Install HP LaserJet Pro CP1025 on Ubuntu

| category: My notes | author: st

HP LaserJet Pro CP1025 is detected automatically by Ubuntu but it is not sufficient for printing. You should configure HPLIP.

At first time, check that HPLIP installed and its version is 3.11.1 at least

dpkg -l hplip

In Ubuntu 14.04 you should see something like this:

ii …

GUI: evolution of descriptions

| category: My notes | author: st

Let's see one simple example showing how the methods and the languages of graphical user interface (GUI) description are progressing (or regressing, it depends) during the last 15-20 years.

The primitive form description requires:

1996: Delphi 2

object Form1: TForm1
  Left = 0
  Top = 0
  Caption = 'Test form'
  ClientHeight = 131
  ClientWidth …

Dynamic filtering with SQL

| category: My notes | author: st

The one of the most frequent asked question in database development is "How to filter the data returned by a query according to some user selected criteria?". To complete the solution with dynamic ordering see my other blog post.

For every method template I will add icons indicating corresponding advantages …