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@dmj111
dmj111 / latency.txt
Created May 31, 2012 20:39 — forked from jboner/latency.txt
Latency numbers every programmer should know
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns
Mutex lock/unlock 25 ns
Main memory reference 100 ns
Compress 1K bytes with Zippy 3,000 ns
Send 2K bytes over 1 Gbps network 20,000 ns
Read 1 MB sequentially from memory 250,000 ns
Round trip within same datacenter 500,000 ns
Disk seek 10,000,000 ns
@dmj111
dmj111 / matplotlibrc
Created November 22, 2012 20:57 — forked from huyng/matplotlibrc
my default matplotlib settings
### MATPLOTLIBRC FORMAT
# This is a sample matplotlib configuration file - you can find a copy
# of it on your system in
# site-packages/matplotlib/mpl-data/matplotlibrc. If you edit it
# there, please note that it will be overridden in your next install.
# If you want to keep a permanent local copy that will not be
# over-written, place it in HOME/.matplotlib/matplotlibrc (unix/linux
# like systems) and C:\Documents and Settings\yourname\.matplotlib
# (win32 systems).
@@ -20,9 +20,10 @@ blog_index_dir = 'source' # directory for your blog's index pa
deploy_dir = "_deploy" # deploy directory (for Github pages deployment)
stash_dir = "_stash" # directory to stash posts for speedy generation
posts_dir = "_posts" # directory for blog files
+org_posts_dir = "org_posts"
themes_dir = ".themes" # directory for blog files
-new_post_ext = "markdown" # default new post file extension when using the new_p
-new_page_ext = "markdown" # default new page file extension when using the new_p
+new_post_ext = "org" # default new post file extension when using the new_post t
+new_page_ext = "org" # default new page file extension when using the new_page t
@dmj111
dmj111 / gist:5023904
Created February 24, 2013 13:44 — forked from ahyatt/gist:313104
(defun ash-term-hooks ()
;; dabbrev-expand in term
(define-key term-raw-escape-map "/"
(lambda ()
(interactive)
(let ((beg (point)))
(dabbrev-expand nil)
(kill-region beg (point)))
(term-send-raw-string (substring-no-properties (current-kill 0)))))
;; yank in term (bound to C-c C-y)

What

Roll your own iPython Notebook server with Amazon Web Services (EC2) using their Free Tier.

What are we using? What do you need?

  • An active AWS account. First time sign-ups are eligible for the free tier for a year
  • One Micro Tier EC2 Instance
  • With AWS we will use the stock Ubuntu Server AMI and customize it.
  • Anaconda for Python.
  • Coffee/Beer/Time

Transparent Git Encryption

This document has been modified from its [original format][m1], which was written by Ning Shang ([email protected]). It has been updated and reformatted into a [Markdown][m2] document by [Woody Gilk][m3] and [republished][m4].

Description

When working with a remote git repository which is hosted on a third-party storage server, data confidentiality sometimes becomes

@dmj111
dmj111 / gist:f73e7fbf2bf679ec4477b8e28d0da074
Created April 16, 2023 23:30 — forked from dedy-purwanto/gist:11312110
Bulk remove iTerm2 color schemes.
# There was a day where I have too many color schemes in iTerm2 and I want to remove them all.
# iTerm2 doesn't have "bulk remove" and it was literally painful to delete them one-by-one.
# iTerm2 save it's preference in ~/Library/Preferences/com.googlecode.iterm2.plist in a binary format
# What you need to do is basically copy that somewhere, convert to xml and remove color schemes in the xml files.
$ cd /tmp/
$ cp ~/Library/Preferences/com.googlecode.iterm2.plist .
$ plutil -convert xml1 com.googlecode.iterm2.plist
$ vi com.googlecode.iterm2.plist