desertification china of
JDK 版本异常导致 flutter doctor --android-licenses 出错 (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0
flutter doctor --android-licenses Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.U ......
二、adb连接不上手机,提示“List of devices attached”及相关操作
常用指令合集: 1、adb devices 查看连接的设备 2、adb logcat -v -time > 1.log (文件名可随意更改) 启动adb 1.打开cmd首次使用adb devices,出现下面这两句,就是正在启动adb服务 C:\Users\admin>adb devices Lis ......
Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed;
报错Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConf... ......
Number Theory: The set of Real实数系构造:实数公理化(R, +, ×, ≥)之Field/Order/Continuity + Dedkind分割
Number Theory: The set of Real实数系构造 实数公理化(R, +, ×, ≥)之Field/Order/Continuity F(域):定义 +, ×, ≥: +: 加法的 交换律、结合律、0单位元、负元 ×: 乘法的 交换律、结合律、1单位元、逆元、乘法×对加法+的分配 ......
【题解】[ABC312E] Tangency of Cuboids(adhoc)
# 【题解】[ABC312E] Tangency of Cuboids 少见的 at 评分 $2000+$ 的 ABC E 题,非常巧妙的一道题。 特别鸣谢:@[dbxxx](https://www.luogu.com.cn/user/120868) 给我讲解了他的完整思路。 ## 题目链接 [AB ......
Angular:error TS2717: Subsequent property declarations must have the same type. Property 'contentRect' mu st be of type 'DOMRectReadOnly', but here has type 'DOMRectReadOnly'.
# 解决方案 在`tsconfig.json`的`compilerOptions`选项中添加如下内容`"skipLibCheck": true`。 如下图所示 ![image](https://img2023.cnblogs.com/blog/1795938/202307/1795938-20230 ......
[Gym 102770L]List of Products 题解
## 简要题意 记 $p_i$ 为从小到大第 $i$ 个质数,并记 $v_p(n)$ 为正整数 $n$ 中质因子 $p$ 的最高次幂( $p\nmid n$ 则为 $0$ )。现在对于两个正整数 $x,y$,重新定义它们的大小关系: - 若 $x=y$ ,则认为 $x$ 与 $y$ 相等。 - 否则 ......
Codeforces Round 105 (Div. 2) - D. Bag of mice DP 或 记忆化搜索 求概率
# [D. Bag of mice](https://codeforces.com/contest/148/problem/D) ## 题意 待补充~ ## 思路 可利用 DP 或者记忆化搜索求解本问题,实际上这两个方法等价。 ## 代码 - 记忆化搜索 ```cpp //>>>Qiansui #i ......
Overcoming Fear of Failure:Facing Your Fear of Moving Forward
It's almost impossible to go through life without experiencing some kind of failure. People who do so probably live so cautiously that they go nowhere ......
【题解】HDOJ 7304 [2023杭电多校] Out Of Control
题目传送门:[HDOJ 7304 [2023杭电多校] Out Of Control](https://acm.hdu.edu.cn/showproblem.php?pid=7304) # 题意 给长度为 $n$ 的序列 $a_n$ 以及 $k$ ,问容量分别为 $i \in k$ 时,有多少种取 ......
Quantitative Approach of Management Science:(better decision making by using quantitative techniques)
Which is the use of **quantitative techniques to improve decision making**. Also known as _management science_. **Better decision making by using quan ......
【题解】Max to the Right of Min - Codeforces 1849E
**出处:** Educational Codeforces Round 152 **链接:** https://codeforces.com/problemset/problem/1849/E **题目大意:** TODO(先去看原题吧) **解题思路:** PS:这里的解题思路跟标准答案不太一样 ......
ChatGPT技巧之Few-Shot Chain of Thought(少样本思维链)
**Few-Shot Chain of Thought(少样本思维链)** 这个技巧使用的关键就是在给AI提供示例的同时解释示例的逻辑。 比如这样 - 这组数字中的奇数加起来得到一个偶数:4、8、9、15、12、2、1。A:将所有奇数相加(9、15、1),得到25。答案是False。 - 这组数字中 ......
house of cat
# house of cat ## 概述 在libc2.24之后,增加了对`vtable`地址合法性的检查,无法直接改`vtable`为后门函数`getshell`,衍生出了一些二次跳转进行攻击的IO链,`house of cat`本质上是对一条简单的函数调用链的利用,需要绕过的检查很少。伪造一 ......
