant pool ......
String
String str1= "abc"; String str2= new String("abc"); String str3= str2.intern(); System.out.println(str1==str2); System.out.println(str2==str3); System ......
go strings.Builder
字符串拼接和strings.Buffer缺点 Go里面的字符串是常量,对字符串的修改会重新申请内存地址。虽然bytes.Buffer避免了字符串修改过程中的内存申请,但是最后从[]byte转成字符串时会重新内存申请。从Go 1.10开始,提供了性能更好的方法strings.Builder,与byte ......
配置问题-Error creating bean with name 'user' defined in class path resource [bean.xml]
正在学习 IoC 使用的 jdk 版本为 jdk 17 依赖为: ```xml org.springframework spring-core 6.0.6 org.springframework spring-context 6.0.9 org.junit.jupiter junit-jupiter ......
java--String类的常用方法
一、获取 1、length() 获取字符串长度 String str = "ahcckmvevawe"; System.out.println(str.length()); //输出12 2、charAt(int index) 返回下标对应的字符 String str = "ahcckmvevawe ......
at-speed test with hierarchical wrapper chain
1. help hierachical design of at-spped test close timing: when running block level ATPG, input wrapper chain capture X from D input pin of input wrapp ......
salesforce排错System.DmlException: Insert failed. First exception on row 0; first error: REQUIRED_FIELD_MISSING, Required fields are missing: [Contract_End_Date__c]: [Contract_End_Date__c]
System.DmlException: Insert failed. First exception on row 0; first error: REQUIRED_FIELD_MISSING, Required fields are missing: [Contract_End_Date__c] ......
gcc5 std::string的变化
自从GCC-5.1开始,std::string引入了遵从C++11标准的新实现,默认使用SSO(small string optimization)特性,禁用了写时复制(COW)引用计数机制,这也带来了与旧版本std::string的ABI兼容性问题。 参考: http://www.pandadem ......
字符串 String 之 StringBuffer
@Test public void f() { String s1 = "a"; String tmp = s1; s1 += "b"; System. out. println(tmp); //a System. out. println(s1) ; //ab } @Test public voi ......
MyBatis返回resultType=Map的用法, 返回List<Map<String,String>>
<select id="statOnlineAndNotlineNumber" resultType="java.util.Map" parameterType="java.lang.String" > SELECTonline_state as state,COUNT(online_state) ......
字符串 String 之 equals( )方法
/* String类提供了equals()方法,比较存储在两个字符串对象的内容是否一致 */ @Test public void f1() { // 创建string对象 String str1 = "hello"; //推荐使用字面量方法 String str2 = new String(); / ......
Authentication With ASP.NET Core Identity
Authentication With ASP.NET Core Identity、 Preparing the Authentication Environment in our Project The first thing, we are going to do is disable unau ......
User Registration with ASP.NET Core Identity
User Registration with ASP.NET Core Identity So basically, we have all the input fields from our model in this view. Of course, clicking the Create bu ......
js string 转换为十六进制转义序列
function convertToHexEscape(str) { let hexEscape = ""; for (let i = 0; i < str.length; i++) { const charCode = str.charCodeAt(i); const hexValue = cha ......
MEANTIME Mixture of Attention Mechanisms with Multi-temporal Embeddings for Sequential Recommendation
[TOC] > [Cho S., Park E. and Yoo S. MEANTIME: Mixture of attention mechanisms with multi-temporal embeddings for sequential recommendation. RecSys, 20 ......
External Identity Provider with ASP.NET Core Identity - Code Maze (code-maze.com)
External Identity Provider with ASP.NET Core Identity - Code Maze (code-maze.com) Using an external identity provider while login to the application i ......
PostgreSQL(pg) /MYSQL数据库,使用递归查询(WITH RECURSIVE)功能来实现获取指定菜单ID的所有下级菜单数据。
PostgreSQL /MYSQL数据库,使用递归查询(WITH RECURSIVE)功能来实现获取指定菜单ID的所有下级菜单数据。 下方用例是假设菜单表menu的 改成自己的表即可 WITH RECURSIVE menu_hierarchy AS ( SELECT id, name, parent ......