.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

<< < … 157 158 159 160 161 162 163 164 165 166 167 … > >>   Sort: Date

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, 1879👍, 0💬

Why doesnt this code work?
Why doesn't this code: double d; scanf("%f", &amp;d); work? Unlike printf, scanf uses %lf for values of type double, and %f for float.%f tells scanf to expect a pointer-to-float, not the pointer-to-double you gave it. Either use %lf, or declare the receiving variable as a float. 2015-10-30, 1879👍, 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, 1879👍, 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, 1878👍, 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, 1878👍, 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, 1877👍, 0💬

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, 1876👍, 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, 1876👍, 0💬

Why doesnt long int work?
Why doesn't long int n = 123456; printf("%d\n", n); work? Whenever you print long ints you must use the l (lower case letter ``ell'') modifier in the printf format (e.g. %ld). printf can't know the types of the arguments which you've passed to it, so you must let it know by using the correct format ... 2015-11-09, 1875👍, 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, 1873👍, 0💬

How can I handle floating-point exceptions gracefully?
How can I handle floating-point exceptions gracefully? On many systems, you can define a function matherr which will be called when there are certain floating-point errors, such as errors in the math routines in . You may also be able to use signal to catch SIGFPE. 2015-06-21, 1872👍, 0💬

Why cant I pass a char to a function which expects a const char ?
Why cant I pass a char to a function which expects a const char ? You can use a pointer-to-T (for any type T) where a pointer-to-const-T is expected. However, the rule (an explicit exception) which permits slight mismatches in qualified pointer types is not applied recursively, but only at the top l... 2016-01-04, 1870👍, 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, 1870👍, 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, 1870👍, 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, 1869👍, 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, 1858👍, 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, 1858👍, 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, 1857👍, 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, 1849👍, 0💬

Is there any inbuilt paging (for example shoping cart, which will show next 10 records without refreshing) in ASP? How will you
Is there any inbuilt paging (for example shoping cart, which will show next 10 records without refreshing) in ASP? How will you do pating? Use DataGrid control which has in-built paging features for the purpose. 2014-09-26, 1847👍, 0💬

What are the different methods to access Database in .NET ?
What are the different methods to access Database in .NET ? What are the different methods to access Database in .NET ? * OleDB,ODBC,SQLClient * OleDB, JDBC, SQLServer * ODBC-JDBC, DataSet, SQLClient * Datasource, DataSet, DSN OleDB,ODBC,SQLClient 2014-07-17, 1846👍, 0💬

What should one do to make class serializable?
What should one do to make class serializable? Answers1: To make a class serializable is to mark it with the Serializable attribute as follows. [Serializable] public class MyObject { public int n1 = 0; public int n2 = 0; public String str = null; } 2013-12-26, 1845👍, 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, 1845👍, 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, 1843👍, 0💬

<< < … 157 158 159 160 161 162 163 164 165 166 167 … > >>   Sort: Date

.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