01/13/2012. From a lecture by Professor John Ousterhout at Stanford, class CS140
Here's today's thought for the weekend. A little bit of slope makes up for a lot of Y-intercept.
[Laughter]
-- show running queries (pre 9.2) | |
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query | |
FROM pg_stat_activity | |
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' | |
ORDER BY query_start desc; | |
-- show running queries (9.2) | |
SELECT pid, age(clock_timestamp(), query_start), usename, query | |
FROM pg_stat_activity | |
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' |
# delete local tag '12345' | |
git tag -d 12345 | |
# delete remote tag '12345' (eg, GitHub version too) | |
git push origin :refs/tags/12345 | |
# alternative approach | |
git push --delete origin tagName | |
git tag -d tagName |
Get Homebrew installed on your mac if you don't already have it
Install highlight. "brew install highlight". (This brings down Lua and Boost as well)
I use Namecheap.com as a registrar, and they resale SSL Certs from a number of other companies, including Comodo.
These are the steps I went through to set up an SSL cert.
#!/bin/sh | |
set -ue | |
HANDLE=0x0003 | |
VALUE=4480ebedc17401 | |
MAC=88:C6:26:1E:F5:38 | |
gatttool -b $MAC --char-write-req --handle=$HANDLE --value=$VALUE |
FridayHug.com http://fridayhug.com
The Smallest Rails App http://thesmallestrailsapp.com
%w(action_controller/railtie coderay).each &method(:require)
UPDATE: The instructions here are no longer necessary! Resizing the disk image is now possible right from the UI since Docker for Mac Version 17.12.0-ce-mac49 (21995).
If you are getting the error: No space left on device
Configuring the qcow2 size cap is possible in the current versions:
# my disk is currently 64GiB
function countCSSRules() { | |
var results = '', | |
log = ''; | |
if (!document.styleSheets) { | |
return; | |
} | |
for (var i = 0; i < document.styleSheets.length; i++) { | |
countSheet(document.styleSheets[i]); | |
} | |
function countSheet(sheet) { |