Programmer Group

1. Pytest cov (unit test coverage) When doing unit testing, we usually refer to code coverage to measure the quality of code. The pytest cov plug-in can be used to count the unit test coverage. 1.1 installation Run the following command from the command line to install: pip install pytest-cov Or (using the domestic Douban source, the data wil ...

(1) First, let's talk about how Unity calls page methods. First, create a Plugins folder in the Asset directory of the project, and then create a. txt file in the folder. The name doesn't matter. After creation, change the extension to. jslib. The file shall contain the following contents: mergeInto(LibraryManager.library, { Hello: functio ...

1 what is circular dependency? As shown in the figure below: BeanA class depends on BeanB class, and BeanB class depends on BeanA class. This dependency forms a closed loop, which we call circular dependency. Similarly, see the following figure: In the above figure, BeanA class depends on BeanB class, BeanB class depends on BeanC class, and B ...

hadoop startup error ERROR: Cannot set priority of datanode process The cluster was not formatted ./bin/hdfs namenode -format Modify yarn default port After that, it needs to be restarted because it is not hot database Error reporting 1045 [root@test ~]# systemctl stop mariadb ##Close mysql [root@test ~]# mysqld_safe --skip-grant-tables ...

Exploratory analysis of data Exploration of data characteristics Data exploratory analysis needs to be seen from two aspects: Field vs label Field vs field Data distribution analysis It may be because the distribution of training set and verification set is different, such as the opposite trend of local and online score transformation. A class ...

In the past work, we have built a technical platform using microservices, containerization and service choreography. In order to improve the R & D efficiency of the development team, we also provide a CICD platform to quickly deploy the code to the Openshift (enterprise class Kubernetes) cluster. The first step of deployment is the contain ...

Some understanding of compiled code ARM Cortex-M underlying technology -- principle and application of compiling kernel Reference website: https://www.cnblogs.com/39950436-myqq/p/11545140.html 1. Definition of compilation link No matter how simple the code we write, we must go through the process of "compiling -- > linking" to g ...

install Download: http://maven.apache.org/download.cgi Generally, zip: After downloading, select a path to unzip (unzip to a non Chinese file directory) Enter environment variable I don't know how to enter. Refer to my Java installation blog Add maven path to path cmd validation, enter mvn -version Configure local and private warehouses ...

1, Overview of micro front end one    What is a micro front end? In order to solve the limitations of change and expansion caused by a large piece of back-end services, micro service architecture has emerged. However, the more and more important front-end engineering is also facing the same problem. It is natural to think of applying ...

Refer to this big brother's blog, https://blog.csdn.net/qq_37598011/article/details/93489404 Here are my notes according to the blog 3.2 installing and configuring mysql 5.7 for Linux   3.2.1. Download Download: https://dev.mysql.com/downloads/mysql/5.7.html#downloads         3.2.2. Upload to Linux server Put it under the / myapp directory ...