How to use the startup architecture
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Learn the power set of algorithms every day | Power Set
The power set of a set is the set of all its subsets. Write a function, give a set, and generate its power set.
The power set of a set is the set of all its subsets. Write a function that, given a set, generates its power set.
For example, given the set {1, 2, 3}, it should return {{}, {1}, {2}, {3}, {1, 2}, {1, 3}, {2, 3}, {1, 2, 3}}.
# https://tutorialspoint.dev/algorithm/mathematical-algorithms/power-set# python3 program for power set import math; def printPowerSet (set,set_size): # set_size of power set of a set # with set_size n is (2cm n-1) pow_set_size = (int) (math.pow (2, set_size)); counter = 0; j = 0 # Run from counter 000.0 to 111.. 1 for counter in range (0, pow_set_size): for j in range (0, set_size): # Check if jth bit in the # counter is set If set then # print jth element from set if ((counter & (1 0): print (set [j]) End = "") Print (""); # Driver program to test printPowerSet set = ['await,' baked,'c']; printPowerSet (set, 3); # This code is contributed by mits. Learn Golang every day and use GORM and GIN to achieve simple paging in Golang.
Original: Implement Pagination In Golang Using GORM and GIN
The packages you need to install in our project is:
Go get github.com/go-sql-driver/mysqlgo get github.com/gin-gonic/gingo get github.com/jinzhu/gorm
Directory structure
-/ first-api-/ Config-/ Controllers-/ Model-/ Routes-go.mod-go.sum-main.go
The core paging section.
Config.go: DB instance
Repo.go
Import ("first/src/first-api/Config" models "first/src/first-api/Model") func GetAllUsers (user * models.User, pagination * models.Pagination) (* [] models.User Error) {var users [] models.User offset: = (pagination.Page-1) * pagination.Limit queryBuider: = Config.DB.Limit (pagination.Limit) .offset (offset) .order (pagination.Sort) result: = queryBuider.Model (& models.User {}) .Where (user) .Find (& users) if result.Error! = nil {msg: = result.Error return nil Msg} return & users, nil} others are worth reading an overview of startup architecture
Original: Architecture for a startup
Static Front desk (Static web app):
S3 + CloudFront CDN + Route53
Background (Backend production system)
EC2 (auto-scaling group) + AWS ElasticCache + MySQL (RDS) + ALB + Cognito
Analysis (Analytics system)
Metabase + ALB + Cognito
Monitoring (Monitoring)
NewRelic free tier + self-hosted Sentry server
Deployment (deployment)
Jenkins
Terraform is used for infrastructure as code
Ansible is used as configuration management.
My mother is using Arch Linux.
Original: My Mom Uses Arch Linux
This gist covers the whole step-by-step procedure I followed to get it up and running.
Desktop Environment: Cinnamon
Window Manager: Mutter
File Manager: Nemo
Video Player: mpv
Image Viewer: feh
Browser: Firefox
Four best practices for large-scale Vue.js applications
Original: 4 Best Practices for Large Scale Vue.js Projects
Use Vue Slots
F.I.R.S.T principle: Build & share independent components
Bit
Well organized VUEX Store
└── store ├── index.js ├── actions.js ├── mutations.js └── modules
Unit Tests
Jest, Karma, or Mocha
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