hong kong programming the

The fontspec package Font selection for XeTeX and LuaLATEX

The fontspec package Font selection for XeTeX and LuaLATEX By file name XeTeX and LuaTEX also allow fonts to be loaded by file name instead of font na ......
selection LuaLATEX fontspec package XeTeX

Rendering the Whole Wide World on the World Wide Web - Kevin Ring,2013 - Cesium&AGI

Kevin Ring,Analytical Graphics, Inc. December 2, 2013 1. Massive Terrain Rendering(大批量地形渲染) 2. Cesium Platform - Javascript,webgl,web workers,typed ar ......
World Wide Rendering the Cesium

Massey University 159.341 Programing Languages, Algorithms and Concurrency assignment2

完成了Massey大学的Programing Languages, Algorithms and Concurrency这门课的作业2。作业要求主要是模拟电梯使用的实现,提供的代码是C语言。 完成效果演示如下 Problem to solve An incomplete C implementati ......

Programming: array

C int arr[5]; brackets must follow the identifier, definition of variable with array type needs an explicit size of an initializer ......
Programming array

报错解决:user.Case: (models.E020) The 'Case.check()' class method is currently overridden by

Django在启动时报错,如下: user.Case: (models.E020) The 'Case.check()' class method is currently overridden by <django.db.models.query_utils.DeferredAttribute o ......
Case overridden currently models method

CF1810G The Maximum Prefix

题面传送门 挺好一题,综合了几种方法。 首先看到题会想到一个dp:设 $f_{i,j,k}$ 表示到了第 $i$ 个位置,历史前缀最大值为 $j$ ,当前前缀和为 $k$ 的概率,乘上期望就是答案。但是这个状态非常寄因为状态本身就有 $O(n^3)$ 了而且不易优化。所以我们需要另辟蹊径。 不妨假设 ......
Maximum Prefix 1810G 1810 The

Konga versions equal to or below v0.14.9 use the default TOKEN_SECRET

Vulnerability Description Kong is a clould-native, fast, scalable, distributed microservice abstraction layer (also known as API gateway, API middlewa ......
TOKEN_SECRET versions default SECRET Konga

Codeforces 1810G - The Maximum Prefix(DP)

挺小清新的一道计数题。 首先先分析下这个“最大前缀和”,按照最朴素的思路就是扫一遍每个前缀,然后记录一下当前的 $sum$ 与前面的 $mx$,但是如果你一直陷在这个思路上你就似了,因为按照这个思路做,你 DP 状态里需要记录 $sum$ 和 $mx$ 两个维度,算上下标一维总共是 $n^3$,并且 ......
Codeforces Maximum Prefix 1810G 1810

升级Java17后Maven中使用bouncycastle加解密遇到JCE cannot authenticate the provider BC的解决办法

网上找了很多办法,逐一试过之后,发现有效的方式为修改打包方式: <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-jar-plugin</artifactId> <version>3.3.0</version ......

An item with the same key has already been added.

开发环境:.Net Core 3.1,NPOI 2.6.0 前言:复制行数据时,提示错误如下: An item with the same key has already been added. Key: 0 at System.Collections.Generic.Dictionary`2.Tr ......
already added item been with

npm : 无法加载文件 C:\Program Files\nodejs\npm.ps1,因为在此系统上禁止运行脚本

在新建项目时候遇到一个问题如上图,安装cnpm或者node都会报这个错误找了半天发现解决方法如下(操作如上图)1、打开终端2、在终端执行:get-ExecutionPolicy,显示Restricted(表示状态是禁止的)3、在终端执行:set-ExecutionPolicy RemoteSigne ......
脚本 npm Program 文件 nodejs

Unable to create an object of type 'NetcoremvcDbcontext'. For the different patterns supported at design time, see https://go.microsoft.com/fwlink/?linkid=851728

问题描述:我整个项目重新生成没有报错,但是用efcore迁移数据库命令:Add-Migration init就生成不了文件夹Migrations,并且报错:Unable to create an object of type 'NetcoremvcDbcontext'. For the differ ......

How to improve the accuracy of Tesseract OCR

Preprocess the image: Preprocessing involves applying various techniques to the image to enhance its quality and make it easier for the OCR engine to ......
Tesseract accuracy improve How OCR

Train the Tesseract OCR engine[how to do]

Training the Tesseract OCR engine is a complex and time-consuming process that involves several steps. Here is an overview of the process: Prepare you ......
Tesseract engine Train OCR the

How to fix use the cURL to connect to GitHub with a 443 HTTPS error All In One

How to fix use the cURL to connect to GitHub with a 443 HTTPS error All In One curl: (7) Failed to connect to raw.githubusercontent.com port 443: 拒绝连接... ......
to connect GitHub HTTPS error

Specified named range 'F' does not exist in the current workbook.

