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@PJUllrich
PJUllrich / big-o.md
Last active June 28, 2024 20:25
Big-O Time Complexities for Elixir Data Structures

Big-O Time Complexities for Elixir data structures

Map [1]

Operation Time Complexity
Access O(log n)
Search O(log n)
Insertion O(n) for <= 32 elements, O(log n) for > 32 elements [2]
Deletion O(n) for <= 32 elements, O(log n) for > 32 elements
@mubix
mubix / nosuchuser.html
Created July 12, 2019 23:47
No Such User - Spam Deterrent
<html>
<head>
<style>
* {
font-family:Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;
}
</style>
</head>
<body>
<table cellpadding="0" cellspacing="0" class="email-wrapper" style="padding-top:32px;background-color:#ffffff;"><tbody>
@marcelkalveram
marcelkalveram / React Native clear all
Created June 4, 2019 10:34
watchman watch-del-all && rm -rf $TMPDIR/react-* && rm -rf $TMPDIR/npm-* && rm -rf $TMPDIR/haste-* && rm -rf $TMPDIR/metro-* && rm -rf node_modules && npm install && rm -rf ios/Pods && cd ios && pod cache clean --all && pod repo update && pod install && ./android/gradlew clean -p ./android/ && rm -rf ios/build && rm -rf ~/Library/Developer/Xcode/DerivedData && npm start -- --reset-cache
@levidyrek
levidyrek / django_orm_optimization_cheat_sheet.py
Last active April 16, 2024 17:50
"""
Django ORM Optimization Tips
Caveats:
* Only use optimizations that obfuscate the code if you need to.
* Not all of these tips are hard and fast rules.
* Use your judgement to determine what improvements are appropriate for your code.
"""
# ---------------------------------------------------------------------------
@posilva
posilva / context.ex
Created March 31, 2018 23:07 — forked from ericstumper/context.ex
Guardian Authentication with Absinthe GraphQL in Elixir
defmodule Languafy.Web.Context do
@behaviour Plug
import Plug.Conn
alias Languafy.User
def init(opts), do: opts
def call(conn, _) do
case build_context(conn) do
{:ok, context} ->
@gbaman
gbaman / graphql_example.py
Created November 1, 2017 00:18
An example on using the Github GraphQL API with Python 3
# An example to get the remaining rate limit using the Github GraphQL API.
import requests
headers = {"Authorization": "Bearer YOUR API KEY"}
def run_query(query): # A simple function to use requests.post to make the API call. Note the json= section.
request = requests.post('https://api.github.com/graphql', json={'query': query}, headers=headers)
if request.status_code == 200:
@ibraheem4
ibraheem4 / postgres-brew.md
Last active July 5, 2024 17:29 — forked from sgnl/postgres-brew.md
Installing Postgres via Brew (OSX)

Installing Postgres via Brew

Pre-Reqs

Brew Package Manager

In your command-line run the following commands:

  1. brew doctor
  2. brew update
@archatas
archatas / example.html
Last active July 11, 2017 18:42
Avoid listing HTML attribute values within translatable string in Django template
{% blocktrans with username=request.user.username link=request.user.get_url_path css_class="btn btn-link" %}
Hello <a href="{{ link }}" class="{{ css_class }}">{{ username }}</a>!
{% endblocktrans %}
@DmytroLitvinov
DmytroLitvinov / messages.html
Last active September 13, 2021 22:18
[Django middleware for AJAX messages] Middleware for JSON responses. It adds to each JSON response array with messages from django.contrib.messages framework. It allows handle messages on a page with javascript. Django 1.10. #tags: django, python, ajax
<div id="messages">
{% for message in messages %}
<div {% if message.tags %}class="alert alert-dismissable alert-{{ message.tags }}"{% endif %}>
<a class="close" data-dismiss="alert" href="#">&times;</a>
{{ message }}
</div>
{% endfor %}
</div>
@tomysmile
tomysmile / mac-setup-redis.md
Last active June 27, 2024 00:23
Brew install Redis on Mac

type below:

brew update
brew install redis

To have launchd start redis now and restart at login:

brew services start redis