Confusion between the term “reference” and “pointer”
A few years ago, I wrote an article saying that Java has pointers. However, by typing Java pointer into Google, there are a lot of
Personal blog was cracked today
Today when I tried to open one of my websites https://longswims.net/ in order to update its contents, it stopped working throwing HTTP 500. I immediately
Citybus & NWFB combined ETA released
I have made a web app to show Citybus & NWFB combined ETA, which was released last month. It has two distinguishing features which bring
Hong Kong OpenTripPlanner instance up
The government of Hong Kong has released public transport data set as GTFS. In response, I have built an OpenTripPlanner instance to work on those
Type-safe callables in PHP by interfaces with __invoke()
The type system in PHP has become safer each version since PHP 7.0, by using a strict type declaration on top of the PHP file.
Personal website completely modernised
I started building my own website in 2008 when I was still in secondary school using PHP and (X)HTML. At that time, the PHP version
static in depth
After my previous post about static members in various programming language, I decide to write a post about the word static in depth. static is
static in PHP
static keyword is used to represent class members, i.e. members which are shared among the class, as opposed of instance members which is unique to
The philosophy of nothing
Nothing, the opposite of something, does not exist. To represent something is trivial, but, how we can represent nothing is a great philosophical problem. What
CalDAV server set up on Debian
In the past, about the years I was in sixth-form and first-year university, I used KOrganizer for my calendars, which is the first calendar software