Heap 0x05(House of Spirit)
调试思路以及例题来源于:(https://hollk.blog.csdn.net/article/details/109284167) ## House of spirit 似乎是一种特殊却又类似于double free的效果的攻击,之前的double free我们利用的是已有的chunk去free ......
The importance of experience replay database composition in deep reinforcement learning
![](https://img2023.cnblogs.com/blog/1428973/202307/1428973-20230727110633815-1407402877.png) **发表时间:**2015(Deep Reinforcement Learning Workshop, NIPS ......
828. Count Unique Characters of All Substrings of a Given String (Hard)
Description 828. Count Unique Characters of All Substrings of a Given String (Hard) Let's define a function countUniqueChars(s) that returns the numbe ......
for...in 循环和 for...of 循环的区别
JavaScript 中的 `for...in` 循环和 `for...of` 循环是两种不同的迭代方式,用于遍历数据结构中的元素。它们具有一些区别: 1. `for...in` 循环: - 用于遍历对象的可枚举属性(包括原型链上的属性)。 - 迭代的是键(属性名),而非值。 - 不保证迭代顺序,因 ......
The Rising Importance of Automotive Diagnostic Tools in the Repair Industry
The Rising Importance of Automotive Diagnostic Tools in the Repair IndustryIn the ever-evolving automotive world, continuous advancements in technolog ......
map of tuples and unordered_map of tuples
由于c++ map和unordered_map的底层实现不同,因此对tuples 作为key的支持情况也不同。 map是二叉树实现的,因此tuple as key比较容易实现,c++也是支持的。 unordered_map是hash实现的,hash一个tuple就不太容易了,c++貌似不支持,同样值 ......
for for…in for…of
for文for (let i = 0; i < 7; i++) { console.log(i);} for...of文const array1 = ['a', 'b', 'c']; for (const element of array1) { console.log(element);} for ......
871.minimum number of refueling stops
Description 871.minimum-number-of-refueling-stops Solution Dynamic programming In this problem, the number is finite, and there is a recurrence relati ......
1775.equal sum arrays with minimum number of operations
Description 1775.equal-sum-arrays-with-minmum-number-of-operations Solution hash table + greedy algorithm The general idea of this problem is hash + g ......
1798.maximum number of consecutive values you can make
Description 1798.maximum-number-of-consecutive-values-you-can-make Solution Greedy algorithm + dynamic programming First, we sort the array in ascendi ......
A Brief History of Big Data Technology Development
Foreword Before writing this article, I wrote about the history of some big data components and some of its evaluations intermittently, but I felt uns ......
Spire.XLS of.net 怎么设置字体样式(普通单元格和带公式的单元格)
普通的设置就直接套用官方文档即可 //创建字体 ExcelFont font1 = workbook.CreateFont(); //设置字体,字形,大小,颜色 font1.FontName = "宋体"; font1.IsBold = true; font1.Size = 10; font1.Kn ......
Unsupervised Learning of Depth and Ego-Motion from Video(CVPR2017)论文阅读
深度估计问题 从输入的单目或双目图像,计算图像物体与摄像头之间距离(输出距离图),双目的距离估计应该是比较成熟和完善,但往单目上考虑主要还是成本的问题,所以做好单目的深度估计有一定的意义。单目的意思是只有一个摄像头,同一个时间点只有一张图片。就象你闭上一只眼睛,只用一只眼睛看这个世界的事物一样,距离 ......
Behavioral Approach of Management Science: OB(Organizational Behavior)
Managers GTD(get things done) by WWP(working with people). This explains why some writers have chosen to **look at management** by **focusing on the o ......
How to Restore ASM Based OCR After Complete Loss of the CRS Diskgroup on Linux/Unix Systems (Doc ID 1062983.1)
In this Document Goal Solution References APPLIES TO: Oracle Database - Enterprise Edition - Version 11.2.0.1.0 and later Oracle Database Cloud Schema ......