Author Archives: admin

Learning by example

Software magazine has published article Learning by example from Mike Hansen, and one has to only agree, that applying supply chain principles to software development is a good direction. …there are significant opportunities to make performance gains by optimizing supply … Continue reading

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Progress Bar

<style> .ProgressBar { width: 300px; /*ProgressBar width*/ background-color: gray; margin-top: 1px; position: relative; height: 60px; border-radius: 5px; } .ProgressbarMeter { width: 59.555%; /*Percetage width of the ProgressbarMeter*/ background-color: green; margin-top: 3px; height: 54px; border-radius: 5px; position: absolute; } </style> <div … Continue reading

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ftp move

There is no move command in ftp client, but it’s possible to do move with help of command rename. Make sure, that directory, into which you are going to move a file, exists. Example: Let’s say, there is a file … Continue reading

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NanoHTTPD Simple Webserver in jar

NanoHttpd is an open-source, small-footprint web server project with github repository. If SimpleWebServer is compiled and jarred into executable jar nanoSimpleWWW.jar, it has size less than 48 kB! Everything what is needed to start is from a directory with HTML … Continue reading

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From Formamide to RNA

There is a fascinating research going on, how could life developed billions years ago from simple compounds. Maybe the key was formamide. Se more at article From Formamide to RNA, the Path Is Tenuous but Continuous by Samanta Pino, Judit … Continue reading

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Tips for wget

Amit Agarwal wrote recently really nice list of tips for well known utility wget. At the end, there is a little quiz, following wget command: wget ‐‐span-hosts ‐‐level=inf ‐‐recursive dmoz.org The first option ‐‐span-hosts will allow to download from all … Continue reading

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More stylesheets with LESS

There is an excellent article on IBM developerWorks website “Do more in CSS with LESS“.  It describes how to use LESS to write readable and maintainable Cascading Style Sheets.  Unfortunatelly command line command using Rhino to compile LESS to CSS … Continue reading

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Regular expression in JEdit

JEdit is an excellent editor and includes search and replace with regular expressions. For subexpressions in the replacement area is using dolar sign $ instead of backslash \. Here is a small example. Second occurence of substring cv needs to … Continue reading

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AWS Free Tier

Amazon AWS Free Tier is a Virtual Private Server (VPS), something to try and play with for up to one year. After creating AWS account one can use any of the 18 products and services for free within certain usage … Continue reading

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Web user experience at Groasis

Groasis is a wonderful project, which allows to grow plants in arid areas or even deserts. Their blog is wonderful also from web user perspective. If user is zooming up, the main article fills up the screen, and with more … Continue reading

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