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How can I construct preprocessor if expressions which compare strings?
How can I construct preprocessor if expressions which compare strings? You can't do it directly; preprocessor #if arithmetic uses only integers. An alternative is to #define several macros with symbolic names and distinct integer values, and implement conditionals on those: #define RED 1 #define BLU... 2016-02-05, 9271👍, 0💬

Which one of the following statements is TRUE in regard to overloading the ++ operator?
Which one of the following statements is TRUE in regard to overloading the ++ operator? 1 You cannot define a post-increment operator. 2 You cannot define a pre-increment operator 3 You cannot define both a pre-increment and post increment operator for a class. 4 You must use a dummy parameter to de... 2018-01-10, 9188👍, 1💬

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, 9187👍, 1💬

💬 2016-11-09 lux: good

What is a XML parser
What are the standard ways of parsing XML document? XML parser sits in between the XML document and the application who want to use the XML document. Parser exposes set of well defined interfaces which can be used by the application for adding, modifying and deleting the XML document contents. Now w... 2007-10-31, 9185👍, 0💬

Can you explain why your project needed XML
Can you explain why your project needed XML? Remember XML was meant to exchange data between two entities as you can define your user friendly tags with ease. In real world scenarios XML is meant to exchange data. For instance you have two applications who want to exchange information. But because t... 2007-10-31, 9111👍, 0💬

Can Static Variables Be Declared in Header Files
Can static variables be declared in a header file? You can't declare a static variable without defining it as well (this is because the storage class modifiers static and extern are mutually exclusive). A static variable can be defined in a header file, but this would cause each source file that inc... 2007-02-26, 9111👍, 0💬

How To Use an Array as a Queue
How To Use an Array as a Queue? - PHP Script Tips - PHP Built-in Functions for Arrays A queue is a simple data structure that manages data elements following the first-in-first-out rule. You use the following two functions together to use an array as a queue: array_push($array, $value) - Pushes a ne... 2007-04-21, 9101👍, 0💬

In below sample code if we create a object of class2 which constructor will fire first
In below sample code if we create a object of class2 which constructor will fire first? Public Class Class1 Sub New() End Sub End Class Public Class class2 Inherits Class1 Sub New() End Sub End Class 2007-10-23, 9100👍, 0💬

How To Enter Microseconds in SQL Statements
How To Enter Microseconds in SQL Statements? - MySQL FAQs - Introduction to SQL Date and Time Handling If you want to enter microseconds in a SQL statements, you can enter them right after the time string as a 6-digit number delimited with '.'. '0' will be padded to right if not enough digits. Here ... 2007-05-11, 9100👍, 0💬

What is Windows DNA architecture
What is Windows DNA architecture? Note :- If you have worked with classic ASP this question can come to you. The Windows Distributed interNet Applications Architecture (DNA) is a Microsoft blueprint for robust, scalable, distributed business software. Windows DNA has evolved over time and was not pr... 2007-10-24, 9052👍, 0💬

What is triple constraint triangle in project management
What is triple constraint triangle in project management ? Project Management triangle is depicted as Cost, Schedule and scope.These three aspects form the sides of triangle and the customer is the center point.As customer is always concerned about Cost,Scope and Schedule, so in order to get custome... 2007-10-30, 9040👍, 0💬

How was XML handled during COM times
How was XML handled during COM times? During COM it was done by using MSXML 4.0. So old languages like VB6, VC++ used MSXML 4.0 which was shipped with SP1( Service Pack 1). 2007-10-31, 9038👍, 0💬

How To Set Background to Transparent or Non-transparent
How To Set Background to Transparent or Non-transparent? - CSS Tutorials - HTML Formatting Model: Block, Inline and Floating Elements If you want to set the background of a block element to be transparent or non-transparent, you can use the background-color style property as shown below: {background... 2007-05-11, 9000👍, 0💬

Convert an integer or a float to a string
Does there exist any other function which can be used to convert an integer or a float to a string? Some implementations provide a nonstandard function called itoa(), which converts an integer to string. char *itoa(int value, char *string, int radix); DESCRIPTION - The itoa() function constructs a s... 2007-02-26, 8986👍, 0💬

How To Merge Cells in a Row
How To Merge Cells in a Row? - XHTML 1.0 Tutorials - Understanding Tables and Table Cells If you want to merge multiple cells horizontally in a row, you need to use the "colspan" attribute of in a "td" element. "colspan" allows you to specify how many cells you want to merge into this cell horizonta... 2007-05-11, 8984👍, 0💬

What is difference between ADPATCH and OPATCH ?
What is difference between ADPATCH and OPATCH ? # ADPATCH is utility to apply ORACLE application Patches whereas # OPATCH is utility to apply database patches 2011-12-29, 8975👍, 0💬

What are some advantages and disadvantages of Java Sockets
What are some advantages and disadvantages of Java Sockets? Advantages of Java Sockets: Sockets are flexible and sufficient. Efficient socket based programming can be easily implemented for general communications. Sockets cause low network traffic. Unlike HTML forms and CGI scripts that generate and... 2007-11-13, 8970👍, 0💬

How Large Can a Single Cookie Be
How Large Can a Single Cookie Be? - PHP Script Tips - Understanding and Managing Cookies How large can a single cookie be? The answer is depending what is the Web browser your visitor is using. Each browser has its own limit: Internet Explorere (IE): about 3904 bytes Mozilla FireFox: about 3136 byte... 2007-04-24, 8951👍, 0💬

Tag &lt;?= ... ?&gt; in PHP
What does a special set of tags &lt;?= and ?&gt; do in a PHP script page? &lt;?= expression ?&gt; allows you to output the value of the specified expression into the HTML document directly. 2006-09-01, 8928👍, 0💬

How To View All Columns in an Existing Table
How To View All Columns in an Existing Table? - Oracle DBA FAQ - Managing Oracle Database Tables If you have an existing table and want to know how many columns are in the table and how they are defined, you can use the system view USER_TAB_COLUMNS as shown in the following tutorial exercise: SQL> C... 2007-05-03, 8915👍, 0💬

What are unadjusted function points and how is it calculated?
What are unadjusted function points and how is it calculated? Unadjusted function points = ILF + EIF + EI + EQ + EO. Below is the table referred for getting ILF, EIF, EI, EQ and EO. 2007-10-30, 8885👍, 0💬

Explain simple Walk through of XmlReader
Explain simple Walk through of XmlReader ? In this section we will do a simple walkthrough of how to use the “XmlReader” class. Sample for the same is available in both languages (C# and VB.NET) which you can find in “WindowsApplicationXMLVBNET” and “WindowsApplicationCSharp” folders. Task is to l... 2007-10-31, 8882👍, 0💬

Math
Rachel opened her math book and found that the sum of the facing pages was 245. What pages did she open to? a. 122 and 123 b. 242 and 243 c. 16 and 17 d. 24 and 25 a. 2006-09-01, 8876👍, 0💬

Troubleshooting NullPointerException
What is NullPointerException and how to handle it? When an object is not initialized, the default value is null. When the following things happen, the NullPointerException is thrown: Calling the instance method of a null object. Accessing or modifying the field of a null object. Taking the length of... 2007-03-03, 8870👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML