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import System
import Microsoft
import Microsoft.Win32.Registry as Registry
from System.Threading import Thread, ThreadStart

def get_default_browser():
    try:
        key = Registry.ClassesRoot.OpenSubKey("HTTP\shell\open\command", False)
        browser = key.GetValue(None).ToString().ToLower()
        if browser.startswith('"'):

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package util.validate

import scala.util.{Failure, Success, Try}

object `package` {
  class ValidationError(val msg: String) extends Exception(msg)
  case object InvalidType extends ValidationError("invalid type")

  def typeChecker[T: Manifest](v: Any): Try[Any] = v match {
    case v: T => Success(v)

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Setup dev environment

Make sure Java (>= 6) is installed

Install jpm4j

curl -sL https://github.com/jpm4j/jpm4j.installers/raw/master/dist/biz.aQute.jpm.run.jar > jpm4j.jar

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Install psycopg2

link libs

  ln -s /Users/YOURUSERNAME/anaconda/lib/libssl.1.0.0.dylib /usr/local/lib
  ln -s /Users/YOURUSERNAME/anaconda/lib/libcrypto.1.0.0.dylib /usr/local/lib

or probably better (safer) with

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Install postgis first if you do not have it yet. brew install postgis

Check if the db has created postgis extension

select * from pg_extension;

Create postgis extension

create extension if not exists postgis;

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import sqlite3


########################################
# simple json dataset via sqlite3
########################################
class StatusDataset(object):
    def __init__(self, db, name, create=True):
        self._db = db
        self._name = name

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split search string

import re
[and_group.split() for and_group in re.split(r'[ ]*,[, ]*', key_words.strip(', ')) if and_group]

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A way to work around this issue in flask.

class BlueFactory(object):
    _seq = 0

    def __init__(self, name, *args, **kwargs):
        self.base_name = name
        self.bp_args = args
        self.bp_kwargs = kwargs

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install gdal with postgres support

brew install gdal --with-postgresql

shape file to postgis

shp2pgsql -c -D -s 4269 -i -W LATIN1 -I xxxx.shp > xxxx.sql

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Remove Java from mac

sudo rm -rf  /Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk
sudo rm -rf /Library/PreferencePanes/JavaControlPanel.prefPane
sudo rm -rf /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin

Install Java with homebrew