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How Many Types of Tables Supported by Oracle
How Many Types of Tables Supported by Oracle? - Oracle DBA FAQ - Managing Oracle Database Tables Oracle supports 4 types of tables based on how data is organized in storage: Ordinary (heap-organized) table - This is the basic, general purpose type of table. Its data is stored as an unordered collect...
2016-11-18, 6593👍, 1💬

💬 2016-11-18 ahsan: klujj

How To Calculate Expressions with SQL Statements
How To Calculate Expressions with SQL Statements? - MySQL FAQs - Introduction to SQL Basics There is no special SQL statements to calculate expressions. But you can use the "SELECT expression FROM DUAL" statement return the calculated value of an expression. "DUAL" is a dummy table in the server. Th...
2016-11-09, 4758👍, 1💬

💬 2016-11-09 lux: good

Contents of test plan
What is the test plan? What are its contents? Test plan document is prepared by the test lead or team lead, it contains the contents like introduction, objectives, test strategy, scope, test items, program modules, user procedures, features to be tested, features not to tested, approach, pass or fai...
2016-10-22, 681👍, 1💬

💬 2016-10-22 Jazz: Test plan document is prepared by the test lead or team lead, ... [Answer accepted].

Which JavaScript file is referenced for validating the validators at the client side
Which JavaScript file is referenced for validating the validators at the client side ? WebUIValidation.js javascript file installed at “aspnet_client” root IIS directory is used to validate the validation controls at the client side
2016-07-17, 4657👍, 1💬

💬 2016-07-17 sdfdsfd: ssd

How To Export Your Connection Information to a File
How To Export Your Connection Information to a File? - Oracle DBA FAQ - Introduction to Oracle SQL Developer SQL Developer allows you to export your connection information into an XML file. Here is how to do this: Right-click on Connections Select Export Connection... Enter File Name as: \temp\conne...
2016-07-11, 24475👍, 1💬

💬 2013-03-06 sulochana: Thank you.. It helped me

How To Increment Dates by 1
How To Increment Dates by 1? - Oracle DBA FAQ - Understanding SQL Basics If you have a date, and you want to increment it by 1. You can do this by adding the date with a date interval. You can also do this by adding the number 1 directly on the date. The tutorial example below shows you how to addin...
2016-07-06, 24656👍, 1💬

💬 2016-07-06 Julie: Good to know. Thanks.

💬 2010-10-11 Coleen: I have an Oracle table with a column (seq_num) that needs to populated with sequential nbrs based on a group. For example, I hav...

File Upload Handling - Getting Uploaded File Information
How To Get the Uploaded File Information in the Receiving PHP Script? Once the Web server received the uploaded file, it will call the PHP script specified in the form action attribute to process them. This receiving PHP script can get the uploaded file information through the predefined array calle...
2016-06-30, 6515👍, 2💬

How To Retrieve Input Values for Checkboxes Properly
How To Retrieve Input Values for Checkboxes Properly? - PHP Script Tips - Processing Web Forms If multiple input values are submitted with the same field name, like the case of a group of checkboxes, you should add ([]) to the end of the field name. This tells the PHP engine that multiple values are...
2016-06-26, 10460👍, 1💬

💬 2016-06-26 Donald: Thanks.

Java String Interview Question
If we have the following in a Java code: String s="abc"; String s2="abc"; Then what will be output of: System.out.println("s.equals(s 2)= "+s.equals(s2)); System.out.println("s==s2 = "+(s==s2)); The correct answer is: s.equals(s2) = true s==s2 = true The following answer is wrong. Because both liter...
2016-06-26, 11159👍, 2💬

💬 2011-01-25 FYIcenter.com: Hi Kevin, Thanks. Answer updated.

💬 2011-01-17 Kevin McLain: This answer is wrong! String literals are interned by the VM this both will print true

About interview.FYIcenter.com
interview.FYIcenter.com offers a collections of interview questions and answers for software and Web developers.
2016-06-25, 6476👍, 0💬

Creating a New Thread
How to create a thread in a program? You have two ways to do so. First, making your class "extends" Thread class. Second, making your class "implements" Runnable interface. Put jobs in a run() method and call start() method to start the thread.
2016-06-25, 427443👍, 8💬

💬 2016-06-25 Ron: You can also create an anonymous class and run it: Thread t = new Thread() { public void run() { // do whatever you want } }; t....

💬 2013-10-02 drinkin: This unmistakably created an audience for books fact that consciously offered the grand design models

💬 2013-07-23 XRumerTest: Hello. And Bye.

