Monthly Archives: February 2011
svg and html
Using an uptodate browser (or a java script library, such as svgweb) it is fairly easy to integrate a svg file into a html page and to handle the svg-file from html, for a primer, see e.g. alistapart.com. Basically, when … Continue reading
Gammal gretten gubbe slår til igjen og sender brev til ntb
Aftenposten har artikkelen Henrettelse gikk galt i USA som bare henviser til ntb. Der står det: (…)har blitt henrettet ved hjelp av narkosemiddelet sodium thiopental lot til å være våkne(…) Kan dere lære journalistene at det er ikke noe som … Continue reading
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SQL – setting and resetting in one query
A colleague has a web application where a number of flags can be set or reset using checkboxses. These flags corresponds to rows in a table. When they have been altered, those who are set are returned from the browser, … Continue reading
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Making stripcharts using svg and javascript
April 2013: I have made a new project based on this, although for static plotting. I needed to present data in a webapplication using strip chart. From earlier experiences on data presentation, I knew that making bit mapped graphics to … Continue reading
PHP Matrix multiplication
Needing to do some matrix multiplication in php, I found some code that looked quite promising, but it had a couple of problems: In addition to the matrixes, it needed the max dimentions of the matrixes as arguments and it … Continue reading
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Concatenating a utf8 char field and a datetime field in mysql
In a database of mine (using mysql 5), I needed to make a ‘fake name’ – concatenating the real name and a datetime, so I did a concat(name, ‘(‘,thetime,’)’) in the sql and got just what I expected TheName (2011.02.02 … Continue reading
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