How to Convert an Integer to a String in C
If you need to convert an Integer to a String in C, then you can do one of the following:
Option 1 – Use sprintf()
int sprintf(char *str, const char …
Technical Articles
In-depth guides, insights, and best practices for modern software engineering
Option 1 – Use
How to append to an Array in Elasticsearch using elasticsearch-py
If you are using the Official ElasticSearch Python library (Docs), and you want to create an index:
doc = {
"something": "123a", …How to Copy Text to the Clipboard in Python
If you need to Copy Text to the Clipboard using your Python application code, then you can do the following:
Option 1 – Using pyperclip
First install …
Read Article →How to Read a PDF file in Python
If you need to read a PDF (Portable Document Format) file in your Python code, then you can do the following:
Option 1 – Using PyPDF2
from PyPDF2 …How to Convert HEX to RBG in Python
If you need to convert HEX (Hexadecimal) to RGB (Red-Green-Blue) in your Python code, then you can do the following:
Option 1 – Using the PIL library …
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How to Refer to a Null Object in Python
If you need to refer to a Null Object in your Python code, then you can do the following.
It is important to note that Python does not have a Null …
How to Convert Bytearray to String in Python
If you need to convert a Bytearray to a String in Python, then you can do the following:
This comes up when working with binary data from network …
Read Article →How to get the Hostname in Python
If you need to get the Hostname in your Python application, then you can do the following:
Option 1 – Using gethostname()
import socket …How to get the IP Address in Python
If you need to get the IP Address in your Python application, then you can do the following:
Option 1 – Using socket.gethostname()
import socket …How to use SSH in your Python application
If you need to make an SSH connection and issues commands over SSH using your Python application, then you can do the following:
Option 1 – Using the …
Read Article →How to Pause a Program in Python
If you need to pause the execution of your Python program, then you can do the following:
Option 1 – Using time.sleep()
import time
time_duration = …How to Convert String to Double in Python
If you need to convert a String to a Double in your Python code:
Python doesn’t have a separate double type — float() gives you a 64-bit …
How to a Run Bash Command in Python
If you need to run a bash command in your Python code, then you can do the following:
Option 1 – Using run() from subprocess Module
from subprocess …How to Force Redeployment of AWS API Gateway using AWS CloudFormation
If you have an AWS API Gateway resource, and need it to force a redeployment using CloudFormation, then you can use the TIMESTAMP trick.
Example AWS …
Read Article →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 …
Read Article →[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, …
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