Python's NOSE testing framework has the concept of running multiple tests in parallel. The purpose of this is not to test concurrency in the code, but to make tests for code that has "no side-effects, no ordering issues, and no external dependencies" run faster. The performance gain comes from concurrent I/O waits when they are accessing different devices, better use of multi CPUs/cores, and by ru
The Opscode "apt" cookbook's default recipe will run apt-get update to ensure that the package cache is updated. We recommend putting that early in your node's run list so later on packages can be installed with the correct versions. We generally don't recommend that users use "apt-get upgrade" in a recipe, for a couple reasons. apt-get may upgrade a package that has conflicting configuration or o
Just opened a file with Sublime Text (with Sublime Linter) and noticed a PEP8 formatting error that I'd never seen before. Here's the text: urlpatterns = patterns('', url(r'^$', listing, name='investment-listing'), ) It's flagging the second argument, the line that starts url(...) I was about to disable this check in ST2 but I'd like to know what I'm doing wrong before I ignore it. You never know,
First of all not both of them disables Nagle's algorithm. Nagle's algorithm is for reducing more number of small network packets in wire. The algorithm is: if data is smaller than a limit (usually MSS), wait until receiving ACK for previously sent packets and in the mean time accumulate data from user. Then send the accumulated data. if [ data > MSS ] send(data) else wait until ACK for previously
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