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I have seen function declarations that look like this
I've seen function declarations that look like this: extern int func __((int, int)); What are those extra parentheses and underscores for? They're part of a trick which allows the prototype part of the function declaration to be turned off for a pre-ANSI compiler. Somewhere else is a conditional def... 2015-05-23, 1867👍, 0💬

On order to get assembly info which namespace we should import?
On order to get assembly info which namespace we should import? System.Reflection Namespace 2014-09-08, 1867👍, 0💬

Why can I only seem to malloc 640K or so?. .....
I've got 8 meg of memory in my PC. Why can I only seem to malloc 640K or so?. Under the segmented architecture of PC compatibles, it can be difficult to use more than 640K with any degree of transparency, especially under MS-DOS. 2016-04-12, 1865👍, 0💬

Can you give an example of what might be best suited to place in the Application_Start and Session_Start subroutines?
Can you give an example of what might be best suited to place in the Application_Start and Session_Start subroutines? The Application_Start event is guaranteed to occur only once throughout the lifetime of the application. It’s a good place to initialize global variables. For example, you might w... 2014-01-21, 1865👍, 0💬

Name some of the languages .NET support?
Name some of the languages .NET support? Some of the languages that are supported by .NET 1. Visual Basic.NET 2. Visual C# 3. Visual C++ 2013-12-10, 1865👍, 0💬

What is the difference between boxing and unboxing?
What is the difference between boxing and unboxing? Boxing allows us to convert value types to reference types. Basically, the runtime creates a temporary reference-type box for the object on heap. Eg: int i=20; object o=i; 2014-02-13, 1863👍, 0💬

How do you create a permanent cookie?
How do you create a permanent cookie? Setting the Expires property to MinValue means that the Cookie never expires. 2014-02-04, 1863👍, 0💬

The method that need to be invoked on the DataAdapter control to load the generated dataset with data is
The method that need to be invoked on the DataAdapter control to load the generated dataset with data is The method that need to be invoked on the DataAdapter control to load the generated dataset with data is * Bind() * Fill() * FillData() * SetData() Fill() 2014-07-24, 1862👍, 0💬

What’s SingleCall activation mode used for?
What’s SingleCall activation mode used for? If the server object is instantiated for responding to just one single request, the request should be made in SingleCall mode. 2013-11-14, 1862👍, 0💬

I am allocating structures which contain pointers to other dynamically ....
I'm allocating structures which contain pointers to other dynamically-allocated objects. When I free a structure, do I also have to free each subsidiary pointer? Yes. malloc knows nothing about structure declarations or about the contents of allocated memory; it especially does not know whether allo... 2016-03-31, 1857👍, 0💬

What is the difference between memcpy and memmove?
What is the difference between memcpy and memmove? memmove offers guaranteed behavior if the memory regions pointed to by the source and destination arguments overlap. memcpy makes no such guarantee, and may therefore be more efficiently implementable. When in doubt, it's safer to use memmove. It se... 2015-07-16, 1857👍, 0💬

re-clarification of object based:
re-clarification of object based: VB6 DOES support polymorphism and interface inheritance. It also supports the “Implements” keyword. What is not supported in vb6 is implementation inheritance. Also, from above, vb6 DOES “provides access to third-party controls like COM, DCOM ” That is ... 2013-12-03, 1857👍, 0💬

What is a good way to implement complex numbers in C?
What is a good way to implement complex numbers in C? It is straightforward to define a simple structure and some arithmetic functions to manipulate them. C99 supports complex as a standard type. Here is a tiny example, to give you a feel for it: typedef struct { double real; double imag; } complex;... 2015-06-19, 1856👍, 0💬

What are remotable objects in .NET Remoting?
What are remotable objects in .NET Remoting? Remotable objects are the objects that can be marshaled across the application domains. You can marshal by value, where a deep copy of the object is created and then passed to the receiver. You can also marshal by reference, where just a reference to an e... 2013-11-12, 1856👍, 0💬

Explain assemblies.
Explain assemblies. Answer 1: Assemblies are similar to dll files. Both has the reusable pieces of code in the form of classes/ functions. Dll needs to be registered but assemblies have its own metadata. Answer 2: Assembly is a single deployable unit that contains information about the implementatio... 2013-12-09, 1855👍, 0💬

In what order do the events of an ASPX page execute. As a developer is it important to undertsand these events?
In what order do the events of an ASPX page execute. As a developer is it important to undertsand these events? Every Page object (which your .aspx page is) has nine events, most of which you will not have to worry about in your day to day dealings with ASP.NET. The three that you will deal with the... 2014-01-27, 1854👍, 0💬

You cant use dynamically-allocated memory after you free it?
You cant use dynamically-allocated memory after you free it? No. Some early documentation for malloc stated that the contents of freed memory were ``left undisturbed,'' but this ill-advised guarantee was never universal and is not required by the C Standard. Few programmers would use the contents of... 2016-04-04, 1853👍, 0💬

Why isn't a pointer null after calling free? ...
Why isn't a pointer null after calling free? How unsafe is it to use (assign, compare) a pointer value after it's been freed? When you call free, the memory pointed to by the passed pointer is freed, but the value of the pointer in the caller probably remains unchanged, because C's pass-by-value sem... 2016-04-04, 1853👍, 0💬

Can you configure a .NET Remoting object via XML file?
Can you configure a .NET Remoting object via XML file? Yes, via machine.config and application level .config file (or web.config in ASP.NET). Application-level XML settings take precedence over machine.config. 2013-11-18, 1853👍, 0💬

What namespaces are necessary to create a localized application?
What namespaces are necessary to create a localized application? What namespaces are necessary to create a localized application? * System.Globalization * System.Globalization and System.Resources. * System.Resources. * System.Array System.Resources 2014-06-27, 1851👍, 0💬

When displaying fonts, what’s the difference between pixels, points and ems?
When displaying fonts, what’s the difference between pixels, points and ems? A pixel is the lowest-resolution dot the computer monitor supports. Its size depends on user’s settings and monitor size. A point is always 1/72 of an inch. An em is the number of pixels that it takes to display the l... 2013-11-25, 1851👍, 0💬

What is the difference between calloc and malloc? ....
What's the difference between calloc and malloc? Which should I use? Is it safe to take advantage of calloc's zero-filling? Does free work on memory allocated with calloc, or do you need a cfree? calloc(m, n) is essentially equivalent to p = malloc(m * n); memset(p, 0, m * n); There is no important ... 2016-03-16, 1849👍, 0💬

What is assembly?
What is assembly? It is a single deployable unit that contains all the information abt the implimentation of classes , stuctures and interfaces 2013-12-05, 1848👍, 0💬

Can the validation be done in the server side? Or this can be done only in the Client side?
Can the validation be done in the server side? Or this can be done only in the Client side? Client side is done by default. Server side validation is also possible. We can switch off the client side and server side can be done. 2014-01-14, 1847👍, 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