Category: Uncategorized
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the simpliest way to get yesterday’s date on a Unix command line
$ date ‘+%Y%m%d’ –date=yesterday 20140603
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even posting to my blog from my phone seems to work again
Self-hosting your WordPress blogs gives you so many more options, but it lets you run into so many problems. I hope, there will be a long time with a minimal amount of trouble ahead. Of course, self-hosting your blogs relieves you from the sorrow, that Google is going to suspend Blogger.com within just a couple…
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secure login to MySQL or MariaDB
https://dev.mysql.com/doc/refman/5.7/en/password-security-user.html I need to back up the MySQL databases on my web space, and of course these databases are password protected. How to supply the password to the MySQL utilities? To make things short: from a professional point of view: old releases of MySQL (i.e. < 5.6.???) and all releases of MariaDB do not provide…
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pitfall: mysqldump vs .my.cnf
It took me quite some time to recognise, that the existence of ~/.my.cnf resp. specifying databases in there disturbs the operation of mysqldump. If you pass a database name on the command line (with or without the command line option “–databases”) and there is a database listed in ~/.my.cnf, this is the kind of error message,…
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Perl Regex Pretty Printer
http://www.perlmonks.org/?node_id=1049212 emacs cperl-mode: cperl-beautify-regexp
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I had this “Page not found” phenomenon on my blogs, and it drove me crazy
http://wordpress.org/support/topic/products-not-found Instead of the desired content, this got shown: “It looks like nothing was found at this location. Maybe try a search?” I searched for this text, got to the above link, and it says: Refreshing links structure under “Settings” has solved the problem. I didn’t precisely find a button named “refreshing links structure …“, but…
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how to update Windows XP after end of support
http://news.softpedia.com/news/How-to-Update-Windows-XP-after-End-of-Support-443631.shtml https://www.sebijk.com/community/index.php?thread/2984-xp-updates-weiterbeziehen/ Windows XP is rather similar to “Windows Embedded POSReady 2009” – the latter is actually also named “Windows XP embedded …“. Right now I am updating my WinXP VM (VirtualBox) on my Mac. It works for me. As the information sources say: Microsoft may detect, we are updating our XP-s like that, and…
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Scratch is a programming language and an online community where children can program and …
http://scratch.mit.edu/parents/ : info addressing parents http://en.wikipedia.org/wiki/Category:Educational_programming_languages Scratch is a programming language and an online community where children can program and share interactive media such as stories, games, and animation with people from all over the world. As children create with Scratch, they learn to think creatively, work collaboratively, and reason systematically. Scratch is designed and maintained…
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after upgrading Chromium from 1957 to 1989 there is no longer that constant outbound bandwidth consumption
I desperately wonder, what component had caused that. It cost me quite a few €, when that outbound bandwidth was with my mobile (i.e. “mobile phone”) Internet connection.