HOW TO TAKE A SCREEN SHOT

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Press (print screen) from your keyboard.
Using this the screen shot will be copied.
And open paint and paste there.
That’s done.

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Create Invisible Name on Facebook / Blank Empty Nickname .

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Did you ever see a facebook user that didn’t have any nickname or name in their account? Are you wondering why you can’t see their nickname and how is it possible? If you never encounter those kind of fb name just take a look at the picture above. That’s how the look like of invisible name on Facebook. The nickname is being emptied or got blank. It just that they only used “space bar” character on their facebook’s name. Here what we got and how to do that: First you had to prepare on getting the “invisible character”. If you using Windows 7 here what you can do. Go to Start Menu > Accessories > System Tools > Character Maps. See the image above. After the Character Map appears, point cursor to “Go to Unicode” and type “200D” (without quote). Then select the first character on the top left side which it named as “U+200D: Zero Width Joiner”. Now the main and the last steps . Login to your Facebook with your username and password, then Go to “Account Settings” > Name > Edit...
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Cappilary

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The rise or fall Of a liquid in a capillary tube is related to the surface tension of a liquid whether a liquid rise in a capillary like water or depressed like mercury. It depends on the relative magnitude of cohesive and adhesive forces.These forces determine the contact angle which the liquid make with the walls Of the tube. If the contact angle is less than 90° it is said to wet surface and concave miniscus is Formed. If contact angle is Greater than 90° the liquid doesn't wet the surface and convex miniscus is formed. The formation of concave miniscus by a liquid that wet the glass leads to the capillary rise whereas the formation of convex miniscus leads to the depression in the liquid and shows Capillary Fall.
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Applications of a Queue in Daily life

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Definition of Queue A Queue is "an abstract data type in which elements are added to the rear and removed from the front; a 'first in, first out' (FIFO) structure."  ( C++ Plus Data Structures , page 226) The main difference between a queue and a stack is that elements in a queue are put on the bottom and taken off the top (remember, in a stack, elements put on the top and taken off the top). For an everyday queue example, consider a line of customers at a bank waiting to be served. Each new customer gets in line at the rear. When the teller is ready to help a new customer, the customer at the front of the line is served. This is a queue--the first customer in line is the first one served. 1.1 Applications of a Queue In general, queues are often used as "waiting lines". Here are a few examples of where queues would be used: In operating systems, for controlling access to shared system resources such as printers, files, communication lines, disks and tapes.A ...
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