How to change a HOSTNAME on mac

If you have to change a hostname of your Mac do this in Terminal:

1. Check your hostname with the one of these commands:
hostname
echo $HOSTNAME
uname -n

2. Set a new hostname:
sudo scutil --set HostName yourNewHostname

Skills for GEO location development

AKKA IO
PLAY
Apache Casandra
RESTfull веб-сервисов
JSON
SOAP

How to protect your Skype account

If you want to protect your Skype account do this:

1. Add to your profile a new unknown for anybody email address.
2. Make it as a primary email address

If you want to know more details read this article:
http://pixus-ru.blogspot.com/2012/11/hack-any-skype-account-in-6-easy-steps.html

MVC java example

Read this article for an example of MVC in Java:

http://www.austintek.com/mvc/

Archives manager for Mac OSX MuCommander application

If you're looking for an application that will allow you manage even the content of an archieves take a look on application MuCommander http://www.mucommander.com

How to change page for debugging in GWT/SmartGWT hosted mode

In order to change plugging in GWT/SmartGWT hosted mode is enough to do small changes in generated URL.

EXAMPLE
If there is a need to show HELP page you have to do this:

FROM THIS http://127.0.0.1:8888/trinity_cust.html?gwt.codesvr=127.0.0.1:9997
TO THIS http://127.0.0.1:8888/help.htm?gwt.codesvr=127.0.0.1:9997

This file is located inside of help folder of ui-branding module: ui-branding... /webapp-... /help

How to navigate in Terminal command line and in VIM on Mac OSX

TERMINAL commands in MAC OSX 
Ctrl + a (takes you to the beginning of the line)
Ctrl + e (takes you to the end of the line)
Alt or Option + (left arrow) or (right arrow) move back by 1 word (the alternative is Esc + b or Esc + f --  I have to retype Esc + b *each time*)

Ctrl + L Clears the Screen, similar to the clear command
Ctrl + U Clears the line before the cursor position. If you are at the end of the line, clears the entire line.
Ctrl + H Same as backspace
Ctrl + R Let’s you search through previously used commands
Ctrl + C Kill whatever you are running
Ctrl + D Exit the current shell
Ctrl + Z Puts whatever you are running into a suspended background process. fg restores it.
Ctrl + K Clear the line after the cursor
Ctrl + T Swap the last two characters before the cursor
Esc + T Swap the last two words before the cursor
Alt + F Move cursor forward one word on the current line
Alt + B Move cursor backward one word on the current line
Tab Auto-complete files and folder names

VIM commands in MAC OSX 

ctrl-F	Move forward one screen.
ctrl-B	Move backward one screen.
$	Move cursor to end of line.
^	Move cursor to beginning of line.
:1	Move to first line of file
:$	Move to last line of file
/	Search for a character string.
?	Reverse search for a character string.
x	Delete the character at the cursor position.
dd	Delete the current line.
p	Paste data that was cut with x or dd commands.
u	Undo.

Entering Input Mode

a	Add text after the cursor.
i	Insert text before the cursor.
R	Replace text starting at the cursor.
o	Insert a new line after the current one.

Entering Command Mode

esc	Switch from Input mode to Command mode.

Exiting or Saving Your File

:w	Write file to disk, without exiting editor.
ZZ	Save the file and exit.
:q!	Quit without saving.

UML tools

Take a look at this toll for UML drawing UML Graph:
Java UML tool http://www.umlgraph.org/
Python UML tool http://pypi.python.org/pypi/PyUMLGraph

Write UML as you code

Below is the link of site where you could write your UML as you code.
It is very interesting idea, take a look:
http://www.codeuml.com/

Importance of Small Refactoring [REPOST]

Read this article:

http://simpleprogrammer.com/2012/03/03/small-refactorings-are-ok/