Sunday, September 4, 2016

Cloud Computing

Cloud Computing today is a trend. Popular cloud computing are Amazon Web Services (AWS), Microsoft Azure, IBM Cloud, ... 

Cloud Computing like a private Local Area Network (LAN) on the internet. For most business, Cloud Computing is a cost effective. Instead of spend thousand dollars or more per month, they spend less. Instead of maintain a group of Information Technology (IT) professional, they may need only one. They don't need much of network engineer, network administrator.

So, first they are outsource software development. Then, outsource IT help desk. Now, companies outsource the IT infrastructure. 

The questions is:

  1. In which scenarios, moving to Cloud Computing is cost saving?
  2. How about security, privacy?

Sunday, August 28, 2016

PHP: require() vs include()

You can insert the content of one PHP file into another PHP file before the server executes it, with the include() or require() function.

The two functions are identical in every way, except how they handle errors:


include() generates a warning, but the script will continue execution


require() generates a fatal error, and the script will stop