Technology Questions

Q:

What is the difference between class selector and ID selector?

Answer

- Class selector can be given to an overall block. This is sometimes termed as block element as well, whereas ID selector identifies a unique name and a style for a specific element. 


- ID selector declares the style for only one particular element which can be differentiated from other element, whereas Class selector is being given for the whole complete block.

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Q:

What is the security mechanism used in java?

Answer

Java uses sand box security model.

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Subject: Java

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Q:

What is web application?

Answer

Web application provides services (Free and Paid) apart from information.


Ex: Online Banking System


It provides Bank  information , Branches & ATM information, Loans information etc...


And It provides balance enquiry, Fund transfer, Bill payments like services.

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Q:

What are the different types of hostings that exist?

Answer

There are different types of hosting provided to upload and share their files using the web or Internet. 


- Free web hosting service: It provides limited services and offers it to companies in that it offers advertisements and other services with limitations. 


- Shared web hosting service: where a server shares many websites all placed at one place having the range from few to hundred. 


* The domains are most probably remains shared with a common pool of resources that is based on the server like RAM and CPU.


- Reseller web hosting: This is the web hosting that allows clients to provide web hosting to others. This includes individual domains that are listed using the affiliated with a reseller. 


- Virtual Dedicated Server: This is also known as also known as a Virtual Private Server (VPS). This provided the divided server resources in the virtual servers and the method that doesn’t relate directly to the hardware. 


- Home server: This is a single machine server that can be thought as a personal server that is used to host one or more web sites using the connection.

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Q:

Differentiate between Canvas and SVG.

Answer

Some important differences between Canvas and SVG:


- Canvas is resolution dependent while SVG is not. 


- Canvas does not provide any support for event handlers while SVG does. 


- Canvas is suitable for graphic-intensive games while SVG is not suitable for gaming.


- Canvas is suitable for small rendering areas while SVG is suitable for large rendering areas like Google maps.

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Q:

What are the built-ins used for finding Object ID function?

Answer

FIND_GROUP(function) FIND_COLUMN(function)

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Q:

What are Microsoft security patches?

Answer

Microsoft security patches are intended to solve certain security loopholes and problems, while at the same time upgrading any existing security features. This would provide better protection by reducing vulnerabilities in security.

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Q:

How will you launch an Activity within you application?

Answer

For launching an application, we will need to create an intent that explicitly defines the activity that we wish to start. For example:


Code


        Intent intent = new Intent(this, MyTestActivity.class);


        startActivity(intent);

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