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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, 9129👍, 1💬

💬 2016-11-09 lux: good

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, 9122👍, 1💬

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, 9099👍, 0💬

How can I implement a variable field width with printf?
How can I implement a variable field width with printf? That is, instead of something like %8d, I want the width to be specified at run time. printf("%*d", width, x) will do just what you want. The asterisk in the format specifier indicates that an int value from the argument list will be used for t... 2021-01-21, 9096👍, 1💬

💬 2021-01-21 John Doe: Hello

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, 9064👍, 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, 9052👍, 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, 9045👍, 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, 9038👍, 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, 9018👍, 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, 9004👍, 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, 8988👍, 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, 8949👍, 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, 8938👍, 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, 8926👍, 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, 8917👍, 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, 8897👍, 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, 8893👍, 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, 8872👍, 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, 8865👍, 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, 8833👍, 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, 8832👍, 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, 8827👍, 0💬

System.setOut() - Setting Standard Console Output to
How could Java classes direct program messages to the system console, but error messages, say to a file? The class System has a variable out that represents the standard output, and the variable err that represents the standard error device. By default, they both connected to the system console. But... 2007-03-03, 8814👍, 0💬

How do I force the Dispose method to be called automatically , as clients can forget to call Dispose method
How do I force the Dispose method to be called automatically, as clients can forget to call Dispose method? Call the Dispose method in Finalize method and in Dispose method suppress the finalize method using GC.SuppressFinalize. Below is the sample code of the pattern. This is the best way we do cle... 2007-10-23, 8806👍, 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