rob-blackbourn

Bufering in linq

static void Main()
{
    foreach (var block in "The quick brown fox jumped over the lazy dog".Split(' ').Buffer(4))
        Console.WriteLine(string.Join(" ", block));
}

The code takes the sentence "The quick brown fox jumped over the lazy dog", splits it into words, buffers it into blocks of four words, then writes each block of words joined by spaces.

rob-blackbourn

JavaScript Property Getters and Setters

The attached code shows how to create getters and setters for a JavaScript object against the object prototype.

The example shows a situation where I want to store the underlying data (an RGBA colour) as an array, but wish to allow access throough getters and setters: i.e. colour.red = 255.

Running the example produces the following result:

rob-blackbourn

Overview

This code provides a simple example of how to build an ImageData object from text art that can be used in a canvas.

rob-blackbourn

class Field:

    def __init__(self, name=None, db_name=None, default=None, required=None, unique=None):
        self.name = name
        self.db_name = db_name
        self.default = default
        self.required = required
        self.unique = unique

    def to_mongo(self, value):

rob-blackbourn

"""GraphQL JSON type"""

import json
from typing import List, Mapping, Union, Any

from graphql.type import GraphQLScalarType
from graphql.language.ast import StringValueNode
from graphql.error import INVALID

JSONType = Union[List[Mapping[str, Any]], Mapping[str, Any]]

rob-blackbourn

import asyncio
import os

from jetblack_tweeter import Tweeter
from jetblack_tweeter.clients.bareclient import BareTweeterSession

async def main():
    # Create the twitter client.
    tweeter = Tweeter(
        BareTweeterSession(),

rob-blackbourn

import graphene

class UserType(graphene.ObjectType):
    id = graphene.types.scalars.BigInt(required=True)
    id_str = graphene.String(required=True)
    name = graphene.String(required=True)
    screen_name = graphene.String(required=True)
    location = graphene.String(required=False)
    url = graphene.String(required=False)
    description = graphene.String(required=False)

rob-blackbourn

import typing

import graphene
from jetblack_tweeter import Tweeter

from .types import SearchResultType

class Query(graphene.ObjectType):
    search_tweets = graphene.Field(
        SearchResultType,

rob-blackbourn

import typing

import graphene
from jetblack_tweeter import Tweeter

from ..types import TweetType

class UpdateStatus(graphene.Mutation):
    class Arguments:
        status = graphene.String()

rob-blackbourn

import typing

import graphene
from jetblack_tweeter import Tweeter

from .types import TweetType

class Subscription(graphene.ObjectType):
    filter = graphene.Field(
        TweetType,