Showing posts with the label iot developer

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How to Check Column Nulls and Replace: Pandas

Here is a post that shows how to count Nulls and replace them with the value you want in the Pandas Dataframe. We have explained the process in two steps - Counting and Replacing the Null values. Count null values (column-wise) in Pandas ## count null values column-wise null_counts = df.isnull(). sum() print(null_counts) ``` Output: ``` Column1    1 Column2    1 Column3    5 dtype: int64 ``` In the above code, we first create a sample Pandas DataFrame `df` with some null values. Then, we use the `isnull()` function to create a DataFrame of the same shape as `df`, where each element is a boolean value indicating whether that element is null or not. Finally, we use the `sum()` function to count the number of null values in each column of the resulting DataFrame. The output shows the count of null values column-wise. to count null values column-wise: ``` df.isnull().sum() ``` ##Code snippet to count null values row-wise: ``` df.isnull().sum(axis=1) ``` In the above code, `df` is the Panda

Best Skills You Need to Become an IoT Developer

The Internet of things is a new subject. In this area lot of development is going on. Recently, AWS ( Amazon web services ) developed a platform for the Internet of things. I want to share with you the best skills you need to become an IoT developer. Skills You Need to Become an IoT developer This is a big Question for IT freshers or experienced IT professionals what technologies they need to learn to start a career in this line.  As a general rule, I have found the following are general requirements for the Internet of things ( See Internet of things jobs here ). Java + multiple programming languages (Objective-C, C++), and interest in technologies such as Ruby, Scala, Clojure, Groovy, etc. Experience in javascript libraries in any combination of the following areas: jQuery, AngularJS, Backbone.js, Ember.js, Node.js, GWT Development experience in open source projects, especially large scale projects a plus. Experience developing at-home projects used by a medium to large size au