Marc Juchli mjuchli

Tech Links

Compilers, Interpreters, Language Design, etc.

How to install GHC from source + latest stack + cabal + cabal-install on ubuntu

for your convinience this instuction is available as:
gist
git repo

preferred way install stack than install ghc

stack (package manager and build tool, preferrered way to manage dependencies)

# settings

This is the three parts that I'm using on my Jekyll blog (http://voxpelli.com/) to add Flattr.

I add the "default.html" part in the bottom of the default layouts HTML (the one used by posts). I add it just prior to closing body-tag. Make sure to change the "uid" parameter in the s.src variable to be your Flattr username.

I then add the a-tag in "post.html" in the place where I want the flattr button to appear. Since my blog supports both swedish and english posts I define a language attribute - if you don't use that in your Jekyll-blog then feel free to leave it out. Just be sure to change the domain in the href-attribute to be to your site.

Lastly I add the "default_head.html" part in the head-section of the default layouts HTML (the one used by posts). I also define a language attribute here - if you don't use such an attribute in your Jekyll-blog then switch it to something else or leave it out. Make sure to change the domain and to change the "uid" parameter in the s.src variable to be

Client-side SSL

For excessively paranoid client authentication.

Updated Apr 5 2019:

because this is a gist from 2011 that people stumble into and maybe you should AES instead of 3DES in the year of our lord 2019.

some other notes:

	server {
	listen 80;
	server_name localhost;
	root /home/website/web;

	rewrite ^/app\.php/?(.*)$ /$1 permanent;

	try_files $uri @rewriteapp;

	location @rewriteapp {

	Latency Comparison Numbers (~2012)
	----------------------------------
	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns 14x L1 cache
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns 20x L2 cache, 200x L1 cache
	Compress 1K bytes with Zippy 3,000 ns 3 us
	Send 1K bytes over 1 Gbps network 10,000 ns 10 us
	Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD