Home / Author Archives: Nguyen Vu Ngoc Tung (page 5)

Author Archives: Nguyen Vu Ngoc Tung

I love making new professional acquaintances. Don't hesitate to contact me via nguyenvungoctung@gmail.com if you want to talk about information technology, education, and research on complex networks analysis (i.e., metabolic networks analysis), data analysis, and applications of graph theory. Specialties: researching and proposing innovative business approaches to organizations, evaluating and consulting about usability engineering, training and employee development, web technologies, software architecture.

The UPGMA algorithm

The UPGMA (Unweighted Pair Group Method with Arithmetic Mean) is a simple agglomerative or hierarchical clustering method. It is one of the most popular methods in ecology for the classification of sampling units (such as vegetation plots) on the basis ...

Read More »

Array, List, etc. with String Indices


(Tiếng Việt) Trong lập trình, chúng ta cũng hay gặp nhiều trường hợp phải tạo một danh mục mà index của nó là các chuỗi kí tự. Có một khái niệm để mô tả loại đối tượng này, thường gọi là HashMap hay HashTable.

Read More »

Counting how many times each string appears in a list


To count how many times a word appearing in a list of words, we can do as follows:

Read More »

Create a simple blog quickly using PHP and MySQL

http://net.tutsplus.com/tutorials/php/how-to-create-an-object-oriented-blog-using-php/ http://cuttingedgetech.wordpress.com/2009/09/07/basic-blog-1/ http://programanddesign.com/php/create-a-blog-in-30-minutes-without-a-framework/

Read More »

Secure Your Web App


Read More »

Programming References with Microsoft Technology

Developer Resources on Microsoft Developer Network

If you’re a Microsoft hacking, I think you’re not strange at Microsoft Developer Network. Trên đó, bạn có thể tải các bộ công cụ phát triển chuẩn (SDK), nhiều thư viện hỗ trợ, các gói bài tập mẫu minh họa ...

Read More »

Google Chat chatting text format

Google Chat

Do you usually use Google telecommunication for chatting to your friends? As far as I have known, we have chat services integrated into Gmail. Now it is called classic chat with gmail. Google users are moving to Handout, which is ...

Read More »

Comparison of Web Servers (aka, Application Servers)

Comparison of Open Source Web Servers

Apache, GlassFish, WebLogic, Nginx, Resin http://www.caucho.com/resin-web-server/ http://wiki.nginx.org/Main http://www.oracle.com/technetwork/middleware/weblogic/downloads/wls-main-097127.html

Read More »

An Introduction to Multiprocessing in Python

Parallel Programming Model

Multiprocessing with Python http://toastdriven.com/blog/2008/nov/11/brief-introduction-multiprocessing/

Read More »

Some useful features never used frequently in Emacs

Emacs is a programmable editor. You can customize it as much as possible by adding or removing some macros or your own functions.

Emacs is a programmable editor. You can customize it as much as possible by adding or removing some macros or your own functions. Some useful features never used frequently in Emacs. This post includes these features for you. [01] Reload or ...

Read More »