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@wtbarnes
wtbarnes / push-to-someone-elses-pr.md
Created March 5, 2020 04:49
Brief instructions for how to modify and push to someone else's PR on github

How to Push to Someone Else's Pull Request

Let's say contributor has submitted a pull request to your (author) project (repo). They have made changes on their branch feature and have proposed to merge this into origin/master, where

origin -> https://github.com/author/repo.git

Now say you would like to make commits to their PR and push those changes. First, add their fork as a remote called

@ola-sk
ola-sk / counting and finding.cpp
Last active November 21, 2021 20:29
C++ STL Algorithms
#include <vector>
#include <string>
#include <algorithm>
#include <map>
int main()
{
std::vector<int> v { 2, 5, 7, 1, 0, 6, 6, 2, -2, 4, 4, 7, 9, 0, 5 }; //6 odd values
//——————————————————————————————————————————————————————————————————————————
@duncangh
duncangh / s3_to_pandas.py
Created April 7, 2019 03:01 — forked from jaklinger/s3_to_pandas.py
Read CSV (or JSON etc) from AWS S3 to a Pandas dataframe
import boto3
import pandas as pd
from io import BytesIO
bucket, filename = "bucket_name", "filename.csv"
s3 = boto3.resource('s3')
obj = s3.Object(bucket, filename)
with BytesIO(obj.get()['Body'].read()) as bio:
df = pd.read_csv(bio)
@jakebrinkmann
jakebrinkmann / connect_psycopg2_to_pandas.py
Created July 3, 2017 14:19
Read SQL query from psycopg2 into pandas dataframe
import pandas as pd
import pandas.io.sql as sqlio
import psycopg2
conn = psycopg2.connect("host='{}' port={} dbname='{}' user={} password={}".format(host, port, dbname, username, pwd))
sql = "select count(*) from table;"
dat = sqlio.read_sql_query(sql, conn)
conn = None
@showa-yojyo
showa-yojyo / ipython-history-recall-demo.txt
Created August 15, 2016 14:51
How to use %history and %recall in IPython.
In [12]: %history?
Docstring:
::
%history [-n] [-o] [-p] [-t] [-f FILENAME] [-g [PATTERN [PATTERN ...]]]
[-l [LIMIT]] [-u]
[range [range ...]]
Print input history (_i<n> variables), with most recent last.
@devStepsize
devStepsize / slack_webhook_post.py
Last active December 14, 2024 22:20
POST a JSON payload to a Slack Incoming Webhook using Python requests
'''
This is an example of how to send data to Slack webhooks in Python with the
requests module.
Detailed documentation of Slack Incoming Webhooks:
https://api.slack.com/incoming-webhooks
'''
import json
import requests
@IanHopkinson
IanHopkinson / lxml_examples.py
Created November 24, 2015 19:42
Examples of xpath queries using lxml in python
#!/usr/bin/env python
# encoding: utf-8
import lxml.etree
import lxml.html
import requests
xml_sample = """<?xml version="1.0" encoding="UTF-8"?>
<foo:Results xmlns:foo="http://www.foo.com" xmlns="http://www.bah.com">
<foo:Recordset setCount="2">