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The comment function does not seem to work after some software upgrades. It is necessary to check write permissions on the directory /wp-content/plugins/si-captcha-for-wordpress/captcha/cache, then it will work again. So you can write comments again, I will only reject spam.
Monads? Easy! A Monad over X simply is a Monoid in the Category of Endofunctors of X. Monads? Really! Monads are a concept in mathematics Algebra is an area of mathematics Category theory is an abstraction of algebra. Monads are defined in category theory Remember: in category theory we talk about infinity beyond cardinality of …
Please reserve the date in your calendar: The Swiss Perl Workshop will take place on the 28th and 29th of August 2015 in Olten. The location can easily be reached by public transport, being only 5 min walking distance from the railroad station with 500 trains per day. So if you are using the Perl …
„Swiss Perl Workshop 2015 in Olten“ weiterlesen
Deutsch Often we have to round some numbers in such a way that the sum is correct afterwards. The most obvious case is maybe with percentage values, where a sum other than 100% is confusing for readers. But we may even have cases where a calculation becomes incorrect if the some constraint is violated. Anyway …
„Rounding with sum“ weiterlesen
Deutsch It is a nice thing to be able to use random access files and to have the possibility to efficiently move to any byte position for reading or writing. This is even true for text files that have a fixed number of bytes per character, for example exactly one, exactly two or exactly four …
„Random-Access and UTF-8“ weiterlesen
Frohes neues Jahr! Happy New Year Gott nytt år! Godt Nyttår! ¡Próspero año nuevo! Bonne année! FELIX SIT ANNUS NOVUS Felice Anno Nuovo! Весёлого нового года! السنة الجديدة المبتهجة Een gelukkig nieuwjaar!
Deutsch If you do not know what residue classes are, just read on, it will be explained to the extent needed later on. The concept of rounding seems familiar, but let us try to grab it a little bit more systematically. Let us assume a set of numbers and a subset of it, whose elements …
„Residue Class Rounding“ weiterlesen
Frohe Weihnachten! Merry Christmas! God Jul! ¡Feliz Navidad! Joyeux Noël! Natale hilare! С Рождеством! ميلاد مجيد Buon Natale! God Jul! Prettige Kerstdagen!
Currently I am writing blog articles in German and translate them to English, if I consider them interesting for a wider audience. I am considering to do it the other way round and write articles in English and provide a German translation of some of them. I am creating a poll for this. Find the …
„English or German / Englisch oder Deutsch“ weiterlesen
Deutsch I have been visiting the conference Scala eXchange ( #scalaX ) organized by Skillsmatter in London. Here is some information about the talks that I have attended and the highlights: The Binary Compatibility Challenge Martin Odersky Examples can be constructed for each of the four combinations of binary and source code compatibility. We wish …
„Scala Exchange 2014“ weiterlesen