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Fixing wrong symbols in Node.js CPU Frame Graphs

Motivation

I have been generating CPU Flame Graphs of Node.js applications with Linux perf command, and noticed that some of the graphs have suspicious labels. For example, with a sandbox project and Node 10.8.0, I got LazyCompile:*a.renderDOM /opt/app/node_modules/react-dom/cjs/react-dom-server.node.production.min.js:35 where it should have been something related to streams.

For example, the following is a stack trace from perf script that I used to genearte a CPU Flame Graph. 227bbdff955b has a label LazyCompile:*a.renderDOM, but it doesn't make much sense that React.renderDOM was called from _stream_readable.js and parsed JSON in it.

node 22640 56531.256247:   10101010 cpu-clock:

If you're here just for the section on vscode working with Python on WSL, jump here.

Creating a modern development environment in Windows

Windows is now a development environment that can compete with Mac and Linux. Windows Subsystems for Linux lets you have an Ubuntu (or other Linux flavor) installation that works near seemlessly inside of Windows. Hyper Terminal running WSL's Bash and Visual Studio Code feel really nice to code in. These are instructions for getting set up and smoothing out most of the remaining rough edges. I've included a section on getting vscode to work well with Python and WSL, but the general pattern should be usable for any unsupported language (as of now, I believe it's only Node.js that has WSL support in vscode).

👉 Please find the (new) list here: https://react-libs.nilshartmann.net/

[WINDOWS] How to enable auto-signing Git commits with GnuPG for programs that don't support it natively

This is a step-by-step guide on how to enable auto-signing Git commits with GPG for every applications that don't support it natively (eg. GitHub Desktop, Eclipse, Git Tower, ...)

Requirements

Install GPG4Win: this software is a bundle with latest version of GnuPG v2, Kleopatra v3 certificate manager, GNU Privacy Assistant (GPA) v0.9 which is a GUI that uses GTK+, GpgOL and GpgEX that are respectively an extension for MS Outlook and an extension for Windows Explorer shell
Install Git for Windows: so you can have a *nix based shell, this software is a bundle with latest version of Git which use MINGW environment, a Git bash shell, a Git GUI and an extension for Windows Explorer shell (Make sure your local version of Git is at least 2.0, otherwise Git don't have support for automatically sign your commits)
Verify

On Mac

Download, but don't run, the Sierra installer from the Mac App Store. This places the installer at /Applications/Install\ macOS\ Sierra.app/.

Now run the following commands to build a suitable VM image from the installer:

git clone https://github.com/jonanh/osx-vm-templates
cd osx-vm-templates/packer

sudo ../prepare_iso/prepare_vdi.sh -D DISABLE_REMOTE_MANAGEMENT -o macOS_10.12.vdi /Applications/Install\ macOS\ Sierra.app/ .

What I Wish I'd Known About Equity Before Joining A Unicorn

Disclaimer: This piece is written anonymously. The names of a few particular companies are mentioned, but as common examples only.

This is a short write-up on things that I wish I'd known and considered before joining a private company (aka startup, aka unicorn in some cases). I'm not trying to make the case that you should never join a private company, but the power imbalance between founder and employee is extreme, and that potential candidates would

	MIT License

	Copyright (c) 2018 Noel Bundick

	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:

	#!/bin/sh

	vboxmanage modifyvm "Windows 7" --cpuidset 00000000 0000000d 68747541 444d4163 69746e65
	vboxmanage modifyvm "Windows 7" --cpuidset 00000001 00610f01 01040800 3e98320b 178bfbff
	vboxmanage modifyvm "Windows 7" --cpuidset 00000002 00000000 00000000 00000000 00000000
	vboxmanage modifyvm "Windows 7" --cpuidset 00000003 00000000 00000000 00000000 00000000
	vboxmanage modifyvm "Windows 7" --cpuidset 00000004 00000000 00000000 00000000 00000000
	vboxmanage modifyvm "Windows 7" --cpuidset 00000005 00000040 00000040 00000003 00000000
	vboxmanage modifyvm "Windows 7" --cpuidset 00000006 00000000 00000000 00000001 00000000
	vboxmanage modifyvm "Windows 7" --cpuidset 00000007 00000000 00000008 00000000 00000000

	# Generate a BaseSystem.dmg with 10.13 Install Packages
	hdiutil attach /Applications/Install\ macOS\ 10.13\ Beta.app/Contents/SharedSupport/InstallESD.dmg -noverify -mountpoint /Volumes/highsierra
	hdiutil create -o /tmp/HighSierraBase.cdr -size 7316m -layout SPUD -fs HFS+J
	hdiutil attach /tmp/HighSierraBase.cdr.dmg -noverify -mountpoint /Volumes/install_build
	asr restore -source /Applications/Install\ macOS\ 10.13\ Beta.app/Contents/SharedSupport/BaseSystem.dmg -target /Volumes/install_build -noprompt -noverify -erase
	cp -R /Volumes/highsierra/Packages /Volumes/OS\ X\ Base\ System/System/Installation
	hdiutil detach /Volumes/OS\ X\ Base\ System/
	hdiutil detach /Volumes/highsierra/
	mv /tmp/HighSierraBase.cdr.dmg /tmp/BaseSystem.dmg

	[package]
	name = "proxy"
	version = "0.1.0"
	authors = ["meganehouser"]

	[dependencies]
	tokio-core = "0.1"
	tokio-io = "0.1"
	hyper = { git = "https://github.com/hyperium/hyper", branch="master"}
	hyper-tls = { git = "https://github.com/hyperium/hyper-tls", branch="master"}