Developer Gatsby

How not to see pyc file in eclipse

MentoGatsby — Tue, 26 Mar 2013 15:11:24 +0900

When you use eclipse with pydev, you start to see *.pyc . As you know .pyc contain the compiled bytecode of Python source files and loaded by Python interpreter before .py if they exists. If you don't want to see this file in eclipse, you can exclude th..

Python:How to sort in Python ( Sorting in Python )

MentoGatsby — Mon, 04 Mar 2013 08:46:18 +0900

Here is good documentation for sorting in Python. http://docs.python.org/2/howto/sorting.html Here is the problem in giving me a chance to take a look Sorting in Python. http://community.topcoder.com/stat?c=problem_statement&pm=2922&rd=5855 Basically, t..

mysql: what and why about replication and backups

MentoGatsby — Tue, 10 Jul 2012 15:32:24 +0900

Two things that you need in order to keep a site responsive and available. 1. Replication ( asynchronous ) Replication is used to replicate all changes on a server (called master or master server) to another server (called slave or slave server). Most o..

Nginx: How to disable Nginx HTTP 304 response

MentoGatsby — Mon, 09 Jul 2012 17:43:20 +0900

Disable Nginx HTTP 304 In Nginx ngx_http_core_module, there is a directive if_modified_since. You need to set this like below. if_modified_since off; The context for this is http, server, location. You need to add the directive if_modified_since off; in..

What is the difference atime, ctime, mtime

MentoGatsby — Sun, 08 Jul 2012 09:28:34 +0900

There are three different type of timestamps concerning files in Linux. atime ( access time ) Updated every time an application or service reads from the file using a system call. mtime ( modification time ) Updated when a change in the file content occ..

Linux : How to kill or stop the process (for Linux novice)

MentoGatsby — Sun, 08 Jul 2012 08:15:05 +0900

To kill process, You have to know the PID of the process first. Then, what is PID ? PID ==> Process Identifier How to find the PID of the process you want to kill or stop? There are two ways. One is using ps command, and the other one is using top comma..

How to copy keypair(pem) to Amazon EC2 instance

MentoGatsby — Sun, 26 Feb 2012 06:14:42 +0900

To copy Amazon keypair(.pem) file, I am going to use scp command with the keypair I have. # go to the directory where your keypair file is # My keypair name is amazonkey.pem # My EC2 instance DNS name is ec2-50-19-67-185.compute-1.amazonaws.com # I am g..

Password login, Linux, SSH, EC2

MentoGatsby — Sun, 26 Feb 2012 05:19:24 +0900

To use password authentication, you might need to update SSH configuration. In my case, after I launched EC2 instance, I wanted to use password authentication. Create a user logging in with password # add user and home directory for the user sudo userad..

jQuery: how to split string?

MentoGatsby — Mon, 07 Nov 2011 15:19:48 +0900

There are many chances to split string with delimiter . jQuery has a function which is very similar to PHP explode. Oct 30, 2011 to Nov 05, 2011 If you just want to take 'Oct 30', you can use this jQuery syntax. $(".example"..

jQuery : How to check and uncheck form checkbox

MentoGatsby — Sat, 08 Oct 2011 06:40:45 +0900

To add check attribute, you can do this. .attr ('checked', 'checked'); // make checkbox or radio button checked To remove checked from checkbox or radio button .removeAttr('checked'); // uncheck the checkbox or radio button