Daijiang Li daijiang

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This notes is written by Sheldon. You can find me with #iOSBySheldon in Github, Youtube, Facebook, etc.

Need

Convert .mov/.MP4 to .gif

Reason

As a developer, I feel better to upload a short video when I create the pull request to show other viewers what I did in this PR. I tried .mov format directly got after finishing recording screen using Quicktime, however, gif offers preview in most web pages, and has smaller file size.

This is not limited to developer, anyone has this need can use this method to convert the files.

	// -- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8; --
	//
	// Simple example showing how expose a C++ function
	//
	// Copyright (C) 2010 Dirk Eddelbuettel and Romain Francois

	#include <RInside.h> // for the embedded R via RInside

	// a c++ function we wish to expose to R
	const char* hello( std::string who ){

	# ======================================================================================
	# Create a simple world map in Eckert IV projection with labeled graticules using ggplot.
	# Repel overlapping text labels with ggrepel.
	# Eckert IV is a nice looking equal-area projection :)
	# https://upload.wikimedia.org/wikipedia/commons/c/c5/Ecker_IV_projection_SW.jpg
	# ======================================================================================

	# Set a working directory with setwd() or work with an RStudio project

	# ~~~~~~~~~~~ Set libraries ~~~~~~~~~~~ #