The if construct is one of the most important features of many languages, PHP included. It allows for conditional execution of code fragments. PHP features an if structure that is similar to that of C: if (expr) statement The general format of if construct is like shown below: if (expr1) { // statement if expr [...]
Flex is a highly productive, free open source framework for building and maintaining expressive web applications that deploy consistently on all major browsers, desktops, and operating systems. While Flex applications can be built using only the free open source framework, developers can use Adobe® Flex® Builder™ software to dramatically accelerate development. If you want to [...]
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Java is one of the most popular programming languages. I learned Java a few years ago. I learned it in Windows OS. Now I need to install it in Ubuntu. Here are the steps: 1) You need to update Ubuntu Repository. Type this command: sudo apt-get update Just wait till your Ubuntu Repository updated. 2) [...]
A few CMSs need PHP library which is not activated as default. For example, in installation an e-commerce named magento (www.magentocommerce.com), needs a few PHP extensions. Usually, a good CMS checks system requirements before installation begins. Image below is an example for system requirements checking on Magento Installation. We could use phpinfo() function to view [...]
Case study: We would like to provide pdf files to be downloaded by visitors, but the file location is hidden. Visitors can download file with URL given only. Programming language used is PHP. Analysis: We could make a link directly to the file location. Example: <a href=”myebook.pdf”>Download MyEbook</a> What happen if the link above clicked? [...]
To connect a Java application with MySQL, we need a driver as interface between Java and MySQL. Driver can be downloaded from the official MySQL website. [ Download MySQL Connector ] Extract downloaded file (file type: *.jar). Copy that file to directory [jre installation]/lib/ext/. Ok, your Java application is ready to connect with MySQL.
Method overloading is used to make a few methods (functions) with the SAME NAME and do the SIMILAR TASK. It helps programmer to remember methods which have similar task. For example is multiplication method. The first method needs two arguments and another needs three arguments (similar task, that is multiply two arguments, the different is [...]
We heard a lot of times a word about ASCII, but we have no idea about ASCII itself. ASCII stands for American Standard Code for Information Interchange. Based on its name, ASCII is used to exchange information and data communication. ASCII is code number which represent a character. ASCII is used because computers only understand [...]
What do you need to be a programmer? Expert in mathematics? Hmm… not really. Not all mathematics lesson should be known. No need to master Integral or imaginary. But there are a few lesson you should master them. They are logics, binary, hexadecimal. Know all programming languages? Not all programming languages. The important thing is [...]
