Programmer Group

Fabric's official website: http://www.fabfile.org Help documents: https://fabric-chs.readthedocs.io/zh_CN/chs/tutorial.html Fabric installation yum install -y make gcc gcc++ python-devel python-pip $ pip install fabric==1.14.0 //perhaps $ pip3 install fabric2 (No, fabric.api Module) Verify installation python >>> import fabric //pe ...

Title Link: http://acm.hdu.edu.cn/showproblem.php?pid=1203 Title: With $n in hand, there are m colleges and universities with a chance of admission. The application fee is a and the admission probability is b. Let's find the maximum probability of getting at least one offer. Explanation: To find ...

Technology stack: canvas JSZIP.js (the JSZIP Library of the compression and decompression plug-in on the web page side) Filesaver.js (file saved to local library) Direct interpretation of source code: <div class="cont"> <div class="uploadBtn">Select pictures<input name="file" accept="image/png, image/jpeg" multipl ...

Driving module redis Module is used to drive Redis database in Python environment Can be installed directly in pip mode pip install redis Or download domestic image: pip install -i https://pypi.tuna.tsinghua.edu.cn/simple some-package Create connection import redis con = redis.Redis( host="localhost", port="6379", password="12345 ...

Change thinking comes from daily work, so remember this experience.   Thinking: how to quickly change the internal attribute value of each item in the list and perform other fluid operations? Here's a test: how to get the object in the list according to the minimum value of a property   1: create any new test bean:   1 package com.dev ...

The main implementation of calling the parent component method by the subcomponent is that the parent component passes a method to the child component, and then calls the parent method in the sub component to modify the parent parameter. Take a look at the renderings Parent component implementation Write a method of "editParentText&quo ...

Bipartite graph: the vertices in the graph can be divided into two sets, and the elements in the set are independent.   Judgment: there are at least two vertices. If there are loops, the length must be even. Dye method judgment: Dye x (- 1 or 1) from a point, traverse all its adjacent nodes, if not, dye - x, otherwise judge the point color, ...

Recently, I found a large number of network login failure records (event ID is 4625) in the Windows security log (win10 ﹤ 64 bit), and a large number of Internet IP attempts to log in to my computer in the background. I feel that the company's network is no longer safe, so I can only try my best to protect my computer. Try operation 1: disabl ...

Next, we will configure the route of the city selection page. Add city.vue, click on the city, and then jump to the city page //router.js import Vue from 'vue' import Router from 'vue-router' import Home from '@/pages/home/Home' import City from '@/pages/city/City' Vue.use(Router) // Export a set of routing configuration items export default n ...

Foundation of Docker Technology: Namespace, the basis of container isolation, to ensure that container A cannot see container B. 6 namespace: User,Mnt,Network,UTS,IPC,Pid cgroups, container resource statistics and isolation. cgroups: cpu,blkio,device,freezer,memory unionfs, typical: aufs/overlayfs, the foundation of layered image implementat ...