chankeypathak

if any(bad in name for bad in NOT_ALLOWED):
    raise ValueError("'name' may not contain any of {}".format(NOT_ALLOWED)

if not all(isinstance(val, int) for val in DATA) or len(DATA) !=2:
    raise ValueError("'DATA' must consist of 2 ints")

chankeypathak

# List unique values in a DataFrame column
pd.unique(df.column_name.ravel())

# Convert Series datatype to numeric, getting rid of any non-numeric values
df['col'] = df['col'].astype(str).convert_objects(convert_numeric=True)

# Grab DataFrame rows where column has certain values
valuelist = ['value1', 'value2', 'value3']
df = df[df.column.isin(valuelist)]

chankeypathak

import pandas as pd

sodium = [ 7.22, 30.07 ]
sodium_index = [ '2017-06-01', '2017-06-02' ]
potassium = [12.19, 10.07]
potassium_index = [ '2017-06-01', '2017-06-02' ]

sodium_series = pd.Series(sodium, index=sodium_index)
potassium_series = pd.Series(potassium, index=potassium_index)

chankeypathak

import pandas as pd
import matplotlib.pyplot as plt
from numpy import random
import os

# The inital set of baby names
names = ['Bob','Jessica','Mary','John','Mel']

# This will ensure the random samples below can be reproduced.
# This means the random samples will always be identical.

chankeypathak

import pandas as pd #this is how I usually import pandas
import matplotlib.pyplot as plt

names = ['Bob','Jessica','Mary','John','Mel']
births = [968, 155, 77, 578, 973]
BabyDataSet = list(zip(names,births))
df = pd.DataFrame(data = BabyDataSet, columns=['Names', 'Births'])

# Create graph
df['Births'].plot()

chankeypathak

class SqliteDB:
    def __init__(self):
        self.parent_directory = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
        self.db_path = os.path.join(self.parent_directory, 'db.sqlite3')
        self.db_connection = sqlite3.connect(self.db_path)
        self.db_cursor = self.db_connection.cursor()

    def execute(self, query, args=''):
        return self.db_cursor.execute(query, args)

chankeypathak

#!/usr/bin/python
# -*- coding: utf-8 -*-
#
#author:         rex
#blog:           http://iregex.org
#filename        trie.py
#created:        2010-08-01 20:24
#source uri:     http://iregex.org/blog/trie-in-python.html

# escape bug fix by fcicq @ 2012.8.19

chankeypathak

#!/usr/bin/perl
use strict;
use warnings;
use Time::Piece;

my @events = ( '11/17/1999',  '12/6/1999', '12/23/1999',
               '1/23/2000',  '1/13/2000',  '2/25/2000',
               '1/5/2000',  '3/18/2000',  '4/10/2000',
               '3/12/2000', '12/31/1999');

chankeypathak

use utf8;
use strict;
use warnings;
use open qw[ :std :encoding(UTF-8) ];

use HTML::TokeParser::Simple;

run(\@ARGV);

sub run {

chankeypathak

#!/usr/bin/perl
#Author: Chankey Pathak
#Date: 29 Sept 2015
#TODO: process files of entire directory
use strict;
use warnings;
use Data::Dump qw(dump);
use Getopt::Long;
use Win32::OLE qw(valof);
use PDF::API2;