all one in
CF1905E One-X
map<ll, pll> mp; pll calc(ll n) { if(mp.find(n) != mp.end()) return mp[n]; auto [lk, lb] = calc((n + 1) / 2); auto [rk, rb] = calc(n / 2); ll t = (q_p ......
promise.all理解
1、promise.all promise.all([p1, p2, p3]).then(res=>{ 1、当p1 ， p2， p3 全都是reslove状态，执行到此 }).catch(e=>{ 1、当入参【】里面的promise没有定义catch且reject了，执行到此 }).finally( ......
数据库内核那些事｜细说PolarDB优化器查询变换：IN-List变换
导读 数据库的查询优化器是整个系统的"大脑"，一条SQL语句执行是否高效在不同的优化决策下可能会产生几个数量级的性能差异，因此优化器也是数据库系统中最为核心的组件和竞争力之一。阿里云瑶池旗下的云原生数据库PolarDB MySQL版作为领先的云原生数据库，希望能够应对广泛用户场景、承接各类用户负载， ......
gsamplerCubeArrayShadow isn't supported in textureGrad, textureLod or texture with bias
问题描述 跑rust的Bevy示例程序 运行3d的示例，cargo run --example 3d_shapes 发现报错： INFO bevy_render::renderer: AdapterInfo { name: "Mesa Intel(R) Graphics (ADL GT2)", ve ......
computer graphics in matlab
Introducing Fundamentals of Computer Graphics Using MATLAB Galvez_Iglesias_Gutierrez.pdf Computer Graphics Environment in Matlab: https://animadversio ......
富文本编辑器wangEdiotr，编辑表格后，重新打开组件报错Error in callback for watcher “value“: “Error: Cannot find a descenda（json爆红）
报错内容 原因：每次打开对话框，editor组件只创一次，关闭对话框也不会被销毁。所以：只要每次打开都重新渲染Editor组件就好了。 解决办法：在上加上v-if <editor v-model="form.noticeContent" :min-height="192" v-if="open"/> ......
scrapy爬取图片时遇到错误：ValueError: Missing scheme in request url: //scpic3.chinaz.net/Files/pic/pic9/202103
错误原因是在请求资源的时候没有使用完整的url只向//scpic3.chinaz.net/Files/pic/pic9/202103发送了资源请求，而完整的资源地址需要前面加上https:所以在pipelines.py文件的get_media_requests方法中，在发送request请求时修改为 ......
mysql报错java.sql.SQLException: The server time zone value 'Öйú±ê׼ʱ¼ä' is unrecognized or represents more than one time zone.
-- 服务器时区值“Öйú±ê׼ʱ¼ä”无法识别或表示多个时区。 The server time zone value 'Öйú±ê׼ʱ¼ä' is unrecognized or represents more than one time zone. --查看数据库时区 show va ......
【MySQL优化】小表驱动大表 IN和EXISTS的合理利用
//假设一个for循环 for($i = 0; $i < 10000; $i++) { for ($j = 0; $i < 50; $j++) { } } // 更优 for($i = 0; $i < 50; $i++) { for ($j = 0; $i < 10000; $j++) { } } ......
SciTech-BigDataAIML-Tensorflow-Introduction to modules, layers, and models
Introduction to modules, layers, and models Model: To do machine learning in TensorFlow, you are likely to need to define, save, and restore a model. ......
SciTech-BigDataAIML-Tensorflow-Introduction to graphs and tf.function
Graphs are data structures that contain: a set of tf.Operation objects, which representing units of computation; and tf.Tensor objects, which represen ......
如何在无窗口模式下运行GPG——如何在命令行模式下使用gpg生成秘钥：How to make gpg prompt for passphrase on CLI——GPG prompt for password in command line
参考： Unable to generate a key with GnuPG (agent_genkey failed: No such file or directory) ["No such file or directory" when generating a gpg key](https ......
SciTech-BigDataAIML-Tensorflow-Introduction to Gradients and Automatic Differentiation
In this guide, you will explore ways to compute gradients with TensorFlow, especially in eager execution. Automatic Differentiation and Gradients Auto ......
SciTech-BigDataAIML-Tensorflow-Introduction to Tensors
https://tensorflow.google.cn/guide/tensor Introduction to Tensors Tensors are multi-dimensional arrays with a uniform type (called a dtype). tf.dtypes ......
利用强化学习算法解释人类脑对高维状态的抽象表示：how humans can map high-dimensional sensory inputs in actions
论文： 《Using deep reinforcement learning to reveal how the brain encodes abstract state-space representations in high-dimensional environments》 地址： http ......
appium报错DeprecationWarning: desired_capabilities argument is deprecated and will be removed in future versions. Use options instead.
