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 a key word in multiple (…Read More)
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 an object instance, in many (…Read More)
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 is nothing? Even when put (…Read More)
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 that I use, in conjunction (…Read More)
My views on type systems
As my programming experience begins to diverse, from traditional command-line programs to web and app development, I have used many programming languages, some of which I like, and some I (…Read More)
he.net IPv6 Sage certification completed
I completed the he.net IPv6 Sage certification in January this year and have just received the T-shirt. I started the certification programme in 2011 when I upgraded my network infrastructure (…Read More)
Difference between leaving, closing and killing an app
Mobile computing is the trend, but due to the very different nature between a traditional desktop computer and a mobile device, the process models of desktop OSes and mobile OSes (…Read More)
Java DOES have pointers!
Java has pointers. People who say that Java does not have pointers are lying. The most confusing point is that, pointers in Java are not called pointers, but called “references” (…Read More)
Polymorphism within constructors
In C++, polymorphism does not take place within constructors: #include <iostream> using namespace std; struct Base { Base() { foo(); } virtual ~Base() {} virtual void foo() { cout << (…Read More)
Messing with sizes
The size of an item in computer displays or printouts depends on a lot of configurations. Font size, DPI/PPI, screen resolution, page zooming, etc. all contribute to the output size. (…Read More)