imankulov

#!/usr/bin/env ipython -i
import datetime
import json
from typing import Optional

import sqlalchemy as sa
from sqlalchemy.orm import declarative_base, sessionmaker
from sqlalchemy.dialects.postgresql import JSONB

from pydantic import BaseModel, Field, parse_obj_as

mjackson

Redirects in React Router v6

An important part of "routing" is handling redirects. Redirects usually happen when you want to preserve an old link and send all the traffic bound for that destination to some new URL so you don't end up with broken links.

The way we recommend handling redirects has changed in React Router v6. This document explains why.

Background

In React Router v4/5 (they have the same API, you can read about why we had to bump the major version here) we had a <Redirect> component that you could use to tell the router when to automatically redirect to another URL. You might have used it like this:

nhymxu

gunicorn run:app --workers=9
gunicorn run:app --workers=9 --worker-class=meinheld.gmeinheld.MeinheldWorker

Macbook Pro 2015 Python 3.7

Framework	Server	Req/s	Max latency	+/- Stdev

npearce

UPDATE (March 2020, thanks @ic): I don't know the exact AMI version but yum install docker now works on the latest Amazon Linux 2. The instructions below may still be relevant depending on the vintage AMI you are using.

Amazon changed the install in Linux 2. One no-longer using 'yum' See: https://aws.amazon.com/amazon-linux-2/release-notes/

Docker CE Install

sudo amazon-linux-extras install docker
sudo service docker start

jjangga0214

yarn

yarn 은 javascirpt 의 package manager 이다. npm 의 drop-in substitute 로 사용할 수 있는 점이 초기 도입에도 큰 장점이다.
패키지 설치 속도가 더 빠르고, 패키지 설치과정에서 패키지가 code를 running 하지 않도록 하여 더 보안상 안전하다.
또한, 같은 package.json 에 의존하는 두개의 서로 다른 환경이 서로 다른 버전의 패키지 의존성을 가지는 것을 방지하기 위해, 버전의 range 가 아닌, 정확한 버전을 명시한 yarn.lock 파일을 사용한다.

주요

# npm install
yarn install 또는 yarn

justsml

Fetch API Examples

⚠️ 2019-2020: See more examples and updates on my article here!

https://danlevy.net/you-may-not-need-axios/

=====================================================

r00tdaemon

Installation

pip3 install --user pyqt5  
sudo apt-get install python3-pyqt5  
sudo apt-get install pyqt5-dev-tools
sudo apt-get install qttools5-dev-tools

---

Configuring to run from terminal

joshbuchea

Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

Example

odewahn

I really liked @tjvantoll article Handling Failed HTTP Responses With fetch(). The one thing I found annoying with it, though, is that response.statusText always returns the generic error message associated with the error code. Most APIs, however, will generally return some kind of useful, more human friendly message in the body.

Here's a modification that will capture this message. The key is that rather than throwing an error, you just throw the response and then process it in the catch block to extract the message in the body:

fetch("/api/foo")
  .then( response => {
    if (!response.ok) { throw response }
    return response.json()  //we only get here if there is no error
 })

ergoithz

#!/usr/bin/python
# -*- coding: utf-8 -*-

import bs4

def xpath_soup(element):
    # type: (typing.Union[bs4.element.Tag, bs4.element.NavigableString]) -> str
    """
    Generate xpath from BeautifulSoup4 element.