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Eyal Arubas EyalAr

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@EyalAr
EyalAr / README.md
Last active August 29, 2015 14:06
Benchmarks of various nested loops control flow mechanisms in Javascript

MDN recommends NOT to use labels in Javascript, and instead use exceptions or functions. But turns out labels are the fastest, closely followed by named functions.

Test case: Run two nested loops. The inner loop needs to continue the outer loop upon some condition.

Tests:

  1. Using named loops with labels.
@EyalAr
EyalAr / README.md
Last active August 29, 2015 14:06
TroopJS data-weave inside template bug - multiple widget instances are created for elements

To run:

  1. Clone this gist
  2. bower install
  3. Serve index.html
  4. Open developer tools inspector
  5. First `` element has 4 widget instances attached; second had 3, etc.
@EyalAr
EyalAr / error_demo.go
Last active August 29, 2015 14:05
Go + ZeroMQ ROUTER socket concurency problem demo
// This is a demonstration for a ROUTER socket which is used concurrently
// by two different threads. One to receive messages and one to send.
// Running this program will cause a panic because ZeroMQ sockets are not
// threads-safe.
package main
import (
"fmt"
zmq "github.com/pebbe/zmq4"
@EyalAr
EyalAr / dbcopy.sh
Last active August 29, 2015 14:02
Export from one mongo database into another
#!/usr/bin/env bash
#https://gist.github.com/EyalAr/4bc6524c3c9ae6af33a9
SOURCE_HOST=127.0.0.1
SOURCE_DB=dev
TARGET_HOST=127.0.0.1
TARGET_DB=stage
@EyalAr
EyalAr / conf.example.js
Last active August 29, 2015 14:01
Generic configuration parser for my Node.js projects. Allows to override selectively with environment variables.
module.exports = {
key1: 'foo',
key2: {
subkey1: 'foo',
subkey2: {
subsubkey1: 'foo',
// ...
}
}
}
@EyalAr
EyalAr / gist:22747ffd69d89d095fc4
Created May 25, 2014 05:59
Bash prompt format
export PS1='[\[\033[0;95m\]\#\[\033[0m\]][\[\033[0;35m\]\!\[\033[0m\]] \[\033[0;36m\]\u\[\033[0m\]:\[\033[0;32m\]\W\[\033[0m\]\[\033[0;33m\]$(declare -F __git_ps1 &>/dev/null && __git_ps1 ":%s")\[\033[0m\]\[\033[0;31m\]$\[\033[0m\] '
@EyalAr
EyalAr / Preferences.sublime-settings
Created May 23, 2014 04:54
{
"always_show_minimap_viewport": true,
"color_scheme": "Packages/Monokai Extended/Monokai Extended.tmTheme",
"draw_minimap_border": true,
"ensure_newline_at_eof_on_save": true,
"font_face": "SourceCodePro-light",
"font_size": 15,
"caret_extra_width": 1,
"caret_style": "phase",
"ignored_packages": [
@EyalAr
EyalAr / batch_export.sh
Last active October 3, 2023 01:55
Shell script to easily export mongo collections into JSON files
#!/usr/bin/env bash
#https://gist.github.com/EyalAr/67791f51fce51ed55594
COLLECTIONS=()
HOST="127.0.0.1"
PORT="27017"
DB=
if [ -n "$1" -a "$1" = "--help" ]
@EyalAr
EyalAr / 1.generator_example.js
Created May 9, 2014 07:19
Code snippets for Javascript generators and asynchronous code presentation. Based on http://eyalarubas.com/javascript-generators-and-callbacks.html
// generate a series of even numbers,
// but be able to to reverse the order of iteration
function * generateEvens(start) {
var dir = 1; // up
if (start % 2 !== 0) start++;
while (true) {
var tmp = yield start;
if (tmp === 'up') dir = 1;
if (tmp === 'down') dir = -1;
@EyalAr
EyalAr / count_words_in_selection.py
Last active July 1, 2021 07:35
Count words in selection - plugin for Sublime Text 3. Full blog post: http://eyalarubas.com/count-words-in-sublime-text-3.html
import sublime, sublime_plugin, re
class CountWordsInSelectionCommand(sublime_plugin.EventListener):
def on_selection_modified(self, view):
'''
listen to event 'on_selection_modified' and count words in all selected
regions when invoked.
'''