Category Archives: workday

Under Un*x like command line environment is nice way, how to compare files in two sub directory trees, current-dir and new-dir, two versions of the same command are shown: $ cd current-dir current-dir$ find . -type f -not -exec cmp … Continue reading →

New IBM supercomputer Sequoia will be built, tested and benchmarked in IBM’s Rochester, Minnesota plant, home of the Blue Gene class of supercomputers the company builds for ultra-scale computational applications.  The hardware and software development will by provided by IBM … Continue reading →

As soon as one needs more than just to connect small/office/bussiness network to the internet, there is a need for more router specifics. Here are some interesting options: Belkin Play Max Wireless Router: + 2 USB ports for printer, scanner, … Continue reading →

Recently I copied directories – databases. Each table had files  with extension  frm, MYD, and MYI. Later,  I saw in phpmyadmin db name #mysql50#mydatab instead of expected name of database (and directory) mydatab. I was able to fix this problem by following command:…\mysql>bin\mysqlcheck.exe -u root … Continue reading →

To find a files is helpful tool, if debugging some problems. Unix utility find allows many arguments, today I found useful argument mmin. Command   find . -mmin -10 -mmin +5 finds files modified between 6 and 9 minutes ago.

Almost all modern web browsers are nowadays able to render SVG code. Here is example of the pies. From SVG to PNG format converted by http://www.fileformat.info/convert/image/svg2raster.htm  Bellow is code highlighted by tohtml.com and resulting picture. <svg width=”480″ height=”180″ xmlns:xlink=”http://www.w3.org/1999/xlink”> <!– Pies examples by Josef … Continue reading →

Would you like to have a self-replicating machine? What about self-replicating 3D printer? There is a  free 3D desktop printer capable of printing itself, or it’s own plastic parts, to be precise. The metal parts and electronics are not printed. Yet. … Continue reading →

Scalable Video Coding (SVC) is the name for the Annex G extension of the H.264/MPEG-4 AVC video compression standard. One of the leaders in implementing this standard is company Vidyo with their solution. It looks like the major problem with SVC  is interoperability betwen various … Continue reading →

IBM announced that its inventors received a record 5,896 U.S. patents in 2010, marking the 18th consecutive year it has topped the list of the world’s most inventive companies. IBM became the first company to be granted as many as 5,000 … Continue reading →

Once a while one needs to draw something small. It’s better to do  it with a CAD system which can be compatible with professional CAD system like AutoCAD and others. I was using A9CAD, but I see beta version of the … Continue reading →