Ronan Rodrigo Nunes ronanrodrigo

A curated list of shell commands and tools specific to macOS.

“You don’t have to know everything. You simply need to know where to find it when necessary.” (John Brunner)

If you want to contribute, you are highly encouraged to do so. Please read the

Rx Study Guide

Visual guide - RxMarbles

Observable

What is an Observable How to create an Observable:

just

FWIW: I (@rondy) am not the creator of the content shared here, which is an excerpt from Edmond Lau's book. I simply copied and pasted it from another location and saved it as a personal note, before it gained popularity on news.ycombinator.com. Unfortunately, I cannot recall the exact origin of the original source, nor was I able to find the author's name, so I am can't provide the appropriate credits.

Effective Engineer - Notes

By Edmond Lau
Highly Recommended 👍
http://www.theeffectiveengineer.com/

What's an Effective Engineer?

JQ to filter JSON by value

Syntax: cat <filename> | jq -c '.[] | select( .<key> | contains("<value>"))'

Example: To get json record having _id equal 611

cat my.json | jq -c '.[] | select( ._id | contains(611))'

Remember: if JSON value has no double quotes (eg. for numeric) to do not supply in filter i.e. in contains(611)

Following the tradition from last year, here's my complete list of all interesting features and updates I could find in Apple's OSes, SDKs and developer tools that were announced at this year's WWDC. This is based on the keynotes, the "What's New In ..." presentations and some others, Apple's release notes, and blog posts and tweets that I came across in the last few weeks.

If for some reason you haven't watched the talks yet, I really recommend watching at least the "State of the Union" and the "What's New In" intros for the platforms you're interested in. The unofficial WWDC Mac app is great way to download the videos and keep track of what you've already watched.

If you're interested, here are my WWDC 2015 notes (might be useful if you're planning to drop support for iOS 8 now and start using some iOS 9 APIs).

	#import <React/RCTViewManager.h>

	@interface RCT_EXTERN_MODULE(CounterManager, RCTViewManager)

	RCT_EXPORT_VIEW_PROPERTY(value, NSNumber)
	RCT_EXPORT_VIEW_PROPERTY(leftButtonText, NSString)
	RCT_EXPORT_VIEW_PROPERTY(rightButtonText, NSString)
	RCT_EXPORT_VIEW_PROPERTY(onPressLeftButton, RCTDirectEventBlock)
	RCT_EXPORT_VIEW_PROPERTY(onPressRightButton, RCTDirectEventBlock)

	# USAGE:
	# notify pod install --repo-update

	# Place this function at the end of your file
	notify() {
	body=""
	for parameter in $@
	do
	body+=" $parameter"
	done

	Banco do Brasil = "bbapp://"
	Bradesco = "BDNiPhoneVarejo://"
	Bradesco Prime = "BDNiPhonePrime://"
	Itaú = "itauvarejo://"
	Itaú Personnalité = "itaupersonnalite://"
	Santander = "santanderpf://"
	Sicoob = "sicoob://"
	Neon = "banconeon://"
	Nubank = "nuapp://"

	//Function to pretty-print Json Object in Swift 3
	func prettyPrint(with json: [String:Any]) -> String{
	let data = try! JSONSerialization.data(withJSONObject: json, options: .prettyPrinted)
	let string = NSString(data: data, encoding: String.Encoding.utf8.rawValue)
	return string as! String
	}

	<?xml version="1.0" encoding="UTF-8"?>
	<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
	<plist version="1.0">
	<dict>
	<key>ANSIBlackColor</key>
	<data>
	YnBsaXN0MDDUAQIDBAUGFRZYJHZlcnNpb25YJG9iamVjdHNZJGFyY2hpdmVyVCR0b3AS
	AAGGoKMHCA9VJG51bGzTCQoLDA0OVU5TUkdCXE5TQ29sb3JTcGFjZVYkY2xhc3NPECcw
	LjE0NTA5ODAzOTIgMC4xNDkwMTk2MDc4IDAuMTg4MjM1Mjk0MQAQAYAC0hAREhNaJGNs
	YXNzbmFtZVgkY2xhc3Nlc1dOU0NvbG9yohIUWE5TT2JqZWN0XxAPTlNLZXllZEFyY2hp