skissane

Problem: configure: error: could not find libxml2
Solution: sudo xcode-select -s /Library/Developer/CommandLineTools

Problem: configure: error: could not find geos-config within the current path. You may need to try re-running configure with a --with-geosconfig parameter
Solution: brew install geos

Problem: configure: error: could not find proj_api.h - you may need to specify the directory of a PROJ.4 installation using --with-projdir
Solution: brew install proj and then CFLAGS=-DACCEPT_USE_OF_DEPRECATED_PROJ_API_H pex install postgis

Problem: configure: error: gdal-config not found. Use --without-raster or try --with-gdalconfig=\

vitorbritto

Remove MySQL completely

1. Open the Terminal

2. Use mysqldump to backup your databases

3. Check for MySQL processes with: ps -ax | grep mysql

4. Stop and kill any MySQL processes

5. Analyze MySQL on HomeBrew:

   brew remove mysql
   

econchick

class Graph:
  def __init__(self):
    self.nodes = set()
    self.edges = defaultdict(list)
    self.distances = {}

  def add_node(self, value):
    self.nodes.add(value)

  def add_edge(self, from_node, to_node, distance):