TechDuke

Revisiting VB 6 after some time, today we are going to develop a chat tool–a simple client and server text.

You don’t have to be a Harry Potter fan to appreciate the hazards of time travel. Here are
some to be aware of:

Network performance problems are among the most difficult network problems to track down and solve.

The client would first need to make a connection to the access point.

One can apply AES in many different ways. The way that the 802.11i standard has chosen to apply AES is with CCMP

The Temporal key Integrity Protocol (TKIP) was an interim solution developed to fix the key reuse problem of WEP.

The Windows Vista edition you purchase determines its basic feature set

Windows experts often change display options for Windows Explorer so that it shows “super hidden” files—files with both the system and hidden attributes.

Because cookies—particularly the ones you intentionally allow your system to accept— are more likely to be beneficial than harmful, it’s smart to back them up from time to time.

Among diehard tweakers, the urge to squeeze out every last bit of performance from a computer is irresistible.

A hard disk cluttered with stuff you no longer need may or may not be an impediment to performance

A “fragmented” hard disk, in which large files are stored in discontiguous sectors, makes read and write heads work overtime and puts a drag on performance.

We love the new eye candy that comes courtesy of Windows Aero But candy is not free

A common performance problem occurs when Windows automatically loads an excessive number of programs at startup.

When you plug in a USB flash drive or other removable drive and specify you want to use it as a ReadyBoost device

ReadyBoost technology takes advantage of the fact that flash memory offers lower seek times than hard disks.

Physical memory might be the vital lubricant of a happily humming Windows machine

Random access memory (RAM) is the vital stuff that keeps Windows running smoothly.

One of the many advantages of choosing the NTFS file system over FAT32 is that it offers slick and essentially seamless on-the-fly compression.

The problem that many users have with startup programs is not creating them

One of the great things about shortcuts is that you can throw them out when they’re no longer needed.

The easiest ways to create a new shortcut are

The Radio Frequency Identification (RFID) concept has created some major privacy issues.

After confronting a war driver once, I asked him, “Why do you do it?”

America’s laws and law enforcement agencies have taught us that rarely is a crime committed without a motive.

Cell phones have had a slight advantage over other types of wireless communications in the security realm.

The IEEE, which is an acronym for Institute of Electrical and Electronics Engineers, is the group that created all the 802 standards.

On November 4, 2003, Robert Moskowitz found out that WPA and 802.11i suffer from an offline dictionary attack.