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How can I use a macro argument inside a string literal in the macro expansion?
How can I use a macro argument inside a string literal in the macro expansion? Some pre-ANSI compilers/preprocessors interpreted macro definitions like #define TRACE(var, fmt) printf("TRACE: var = fmt\n", var) such that invocations like TRACE(i, %d); were expanded as printf("TRACE: i = %d\n", i); In... 2016-01-22, 1927👍, 0💬

How can I open files mentioned on the command line, and parse option flags?
How can I open files mentioned on the command line, and parse option flags? Here is a skeleton which implements a traditional Unix-style argv parse, handling option flags beginning with -, and optional filenames. (The two flags accepted by this example are -a and -b; -b takes an argument.) #include ... 2015-03-11, 1926👍, 0💬

The predefined constant M_PI seems to be missing from my machines copy of math.h.
The predefined constant M_PI seems to be missing from my machines copy of math.h. That constant (which is apparently supposed to be the value of pi, accurate to the machine's precision), is not standard; in fact a standard-conforming copy of should not #define a symbol M_PI. If you need pi, you'll h... 2015-06-24, 1925👍, 0💬

Why doesnt the call scanf work?
Why doesn't the call scanf("%d", i) work? The arguments you pass to scanf must always be pointers: for each value converted, scanf ``returns'' it by filling in one of the locations you've passed pointers to. To fix the fragment above, change it to scanf("%d", &i) . 2015-11-02, 1920👍, 0💬

How to find the SQL server version from Query Analyser
How to find the SQL server version from Query Analyser Answer1 To determine which version of Microsoft SQL Server 2005 is running, connect to SQL Server 2005 by using SQL Server Management Studio, and then run the following Transact-SQL statement: SELECT SERVERPROPERTY(’productversi on’),SERVE... 2014-10-08, 1920👍, 0💬

How do you call and execute a Stored Procedure in.NET? Give an example.
How do you call and execute a Stored Procedure in.NET? Give an example. Answer1 ds1=new DataSet(); sqlCon1=new SqlConnection(connectionstring );String strCom1=”byroyalty”; sqlCom1=new SqlCommand(strCom1,sqlCon1); sqlCom1.CommandType=CommandTyp e.StoredProcedure;sqlDa1=new SqlDataAdapter(sqlCom... 2014-09-15, 1920👍, 0💬

What are good ADO.NET object(s) to replace the ADO Recordset object?
What are good ADO.NET object(s) to replace the ADO Recordset object? The differences includes In ADO, the in-memory representation of data is the recordset. In ADO.net, it is the dataset A recordset looks like a single table in ADO In contrast, a dataset is a collection of one or more tables in ADO.... 2014-09-08, 1918👍, 0💬

Where do you store the information about the user’s locale?
Where do you store the information about the user’s locale? System.Web.UI.Page.Culture 2014-03-05, 1915👍, 0💬

I thought that ANSI function prototypes were supposed to guard against argument type mismatches.
I thought that ANSI function prototypes were supposed to guard against argument type mismatches. When a function accepts a variable number of arguments, its prototype does not (and cannot) provide any information about the number and types of those variable arguments. Therefore, the usual protection... 2015-11-06, 1913👍, 0💬

How do we upgrade SQL Server 7.0 to 2000?
How do we upgrade SQL Server 7.0 to 2000? Run the installation of the SQL Server 2000 In the Existing Installation dialog box, click Upgrade your existing installation, and then click Next. In the Upgrade dialog box, you are prompted as to whether you want to proceed with the requested upgrade. Clic... 2014-10-31, 1913👍, 0💬

Why The JavaScript Validation Not Run on the Asp.Net Button But Run SuccessFully On The HTML Button
Why The JavaScript Validation Not Run on the Asp.Net Button But Run SuccessFully On The HTML Button The Asp.Net Button Is post backed on the server & not yet Submit & when It goes to the server its states is lost So if we r using javascript in our application so we always use the Input Butto... 2013-12-16, 1911👍, 0💬

Which is the correct statement to set the alias name for namespace in C#?
Which is the correct statement to set the alias name for namespace in C#? Which is the correct statement to set the alias name for namespace in C#? * using System Data.OracleClient = aliasName; * using aliasName = System.Data.OracleClient; * string aliasName = using.System.Data.OracleClient ;* Both ... 2014-07-28, 1909👍, 0💬

State True or False: Static method cannot be overridden: * True or * False
State True or False: Static method cannot be overridden: * True or * False True 2014-06-20, 1909👍, 0💬

What is namespaces?
What is namespaces? It is a logical group of related classes and interfaces and that can be used byany language targeting the .net framework. 2013-12-06, 1908👍, 0💬

How do you find the error, how can you know the number of rows affected by last SQL Statement?
How do you find the error, how can you know the number of rows affected by last SQL Statement? Answer1 @@errors-&gt;give the last error occured in the current DB. Ans. select @@rowcount Answer2. Use @@ERROR which returns the error number for the last Transact-SQL statement executed fro knowing t... 2014-11-03, 1904👍, 0💬

How to manage pagination in a page?
How to manage pagination in a page? Using pagination option in DataGrid control. We have to set the number of records for a page, then it takes care of pagination by itself. 2013-10-02, 1899👍, 0💬

How does the lifecycle of Windows services differ from Standard EXE?
How does the lifecycle of Windows services differ from Standard EXE? Windows services lifecycle is managed by “Service Control Manager” which is responsible for starting and stopping the service and the applications do not have a user interface or produce any visual output, but “Standard e... 2014-02-28, 1896👍, 0💬

Difference between Class And Interface
Difference between Class And Interface Class is logical representation of object. It is collection of data and related sub procedures with defination. Interface is also a class containg methods which is not having any definations. Class does not support multiple inheritance. But interface can suppor... 2013-12-04, 1896👍, 0💬

Difference Abstract class and Interface
Difference Abstract class and Interface Abstract class: This class has abstract methods (no body). This class cannot be instantiated. One needs to provide the implementation of the methods by overriding them in the derived class. No Multiple Inheritance. Interfaces: Interface class contains all abst... 2013-12-03, 1896👍, 0💬

How can I write a generic macro to swap two values?
How can I write a generic macro to swap two values? There is no good answer to this question. If the values are integers, a well-known trick using exclusive-OR could perhaps be used, but it will not work for floating-point values or pointers, or if the two values are the same variable. If the macro ... 2016-02-24, 1895👍, 0💬

When we go for html server controls and when we go for web server controls?
When we go for html server controls and when we go for web server controls? Server controls are a part of ASP.net. When a server control is used there will be an extra overhead on the server to create the control at runtime and accordingly set the values. HTML controls are static controls and are ea... 2014-01-07, 1894👍, 0💬

What’s Singleton activation mode?
What’s Singleton activation mode? A single object is instantiated regardless of the number of clients accessing it. Lifetime of this object is determined by lifetime lease. 2013-11-15, 1890👍, 0💬

How does you handle this COM components developed in other programming languages in.NET?
How does you handle this COM components developed in other programming languages in.NET? Answer1: add the component in add reference window, click .NETCOM tab. Answer1: While adding the refferences we can handle the COM components in other .Net programming languages. 2014-11-12, 1885👍, 0💬

Why does the ANSI Standard place limits on the length and case-significance of external identifiers?
Why does the ANSI Standard place limits on the length and case-significance of external identifiers? The problem is linkers which are under control of neither the ANSI/ISO Standard nor the C compiler developers on the systems which have them. The limitation is only that identifiers be significant in... 2015-12-04, 1884👍, 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