开发环境:.Net Core 3.1,NPOI 2.6.0 前言:最近使用生成excel发现出现以下错误。 耐心排查,看错误描述以为是自己当前的sheet页里面有问题,却忽略了其他sheet页,最后发现其中一个sheet页的问题,具体什么问题未排查出来,只是复制了一下有问题的sheet页并且删除原有 ......
Specified workbook current named exist

Programming: Variable Arguments (Varargs)

Java arr本质是一个数组,可直接传数组,引用类型,可能为null JavaScript Function length rest parameter Go ......
Programming Arguments Variable Varargs

The Super Powers UVA - 11752

求1~2^64 区间里, 有多少合法数X 合法数: X= a^b ,至少存在2个不同的a #include <iostream> #include <algorithm> #include <vector> using namespace std; const int N =65536+3; int ......
Powers Super 11752 The UVA

cuda programming

CUDA C++ Programming Guide CUDA C++ Programming Guide 《CUDA C Programming Guide》(《CUDA C 编程指南》)导读 Tutorial 01: Say Hello to CUDA ......
programming cuda

How to execute a shell script in the .profiles file All In One

How to execute a shell script in the .profiles file All In One ......
profiles execute script shell file

D. The Butcher(思维+构造)

题目 Codeforces Round 866 (Div. 2)D. The Butcher 题意 n个数对a,b,表示矩形 这n个矩形通过原先一个大矩形分割而来 每次分割只在上一次分割的矩阵其中之一 现在原先的矩阵大小未知,问有原先的矩阵(在切割过程中不会旋转矩阵)多少种,并输出 保证至少存在一种 ......
思维 Butcher The

启动SSH服务报:Job for ssh.service failed because the control process exited with error code.......

Job for ssh.service failed because the control process exited with error codesee systemctl status ssh.service and journalctl -xe for details.然后按照提示输入: ......
because control service process failed

[Flink] Flink作业报错:Caused by: The connector is trying to read binlog starting at GTIDs ..., but this is no longer available on the server[转载]

这个问题,属于偶现问题。通常几个月才偶现一次。 因为上周五又出现了一次,且团队内多位小伙伴都遇到过。故此,这次特别记录下,以加强印象。 1 问题描述 Flink作业报错:Caused by: The connector is trying to read binlog starting at GTI ......
Flink available connector starting Caused

How to use Linux shell command filter the IP address All In One

How to use Linux shell command filter the IP address All In One 如何使用 Linux shell 命令过滤 IP 地址 ......
command address filter Linux shell

The 1st Universal Cup Stage 12: ̄Ookayama, April 15-16, 2023 Problem A. XOR Tree Path

题意 给定一颗树,对于每个节点有一个颜色(白色或者黑色),对于一个操作:选择一个叶子节点,对于从叶子节点到根节点路径上的所有颜色反转(黑变白,白变黑)。让你求出使用任意次操作后,整个树上黑色节点最多有多少个。 思路对于每个节点在最终状态有两种结果,一个是不变,一个是反转颜色。如果颜色反转,则在这个节 ......
Universal Ookayama Problem April Stage

vue 项目npm run dev(启动)时报错The service was stopped

vue项目yarn upgrade后vite build报错,如何项目也运行不起来了。 报错截图: 解决办法: 删除node_modules文件夹,然后执行yarn install重新生成心的node_modules。 ......
时报 service stopped 项目 vue

A Crash Course on the Depths of Win32™ Structured Exception Handling

January 1997 A Crash Course on the Depths of Win32™ Structured Exception Handling At its heart, Win32 structured exception handling is an operating sy ......
Structured Exception Handling Course Depths

How to use the Raspberry Pi to study the Linux kernel source code All In One

How to use the Raspberry Pi to study the Linux kernel source code All In One 如何利用树莓派来研究 Linux 内核源码 All In One 在 Linux 系统中,一切皆文件! ......
the Raspberry kernel source Linux

node中使用axios时:Error: unable to verify the first certificate 报错

参考 https://www.daozhao.com/10611.html 报错原因: 在使用浏览器访问时,客户端、服务器在握手阶段完成验证。当我们在node中使用axios请求时,客户端没法确认服务端的TLS证书 解决方案 1、局部 const axios = require('axios') c ......
certificate unable verify axios Error

储存数据至mysql数据库时出现 (1064, "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '),'自营店')' at line 1")报错该怎么解决?

在msyql数据库中存储数据时,程序出现了如下报错: 打印存储的数据类型发现数据类型有错误,将数据转为str类型就可以了。。。 解决思路: 在初入数据库学习时,出现这个报错还是有些懵的,于是改了捕获异常,发现存储数据函数有问题。从报错中可以看出是有跟'自营店'类似的数据有关系的,于是,查看了自己的数 ......
数据 syntax 39 quot your