devxlogo

We are an award-winning tech entrepreneurship website where trusted experts can provide value globally.

Since 1998, DevX has helped people start businesses, build websites, and provide enterprise technology to people globally. Interviewing the likes of Microsoft’s co-founder, Steve Ballmer, the publication brings comprehensive, reliable, and accessible insights to the Internet.

devxlogo

Trusted for 26 years

Over 30K Articles

1M+ Readers

Expert-reviewed

10K+ Tech Terms

As seen in:

microsoft logo
business_insider_logo
wired_logo
berkley
arstechnica_logo
hackernoon

The Latest

Creating a report/file of info about each LAN user

Question: I’ve inherited responsibility for a NetWare 3.11 LAN with 200+ users. How can I create a report/file that will provide me detailed information regarding each user, which groups he/she

What is the anatomy of an IP datagram?

Question: What is the anatomy of an IP datagram? Answer: The minimum length of the IP header is 20 bytes.Version:Four bits are reserved for the IP version information. We are

OSPF — Open Shortest Path First

Question: OSPF — Open Shortest Path First — the mechanism behind this link state routing protocol Answer: OSPF is an IP routing protocol. It is registered with the Network Information

Linking LANs/workgroups together

Question: What is the simplest way to physically link two separate local networks comprised of an NT 4.0 server, individual demarcation point and hub, and 1 Mac OS Server Network,

Integer input

Question: What’s the best way to read in an integer fromthe keyboard for further use? Answer: You can probably find numerous examples of this by browsing through theJava section here

DELETE FROM With a Subquery

Question: How can I delete all data from a table using a join?For example, the SELECT statement would be: SELECT * FROM Master AS A, Detail AS B WHERE A.price

Java:java.lang.ClassFormatError

Question: What does it mean when I receive the Java:java.lang.ClassFormatError?I get it whenever I try to implement a ready-made Javaapplication onto my Web site. Answer: The ClassFormatError is thrown whenever

Which browsers support the JDK1.1 or JDK1.1.1?

Question: I want to run my applet on a browser, but I do notknow which versions of the following browsers cansupport programs made by JDK1.1 or JDK1.1.1. 1. Netscape: Which

Saving RichTextBox as Plain Text

Question: How can I output straight ASCII text from the Rich Text Box control, and NOT Rich text? Answer: The SaveFile method of the RichTextBox control can be called with

Logging users’ e-mail addresses

Question: Is there a way to log my users’ e-mail addresses using Java? I thought of using a mailto form but the user would have to press a button, making

Basic Java Syntax

Question: Here’s some basic Java syntax, with explanations: Answer: OBJECTS, CLASSES and INSTANCESA Java object is a container that holds variables and functions (Java programmers call functions “methods”). Since (references

Which are the VRML 2.0 compatible browsers?

Question: Can you just bring me up to date on which are the VRML 2.0 compatible browsers? Answer: Oz’s Oz Virtual Sony’s Community Place InterVista’s WorldView RealSpace’s RealVR Traveler Newfire’s

Careers in SQL

Question: Having programmed in Dbase III Plus and FoxPro for Windows, I have enjoyed working with databases. Do you feel that SQL would be the next logical choice as far

Delphi

Question: What’s the diference between SDI and MDI Applications? Answer: An SDI, or single document interface,application has a single, floating menu bar. Each form in the applicationhas its own window,

OPO Performance

Question: I am having a hard time getting my OPO application to show decent performance. It’s running on a 32MB Win3.1 PC, and queries a Solaris x86 Oracle Server using

ODBC/Oracle Lite tables

Question: In OPO v1.0, it was impossible to redefine a table in a BLAZE database. I assumed this would not be the case with an Oracle Lite database and OPO

Loading Text file into Oracle Lite Table

Question: Is it possible to use the text ODBC driver in OPO v2.0 for this purpose by opening two sessions — one connected to an Olite database while the other

Enabling and disabling fields in a repeater

Question: Is there a way to enable and disable fields inside a repeater display depending on the values of fields on the master form?I have tried it various ways (on

Executing SQL by attaching code to click() method

Question: Power Objects to Oracle 7 server query…I thought this would be straightforward. I havea simple query to perform when the button isclicked — find and load info. on this

Converting various databases to Oracle 7.3

Question: I have a number of databases – filemaker, DBase, ASCII and CAD drawings. We want to convert everything to one database. Is this possible? What are some initial steps