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Why Do You Use JUnit to Test Your Code?
Why Do You Use JUnit to Test Your Code? This is a commonly asked question in a job interview. Your answer should have these points: I believe that writing more tests will make me more productive, not less productive. I believe that tests should be done as soon as possible at the code unit level. I b...
2008-01-03, 5342👍, 0💬

What boolean operators does JavaScript support?
What boolean operators does JavaScript support? &amp;&amp;, || and !
2008-07-29, 5337👍, 0💬

Using XML with Non-Latin Characters
Can XML use non-Latin charac'ters? Yes. The XML Specification explicitly says XML uses ISO 10646, the international standard character repertoire which covers most known languages. Unicode is an identical repertoire, and the two standards track each other. The spec says (2.2): All XML processors mus...
2007-04-11, 5335👍, 0💬

What Are the System Predefined User Roles
What Are the System Predefined User Roles? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges Oracle 10g XE comes with 3 predefined roles: CONNECT - Enables a user to connect to the database. Grant this role to any user or application that needs database access. RESOURCE - Enabl...
2007-05-02, 5332👍, 0💬

Are Java and JavaScript the Same?
Are Java and JavaScript the Same? No. java and JavaScript are two different languages. Java is a powerful object - oriented programming language like C++ and C, whereas Javascript is a client-side scripting language.
2008-07-17, 5330👍, 0💬

How To Revoke CREATE SESSION Privilege from a User
How To Revoke CREATE SESSION Privilege from a User? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges If you take away the CREATE SESSION privilege from a user, you can use the REVOKE command as shown in the following example script: >.\bin\sqlplus /nolog SQL> connect SYSTEM/fy...
2007-05-01, 5324👍, 0💬

What Is Rollback
What Is Rollback? Rollback causes work in the current transaction to be undone.
2007-04-15, 5322👍, 0💬

Inner Class Declared inside a Method
Can an inner class declared inside of a method access local variables of this method? It's possible if these variables are final.
2007-03-03, 5315👍, 0💬

What Is Oracle
What Is Oracle? - Oracle DBA FAQ - Oracle Basic Concepts Oracle is a company. Oracle is also a database server, which manages data in a very structured way. It allows users to store and retrieve related data in a multiuser environment so that many users can concurrently access the same data. All thi...
2007-04-21, 5314👍, 0💬

What Is SGML
What is SGML? SGML is the Standard Generalized Markup Language (ISO 8879:1986), the international standard for defining descriptions of the structure of different types of electronic document. There is an SGML FAQ from David Megginson at http://math.albany.edu:8800/hm /sgml/cts-faq.htmlFAQ;and Robin...
2007-04-11, 5314👍, 0💬

What Is SQL
What Is SQL? Structured Query Language (SQL) is the most popular computer language used to create, retrieve, update and delete data from relational database management systems. SQL has been standardized by both ANSI and ISO.
2007-04-15, 5308👍, 0💬

How to Accessing HTML Elements using javascript?
How to Accessing HTML Elements using javascript? To do something interesting with HTML elements, we must first be able to uniquely identify which element we want. In the example below: &lt;body> &lt;form action=""> &lt;input type="button" id="useless" name="mybutton" value="doNothing" />...
2008-09-23, 5302👍, 0💬

What is Absolute expiration and Sliding expiration?
.NET INTERVIEW QUESTIONS - What is Absolute expiration and Sliding expiration? Absolute Expiration allows one to specify the duration of the cache, starting from the time the cache is activated. The following example shows that the cache has a cache dependency specified, as well as an expiration tim...
2009-07-28, 5298👍, 0💬

What is System Global Area (SGA)
What is System Global Area (SGA)? - Oracle DBA FAQ - Oracle Basic Concepts The System Global Area (SGA) is a memory area that contains data shared between all database users such as buffer cache and a shared pool of SQL statements. The SGA is allocated in memory when an Oracle database instance is s...
2007-04-21, 5296👍, 0💬

NullPointerException on String Objects
What can go wrong if you replace &emp;&emp; with &emp; in the following code: String a=null; if (a!=null &amp;&amp; a.length()&gt;10) { ... } A single ampersand here would lead to a NullPointerException.
2007-03-03, 5291👍, 0💬

What is Query String and What are benefits and limitations of using Query Strings?
.NET INTERVIEW QUESTIONS - What is Query String and What are benefits and limitations of using Query Strings? A query string is information sent to the server appended to the end of a page URL. Following are the benefits of using query string for state management:- * No server resources are required...
2009-07-28, 5290👍, 0💬

JSP Scripting Elements
How many JSP scripting elements and what are they? There are three scripting language elements: declarations scriptlets expressions
2007-04-03, 5289👍, 0💬

here is version information stored in an assembly ?
.NET INTERVIEW QUESTIONS - Where is version information stored in an assembly ? Version information is stored in assembly in manifest.
2010-03-09, 5288👍, 0💬

I want to use the Win32 API function .....
When we use windows API in Dot Net? I want to use the Win32 API function : SendMessageToDescendants I want to use it in a VB.Net app, but I have a few questions..... 1) Can one use Win32 API functions in VB.Net 2) Is doing so a "no no" 3) are VB.Net windows, underneath the covers, Win32 windows? and...
2009-03-06, 5281👍, 0💬

Browser Redirect in JSP Pages
How do I perform browser redirection from a JSP page? You can use the response implicit object to redirect the browser to a different resource, as: response.sendRedirect("http:// interview.fyicenter.com/");
2007-04-03, 5281👍, 0💬

What is the data types of variables of in JavaScript?
What is the data types of variables of in JavaScript? Number, String, Boolean, Function, Object, Null, Undefined.
2008-06-24, 5280👍, 0💬

Extract a specific attribute from an element using XSLT
Using XSLT, how would you extract a specific attribute from an element in an XML document? Successful candidates should recognize this as one of the most basic applications of XSLT. If they are not able to construct a reply similar to the example below, they should at least be able to identify the c...
2007-04-11, 5279👍, 0💬

What are scalar data and scalar variables
What are scalar data and scalar variables? Perl has a flexible concept of data types. Scalar means a single thing, like a number or string. So the Java concept of int, float, double and string equals to Perl\'s scalar in concept and the numbers and strings are exchangeable. Scalar variable is a Perl...
2007-11-20, 5276👍, 0💬

What are the ways to emit client-side JavaScript from server-side code in ASP.NET?
What are the ways to emit client-side JavaScript from server-side code in ASP.NET? The Page object in ASP.NET has two methods that allow emitting of client-side JavaScript: RegisterClientScriptBlock and RegisterStartupScript. Example usage: Page.RegisterClientScriptBlock ("ScriptKey","&lt;script...
2008-08-05, 5275👍, 0💬

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