cron
validator
cron | validator | |
---|---|---|
19 | 68 | |
12,526 | 15,597 | |
- | 1.3% | |
0.0 | 7.4 | |
21 days ago | 3 days ago | |
Go | Go | |
MIT License | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
cron
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Slack Bot Framework
Features - Supports Slack Apps using Socket Mode - Easy definitions of commands and their input - Built-in help command - Bot responds to mentions and direct messages - Simple parsing of String, Integer, Float and Boolean parameters - Customizable, intuitive and with many examples to follow - Replies can be new messages or in threads - Replies can be ephemeral, scheduled, updated or deleted - Supports Slash Commands and Interactive Messages - Supports context.Context - Supports middlewares & grouping of commands - Supports Cron Jobs using https://github.com/robfig/cron - Handlers run concurrently via goroutines - Full access to the Slack API github.com/slack-go/slack
- Ticker that ticks at specified seconds every minute
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How to run periodic tasks?
You could this https://github.com/robfig/cron
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is there an open library for validating cron job expression?
This will print "Valid cron expression: */20 * * * *" to the console. You can find more information about this library, including installation instructions, on its GitHub page: https://github.com/robfig/cron
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How to do distributed cronjobs with worker queues?
I used robfig/cron on each of the workers. I only had on the order of ~10 workers so polling was not an issue.
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Go Project Source Code Analysis: Schedule Job Library "cron"
There are many excellent open-source projects on GitHub, where the code is transparent and available to everyone. As software developer, we can learn a lot from them including software engineering, unit testing, coding style standardization, etc. We can even find issues by looking into their code, and submit pull requests to contribute to tech communities. Today we are going to dig into the source code of a popular Golang open-source project on GitHub, robfig/cron, which is small and with clear annotations, and is very suitable for new developers to learn how to read and analyze source code.
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Golang in Action: How to quickly implement a minimal task scheduling system
Now let's implement the core of task scheduler, cron job. We will be using robfig/cron, a reputable cron library written in Go.
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Clean Cronjob Api
# Hello Everyone! Ive built this cronjob library after the trusted: https://github.com/robfig/cron.
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Best task runner/cronjob library
I suggest this library.
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Need suggestions for Asynchronous actions in go
You can take inspiration on cron lib, create a Job i's a function that you give a channel for quit action, and a probably cancel function (from background.WithCancel) for cancel running asynchronous task. You can have a scheduling worker if you decouple a great task to multiple job that listen to a channel that emit event.
validator
- API completa em Golang - Parte 7
- API completa em Golang - Parte 3
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Is there any equivalent to pydantic, serde, etc?
go-playground/validator
- API completa em Golang - Parte 1
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API validation in Gin: Ensuring Data Integrity in Your API
If you want to know all the available validation in Gin. Then you can look at this package because Gin uses this package under the hood. Package: https://github.com/go-playground/validator Specific-file: https://github.com/go-playground/validator/blob/master/baked_in.go#L73
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Yet another validator 0.9.5
Now it has most of the Playground validator's common checks and a few own tricks.
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Openapi server generation
In Go I've found this package - https://github.com/go-playground/validator. It seems popular in the community, but it is tag-based. It looks like if I wanted to use it - I would have to basically duplicate structs.
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Validator in handler or domain
so I am working on a ecommerce api as a hobby project which is mostly inspired by wtf dial project I like to use validator package to remove boilerplate over my domain package for example take a look https://github.com/mortezadadgar/ecommerce-api/blob/b0bf43d042d62fdca1c2d097ec51b05bc539cef2/domain/users.go#L33 I have to option either add validate.Struct() to my domain which is suggested to avoid by author of wtf peoject or add it to handler which I doubt is a good idea as it's not in business logic of handler and makes unit testing harder
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Request Validations in Go REST API
I use https://github.com/go-playground/validator, but honestly, I am not a fan. I just haven’t found anything better.
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Tools besides Go for a newbie
IDE: use whatever make you productive. I personally use vscode. VCS: git, as golang communities use github heavily as base for many libraries. AFAIK Linter: use staticcheck for linting as it looks like mostly used linting tool in go, supported by many also. In Vscode it will be recommended once you install go plugin. Libraries/Framework: actually the standard libraries already included many things you need, decent enough for your day-to-day development cycles(e.g. `net/http`). But here are things for extra: - Struct fields validator: validator - Http server lib: chi router , httprouter , fasthttp (for non standard http implementations, but fast) - Web Framework: echo , gin , fiber , beego , etc - Http client lib: most already covered by stdlib(net/http), so you rarely need extra lib for this, but if you really need some are: resty - CLI: cobra - Config: godotenv , viper - DB Drivers: sqlx , postgre , sqlite , mysql - nosql: redis , mongodb , elasticsearch - ORM: gorm , entgo , sqlc(codegen) - JS Transpiler: gopherjs - GUI: fyne - grpc: grpc - logging: zerolog - test: testify , gomock , dockertest - and many others you can find here
What are some alternatives?
gocron - Easy and fluent Go cron scheduling. This is a fork from https://github.com/jasonlvhit/gocron
ozzo-validation - An idiomatic Go (golang) validation package. Supports configurable and extensible validation rules (validators) using normal language constructs instead of error-prone struct tags.
gocron - A Golang Job Scheduling Package.
govalidator - [Go] Package of validators and sanitizers for strings, numerics, slices and structs
chrono - Chrono is a scheduler library that lets you run your task and code periodically
grpc-go - The Go language implementation of gRPC. HTTP/2 based RPC
cadence - Cadence is a distributed, scalable, durable, and highly available orchestration engine to execute asynchronous long-running business logic in a scalable and resilient way.
viper - Go configuration with fangs
gronx - Lightweight, fast and dependency-free Cron expression parser (due checker, next/prev due date finder), task runner, job scheduler and/or daemon for Golang (tested on v1.13+) and standalone usage. If you are bold, use it to replace crontab entirely.
uuid - Go package for UUIDs based on RFC 4122 and DCE 1.1: Authentication and Security Services.
machinery - Machinery is an asynchronous task queue/job queue based on distributed message passing.
fiber-swagger - fiber middleware to automatically generate RESTful API documentation with Swagger 2.0.