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Let's explore the Yoneda lemma. You don't need to be an advanced Haskeller to understand this. In fact I claim you will understand the first section fine if you're comfortable with map/fmap and id.
I am not out to motivate it, but we will explore Yoneda at the level of terms and at the level of types.
complete ways to set http/socks/ssh proxy environment variables
set http or socks proxy environment variables
# set http proxyexport http_proxy=http://PROXYHOST:PROXYPORT
# set http proxy with user and passwordexport http_proxy=http://USERNAME:PASSWORD@PROXYHOST:PROXYPORT
# set http proxy with user and password (with special characters)
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There are many guides on how to install and use PGP to encrypt email.
This is not one of them. This is a guide on secure communication using
email with PGP encryption. If you are not familiar with PGP, please
read another guide first. If you are comfortable using PGP to encrypt
and decrypt emails, this guide will raise your security to the next level.
Right-click your recently downloaded (unzipped) dictionary file, and click the "Send to Kindle" menu item. It will arrive on your Kindle shortly.
Once the dictionary has arrived, go to your settings -- on my newish paperwhite, it's at Home > Settings > Device Options > Language and Dictionaries > Dictionaries > English. Choose the Webster's 1913.
macOS FileVault encryption and OpenBSD encrypted softraid on a Macbook Air/Pro
Update (2019-05-06): The Broadcom wireless card in the MacBook Pro works and can be crammed into the Air.
Update (2015-12-04): This document used to be very lengthy as there were many manual steps required to get OpenBSD and Mac OS X working together through Boot Camp Assistant (BCA), which created a hybrid MBR and enabled a legacy BIOS emulation mode which older versions of Windows (and OpenBSD) required. Newer Macbooks stopped supporting older versions of Windows through BCA and now only support Windows 10 since it uses GPT and UEFI. However, now that newer versions of OpenBSD support GPT and UEFI, Boot Camp Assistant is no longer needed at all to boot OpenBSD.
macOS FileVault encryption and OpenBSD encrypted softraid on a Macbook Air/Pro
OpenBSD works pretty well on at least the Mid-2011 Macbook Air (A1370, SandyBridge) and Mid-2013 Macbook Air (Haswell). The new KMS code in 5.4 brings up the MBA's eDP display in 1366x768 with backlight