(More comments ...)

How many JSP scripting elements and what are they?
How many JSP scripting elements and what are they? There are three scripting language elements: --declarations --scriptlets --expressions
2016-06-25, 1807👍, 1💬

💬 2016-06-25 saidesh: Jsp scripting elements are three types: Declaration, Expression, Scriptlet.

What Are the Differences between CHAR and NCHAR
What Are the Differences between CHAR and NCHAR? - Oracle DBA FAQ - Understanding SQL Basics Both CHAR and NCHAR are fixed length character data types. But they have the following differences: CHAR's size is specified in bytes by default. NCHAR's size is specified in characters by default. A charact...
2016-06-25, 4207👍, 0💬

In a call to malloc, what does an error like
In a call to malloc, what does an error like ``Cannot convert `void *' to `int *''' mean? It means you're using a C++ compiler instead of a C compiler.
2016-06-21, 256👍, 0💬

I see code like ...
I see code like char *p = malloc(strlen(s) + 1); strcpy(p, s); Shouldn't that be malloc((strlen(s) + 1) * sizeof(char))? It's never necessary to multiply by sizeof(char), since sizeof(char) is, by definition, exactly 1. (On the other hand, multiplying by sizeof(char) doesn't hurt, and in some circum...
2016-06-21, 222👍, 0💬

I wrote a little wrapper around malloc ...
I wrote a little wrapper around malloc, but it doesn't work: #include lt;stdio.h> #include lt;stdlib.h> mymalloc(void *retp, size_t size) { retp = malloc(size); if(retp == NULL) { fprintf(stderr, "out of memory\n"); exit(EXIT_FAILURE); } } Are you sure the function initialized what you thought it di...
2016-06-10, 253👍, 0💬

I im trying to declare a pointer and allocate some space for it
I'm trying to declare a pointer and allocate some space for it, but it's not working. What's wrong with this code? char *p; *p = malloc(10); The pointer you declared is p, not *p. When you're manipulating the pointer itself (for example when you're setting it to make it point somewhere), you just us...
2016-06-10, 282👍, 0💬

What is wrong with this initialization?
What's wrong with this initialization? char *p = malloc(10); My compiler is complaining about an ``invalid initializer'', or something. Is the declaration of a static or non-local variable? Function calls are allowed in initializers only for automatic variables (that is, for local, non-static variab...
2016-06-03, 258👍, 0💬

How can I shut off the warning: possible pointer alignment problem ...
How can I shut off the ``warning: possible pointer alignment problem'' message which lint gives me for each call to malloc? A modern lint shouldn't be complaining about this. Once upon a time, lint did not and could not know that malloc ``returns a pointer to space suitably aligned for storage of an...
2016-06-03, 257👍, 0💬

How can I dynamically allocate arrays?
How can I dynamically allocate arrays? The equivalence between arrays and pointers allows a pointer to malloc'ed memory to simulate an array quite effectively. After executing #include <stdlib.h> int *dynarray; dynarray = malloc(10 * sizeof(int)); (and if the call to malloc succeeds), you can ref...
2016-04-23, 341👍, 0💬

How can I find out how much memory is available?
How can I find out how much memory is available? Your operating system may provide a routine which returns this information, but it's quite system-dependent. (Also, the number may vary over time.) If you're trying to predict whether you'll be able to allocate a certain amount of memory, just try it-...
2016-04-23, 304👍, 0💬

Return a null pointer or a pointer to 0 bytes? .....
What should malloc(0) do? Return a null pointer or a pointer to 0 bytes? The ANSI/ISO Standard says that it may do either; the behavior is implementation-defined ortable code must either take care not to call malloc(0), or be prepared for the possibility of a null return.
2016-04-21, 334👍, 0💬

I have heard that some operating systems dont actually allocate...
I've heard that some operating systems don't actually allocate malloc'ed memory until the program tries to use it. Is this legal? It's hard to say. The Standard doesn't say that systems can act this way, but it doesn't explicitly say that they can't, either. (Such a ``deferred failure'' implementati...
2016-04-21, 325👍, 0💬

malloc is returning crazy pointer values ...
malloc is returning crazy pointer values, I have included the line extern void *malloc(); before I call it. malloc accepts an argument of type size_t, and size_t may be defined as unsigned long. If you are passing ints (or even unsigned ints), malloc may be receiving garbage (or similarly if you are...
2016-04-15, 335👍, 0💬

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