yelhady’s gists

yelhady / display_current_git_branch_name.sh

Created August 5, 2018 21:27

Display the current git branch name

	#source: https://coderwall.com/p/fasnya/add-git-branch-name-to-bash-prompt

	parse_git_branch() {
	git branch 2> /dev/null \| sed -e '/^[^]/d' -e 's/ $.*$/ (\1)/'
	}
	export PS1="\u@\h \[\033[32m\]\w\[\033[33m\]\$(parse_git_branch)\[\033[00m\] $ "

yelhady / custom_directives.js

Created January 23, 2018 18:56

	.directive('trAutoFocus', ['$timeout', function($timeout) { // A new directive that auto focuses on an element based on a boolean expression.
	return {
	restrict: 'A', // restricts how the directive can be used, E = as an element, A = as an attribute, C = class, M = comment.
	scope: { isAutoFocus: '@trAutoFocus' }, // here we make an isolated child scope & assign a value to it, @ here works in case of attribute values of when using restrict: 'A' to get the value of the expression
	link: function(scope, element) { // a function for DOM manipulation, based on the value evaluated [isAutoFocus] we set the focus of the element we have.
	scope.$watch('isAutoFocus', function(value) {
	if(value === "true") {
	$timeout(function() {
	element[0].focus();
	});

yelhady / array-filter.js

Last active December 7, 2016 22:01

Filter elements in a given Javascript array using .filter function

	var myArr = [];
	myArr.push({key: 0, value: "elem-0"});
	myArr.push({key: 1, value: "elem-1"});
	myArr.push({key: 2, value: "elem-2"});
	myArr.push({key: 3, value: "elem-3"});

	//Note: to my knowlage, the .filter function returns a new array with the filtered elements.
	console.log(myArr.filter(function(entry) {
	if(entry.key % 2 == 0)
	return true;

yelhady / gist:512285382b5cb9b64750d95b82c69f8a

Created December 7, 2016 00:18 — forked from CristinaSolana/gist:1885435

Keeping a fork up to date

git clone [email protected]:YOUR-USERNAME/YOUR-FORKED-REPO.git

cd into/cloned/fork-repo
git remote add upstream git://github.com/ORIGINAL-DEV-USERNAME/REPO-YOU-FORKED-FROM.git
git fetch upstream

yelhady / gist:7d7b8a095d353bef531a1b06925162df

Created November 24, 2016 16:20 — forked from stuart11n/gist:9628955

rename git branch locally and remotely

	git branch -m old_branch new_branch # Rename branch locally
	git push origin :old_branch # Delete the old branch
	git push --set-upstream origin new_branch # Push the new branch, set local branch to track the new remote

yelhady / gist:b249b6511e4dd02397a9878ca2bae14c

Created September 8, 2016 23:22 — forked from bigsnarfdude/gist:b2eb1cabfdaf7e62a8fc

ubuntu 14.04 install scala 2.11.7 and sbt 13.9 and java 8 and git

	# scala install
	wget www.scala-lang.org/files/archive/scala-2.11.7.deb
	sudo dpkg -i scala-2.11.7.deb


	# sbt installation
	echo "deb https://dl.bintray.com/sbt/debian /" \| sudo tee -a /etc/apt/sources.list.d/sbt.list
	sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 642AC823
	sudo apt-get update
	sudo apt-get install sbt

Yehia Ahmed El Hady yelhady