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Archive for November, 2015

6
Nov

Deadlines and Timeouts for Realtime MongoDB Access with TxMongo

2000px-Twisted_Logo_(software).svg

Murphey had an adage: “Anything that can go wrong, will go wrong.” The best we can do is attempt to anticipate any problems that might come up and keep ‘the machine’ running. From an end-user perspective that means being responsive, even with errors. If there is a network error, we want to know as soon as possible with the guarantee that state of ‘the machine’ was not effected by the error.

With the release of TxMongo 15.3.1 we’ve introduced a few things that are useful when creating real-time applications.

We now have per-call deadline and timeouts!

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5
Nov

Vagrant, Virtualbox and Ubuntu Wily Weerwolf: Getting them to play along.

Vagrant

I recently upgraded to Ubuntu 15.10 (Wily Weerwolf) which automatically upgraded VirtualBox from 4.3 to 5.0 and broke compatibility with Vagrant 1.6 in the process. Thinking that Vagrant knows about this and they claim VBox 5.0 compatbility, I upgraded to 1.7 and came across the same error!

Vagrant attempted to execute the capability ‘configure_networks’ on the detect guest OS ‘linux’

There is a workaround!

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