objectives you for and

new Object()占用内存

32位虚拟机和64位虚拟机下的Java对象头内存模型: 本地环境是jdk1.8,64位虚拟机,这里我以64位虚拟机(开启指针压缩)来分析,因为默认情况下,jdk1.8 在64位虚拟机默认开启指针压缩。 Java 对象头主要包括两部分,第一部分就是 Mark Word,这也是 Java 锁实现原理中重 ......
内存 Object new

L11U6-01 Talking about a book you've read

谈论故事 使用类似表达引入故事: I've just finished reading a really good book. 我刚刚看完了一本很不错的书。 It's about Elizabeth, an honest, lively, witty girl. 书中讲的是一个诚实、活泼而聪明的女孩 ......
Talking about book read you

How to log in when using gin's non-separated front-end and back-end systems

Person: How to log in when using gin's non-separated front-end and back-end systems? ChatGPT: When using Gin as the back-end system and a non-separate ......

docker启动出现Job for docker.service failed because the control process exited error code问题

只需要修改docker.server文件即可: 执行以下命令: vim vim /lib/systemd/system/docker.service 然后将ExecStart=/usr/bin/dockerd -H fd:// 改成ExecStart=/usr/bin/dockerd -H fd:/ ......
docker because control service process

What is static and dynamic libraries

What is static and dynamic libraries 他们有什么相同点吗? 都是库文件。对于调用库文件的使用者来说,不管是静态库还是动态库,调用的方式都是一样的,没什么区别。 Differences between static and dynamic libraries 动态库 ......
libraries dynamic static What and

QBUS6600 Data Analytics for Busines

Data Analytics for Business CapstoneSemester 1, 2023Assignment 1 (individual assignment) 1. Key information Required submissions: Written report (in p ......
Analytics Busines QBUS 6600 Data

增加单条(判断数据是字典=单条),增加多条(判断数据是字典=列表套字典),修改单条,修改多条(重写ListSerializer的update方法或使用for循环)数据处理方式

1.增加单条或多条数据判断是否是dict或list: 2.修改单条数据 3.继承ListSerializer,根据list_serializer_class,重写ListSerializer中的方法 4.继承重写方法_BookListSerializer批量新增数据 5.批量修改方法1_利用for循 ......

Measuring the diversity of recommendations: a preference-aware approach for evaluating and adjusting diversity

Meymandpour R. and Davis J. G. Measuring the diversity of recommendations: a preference-aware approach for evaluating and adjusting diversity. Knowled ......

Educational Codeforces Round 145 (Rated for Div. 2) A-D题解

比赛地址 A. Garland 1 void solve() 2 { 3 for(int i=1;i<=4;i++) 4 { 5 b[i]=a[i]=0; 6 } 7 int cnt=0; 8 string t;cin>>t; 9 set<int>st; 10 for(int i=0;i<4;i++ ......
题解 Educational Codeforces Round Rated

how to set static ip using command line for kali linux

How to configure Kali Linux to use a static IP address https://miloserdov.org/?p=542 sudo vim /etc/network/interfaces auto eth0 iface eth0 inet static ......
command static linux using line

Python - difference between '../../' and '/../../' when they are concatenated to a path

scnzzh: ~/aaa >cat zzh1.py import os.path print(os.path.dirname(__file__)) abs_file_dir = os.path.abspath(os.path.dirname(__file__)) print(abs_file_di ......
39 concatenated difference between Python

.NET Core Swagger Actions require a unique method/path combination for Swagger/OpenAPI 3.0. Use ConflictingActionsResolver as a workaround

遇到的问题 因为新增了一个控制器方法,从而导致在运行Swagger的时候直接报错,异常如下: SwaggerGeneratorException: Conflicting method/path combination "POST api/UserOperationExample" for acti ......

Educational Codeforces Round 145 (Rated for Div. 2) - 题解

https://codeforces.com/contest/1809/problems A. Garland 只需要枚举颜色种类数即可。如果颜色为 $2$ 还要枚举一下颜色分布,形如 aabb 的答案为 $4$,形如 abbb 的答案为 $6$,如果形如 aaaa 无解,否则答案均为 $4$。 # ......
题解 Educational Codeforces Round Rated

迁移学习(PCL)《PCL: Proxy-based Contrastive Learning for Domain Generalization》

论文信息 论文标题:PCL: Proxy-based Contrastive Learning for Domain Generalization论文作者:论文来源:论文地址:download 论文代码:download引用次数: 1 前言 域泛化是指从一组不同的源域中训练一个模型,可以直接推广到不 ......

centos安装xampp后报错:egrep: error while loading shared libraries: libc.so.6: cannot open shared object file: No such file or directory

