JonnyBurger

                                                                                                                                                            
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matthewhegarty

Performance improvements for bulk import

I implemented for my own use case - not fully tested - use at your own risk

This is how I improved performance of django-import-export when importing a large set of new rows.

• Thinkpad T470 i5 processor (Ubuntu 18.04)
• 20,000 new rows to be inserted
• total import duration 5.4 seconds

hakib

# https://hakibenita.com/how-to-turn-django-admin-into-a-lightweight-dashboard

from django.contrib import admin
from django.db.models import Count, Sum, Min, Max, DateTimeField
from django.db.models.functions import Trunc

from . import models


def get_next_in_date_hierarchy(request, date_hierarchy):

adam-arold

@SpringBootApplication
class Application

fun main(args: Array<String>) {
    SpringApplication.run(Application::class.java, *args)
}

data class Greeting(val id: Long, val content: String)

@RestController

manjula-dube

This is a proposal for ReactiveConf 2017 open call for Lightning talks. If you'd like to make this talk happen, please 🌟 this gist and retweet my tweet. 🙏

If you're on your phone, please request the 🖥 desktop site to star this gist 😇

I would talk about some myths on Jest & Enzyme. Moreover to stop the comparison of Jest and Enzyme. Instead would focus on how they can work together to test well your React Components. The talk would focus on "How Jest and Enzyme complement each other" and can help you test React components in a better way.

1. If you are writing tests: you are already winning.
2. If you are not writing tests:let me encourage you to start.
3. Jest.
4. Snapshot Testing.

svcavallar

package main

import (
  "flag"
  "github.com/streadway/amqp"
  "log"
  "time"
)

var amqpUri = flag.String("r", "amqp://guest:guest@127.0.0.1/", "RabbitMQ URI")

ankurk91

Mac OS : Show your git branch name on your bash terminal

⚠️ Does not work in zsh terminal

Add these lines in your ~/.bash_profile file

# Show current git branch name
parse_git_branch() {
     git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}

sosedoff

package main

import (
  "fmt"
  "reflect"
)

// Name of the struct tag used in examples
const tagName = "validate"

tute

A top-down look into Elixir (for Rubyists)

• Phoenix (as "Rails for Elixir")
  • Rails and Phoenix can get suspiciously similar
  • A code sample:
• controller.rb

vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?