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Ahmed Shahriar Sakib ahmedshahriar

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ahmedshahriar / date_time_parse_from_few_social_media_post_cases.py
Last active November 28, 2020 14:59
Code snippet to calculate exact date-time from a text using date-time denoted numbers(1,2,3,4...) and words('week', 'a week', 'day', 'hour') . Applied for some social media posts texts which denotes time such as "1 hour ago" , '3 weeks ago' etc
from datetime import datetime, timedelta
import re
'''
examples cases:
4 DAYS AGO
1 HOUR AGO
Listed 4 days ago in East Wenatchee, WA
Listed a week ago in East Wenatchee, WA
@ahmedshahriar
ahmedshahriar / .ignore
Created November 27, 2020 16:43
gitignore for python, django , pycharm , env files
# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
# User-specific stuff
.DS_Store
.idea
.env
.idea/**/workspace.xml
.idea/**/tasks.xml
.idea/**/usage.statistics.xml
.idea/**/dictionaries
@ahmedshahriar
ahmedshahriar / selenium_starter_snippet_with_fake_user_agent.py
Created November 26, 2020 18:19
"""
code snippet for selenium with fake user agent
selenium : https://selenium-python.readthedocs.io/
fake user agent : https://github.com/hellysmile/fake-useragent
https://github.com/ahmedshahriar
"""
from time import sleep
from selenium import webdriver
@ahmedshahriar
ahmedshahriar / simplify_price_string_to_number.py
Created November 26, 2020 17:16
"""
simplify price with currency sign to number
"""
# sample
txt = "$5,200"
txt[1:].replace(',','')
# output
# 5200
@ahmedshahriar
ahmedshahriar / date_addition_subtraction.py
Created November 26, 2020 17:07
"""
code snippet to add/subtract datetime object
https://github.com/ahmedshahriar
"""
from datetime import datetime, timedelta
# addition
d = datetime.now() + timedelta(days=1, weeks=1, hours=19,seconds=1,milliseconds=1,microseconds=1)
@ahmedshahriar
ahmedshahriar / non_english_word_removal.py
Created November 21, 2020 04:16
"""
@ github.com/ahmedshahriar
This code will remove remove non-English words from text
"""
import nltk
# download nltk english corpus
nltk.download('wordnet')
wordnet = set(nltk.corpus.wordnet.words())
@ahmedshahriar
ahmedshahriar / amazon_regex_parser_starter_template.py
Created November 6, 2020 16:47
import requests
import re
headers = {
'authority': 'www.amazon.com',
'pragma': 'no-cache',
'cache-control': 'no-cache',
'dnt': '1',
'upgrade-insecure-requests': '1',
'user-agent': 'Mozilla/5.0 (X11; CrOS x86_64 8172.45.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.64 Safari/537.36',
@ahmedshahriar
ahmedshahriar / scrpay_starter_snippet
Created June 20, 2020 10:05
import scrapy
class QuotesSpider(scrapy.Spider):
name = "quotes"
start_urls = [
'http://quotes.toscrape.com/page/1/',
]
def parse(self, response):
@ahmedshahriar
ahmedshahriar / tpr_fpr_binary_class.py
Created June 8, 2020 17:52
This sample code works on binary classification to generatre True Positive Rate and False Positive Rate (TPR, FPR) by class.
"""This sample code works on binary classification to generatre True Positive Rate and False Positive Rate (TPR, FPR) by class.
Yes denotes positive class and No denotes negative class.
Default value 0 and 1.
Created by Ahmed Shahriar Sakib @ahmedshahriar on 06.08.2020 """
yes_tp = 0
yes_fp = 0
no_tp = 0
no_fp = 0
yes_instances =0
@ahmedshahriar
ahmedshahriar / binary_search_recursion.cpp
Created September 30, 2019 13:48
int searchBinary(int arrayList[],int findNum,int first , int last ){
while(first<=last){
int middle =( last+first)/2;
if(arrayList[middle]==findNum)
return middle;