Dense Matrix 8 - resharp & slicing slices for introducing Eigen

brief introduction Eigen does not yet provide resharp or slicing handlers, but you can use Map classes to do so. Implement resharp Operate Resharp and modify the dimension size of Matrix while keeping its coefficients constant.When Resharp, an object should be returned, leaving the original object u ...

Posted by andy75180 on Sun, 23 Feb 2020 17:17:39 -0800

Turn your Archlinux into a router

I got back an industrial control board with J2900 double Gigabit ports (odd model) for soft routing, but I wanted to use all kinds of skins, install a desktop environment with VNC, and I didn't have a cold on the virtual machine (and this U doesn't support through yet), so I had to give up all the router systems.As an Arch iron powder, in purs ...

Posted by vikaspa on Sun, 23 Feb 2020 08:31:13 -0800

Interpretation of matplotlib in vernacular - line chart

Interpretation of matplotlib in vernacular - line chart previously on Interpretation of matplotlib in vernacular - general function and histogram,Interpretation of matplotlib in vernacular - histogram,Colloquial interpretation of matplotlib usage - adding data to columns Hello, this is W In the fi ...

Posted by matt2012 on Sun, 23 Feb 2020 03:49:09 -0800

An article on the beauty of DirectX 12

DirectX 12 is Microsoft's latest graphics API library, which is only supported on Win10 system (if it is not Win10, it must be upgraded to Win10). My biggest feeling about this API is that it is particularly complex, because it exposes many underlying methods. Even though I have learned DX9, I still ...

Posted by javiqq on Sun, 23 Feb 2020 03:47:31 -0800

docker-03.docker container management

1. Details of docker common commands 1.1 docker info Containers: 3 Number of containers Running: 2 Number of containers running Paused: 0 Suspended docker Number Stopped: 1 Stopped docker Number Images: 15 Mirror number Server Version: 17.03.3-ce docker Edition Storage Driver: overlay Storage drive ...

Posted by adslworld.net on Sun, 23 Feb 2020 03:48:41 -0800

Java multithreading - ReentrantReadWriteLock

1. Introduction to read-write lock There is such a scenario in reality: there are read and write operations on shared resources, and write operations are not as frequent as read operations. When there is no write operation, there is no problem for multiple threads to read a resource at the same tim ...

Posted by underparnv on Sun, 23 Feb 2020 03:04:35 -0800

Auto configuration data source of Springboot2.x

DataSourceAutoConfiguration @Configuration(proxyBeanMethods = false) @ConditionalOnClass({ DataSource.class, EmbeddedDatabaseType.class }) @EnableConfigurationProperties(DataSourceProperties.class) @Import({ DataSourcePoolMetadataProvidersConfiguration.class, DataSourceInitializationConfiguration.clas ...

Posted by jrobles on Sun, 23 Feb 2020 03:04:52 -0800

Interface encapsulation and calling method of C + + using pure virtual function

Interface encapsulation and calling method of C + + using pure virtual function Affected by the epidemic, our research dog has been providing for the aged at home recently. However, the project in the laboratory suddenly came down, and we had no choice but to work in the cloud. The task given is to en ...

Posted by searain on Sun, 23 Feb 2020 02:52:28 -0800

Leetcode 698. Divided into k equal subsets

1. Title Description Given an integer array nums and a positive integer k, find out whether it is possible to divide the array into k non empty subsets, the sum of which is equal. Example 1: Input: nums = [4, 3, 2, 3, 5, 2, 1], k = 4 Output: True Note: it is possible to divide it into four subset ...

Posted by bad_gui on Sun, 23 Feb 2020 02:33:41 -0800

MySQL master slave -- data verification

Article directory 4. PT table checksum to verify master-slave data 4.0 references and installation 4.1. Pt table checksum verification principle 4.2 notes and common parameters 4.2.1 precautions 4.2.2 description of common parameters 4.3 best practices 4.4 troubleshooting of common problems 4.4.1, ...

Posted by paran0id Dan on Sun, 23 Feb 2020 02:12:25 -0800