不再用desired_capabilities，用options代替 原来的 desired_caps = { "platformName": "ios", "platformVersion": "11.4", "deviceName": "iPhone 6 Plus", "noReset": Tr ......
上海 110 报警后，警察出警时间规定 All In One
上海 110 报警后，警察出警时间规定 All In One
公安部《110报警服务工作规范化标准》
处警人员在接到处警指令后要做到快速反应。 凡危及公民人身、财产安全的重大、紧急报警、求助，在市区，必须5分钟内到达现场；在郊区，必须10分钟内到达现场。
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Applied Statistics - 应用统计学习 - numpy array交换两行 ？ How to Swap Two Rows in a NumPy Array (With Example)
https://www.statology.org/qualitative-vs-quantitative-variables/ https://www.statology.org/numpy-swap-rows/ How to Swap Two Rows in a NumPy Array (Wit ......
多组学数据整合 | Multifaceted SOX2-chromatin interaction underpins pluripotency progression in early embryos
最近这篇Science文章不错，Multifaceted SOX2-chromatin interaction underpins pluripotency progression in early embryos - 15 December 2023 需要复刻里面的一些思路、解法和可视化。 复刻【 ......
BigDataAIML-Kaggle-How to Calculate Principal Component Analysis (PCA) from Scratch in Python
How to Calculate Principal Component Analysis (PCA) from Scratch in Python https://www.kaggle.com/code/aurbcd/pca-using-numpy-from-scratch PCA using N ......
【HBase】:Could not start ZK with 3 ZK servers in local mode deployment.
Could not start ZK with 3 ZK servers in local mode deployment. Aborting as clients (e.g. shell) will not be able to find this ZK quorum. 控制台报错： 这个错误表明 ......
Only the invariant culture is supported in globalization-invariant mode. See https://aka.ms/GlobalizationInvariantMode for more information
错误信息：全球化不变模式只支持不变文化。看见https://aka.ms/GlobalizationInvariantMode了解更多信息 修改引用配置即可：<InvariantGlobalization>true</InvariantGlobalization> 改为false Only the ......
使用idea执行testng单元测试时，控制台报 no tests found in the class xxx 异常
我遇到的情况是，使用idea在一个测试类中进行测试的时候，前一个单元测试用例还正常执行，到下一个就报了no test found in the class xxx 原因暂时未知，但目前来看是idea的问题，可以尝试点击File->Invalidate Caches...然后在弹窗点击Invalida ......
.in'ig.status: error: cannot find input file: `
交叉编译 libaac 库，源码下载地址 https://sourceforge.net/projects/faac/ 解压 unzip faac-1.28.zip cd faac-1.28.zip 执行./bootstrap 时出现如下错误 # ./bootstrap -bash: ./boots ......
Research in Computational Molecular Biology : 18th Annual International Conference, RECOMB 2014, Pittsburgh, PA, USA, April 2-5, 2014, Proceedings | Clc
Research in Computational Molecular Biology : 18th Annual International Conference, RECOMB 2014, Pittsburgh, PA, USA, April 2-5, 2014, Proceedings | C ......
cocoaPod 执行 pod install 时出现警告：The `XX [Release]` target overrides the `CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES` build setting defined in `xcconfig'.
最近执行 Pod install 安装命令时，控制台输出警告信息： [!] The `XXX [Debug]` target overrides the `CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES` build setting def ......
APaaS 企业级低代码平台 All In One
APaaS 企业级低代码平台 All In One
Application Platform as a Service / 应用程序平台即服务
PaaS
Platform as a Service / 平台即服务
FaaS
Function as a Service / 函数即服务
ServerL... ......
Shell - Input and run multiple lines in terminal
zzh@ZZHPC:/zdata/Github/zimplebank$ ( > ls -1 db/migration/*.up.sql | while read file > do > echo $file > done > ) db/migration/000000_init_schema.up. ......
D - Money in Hand
有点像完全背包，但也不是因为有数量的限制，是01背包的变式，每个硬币选与不选，最后看看能不能达到x。 #include<bits/stdc++.h> using namespace std; int t[100],w[100],dp[10005]; int main(){ int n,m; cin> ......
E1097 未知特性 “no_init_all“(转)
在我使用最新（2019.5.12）的VS2019（版本号16.0.3）时，编译器弹出了如标题所示错误，找不到"no_init_all"的attribute。错误源头在winnt.h这一系统头文件中。经过比对，找到了位于Microsoft Visual Studio Developer Communi ......