Another posting on how to understand Profile errors.
If you ever see "Host error number XXX", it means that this was the XXX'th error of the day that this Profile instance wrote to the logs. Get someone to look it up in the Profile logs.
Also, Calling mrpc ZWRAP with …
Posted Fri 03 February 2012 by mcherm in Programming
A brief hint: if you see an error message like this:
InputStream does not represent a valid SOAP 1.1 Message
check the namespace of the SOAP envelope
SOAP 1.1: http://schemas.xmlsoap.org/soap/envelope/
SOAP 1.2: http://www.w3.org/2003/05/soap-envelope/
Posted Mon 12 December 2011 by mcherm in Programming
I saw this interesting article about a weakness in the Scala language. The weakness applies not just to Scala, but to pretty much any language: the community using the language cannot grow past a certain point until it somehow solves the problem of libraries depending on other libraries in a …
Posted Wed 07 December 2011 by mcherm in Programming
If you have complete and accurate requirements for your project which won't change, and your development team is spot-on in estimating and highly consistent in their development pace. and there are no surprises, then you can produce highly accurate project timeline estimates up front. Such accurate estimates are (or, more …
Posted Wed 28 September 2011 by mcherm in Programming
Armen Rigo has a blog posting (worthy of an article of its own) proposing using STM (Software Transactional Memory) in PyPy. In a discussion on reddit someone suggested that you could have weaker threading guarantees and just use locks manually. It wouldn't be so hard, they explained, because:
You really …
Posted Tue 23 August 2011 by mcherm in Programming