python foundation generator

generator Concept: whenever a yield is defined inside a function, when calling a function, the function body code will not execute and will return a result, which is a generator. Essentially an iterator, a custom iterator. # How to get iterators in python def iter_func(): list1 = [1, 2, 3, 8, 4] # Get an iterator iter_list = list1 ...

Posted on Thu, 14 Nov 2019 09:08:57 -0500 by rish1103

Implement call, apply and bind

Before An article Write the difference of these three parameters, but in fact, interview is more often to see how to achieve. In fact, how to implement the polyfill of all native functions only needs to consider four points: basic function prototype this Return value call Basic functions of call: The call() method calls a function with a s ...

Posted on Thu, 14 Nov 2019 08:42:01 -0500 by cybercookie72

Performance comparison of five common Bean mapping tools

This article is translated by JavaGuide from https://www.baeldung.com/java-performance-mapping-frameworks . For reprint, please indicate the original address and the translator. 1. introduction To create a large Java application with multiple layers, you need to use multiple domain models, such as persistence model, domain model, or so-calle ...

Posted on Thu, 14 Nov 2019 07:52:31 -0500 by Ludo Lambrechts

YUM warehouse service and PXE network installation of Centos7

Bowen catalogueI. YUM software warehouseII. Type of YUM sourceIII. precautions for configuration of PXE automatic bulk chemical installation machineIV. deploy PXE remote installation service I. YUM software warehouse With the help of YUM software warehouse, the tasks of installing, uninstalling and upgrading rpm software packages can be comp ...

Posted on Thu, 14 Nov 2019 07:10:52 -0500 by genetheblue

Portworx demonstration: migrating stateful applications and data between K8S clusters

More and more enterprises choose Kubernetes as their infrastructure, which can help us shorten the time to market of software projects, reduce the cost of infrastructure, and improve the quality of software. Because Kubernetes is relatively new, IT teams are learning how to run and maintain applications on Kubernetes in a production environment ...

Posted on Thu, 14 Nov 2019 05:53:16 -0500 by dickd

Usage of Python process pool multiprocessing.Pool

I. multiprocessing module The multiprocessing module provides a Process class to represent a Process object. The multiprocessing module manages processes like threads. This is the core of multiprocessing. It is very similar to threading, and the utilization of multi-core CPU is much better than threading Take a look at the construction method ...

Posted on Thu, 14 Nov 2019 05:45:59 -0500 by New Coder

Java SPI mechanism of component framework design

Document 11 / 12 has been completely updated! [Alibaba P7] advanced course for mobile Internet architects + BAT interview questions, click the following link to collect:[Alibaba P7] advanced course for mobile Internet architect + BAT interview questionThis article will introduce the design of component-based framework from the deep understandin ...

Posted on Thu, 14 Nov 2019 04:38:24 -0500 by goleztrol

LNMP+Redis Architecture Deployment

Working mechanism The L (Linux) N (Nginx) M (Mysql) P (PHP) architecture must be known to all that the main purpose of the LNMP architecture is to connect front-end services to back-end storage and one of the back-end services to achieve dynamic requests for PHP programs. Today we add a Redis program to the LNMP architecture, which plays a da ...

Posted on Thu, 14 Nov 2019 02:45:16 -0500 by Clinger

Detailed description of Nginx static and dynamic separation in Linux system

Introduction of Nginx Dynamic and Static Separation Nginx has a strong static processing capability but insufficient dynamic processing capability. Therefore, dynamic and static separation technology is commonly used in enterprises. Dynamic and Static Separation for PHP Give static pages to Nginx Dynamic pages are handled by PHP-FPM modules ...

Posted on Thu, 14 Nov 2019 02:31:38 -0500 by ureck

Samba service configuration details (anonymous, identity, alias, access control, mount access)

Samba Service Configuration Details Samba is a free software that implements the SMB protocol on Linux and UNIX systems and consists of server and client programs.SMB(Server Messages Block) is a communication protocol for sharing files and printers on a local area network. It provides file and printer sharing services between different compu ...

Posted on Thu, 14 Nov 2019 02:25:28 -0500 by vent