Explain about creating VB applications in excel ?

Correct Answer: Some of the rules which should be followed while naming a variable in VB are as follows: 1) Characters should be less than 255 2) Space between characters should be allowed 3) A variable should begin with a number 4) Period may not be permitted

Correct Answer: Visual basic can be used for server side scripting A component designed with Visual basic will not have any user interface instead provides the functionality of Active X to other programs via COM This form of technique allows server side functionality and add in module

Correct Answer: Dim obj as OBJCLASS with eitherSet obj = New OBJCLASS orSet obj = CreateObject(OBJCLASS?) orSet obj = GetObject( , OBJCLASS?)orDim obj as New OBJCLASS

Correct Answer: DDE (Dynamic Data Exchange) a communication protocol that let applications call each other OLE was the first protocol that enabled users and programmers to create compound documents?that is documents that contain data from different applications (for example an Excel worksheet inside a Word document)

Correct Answer: With the help of Excel App instance we can execute a Macro in VB code EXcelAppInstanceApplicationRun("MacroName")

Correct Answer: Once can use the Shell function to call any Aplication in VB 60 For Outlook Express one can use, Shell (msimnexe)

Correct Answer: When the original if was followed by : and then the code block without braces

Correct Answer: :: is allowed to access methods that can perform static operations, ie those, which do not require object initialization

Correct Answer: Crypto usage in PHP is simple, but that doesn?t mean it?s free First off, depending on the data that you?re encrypting, you might have reasons to store a 32-bit value in the database instead of the 160-bit value to save on space Second, the more secure the crypto is, the longer is the computation time to deliver the hash value A high volume site might be significantly slowed down, if frequent md5() generation is required

Correct Answer: In this example it wouldn?t matter, since the variable is all by itself, but if you were to print something like "{$a},000,000 mln dollars", then you definitely need to use the braces