JavaScript
We all know that there is a concept with immutable and mutable values in javascript. But what does it mean? How do we encounter it in programming and what are the points that we should remember when working with them? Those are the questions that will be answered in this tutorial in deep.
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JavaScript
Javascript provides many concepts under the hood. You may be using it without knowledge of its existence. Wrapper objects are one concept like that.
Read more “06. Wrapper objects in Javascript”
JavaScript
Globals, undefined and null values are special concepts that we need to know when working with Javascript. Especially what both undefined and null means when you encounter it running the program. Globals are also an important concept that may give you an understanding of different attributes, the scope and variables that can be created and accessed when programming
Read more “05 Global, null and undefined values in Javascript”
JavaScript
Javascript, just like any other language uses boolean to represent logical true or false. It has two reserved keywords true and false to represent a boolean value. Booleans are mostly comparative results as it will compare a value to another and check equality generally. Javascript compared to other languages have both strict and loose comparisons that we should mind when using. Lets start to explore more on Javascript Booleans and Equality
Chakra UI
Chakra UI is becoming very popular as an HTML styling framework that allows you to style components in a more React way rather than css. One of the problems that people face is how to add animations to the React components using Chakra UI Animations.
Read more “Chakra UI Animations”
AWS
When you have millions of entries of data to be inserted into PostgreSQL as a backup or for any reason, its often hard to iterate and insert into a table. For this scenario, PostgreSQL AWS extensions provide COPY command for S3 files to copy files from S3 to PostgreSQL RDS directly.
Read more “How to copy files from S3 to PostgreSQL RDS”
Python
Pandas DataFrame is a very useful data type in Python to format and order data in different ways. One of its use is to write Dataframe to a file and read back to a DataFrame when it is needed.
Read more “How to save pandas Dataframe to a file and read back”