Brian Solon solon

There are many tutorials and articles available online which explain functional programming. Examples show small functions, which are composed into others which again get composed. It is hard to imagine how it would all work, then come the analogies and then the math. While the math is necessary to understand it can be difficult to grasp initially. The analogies on the other hand, (at least for me) are not relatable. Some articles assume the reader knows the different terminologies of FP. Over all I felt it is not inviting to learn.

This introduction is for those who have had a tough time understanding those analogies, taken the plunge to functional programming but still have not been able to swim. This is yet another tutorial on functional programming

Terminology

Functions as first class citizens

Functions are first class means they are just like anyone else, or rather they are not special, they behave the same as say primitives or strings or objects.

Simple implementation of debounced fetching in GraphQL to allow merging of multiple rest / database requests into one. Although this example uses GraphQL, the debouncedFetch / fetchProgramPlaycount implementations could probably be used in any context to achieve the same result.

This approach was first described by @leebyron at graphql/graphql-js#19 (comment)

For example this allows turning ten requests for playcounts from this GraphQL query into just one:

{
  latestPrograms(first: 10) {
    name,

playcount

Making Art With CLJ

Getting into Clojure:

Great Book (Free Online) : [http://www.braveclojure.com/](Brave Clojure)

Tools for anything and everything:

Visual:

Grab new backup of database

Command: heroku pgbackups:capture --remote production

Response: >>> HEROKU_POSTGRESQL_COLOR_URL (DATABASE_URL) ----backup---> a712

Get url of backup download

Command: heroku pgbackups:url [db_key] --remote production

	'use strict';
	//////////////////////////////////
	// How to use?
	// 1. Create `sequelize-schema-file-generator.js` in your app root
	// 2. Make sure you've ran the `sequelize init` before (It should create `config`,`seeders`,`migrations` folders).
	// 3. Update `DATABASE_DSN` below to match your connection string (works with any database adapter that Sequelize supports)
	// 4. Run it with `node sequelize-schema-file-generator.js`
	// 5. Review the generated migrations inside of the `migrations` folder.
	//////////////////////////////////

	#!/usr/bin/env bash

	{ # this ensures the entire script is downloaded #

	openframe_has() {
	type "$1" > /dev/null 2>&1
	}

	if [ -z "$OPENFRAME_DIR" ]; then
	OPENFRAME_DIR="$HOME/.openframe"

	# AppDelegate.m

	#import <Analytics/SEGAnalytics.h>
	[SEGAnalytics setupWithConfiguration:[SEGAnalyticsConfiguration configurationWithWriteKey:@"YOUR_ANALYTICS_KEY_HERE"]];


	# AnalyticsHelper.h

	#import "RCTViewManager.h"
	#import "RCTBridgeModule.h"

	# For SCSS-Lint v0.31.0

	linters:

	BangFormat:
	enabled: true
	space_before_bang: true
	space_after_bang: false

	BorderZero:

	{
	"created_at": "Wed Nov 20 18:13:12 +0000 2013",
	"id": 4.0322452267901e+17,
	"id_str": "403224522679009280",
	"text": "Enjoyed our half price chicken and wawfuls today! @tamusportclubs @SullysGrill @TAMUWaterski #SCPartnerday http:\/\/t.co\/XRsVqYy9Zo",
	"source": "<a href=\"http:\/\/twitter.com\/download\/android\" rel=\"nofollow\">Twitter for Android<\/a>",
	"truncated": false,
	"in_reply_to_status_id": null,
	"in_reply_to_status_id_str": null,
	"in_reply_to_user_id": null,

	test:
	override:
	- bundle exec rspec spec

	deployment:
	acceptance:
	branch: master
	commands:
	- ./script/heroku_deploy.sh <ACCEPTANCE_HEROKU_APP>:
	timeout: 300