Introduction and use of ZeroMQ

What I wrote last time Introduction and use of ZeroMQ (1) Pipeline pattern PipeLine mode is used for task allocation, usually in multi-level PipeLine, one or several nodes push the work to many workers, and then push the results to one or several collectors in turn. This pattern is reliable in most cases, because it does not drop messages un ...

Posted by |Adam| on Thu, 26 Mar 2020 02:15:09 -0700

Wechat service number silent authorization calling procedure record

Wechat silent authorization process related problem process record Related tools Intranet penetration tool Peanut hull There is free 1G traffic per month, but I need to hold my ID card to take photos and upload. It's too troublesome to use. natapp Easy to use, you need to scan the real name with Alipay. other... Other friends also ...

Posted by farkewie on Wed, 25 Mar 2020 21:04:12 -0700

openstack learning notes II: basic environment construction

1. Environmental information:Three CentOS 7.6 virtual machines are built by using VMware Workstation in this environmentNode architecture: 1 controller node, 1 compute node, 1 cinder block storage node.The hardware configuration information is as follows: Node name ----------- CPU ----- memory ----- operating system ----- disk controller node ...

Posted by chuckym7 on Wed, 25 Mar 2020 20:29:59 -0700

One click online installation of redis database by shell script (implemented by function)

The previous article gives the process of manual compilation and installation of redis, and gives the process of online installation of redis when simulating the establishment of redis cluster, so I want to write a redis script for online installation. In this paper, I mainly use shell functions to realize and verify the process of online ins ...

Posted by m!tCh on Wed, 25 Mar 2020 07:48:09 -0700

linux Getting Started Series 18--Apache Service 2 for Web Services

In the next article, after learning about Apache's basic configuration and SELinux, continue demonstrating the virtual host capabilities and access control methods provided by Apache. If you haven't looked at the last suggestion, look at it first and come back later, last article " linux Getting Started Series 18--apache service 1 for Web ...

Posted by WarDeities on Tue, 24 Mar 2020 20:03:51 -0700

Cassandra best practice configuration

In this article, we mainly introduce the related configurations of Cassandra. I will introduce the related configurations of Cassandra according to the horizontal dimension of cluster and node. I may not list some configurations here. Please refer to the detailed introduction in cassandra.yaml. How to configure Cassandra needs to be in the C un ...

Posted by mysqlnewjack on Mon, 23 Mar 2020 09:13:20 -0700

images installation and init operation during k8s installation in kubadm mode

When using kubeadm to install k8s, there is a step to download images. Generally, many methods are used: use docker images to download the image name and tag the image name again, and then configure the cluster sub ip information during initialization As follows:         1.Set up kubelet Domestic pause image         cat >/etc/sysconfig/kube ...

Posted by porta325 on Mon, 23 Mar 2020 08:21:10 -0700

Do you really change your status?

In enterprise applications, there are too many scenarios involving modifying state. For example, after an enterprise enters the network, it needs to check its qualification. After the individual receives the task, the enterprise administrator shall review the receiver. In the application management system, usually as shown in the figure below, ...

Posted by Pastulio on Mon, 23 Mar 2020 06:45:23 -0700

[NLP] Text Classification and Generalization (rnn, cnn, word2vec, TfidfVectorizer)

1. Emotional Analysis of Chinese Comments (keras+rnn) 1.1 Required Libraries 1.2 Pre-training Word Vector 1.3 Word Vector Model 1.4 Training corpus (dataset) 1.5 participle and tokenize 1.6 Index Length Standardization 1.7 Reverse tokenize 1.8 Building an embedding matrix 1.9 padding and truncatin ...

Posted by d3vilr3d on Sun, 22 Mar 2020 19:07:16 -0700

LeetCode 945. Make the array the only minimum increment

My LeetCode brush Title source [GitHub]: https://github.com/izhoujie/Algorithmcii LeetCode 945. Make the array the only minimum increment subject Given an array of integers A, any A[i] is selected and incremented by 1 for each move operation. Returns the minimum number of operations that make each value in A unique. Example 1: Input: [1,2,2] ...

Posted by tomato on Sun, 22 Mar 2020 10:52:55 -0700