welcome tokyo to
Introduction to ORB (Oriented FAST and Rotated BRIEF)
特征匹配是许多计算机视觉问题的基础，例如物体识别、图像配准、图像检索、增强现实。在本文中，我们提出了一种基于BRIEF的非常快速的二进制描述符，称为ORB，它具有旋转不变性和抗噪性。通过实验证明，ORB的速度比SIFT快两个数量级，并且同时在许多情况下表现出色。 ......
To do list
暑假和联赛前要看的东西： 1. 各种分治 1. 构造 1. 搜索（$\text{meet in the middle}$ / 启发式/ 优化剪枝） 1. $\text{DP}$（背包、树形、$\text{DAG}$、状压、区间、数位、动态） 1. $\text{DP}$ 优化（斜优、高消、单调性、状 ......
centos 中，unable to download updates: could not do untrusted question as no klass support
这个问题可能是由于您的系统缺少Klass支持导致的。您可以尝试以下方法解决： 1. 更新软件包列表： ``` sudo yum update ``` 2. 如果更新软件包列表后问题仍然存在，您可以尝试安装Klass支持： ``` sudo yum install klass-utils ``` 3. ......
[中英文] Aligning language models to follow instructions 对齐语言模型以遵循指令
We've trained language models that are much better at following user intentions than GPT-3 while also making them more truthful and less toxic, using ......
this version of the Java Runtime only recognizes class file versions up to 55.0
问题： 运行SpringBoot demo时报错： this version of the Java Runtime only recognizes class file versions up to 55.0 at 原因： 编译版本和运行版本不一致，具体原因是编译版本高于运行版本，SpringBo ......
Python+selenium报错raise NoSuchDriverException(f"Unable to obtain {service.path} using Selenium Manager; {err}")...解决方案
一、问题描述 进行自动化测试执行程序报错如下图： 二、解决方案 在网上找了好久都没找到答案，最后根据以往经验想到是不是selenium版本有问题，本人python版本是3.11.0，所以将selenium版本也降到3.11.0之后问题解决。 selenium降版本： pip3 install sel ......
whether people are willing to pay extra costs to eliminate ambiguity
1. Introduction This article aims to test whether people are willing to pay extra costs to eliminate ambiguity for an investment selection task involv ......
NavigationDuplicated: Avoided redundant navigation to current location: "/".
```js /* vue-router 3.5.3 引入的promise 当重复点击两下的时候,会出现一个 NavigationDuplicated: Avoided redundant navigation to current location: "/". 解决方案: 重写路由push或者rep ......
How To Fix the ERR_OSSL_EVP_UNSUPPORTED Error in Node.js
Fix the ERR_OSSL_EVP_UNSUPPORTED Error There are two ways to fix the ERR_OSSL_EVP_UNSUPPORTED error: Upgrade Node.js by downloading and installing the ......
pip3 Defaulting to user installation because normal site-packages is not writeable
**Defaulting to user installation because normal site-packages is not writeable** , which maintains the block data to fetch is dead.
# 问题描述 org.apache.spark.shuffle.FetchFailedException: The relative remote executor(Id: 21), which maintains the block data to fetch is dead. 最近在做Spark ......
ORA-20000: Unable to set values for index xxx: does not exist or insufficient privileges
使用expdp/impdp导出导入数据时，遇到ORA-2000错误，如下所示： Processing object type SCHEMA_EXPORT/TABLE/GRANT/OWNER_GRANT/OBJECT_GRANTProcessing object type SCHEMA_EXPORT/ ......
Failed connect to raw.githubusercontent.com:443； 拒绝连接
解决方法： 1.打开hosts文件 sudo vim /etc/hosts 2.输入以下内容，然后esc :wq保存。 199.232.28.133 raw.githubusercontent.com 3.重新执行命令 ......
pandas.to_sql指定字段类型
考虑使用dtype参数将SQLAlchemy 类型pandas.DataFrame.to_sql的字典传递给命名列： ``` import sqlalchemy data.to_sql(name=table_name, con=engine, if_exists='replace', index=F ......
How to Paraphrase?
How do we paraphrase? There are many techniques we can use,but essentially paraphrasing can involve three main features: 1.Changing word class(e.g. ve ......
Variable 'xxxx' is accessed from within inner class, needs to be final or effectively final-Lambda 表达式的变量与作用域
#### 问题的原因 问题代码： ``` public static void main(String[] args) { Integer sum = 0; Integer count = 0; List list = new ArrayList(Arrays.asList(1,2,3,4,5)); ......
kubelet 报 Failed to run kubelet" err="failed to run Kubelet: unable to load bootstrap kubeconfig: stat /etc/kubernetes/bootstrap-kubelet.conf: no such file or directory" 处理方法
1、 kubelet 启动 报 unable to load bootstrap kubeconfig: stat /etc/kubernetes/bootstrap-kubelet.conf: no such file or directory" ，原因是kubelet.conf的证书权限有问题 ......
How to use handleChange() function in react component?
An onChange event is triggered when values are entered in the input. This fires a function handleChange(), that is used to set a new state for the inp ......
vue项目打包上线时报错‘Failed to load resource: net::ERR_FILE_NOT_FOUND‘
vue项目打包上线时报错’Failed to load resource: net::ERR_FILE_NOT_FOUND’ 原因：这里的确是css以及js文件的路径问题 解决方案： 解决时并不需要手动改路径或者加一段判断去修改 最方便的办法时在项目打包前的 vue.config.js 里面将pub ......
centos7 安装 pylzma 失败:/usr/bin/ld: this linker was not configured to use sysroots
问题背景： centos7 安装 pythond的 pylzma 模块失败。 报错内容： pip install pylzma Collecting pylzma Using cached pylzma-0.5.0.tar.gz (4.2 MB) Building wheels for collec ......
convert string list to number list
``` #string with integers sepated by spaces string1="1 2 3 4 5 6 7 8" print("Actual String containing integers: ",string1) print("Type of string: ",ty ......
E:[IU] : Failed to open the configuration file! Exiting...
This is outside Qt's scope, the message is not printed by Qt. From the linked discussion it would seem that the message is output by the Intel graphic ......
qt this application failed to start because it could notfoind orloadthe Qt platform
qt程序报错：this application failed to start because it could notfoind orloadthe Qt platform C:\Users\lenovo>C:\Users\lenovo>C:\Users\lenovo>cd D:\software ......
E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root?
错误： E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/ ......
nginx http to https
server { listen 80; server_name xxx.cn www.xxx.cn; return 301 https://$server_name$request_uri; } server { listen 443 ssl http2; server_name xxx.cn ww ......
Vue3 vite：is a JavaScript file. Did you mean to enable the 'allowJs' option?
描述 今天在vue3+vite下进行打包时,突然vscode报了一个error。 大概的意识是询问是否启用“allowJS”选项，因为该文件在程序内是指定用于编译的根文件。 提示信息已经很明确了，下面从网上摘抄了下什么是 allowJS 选项。 allowJs是1.8中新提供的选项。TypeScri ......
redis集群报错：MISCONF Redis is configured to save RDB snapshots, but it is currently not able to persist on disk.
之前在x86架构的服务器部署redis集群，未遇到题中问题；然而在ARM架构的服务器部署redis集群，第一次遇到如此问题。虽然问题已经解决，但不清楚问题的具体原因，在此做个记录。 性能测试过程中，通过pinpoint捕捉到如下报错： MISCONF Redis is configured to s ......