After publishing my article on ECMAScript 6, some have reached out to ask how I exactly I make it all work.
I refrained from including these details on the original post because they're subject to immiment obsoletion. These tools are changing and evolving quickly, and some of these instructions are likely to become outdated in the coming months or even weeks.
When evaluating the available transpilers, I decided to use 6to5, which has recently been renamed to Babel. I chose it based on:
Embedders of V8 should generally use the head of the branch corresponding to the minor version of V8 that ships in Chrome.
To find out what version this is,
| #!/usr/bin/python3 | |
| # By Steve Hanov, 2011. Released to the public domain. | |
| # Please see http://stevehanov.ca/blog/index.php?id=115 for the accompanying article. | |
| # | |
| # Based on Daciuk, Jan, et al. "Incremental construction of minimal acyclic finite-state automata." | |
| # Computational linguistics 26.1 (2000): 3-16. | |
| # | |
| # Updated 2014 to use DAWG as a mapping; see | |
| # Kowaltowski, T.; CL. Lucchesi (1993), "Applications of finite automata representing large vocabularies", | |
| # Software-Practice and Experience 1993 |
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
| # Copyright (c) 2014 Andrey Vlasovskikh | |
| # | |
| # Permission is hereby granted, free of charge, to any person obtaining a copy | |
| # of this software and associated documentation files (the "Software"), to deal | |
| # in the Software without restriction, including without limitation the rights | |
| # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| # copies of the Software, and to permit persons to whom the Software is | |
| # furnished to do so, subject to the following conditions: | |
| # | |
| # The above copyright notice and this permission notice shall be included in |
| """ This is a convenient way to monkeypatch a method or attribute of a Python | |
| object. This is great for situations where you want to modify a global | |
| object within a limited scope, i.e., your typical class or module when | |
| testing. This was tested and works with Python 2.7 and 3.4. """ | |
| import contextlib | |
| @contextlib.contextmanager | |
| def monkeypatched(object, name, patch): | |
| """ Temporarily monkeypatches an object. """ |
| #!/usr/bin/env python3 | |
| # -*- coding: utf-8 -*- | |
| """ | |
| Memory-aware LRU Cache function decorator | |
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
| A modification of the builtin ``functools.lru_cache`` decorator that takes an | |
| additional keyword argument, ``use_memory_up_to``. The cache is considered full | |
| if there are fewer than ``use_memory_up_to`` bytes of memory available. |
| <VirtualHost *:80> | |
| # Client AngularJS application | |
| DocumentRoot /var/www/example/client/public | |
| # Server Laravel 4 API application | |
| Alias /api /var/www/example/server/public | |
| # Rewrite all requests in /api to server index.php | |
| <Location /api> |
Run with Python:
pip-2.7 install cffi PYTHON=python2.7 sh go.sh
Run with PyPy:
pip-pypy install cffi PYTHON=pypy sh go.sh
| $ cat test.js | |
| function foo () { while (true) { } } | |
| function bar () { return foo(); } | |
| bar(); | |
| $ node test.js & | |
| $ gdb attach $(pidof node) | |
| 0x00000bf778c63d5f in ?? () | |
| (gdb) b v8::internal::Runtime_StackGuard | |
| Breakpoint 1 at 0x84a1f0 | |
| (gdb) print 'v8::V8::TerminateExecution'(0) |
