Advantages of smaller PDUs

The advantages of smaller PDUs(Protocol Data Units), are mentioned below:

1. The communications network may not be able to send/receive such size of block data. Like, ATM network allows blocks only of 53 octets, whereas Ethernet allows blocks of 1526 octets.

2. Error detection can be done quickly if the PDU is small and can be quickly re-transmitted if necessary.

3. The buffer of the receiver will not be busy for a continuous long time.

4. In shared systems, data can be sent to shared devices without delaying much.

5. There is CLOSURE, so the network can check situations and restart/recovery operations if needed.

Keyboard Shortcuts for the GNOME Desktop

1. General Shortcut Keys

Alt + F1	Opens the Applications Menu.
Alt + F2	Displays the Run Application dialog.
Print Screen	Takes a screenshot.
Alt + Print Screen	Takes a screenshot of the window that has focus.
Ctrl + Alt + right arrow	Switches to the workspace to the right of the current workspace.
Ctrl + Alt + left arrow	Switches to the workspace to the left of the current workspace.
Ctrl + Alt + up arrow	Switches to the workspace above the current workspace.
Ctrl + Alt + down arrow	Switches to the workspace below the current workspace.
Ctrl + Alt + d	Minimizes all windows, and gives focus to the desktop.
F1	Starts the online help browser, and displays appropriate online Help.

2. Window Shortcut Keys

Alt + Tab	Switches between windows. When you use these shortcut keys, a list of windows that you can select is displayed. Release the keys to select a window.
Alt + Esc	Switches between windows in reverse order. Release the keys to select a window.
F10	Opens the first menu on the left side of the menubar.
Alt + spacebar	Opens the Window Menu.
Arrow keys	Moves the focus between items in a menu.
Return	Chooses a menu item.
Esc	Closes an open menu.
Ctrl + Alt + right arrow	Switches to the workspace to the right of the current workspace.
Ctrl + Alt + left arrow	Switches to the workspace to the left of the current workspace.
Ctrl + Alt + up arrow	Switches to the workspace above the current workspace.
Ctrl + Alt + down arrow	Switches to the workspace below the current workspace.
Ctrl + Alt + d	Minimizes all windows, and gives focus to the desktop.

When a window has focus, you can increase or decrease the size of the window:

Alt + F8	Start the resize operation.
Arrow keys	Resize the window in the direction of the arrow key.
Spacebar	Complete the resize operation, leaving the window at the current size.
Ess	Cancel the resize operation, restoring the window to its original size.

3. Panel Shortcut Keys

Ctrl + Alt + Tab	Switches the focus between the panels and the desktop. When you use these shortcut keys, a list of items that you can select is displayed. Release the keys to select an item.
Ctrl + Alt + Esc	Switches the focus between the panels and the desktop. Release the keys to select an item.
Ctrl + F10	Opens the popup menu for the selected panel.
Tab	Switches the focus between objects on a panel.
Return	Chooses the selected panel object or menu item.
Shift + F10	Opens the popup menu for the selected panel object.
Arrow keys	Moves the focus between items in a menu. Moves the focus between interface items in an applet also.
Esc	Closes an open menu.
F10	Opens the Applications menu from the Menu Bar, if the Menu Bar is in a panel.

4. Application Shortcut Keys

Shortcut Keys	Command
Ctrl + N	New
Ctrl + X	Cut
Ctrl + C	Copy
Ctrl + V	Paste
Ctrl + Z	Undo
Ctrl + S	Save
Ctrl + Q	Quit

Spark of Engineering

Engineering er spark ta pacchi na.. Engineering onk interesting, but keno jani oi moja ta pacchina. Ashole amdr poralekha ta khub beshi boi bhittik hoye gese, tai khali boi pore pore ja shikhar shikhte hobe, ja bujhar bujhte hobe.. r shudhu tai na, kono realistic project a kaj kora, jeta hobe really needed,amon kichu niye kaj korte parle hoito bhalo lagto.. Kintu ai boi pore, mukhusto kore, khatai likhe, practice kore koto tuk engineer hote parbo jani na. engineer hoye gelew, ekjon engineering student hishabe j moja ta pawa dorkar chilo ta pai nai.. ki r korbo..

Counting Sort

While i was trying to write the code of counting sort in my machine. I found that, its not that much easy, because in the algorithm, we take an array A,which is started from position 1(normally array starts from 0). So that is why its getting more interesting.

Wordpress: Remove Date, Author, Catagory, Edit from posts

1.Go to catagory.php
2.There you will find a php code of date, author, category and edit.
3.Remove it.

Now refresh your wordpress site, the date,author,category,edit will be gone..

Mozilla FireFox Shortcuts: Make your browsing life easier.

To open a new TAB, press Ctrl+T
To open a new Window, press Ctrl+N
To move your cursor to the address bar, Ctrl+L

Bored to write (WWW) and (.COM/.ORG/.NET), here goes the shortcuts:

To open .COM, write the website name and then press Ctrl+Enter
To open .ORG, write the website name and then press Ctrl+Shift+Enter
To open .NET, write the website name and then press Shift+Enter

Enjoy..
 

Recovery from Deadlock: Process Termination

Que: In which order should we chose to abort deadlock?
Ans: The order is given below:
1.Priority of the process.
2.How long the process has computed,and how much time more does it need to finish.
3.How many resources it has used.
4.How many resources it needed.
5.How many resources needed to terminate.
6.Is process interactive or batch.

Gaming Websites!!

I never played any games in any websites. I was not that much interested about this topic. I used to think that people also don't play that much in these website, but i was total wrong. Recently just to remove my boredom, i went to a gaming site, named gamezer.com. I was amazed to see that, on that time i logged in, i was the 1,20,903rd numbered online-person in that site!!!! I was just speechless. How that could be, around 1,20,900 people in a gaming site!!! God, knows man..

Gaming sites are really working.. Thinking to build a gaming site! lolz.

Why don't people use twitter?

I don't know why people are so much addicted to facebook. I don't like facebook. Twitter is much better than facebook. I like to tweet.

Trying so hard..

Trying so hard. But still i mess up. I don't know when i will feel that i have reached my destination. Its hard. Its really hard. Hard time to go. But love the hard time. Love computing.