crucial

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• django.db.utils.DatabaseError: relation "django_content_type" does not exist

  p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Monaco} I was getting an error while running unit tests and the test database was failing to be created.django.db.utils.DatabaseError: relation "django_content_type" does not existeventually found the problem.  I had the following in a file that was imported to a models.py:hrd_type = ContentType.objects.get_for_model(HttpReferrerDomain)The idea being that it can just set the var when it loads up and after that its always there.  But this means for creating a fresh database, the db is ...

• django has two classes called ValidationError

  There is one in django.core.exceptions and one in django.forms.util Using that space age IDE Eclipse I have to say I'm enjoying how much time I've saved just going shift-command-O to organize and resolve all of my imports.  But today I've just lost a few hours due to my ok-ing the wrong class. Quite mysterious it was, I raised a ValidationError (core exceptions one) in my form's clean() and watched as the try: except ValidationError: in django's full_clean() completely ignored my ...

• GDAL fails to build: `.rodata' can not be used when making a shared object; recompile with -fPIC

    libtool: link: g++ -shared -nostdlib /usr/lib/gcc/x86_64-linux-gnu/4.4.1/../../../../lib/crti.o /usr/lib/gcc/x86_64-linux-gnu/4.4.1/crtbeginS.o .libs/libgdal.la.lnkscript  -L/usr/local/lib /usr/local/lib/libgeos_c.so /usr/local/lib/libgeos.so /usr/local/lib/libexpat.so -L/usr/lib -lpq -lrt -ldl /usr/lib/libcurl.so -lssl -lcrypto -lz -L/usr/lib/gcc/x86_64-linux-gnu/4.4.1 -L/usr/lib/gcc/x86_64-linux-gnu/4.4.1/../../../../lib -L/lib/../lib -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-linux-gnu/4.4.1/../../.. -lstdc++ -lm -lc -lgcc_s /usr/lib/gcc/x86_64-linux-gnu/4.4.1/crtendS.o /usr/lib/gcc/x86_64-linux-gnu/4.4.1/../../../../lib/crtn.o         -Wl,-soname -Wl,libgdal.so.1 -o .libs/libgdal.so.1.13.2 /usr/bin/ld: /usr/local/lib/libz.a(crc32.o): relocation R_X86_64_32 against `.rodata' can not be used when making a shared object; recompile with -fPIC /usr/local/lib/libz.a: could not read symbols: Bad value collect2: ld returned 1 exit status make[1]: *** [libgdal.la] Error 1 make[1]: Leaving directory `/home/crucial/tmp/gdal-1.6.2' ...

• installing MySQLdb on Ubuntu (mysql-python)

  MySQLdb is the python support bindings for MySQL.  Not that the name would lead you to beleive that. Its sourceforge page calls it http://sourceforge.net/projects/mysql-python/ which makes more sense. you need setuptools, which you usually already have:     sudo aptitude install python-setuptools You need MySQL-devel to compile, but its not called that, its called: libmysql++-dev on Ubuntu     sudo apt-get install libmysql++-dev download MySQLdb itself from:     http://sourceforge.net/projects/mysql-python/     # the version you download will be more recent     tar xfz ...

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