SQL*Plus uses column names as default column headings while displaying query results. You can customize your own column heading and width with the help of following commands. To assign a
Suppose we have a class called A. A has a data member p which is a pointer to another object: class A{public: A() {p = new B[10];}private: int *p;}; We
Certain applications make use of very long strings. For example, a single string may contain generated HTML pages, a chapter of a book, a textual database and so on. Usually,
Although you can declare an entire class a friend of another class, like this: class A{ friend class B; //B has access to every member of A //..}; However, in
Java containers have a mechanism to prevent more than one process from modifying the contents of a container. The problem occurs if you Related Posts SQL Not Equal To OperatorIRS
When displaying a recordset in a table with a border, if there is no data returned for a cell, the borders will not show up around that cell. To alleviate
Below is an example of passing in parameters when calling a stored procedure from an ASP page. Related Posts Kubernetes Logging: What You Need to KnowThe Importance of Red Teaming
When you extend a class and override a method, Java insists that the new method cannot be declared as throwing checked exceptions of classes other than those that were declared
When a connection is created using JDBC, by default it is in auto-commit mode. This means that each SQL statement is treated as a transaction and will be automatically committed
Often, while developing a system, you need to put a lot of debug statements in the code, all which have to be commented/removed before delivering the application. There’s a class
When you Related Posts Is Your Fundraising Campaign Stalling? Here’s the Game-Changing Advice You NeedWhy XML Parsers Often Are Not Very UsefulSimple Annotation in JavaLegal Management Software for Aviation Law:
You can use the Dir( ) function to return a long filename, but the return does not include path information. By parsing a given short path/filename into its constituent directories,
Don Related Posts Nvidia’s significant growth driven by AI and GPU demandThe future of healthcare: Merging tech and biologyUsing the SQL LCASE FunctionCalculate the Distance Between Two Coordinates in C#Preventing
The Resource Editor add-in is useful for adding resource file text entries, but it doesn Related Posts Easy One-Step Process to Rename a Table in MySQLAdd Log4j2 in a Spring
Be aware that VB doesn Related Posts How To Transfer Data From Android To iPhoneAI-Powered XQ-58A Valkyrie Airplane Takes FlightApple’s Newest Changes: Don’t Miss Out!Understanding CopyOnWriteArrayListTop 5 Strategies to Combat
ADOLink is an ActiveX control that you can connect to an ADO MSData control that lets you store a link for external files on the database and open it, including
Public variables at module level are thread specific. Each new thread starts get a new fresh & uninitialized copy of such variables. All the activities that are born from the
When you decide to release a new version of an MTS/COM+ component you should take care of its compatibility with the previous version. There are three types of changes you
When you deploy COM objects in DLLs no security issues arise since DLLs run in the process of the caller. On the contrary, when you deploy your COM objects into
Consider this line of code: Dim x as Project1.Class1 Many developers think that we were declaring x as a “Project1.Class1” object. This is wrong. All object variables in VB are
A common question among VB developers is: Why is it dangerous the use of the New keyword in VB to create COM objects registered under MTS/COM+? The New keyword is
Some MTS/COM+ newbies wonder whether it is legal to store object variables in the SPM. No, you can’t!! the SPM is unaware of Apartment marshaling issues. If you ask the
Use this function to read a number decimal symbol from regional settings: Sub Form_Load()Dim DecS As StringDecS = ReadDecimalSymbol()End SubFunction ReadDecimalSymbol() As StringReadDecimalSymbol = Mid$(CStr(1.1), 2, 1)End Function Related Posts
Bundling functionality and program logic into an ActiveX DLL is an excellent form of encapsulation. But even when you expose functionality to your client application, you don Related Posts Gartner
eb applications today must often offer a convenience feature called automatic authentication?the ability to “remember” users between visits, so that they don’t have to log in for every visit to
++ class template header and implementation (skeleton) definitions are often hard to read, let alone to write. Especially when defining template classes that are derived from base template classes, I
Private Declare Function LoadLibrary Lib “kernel32.dll” Alias “LoadLibraryA” _ (ByVal Path As String) As LongPrivate Declare Function GetProcAddress Lib “kernel32.dll” (ByVal hModule As _ Long, ByVal ProcName As String) As
This is just another subclassing dll, similar to hundreds of components out there in the internet, but it comes with source code that you study and customize as you wish.
ebster’s Dictionary defines a fop as being synonymous with a “dandy,” a person (usually male) who spends an inordinate amount of time and effort on dress and appearance, sometimes to
n Part I of this article, you saw how to read and write the WBXML format. To use WBXML in any EDI scenario (such as database synchronization) you must be