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If you try to use a DataList and some labels or text boxes linked to an ADO Data control, and you click on some items in the list, you’ll notice
A file DSN is nothing but a text file that contains all the parameters for an ODBC connection. To prove this, just go to the default directory that holds all
o briefly recap the situation I described in “All the Changes, All the Time: Part I“, my assignment was to capture all the changes being made in one database and,
Here is a little tip to check if any of your .class files are corrupted or if they are not .class files generated from a .java file. There
You can connect a MS-Access database to SQL Server as a linked server, and query Access tables in SQL Server’s Query Analyzer. This can help in porting data from Access
LIKE is probably the VB operator is most underutilized if compared to its potential. The most immediate use for this operator is to check that a string begins or ends
Constructor is a special kind of method which gets called automatically whenever the object is created. One class can have zero, 1 or more then 1constructors. Basically, you can overload
Question: I have several forms in different pages which are linked using a tab approach. I would like to pop-up a confirmation window if someone is moving from one tab
Question: Why is the following code not working? Javascripts January Februrary March 1 2 3 4 5 2000 2001 passdate1: January Februrary March 1 2 3 4 5 2000 2001
Question: How can I make different CSS styles to be loaded depending on the platform a user has (Mac or PC)? Answer: The simplest way to do this is to
It can be very useful to have a central public function for manipulating themouse pointer in a Visual Basic application. This function can help youorganize how the hourglass is shown
Always be careful when checking adoRS.Fields(i).Name, the stringfor this property is case sensitive. If in a database there’s a field named BANK_BALANCE_AMT,RS.Fields(i).Name will not recognize “bank_balance_amt”: In such a case
The standard locale framework was added to ANSI/ISO C++ in 1994. In essence, it consists of template classes called “locales”, which use facets. A facet represents a certain cultural convention
Consider the following class: class A{public: A(int size);private: int size;}; You can initialize the member size in at least three forms: A::A (int size) : size (size) { } //
Although you can allocate multidimensional arrays manually, as in: int (*ppi) [5]=new int[4][5]; // parentheses required // fill arrayppi[0][0] = 65;ppi[0][1] = 66;ppi[0][2] = 67;//
Remember that functions defined inside the class definition are implicitly inline. Therefore, the inline keyword is redundant in the definition of the member function of the following class: class Employee{public:
To copy the contents of one file into another, use the fstream classes. First, open the source file using an ifstream object, then create a target file using ofstream, and
Imagine you have an enormous object serialized on disk that you are using in memory, or that object is loaded in memory. You want to allow the garbage collector (GC)
One of the easier ways of implementing an event-driven programming model is through passing function pointers which are invoked when an event occurs. But because Java doesn’t support the notion
Debugging is a core part of application development in Java. Programmers tend to use System.out.println & System.err.println in the code everywhere, which becomes uncontrolled as the program evolves. This becomes
If you’ve tried using the Java Plugin to test your Applets and got a mysterious “Security Exception,” then you’ve run into a known, but unadvertised bug. For a complete description
Accessor methods are those methods which provide access to the values stored in instance field. Mutable objects are those objects which providen certains methods which can change the instance data
Question: Why does my if statement if (final == “NaN”) { window.alert(“You…are…a…dunce. Hit reload to try again.”);} fail to detect when final is “NaN”? It always goes straight on to
Question: Is there some way to write a function that converts a date that is in seconds since December 31, 1969, into a normal date format? Like this: date from
Question: When encrypted information is being interchanged between a client and a “secure” server through WAP, does the information ever lie decrypted on the WAP gateway or does the client
Question: How do I pass arguments from a Unix shell onto SQL for various SQL statements (e.g., select * from $tablename, create table $TABS, etc.)? Also, how do I get
Question: Is it possible to disable the user’s right click button using JavaScript? Answer: Is it possible? Yes. Oh, you wanted to know how to do it… Keep in mind,
Question: How do I make a child window go behind its parent window when a button is clicked? I know self.focus() brings a window forward. I need the opposite of
Question: How do I block an e-mail address from sending messages to our server? A former employee keeps sending messages from his outside account to our current employees. I have
Question: I am using onblur method on text fields. Based on Validation I want to put the focus back on field. function fldfocus(fldname) {if (navigator.appName==”Netscape”) {document.Layers[fldname].Focus();else {document.all[fldname].focus();}} On Netscape it











