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select Equivalent
Question: Is there any Java facility like the Unix select() system call that will wait until there is something to read from a file descriptor before the programmer does the
Question: I am writing a text search applet that searches through a text file loaded from the server. I am using StringTokenizer to isolate the individual words. The problem is
Question: I have defined a string variable using the following command: #define latinWord 64 char word[latinWord]; I want to use an If statment to see if the variable “word” is
Question: Is there an easy way to increase certain fields in tables working as a counter from a third table in a master/detail form? For example: Order Table Item Table
Question: What can I do to make cout output text appear in different colors? I’ve looked in the iomanip.h file and didn’t see anything, and the textcolor() function in conio.h
Question: How do I execute a batch file on an NT machine remotely from another Windows machine? Answer: You have a couple of choices, all from the NT Server Resource
Question: Is there any way to change a file’s last modification time from Java? Answer: It is not possible to alter the time of last modification in Java version before
Question: When I put my CD into my computer, it should start the programs automatically, but it don’t. I have to go to PROGRAMS to make it come up. Could
Question: I know I’m a bit behind, but I would like to know how to create C programs for use in Foxpro for DOS. I have Foxpro 2.6 with LCK,
Question: I am going to give a preview of a report for a user, but a small window with a printer icon shows on the top. I don’t want the
Question: I’m planning on using Visual Basic as a front end, but cannot decide on Access or FoxPro as the back end. Any big differences between the two? Answer: I
Question: I am looking for some way for ppl to sort info that I have in a table on my page. I have been told many many tiems that I
Question: How can I can reference the value of an object to use in a select statement? My statment is being used in a Visual Fox Pro application, andso far
DO recordsets have a handy little method called GetString that they inherited from RDO’s GetClipString. GetString returns the contents of a recordset into a formatted string. Here are three useful
o write UDP clients and servers, you have to use the DatagramSocket class. UDP is a connectionless protocol, so a UDP server doesn’t have to perform an accept() operation the
Question: How can I implement a hash table such that each “bucket” is associated with two independent keys?I need to be able to store two data per bucket that are
If your Java program requires a large amount of memory, it’s possible that the virtual machine will begin to throw OutOfMemoryError instances when attempting to instantiate objects. In some cases,
Technically, neatness doesn’t count in the world of HTML source code. However, nicely formatted source code makes debugging easier and adds a professional touch to your work. That’s why HTML
It is common to have a Web page that calls itself. On this page, you may want to have many buttons that will each produce a different call. An example
Frequently, a Web page or an FTP site has protected areas open only to those with a valid login. As you browse to the page, a form appears querying the
Parsing text is a common, complex operation. For example, your application might need to allow users to enter text and then break the text into separate words or sentences for
The C++ Standard now allows initialization of const static data members of an integral type inside their class. #include class Buff{private: static const int MAX = 512; //definition static const
The Visual InterDev 6 OptionGroup design-time control (DTC) provides several properties that you can set. These properties include whether or not to add a border around the group and whether
There are so many tools and techniques to detect the client’s browser type. However, if you want a quick two-minute solution or you just want something simple, use this code
Operator new performs two operations: it allocates memory from the free store, and it constructs an object on the allocated memory. The allocated memory doesn’t leak when an exception is
The One Definition Rule (ODR) says that an inline function has to be identically defined in every translation unit in which it is used. Two definitions contained in different translation
One of the most powerful new features of JavaScript 1.2 is a set of objects and methods to provide regular expression functionality. Perl programmers have relied on regular expressions for
In Java, you can propagate checked exceptions up a class hierarchy in two ways. First, you can declare the exception in the “throws” clause of the enclosing method. Second, you
It is legal to call a function that may throw an exception inside a destructor. However, it is important to handle any exception that might be thrown from such a
Using public inheritance with two classes that do not fully comply with the is-a relation (although they are related to one another) is a common design mistake. For example, deriving
