LASER is an acronym for Light Amplification by Stimulated Emission of Radiation. The LASER action was first proposed by Einstein.Applications of a LASERA LASER can be used in many fields. Some of its usages are given here.Used In Welding and Melting: The laser beam welding is mainly used for joining components using high welding speeds and low thermal distortion.Used In Holography: The reason that a hologram cannot be made without a LASER source is that coherence length for laser source can be very high due to which sustained interference pattern will be recorded on a hologram. This suggests the indispensable ... Read More

Before getting into example we should know what is tab host in android. Tab host holds set of tabs. Each tab contains either fragment or activity as per project specification. The user can scroll tabs from left to right or right to left.This example demonstrates how to use tab host in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.                             ... Read More

An intent filter is an instance of the IntentFilter class. Intent filters are helpful while using implicit intents, It is not going to handle in java code, we have to set it up in AndroidManifest.xml. Android must know what kind of intent it is launching so intent filters give the information to android about intent and actions.Before launching intent, android going to do action test, category test and data test. This example demonstrate about how to use intent filters in android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required ... Read More

 Before getting into an example, we should know what is autocomplete textview in android. Autocomplete textview is just like an edit text and it is a subclass of editext, but it is going to show suggestion from a list as a dropdown list. We have to set up Threshold value to auto-complete text view. for example, we have set it up Threshold as 1 so if user enters one letter is going to give suggestion according to Threshold letter.This example demonstrates about how to set up an adapter to auto-complete Textview.Step 1 − Create a new project in Android Studio, ... Read More

A smartphone is the most common device often seen in the hands of people, starting from the small kids to a 60 years old man. What is so special about this gadget? Does it only make life easier? What are the additional benefits this gadget offers? Numerous questions come to the mind of the users when they are buying the smart phone for the first time.For some folks, these gadgets are nothing but an instrument of entertainment. For some, it is the way to communicate to people around the world; some use it as the camera, whereas some may use ... Read More

It is said that "Cleanliness is next to godliness". It is not only important to maintain community hygiene, but also personal hygiene. For the latter, one should take care of one's grooming which can be done by visiting parlors, spas, salons etc.Due to lack of time, it may not be possible to visit a spa or salon and then wait there endlessly for one's turn. In that circumstance, it is better to pre-book an appointment online. This can be done as follows:Install LittleappLittleapp is an application available on Google play store. One can install it and book a spa or ... Read More

Choosing which out of Hike or Whatsapp is better depends upon so many parameters which may be used for comparing them.Comparison b/w Hike or WhatsappAccessibility: There are so many of our friends, relatives who are already on WhatsApp but not on Hike. So in order to talk to them, we cannot ask them to install hike first. Thus, in this case, the accessibility and availability of WhatsApp are more than Hike.Popularity: Both WhatsApp and hike are popular, but for different purposes. The hike may be charming for its nudge feature, while WhatsApp for its video call facility. While hike may ... Read More

Despite being awarded as the best messaging service and knowns as the top and advanced option for your business for chat and email, Slack lacks somewhere. Whether its pocket-drilling price or the functionality gaps it could not overcome yet. Therefore, most of the businesses are looking for its alternatives and these, the ones I feel can replace this chat service.Google HangoutIs the cheapest and hustle-free tool for your team to get in touch with each other. The plenty of instant messaging capabilities like being handy, easy to integrate, and being free put it at the top of the rest.Rocket.ChatThis Brazil-based ... Read More

The IB (Intelligence Bureau) which is the premier intelligence services department of the Government of India has identified a number of mobile apps including many that are developed by Chinese companies. Here's a list of 28 apps that the Digital IT Cell of the Government of India has identified as spyware and malware - Weibo, Wechat, Shareit, Truecaller, UC News, UC Browser, Beautiplus, Newsdog, Viva Video - Qu Video Inc, Parallel Space, Apus Browser, Perfect Corp, Virus Cleaner - Hi Security Lab, CM Browser, MI Community, DU Recorder, Vault Hide - NQ Mobile Security, Youcam Makeup, MI Store, Cachecleaner DU ... Read More

An online shopping site is a website which can be accessed through a computer which can be either a desktop or laptop. The website can also be accessed through a smartphone or tablet and both are mobile devices. In computers, because of higher data processing capacity and more functionality, all you need to do to access a shopping site is type the URL of the site in the browser and press 'enter'. However, on a mobile device like a smartphone or tablet, you may be able to open a shopping site but won't be able to make transactions, unless you ... Read More