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Monthly Archives: October 2012
Encapsulation in Coffee Script
m.coffee ——— publicMethod1 = -> @publicMember1 = "public member 1" @publicMember2 = "public member 2" console.log ‘publicMethod1***’ console.log ‘*’ + @publicMember1 publicMethod2 = -> console.log ‘publicMethod2***’ @publicMethod1() console.log ‘*’ + @publicMember2 class Foo … Continue reading
Write Module in Coffee Script for Node
There are a few ways to write a module in Coffee Script for Node. Below are two ways to contrast their usages. Notice how they share data @url and use function @find. 1. user.coffee ————- class User constructor: (url) … Continue reading
Reset CouchDB Instance
It’s really easy to clean up a CouchDB instance as fresh as new. Just delete the database files and .delete folder in /usr/local/var/lib/couchdb and restart the CouchDB service. $ sudo /etc/init.d/couchdb stop $ cd /usr/local/var/lib/couchdb $ sudo rm -rf * … Continue reading
Tunneling via Putty
When you use putty to log in CouchDB server, you can also set up tunneling to access its admin console restricted to localhost. Here’s the additional configuration over your normal setup.
Running CouchDB Admin Console Remotely
CouchDB default configuration allows only localhost access to its admin console via Futon or curl. Without compromising server security and access, you can use ssh to tunnel to your CouchDB. Below is how to set up the tunnel. First, make … Continue reading
Another vim resource site
vimninjas.com
Vimcasts.org
For those who use vi or vim, here’s a nice site to watch useful tricks on using vim.
Mount Box.net to Ubuntu
I have this box.net account with 50GB free space unused. As Box supports DAV, we can mount it as backup storage. Below lists the commands to get you there. $ sudo apt-get install davfs2 #assume you don’t have davfs2 installed … Continue reading
Add Swap Space in Ubuntu
Many vendors provide no default swap partition in their images. If you use Ubuntu, here’s a quick way to add swap space, which is useful when you may run out of allocated physical memory. $ swapon -s $ sudo dd … Continue reading