Centos 7.6 installs selenium+firefox+google chrome (supports xshell operation)

1. View Linux version [root@penguin selenium]# cat /etc/redhat-release CentOS Linux release 7.6.1810 (Core)    2. Install selenium 2.1 install selenium through pip, and install PIP first: [root@penguin selenium]#yum -y install epel-release [root@penguin selenium]#yum -y install python-pip 2.2 if prompted for pip update, exe ...

Posted on Tue, 19 Nov 2019 12:20:21 -0500 by Tremour

Implementation principle of movie recommendation system and download of Python source code

In this tutorial, we will implement a recommendation system based on the similarity of movie content itself. We will use natural language processing/ NLP Technology to extract the features of each movie, then establish cosine similarity matrix between different movies, and finally use the similarity matrix to recommend the 10 most similar movie ...

Posted on Mon, 18 Nov 2019 04:41:27 -0500 by westair

Two or three things about Android desktop corner sign

The majority of our users are very familiar with the notification message bar and desktop corner sign. Google Android joined in after 8.0, but some domestic manufacturers have tried earlier. Today, we are trying desktop corner sign simply; HUAWEI manufacturers Huawei is the clearest and easiest to handle the compatible processing of desktop cor ...

Posted on Mon, 18 Nov 2019 04:31:55 -0500 by daydie2008

python uses xlwt module to operate Excel

Part of it is from the official website The module is easy to install $ pip install xlwt Let's start with a simple example: #!/usr/bin/python #coding=utf-8 # ============================================================================== # # Filename: demo.py # Description: excel operat # Created: Tue Apr 25 1 ...

Posted on Sun, 17 Nov 2019 17:31:30 -0500 by cmack

FileStream related knowledge sharing

1. How to Understand FIleStream Through the first three chapters, I believe you already know something about Stream, but how do you understand FileStream?Look at the following picture:   Every file on our disk is made up of a binary array. The most intuitive is Notepad. When we create a new Notepad, it will be 0KB in size. Each time we ent ...

Posted on Fri, 15 Nov 2019 19:52:05 -0500 by gorskyLTD

Programming of proto file in ProtocolBuf and its java application

Zero version Protocol Buf version: 3.10.0 1 Introduction to protocol buf Protocol Buf is a serial communication protocol produced by Google, which is famous for its high efficiency and cross platform. At the same time, the understanding is also very obscure, and the Chinese documents are not complete, and the compatibility between different ver ...

Posted on Fri, 15 Nov 2019 13:32:52 -0500 by razta

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

How to use super easy refreshlayout

Super easy refresh layout is a powerful and easy-to-use pull-down refresh control. It is implemented by referring to the principle of swipe refresh layout provided by Google Super easy refresh layout is a container in nature. You can put the sliding view into the container to realize pull-down refresh and pull-up loading more fu ...

Posted on Wed, 13 Nov 2019 14:05:00 -0500 by Pethlehemm

The pit of java image compression

The pit of java image compression Use Google compression tool thumbnail to support image zooming, region clipping, watermark, rotation, etc., and make your own research <!-- Picture compression --> <dependency> <groupId>net.coobird</groupId> <artifac ...

Posted on Wed, 13 Nov 2019 10:19:34 -0500 by yuraupt

Memory crash? In fact, you just need to change the way

Using the Set set Set provided by JDK for URL de duplication seems to work well, but there is a fatal flaw in this approach. As the number of URLs collected increases, you need more and more memory, which will eventually cause your memory to crash. Do we have a solution without using the database? Bloon filter! It can solve this problem perfec ...

Posted on Wed, 13 Nov 2019 06:13:29 -0500 by ScOrPi