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Unit testing Angular Application

Written test cases may look like burden initially. But in the long run, it has been proved that it is easy to maintain and test applications which have unit test cases written. In this post, we will understand the importance of test cases and will understand how it works with the project created with angular CLI.
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Pandas: Merging datasets

The industry is dealing with chunks of data gathered from various sources. To perform analysis of data there is a huge possibility to gather data from various sources and convert into one dataset.

To do this Pandas makes our task very easy. Pandas provide various functions as listed below using which we can merge datasets seamlessly:

  1. Append
  2. Concat
  3. Join
  4. Merge
Let's see how merge data using above stated function. Also, we will be understanding the difference between them so that we know when to use what.

SQLAlchemy - ORM for Python

The post explains about the SQLAlchemy package which is used for connecting to the Object -Relational databases (SQLite, Postgres, MySql etc).

Here we will be discussing about how to connect to the database using SQLAlchemy package and create database, create tables in database, Inserting data in the tables, various ways to select data from the table, Delete operations, update operations and lot more.

This post assumes that reader has basic knowledge about SQL.

Advance concept of Pandas

In this post we will be covering some advanced concepts, that pandas have to offer. The post explains about below concepts:

  1. Creating a dataset from lists
  2. Using the plot function of pandas
  3. Pandas with time series
  4. Reindexing the index in pandas
  5. Resampling of data
  6. Chaining and filtering
  7. Grouping of data
  8. Transforming data
Let's get started and understand pandas in depth.

Machine Learning: Cleaning data

In this post we will be understanding various techniques used to clean dataset. Before cleaning data we need to understand our data. This post also explains about way to understand the data we are dealing with.

Cleaning of data is one of the crucial step in the entire process of creating machine learning model.

Let's get started and master the crucial process of cleaning datasets.

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BitCoin

As Bitcoin is really getting popular so I think its right time to spread awareness of it, who still don't know what Bitcoin is. So let me start with What Bitcoin is.

Angular 5

Angular v5 is released. To know more about whats new in angular v5 visit: LINK