kha tran

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Building a Financial Model with Pandas

IntroductionIn my previous articles, I have discussed how to use pandas as a replacement for Excel as a data wrangling tool. In many cases, a python …

How The ETL Bottleneck Will Kill Your Business

One of the key assumptions of the current business environment is that competence in using data to improve your business operations can be a source of competitive advantage. It doesn’t matter if you are a follower of the new school gurus like Hilary Mason or DJ Patil, or the old school like Tom …

Package Management Basics: apt, yum, dnf, pkg

IntroductionMost modern Unix-like operating systems offer a centralized mechanism for finding and installing software. Software is usually …

Linux

New quantum approach to big data

Systems for handling massive digital datasets could make impossibly complex problems solvable, new research shows.

Deploying Python Web Applications (Updated)

So, you've build an amazing Python web app and now what? You want to put it online of course but that's a whole different skill set. You're in luck, …

Web Applications

Revolutionizing Microsoft Analytics

Shhhh…everyone is asleep. Finally I can sneak into my home office, light up the lovely Sun & Sand Yankee Candle, and spin up the Azure Microsoft Data …

Big Data

How to Find Out Top Directories and Files (Disk Space) in Linux

As a Linux administrator, you must periodically check which files and folders are consuming more disk space. It is very necessary to find the …

A Beginner's Guide to Scaling to 11 Million+ Users on Amazon's AWS

How do you scale a system from one user to more than 11 million users? Joel Williams, Amazon Web Services Solutions Architect, gives an excellent …

Cloud Computing

Big Data and computational medicine: Who guards the data? - ExtremeTech

By on December 30, 2015 at 9:35 am<p>This site may earn affiliate commissions from the links on this page. Terms of use.<p>When you hear the phrase “Big …

Big Data

2015 Recap: Cloud, Containers and DevOps - Part 1

2015 will be remembered as the year that redefined the way applications are designed, developed, and deployed in the cloud. This year saw a hectic activity within the container community. Containers influenced almost every aspect of cloud computing including infrastructure, platforms, and DevOps. …

Cloud Computing

100 Data Science in Python Interview Questions and Answers for 2018

Python’s growing adoption in data science has pitched it as a competitor to R programming language. With its various libraries maturing over time to …

5 AWS mistakes you should avoid

Since this year I'm working as an AWS Cloud Consultant where I see a lot of small to medium sized AWS deployments. Most of them are typical web …

Cloud Computing

SQL Server Index Design Guide

39 minutes to read<p>Contributors<p>Poorly designed indexes and a lack of indexes are primary sources of database application bottlenecks. Designing …

My top 5 ‘new’ Python modules of 2015

As I’ve been blogging a lot more about Python over the last year, I thought I’d list a few of my favourite ‘new’ Python modules from 2015. These …

Python Programming

How to host Hugo static website generator on AWS Lambda

In this tutorial we will create a static website publishing platform hosted in the cloud using several AWS services. It will run static website …

Cloud Computing

Facebook’s open-sourcing of AI hardware is the start of the deep-learning revolution

Collaboration is key to building the machine-learning boat and getting it afloat.<p>A few days ago, Facebook open-sourced its artificial intelligence …

Artificial Intelligence

The Quartz guide to bad data

<i>This guide was written to help Quartz staff identify problems with data they report on. After publishing it on GitHub, we heard from folks in many other industries who also found it helpful, so we’re republishing it here for the benefit of all Quartz readers. The most</i> <i>up-to-date version of this</i> …

24 Uses of Statistical Modeling (Part I)

Here we discuss general applications of statistical models, whether they arise from data science, operations research, engineering, machine learning …

Data Science

Python programmers: Big data’s main squeeze

While most people think of a python as a large snake that squeezes its prey, there is another type of Python. This one is a computing language that …

A Refresher on Regression Analysis

You probably know by now that whenever possible you should be making data-driven decisions at work. But do you know how to parse through all of the data available to you? The good news is that you likely don’t have to do the number crunching yourself (hallelujah!) but you do need to correctly …

Reporting for Roomlia Using N1QL, The Query Language for NoSQL - O'Reilly Media Free, Live Events

Description:<p>Reporting is paramount to enterprises. Having the ability to access any dataset to generate ad-hoc reports improves your ability to …

Using JSON Schema with Python to validate JSON data

By Vasudev Ram<br>I got to know about JSON Schema and the <i>jsonschema</i> Python library recently.<b><br>JSON Schema</b> is a scheme (pun not intended) or method for …

Weather app with Node webkit and Angularjs : part 1

NW.js basically known as node webkit. Using this framework we can create desktop application using<p>HTML, CSS & Javascript.<br>In this tutorial will create …

AngularJS

Linux Performance Analysis in 60,000 Milliseconds

You login to a Linux server with a performance issue: what do you check in the first minute?<br>At Netflix we have a massive EC2 Linux cloud, and …

Spark speeds up SQL on Hadoop in Splice Machine 2.0

Apache Spark rose to fame as an in-memory data processing framework frequently used with Hadoop, but it's fast transforming into a nucleus for …

Comparing Data Warehouse Solutions

Cloudera Previews Tool for Analyzing and Optimizing Queries

What organizations discover is that once they move data into Hadoop, the performance of queries can be adversely affected.

Hadoop

Data science with Microsoft – Training materials

Today I’ll be guiding you through the, sometimes very busy, world of Microsoft training material.<br>We’ll put the focus on the training material for …

15 Best AngularJS Tools For Developers

Aptana is a free open source IDE for building web applications quickly and easily. To extend Aptana for Angular support, all you need to do is …

DigitalOcean home

Introduction<p>Node.js is an open source Javascript runtime environment for easily building server-side and networking applications. The platform runs …