How to Deploy React App to S3 and CloudFront
If you would like to deploy a React App to AWS S3 and AWS CloudFront, then you can follow this guide.
The following solution creates a React App and …
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In-depth guides, insights, and best practices for modern software engineering
[Solved] export ‘Switch’ (imported as ‘Switch’) was not found in ‘react-router-dom’
In react-router-dom v6, Switch is replaced by routes Routes.
You need to update the import from:
import { Switch, Route } from …How to List all Files/Folders/Directories in Python
If you need to list all Files, Folders, or Directories in Python code, then you can use the listdirs method from the os package.
import os …How to Read a File in Python
If you need to read a file in Python, then you can use the open() built-in function to help you.
Let’s say that you have a file called …
Read Article →How to Drop Columns in Pandas Only If Exists
If you have a Pandas DataFrame, and want to only drop columns if they exist, then you can do the following:
Add parameter errors to DataFrame.drop: …
[Solved] An error occurred while calling o86.getDynamicFrame. Exception thrown in awaitResult:
If you are running a GlueJob in AWS and get the following error:
An error occurred while calling o86.getDynamicFrame. Exception thrown in awaitResult: …
AWS CDK Commands
The AWS Cloud Development Kit (CDK) comes with a list of commands that you need to know: …
Read Article →How to Make a Java Jar File Executable
Let’s say you have a Java project as follows:
package ms.ao.something;
public class MyProject {
public static void main(String...args) …How to List All Resources in an AWS Account
If you need to see a list of all the resources in your AWS Account, then you need to look into the Tag Editor.
Step 1 – Tag Editor
Search for Tag …
Fixed size left column and fluid right column both with 100% height in CSS
If you need two (2) columns and want the left column to be a fixed size, but the right column to automatically take the remaining size of the window, …
Read Article →How to Check if a Volume is Mounted in Bash
If you need to check if a volume is mounted in a Bash script, then you can do the following.
How to Check Mounted Volumes
First we need to determine …
Read Article →How to Determine if a Bash Variable is Empty
If you need to check if a bash variable is empty, or unset, then you can use the following code:
if [ -z "${VAR}" ];
The above code will check …
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