Technology Questions

Variables declared within a method are local variables. Variables declared within the class are member variables.  Variables declared within the class with static modifier are class variables 

Math object has two constant : Math.PI and Math.E

Math object has following functions:

- Math.abs(val1);

It will give absolute value of val1.

- Math.max(val1,val2);

This fuction will return maximum value from val1 and val2.

- Math.random();

This function will return a random number between 0 and 1.

- Math.floor(val1)

This function will returns decimal value of val1

Most companies grasp the potential value of successful business intelligence applications. However, a common challenge that IT professionals encounter is how to find successful BI application that are adopted by users and make a positive impact on the organization and on the bottom line. It can be difficult to structure effective BI project teams, select the right BI application, manage business-IT communications and measure BI success. BI is robust application, developing and optimizing successful BI application is always a challenge which involves structuring BI teams and managing business-IT communication.

The cursor can set to wait in JavaScript by using the property ‘cursor’ property. The following example illustrates the usage.

window.document.body.style.cursor = "wait"; 

- Web accelerators are used to increase the loading of the web page faster and by providing extra features of caching, etc. 

- There are tools that are provided like internet accelerator of browser accelerator that provides security from the spyware and adware programs. 

- The security from the programs are required as they are harmful for the computer and the tools uses the strategies of pre-caching in which the data is automatically cached and when the website is opened again then the fetching is being done from the place where the content is saved. 

- Registry tweaks are used to improve the performance offering the risk management techniques for downloading the resources.

Android uses many security measures to keep them away from the hackers. They have designed by making changes to the devices or installing a software service on the mobile. Android application uses sandbox that is very popular and allow limited access to the information that is very private and sensitive for the user. It allows the permissions to be set for the use of the information. The security measures that are provided by android is the use of the encryption of the messages that allow user to remain without worry about there phone security. They also consists of user terms and agreements that also taken care of. Most of the time android doesn't allow other applications to run on their system but it can be done by using different resources that are available on-line. As, android is open source it is not fully secure but lots of security issues are being solved for make it more popular and bug free.

Transferring of large/external/legacy data into SAP system using Batch Input programming. Batch input is a automatic procedure referred to as BDC(Batch Data Communications). The central component of the transfer is a queue file which receives the data vie a batch input programs and groups associated data into “sessions”.

CSS consists of two types of CSS rules, first is for ruleset which identifies the style and the selector. It combines the style and the selector. Ruleset is a combination of CSS rules, for example: h1{text-color: 15pt;}, where this is the CSS rule. Ruleset is selector + declaration for example: h1 + {text-color: 15pt;}