Welcome back to Built-in Functions. Filesytem Functions chmod(), chgrp(), chown() Like the shell commands of the same name, the chmod(), chgrp(), and chown() …

As a network administrator, the first thing is to Secure the Mikrotik (Proxy Router) that we manage, by closing the gaps that might be taken into “attack …

Building a Zip Archive The first archive you will want to build is the ZIP archive, the oldest and most supported of the three. For this reason, it should be …

Today we will look at some Date and Time functions. date() The date() function returns the current server timestamp, formatted according to to a given set of …

.zip, .cab, and .jar Distribution History As we noted earlier, for most of the history of Java development, there was really no packaging. For the most part, …

Welcome back to the not so exciting built in functions part 3! Today we will deal with Database Connectivity Functions for MySQL. *Numerous PHP functions exist …

Welcome back to part 2 of Built-In functions, just a reminder. count() The count() function counts the number of elements in a variable. It’s usually used to …

Applet Tag by Example Here is an example of the code we could use to place the Hello applet we created previously in a web page: <APPLET WIDTH = "200" HEIGHT = …

Writing Applets Applets are programs that run inside of a web page using the resources the web browser has to offer such as a Java Virtual Machine (JVM) and the …

Array Fuctions – array() The array() function allows you to manually assign values to an array. Here is the syntax of the array() function: $array_name = …

Building an Application Okay, so now let’s look at the rest of the Test class because the Test class is pretty special. The Test class is actually a very small …

Defining a Class So right after the “public” keyword, we see the “class” keyword. The class keyword is used to specify that the following statement block …