1、centos6.9安装xampp(xampp-linux-x64-7.0.21-0-installer.run)后启动的时候,报错: 2. 有人说少了glibc包,但是机器不缺少报错的包 3.正确答案: vi /opt/lampp/lampp 找到export LD_ASSUME_KERNEL= ......
shared file directory libraries loading

PHP输出视频流 本地and在线视频

废话不多说 直接上代码 这个是支持在线读取远程视频文件的,分段读取 已测试支持ios 及ios uc浏览器,代码中的算法还可以优化,需要的朋友 请自行修改,视频地址可能会失效,到时候换成你需要的就行了。 该带码经过测试,在2h2g 的服务器上支持多人在线观看,同时不消化内存(具体多少人自行测试吧。免 ......
视频流 视频 在线视频 PHP and

【论文翻译】An optimization framework for designing robust cascade biquad feedback controllers on active noise cancellation headphones

下载地址:An optimization framework for designing robust cascade biquad feedback controllers on active noise cancellation headphones Abstract 本文提出了一种直接在有源降 ......

vue3报错 Vue received a Component which was made a reactive object.

报错信息如下: Vue received a Component which was made a reactive object. This can lead to unnecessary performance overhead, and should be avoided by marking ......
Component received reactive object which

GROUP BY clause and contains nonaggregated 报错处理

1055 - Expression #16 of SELECT list is not in GROUP BY clause and contains nonaggregated column 报错处理 源码想移植到新的机器,MySQL 使用PHPStudy 安装 升级到5.7.26 。一切准备就绪 ......
nonaggregated contains clause GROUP and

ArcGIS Runtime for Android 7 编译调试已有项目

在前面的例子,我们已经了解了如何从头开始实现搭建运行环境,并使用ArcGIS Runtime for Android加载地图,今天,我们重点来分享如何打开并编译已有项目。 测试环境 官方的资料是最好的老师,我们仍然采用官方网站提供的一个示例: https://developers.arcgis.co ......
Android Runtime 项目 ArcGIS for

and or 混用

and or 混用 and 优先级 > or 1,SELECT * from managers WHERE `name` = 'admin' OR 1=1 and `password`='admin1111' 相当于 SELECT * from managers WHERE `name` = 'ad ......
and or

JavaScript ES modules import and export with trailing commas All In One

JavaScript ES modules import and export with trailing commas All In One JavaScript 最佳实践 export + trailing commas ......
JavaScript trailing modules import export

03.Forecasting the realized volatility of stock price index A hybrid model integrating CEEMDAN and LSTM

Forecasting the realized volatility of stock price index A hybrid model integrating CEEMDAN and LSTM 预测股票价格指数的实际波动率 CEEMDAN 和 LSTM 的混合模型 波动率:波动率是金融资产价 ......

查看 docker-for-mac的 runtiime

使用容器命名空间 docker run -it --rm --privileged --pid=host justincormack/nsenter1 进入容器 uanme -a # Linux docker-desktop 5.15.49-linuxkit #1 SMP PREEMPT Tue S ......
docker-for-mac runtiime docker for mac

java-Object的通用方法:equals()、hashCode()、toString()、clone()

1 /** 2 * Object通用方法:equals()、hashCode()、toString()、clone() 3 */ 4 @Data 5 @NoArgsConstructor 6 @AllArgsConstructor 7 public class objectMethodExample ......
java-Object hashCode toString 方法 Object

MongoDB ObjectId() function not work and fix solution All In One

MongoDB ObjectId() function not work and fix solution All In One ......
ObjectId function solution MongoDB work

Object.keys、Object.values 和 Object.entries 帮助检索拥有的键与值

Object.keys、Object.values 和 Object.entries 都返回一个数组。 一旦返回,我们就可以开始使用数组方法了 1.Object.keys() 实用程序获取对象的所有拥有键。 const tom = { name: 'tommer', age: 9 }; consol ......
Object entries values keys

CF1168C And Reachability 题解 线性dp

题目链接 https://codeforces.com/problemset/problem/1168/C 题目大意 给定一个数组 $a$,从下标 $x$ 能够转移到下标 $y$ 要满足 $x \lt y$ 且 $a_{p_i}, &, a_{p_{i+1}} > 0$,其中 $&$ 表示逻辑与。多 ......
题解 线性 Reachability 1168C 1168

create PO and Post

static void CreatePO(Args _args) { NumberSeq numberSeq; Purchtable Purchtable; PurchLine PurchLine; PurchParmTable purchParmTable; PurchFormLetter pur ......
create Post and PO

geoscene for js vue 开发环境搭建及本地化部署

1、需求 公司项目要用到geoscene for js,所以你懂的 2、环境 win10、VSCode、geoscene for js 4.25.6 3、踩坑 1)、安装geoscene 按照官方说明文档 https://doc.geoscene.cn/javascript/4.23/install ......
geoscene 环境 for vue js