For a while I've been using logcat command line tools to check Android logs. Usually, the tags of my app consist of a common prefix and the name of different sub-components (I guess that's also what most apps do). And I have about a dozen of such tags. logcat, however, does not support filtering tags using regular expressions, which is a pain! After suffering for a long time, I finally decide to tackle this.

Django provides an friendly Object Relational Mapping (ORM) framework. In several of my data analysis projects, I used Django ORM to process millions of logcat data generated by hundreds of Android phones. Here are some of the experiences and tips that helps making the processing just a bit faster.

Now we have designed the simulator, add a new MAC protocol to NS2, and implement the Random Resend MAC protocol, the final part will be analyze the trace file to measure the performance of our new protocol.

When I tried to fire up Django server using manage.py, I kept getting this error,which is cause by from django.test.utils import compare_xml. It turns out that I'm using the wrong Django version (1.4), and I should upgrade to 1.5.

I installed python-matploglib and python-mpltoolkits.basemap using apt, but when I tried to import Basemap using from mpltoolkits.basemap import Basemap, the following warning shows up:

usr/lib/pymodules/python2.7/mpl_toolkits/__init__.py:2: UserWarning: Module dap was already imported from None, but /usr/lib/python2.7/dist-packages is being added to sys.path
  __import__('pkg_resources').declare_namespace(__name__)