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 →Technical Articles
In-depth guides, insights, and best practices for modern software engineering
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 …
Read Article →How to Order by File Size using the du command in Linux
If you use the du command to list all the file sizes on Linux:
du
# or
du -h # Human readable
Then you would have noticed that they are not ordered by …
Read Article →How to Join Multiple MySQL Tables in Python
First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to [How to Install MySQL Driver in Python]1.
Presenting …
Read Article →How to Limit a MySQL Query in Python
First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to [How to Install MySQL Driver in Python]1.
How to Limit …
Read Article →How to Update a MySQL Table in Python
First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to [How to Install MySQL Driver in Python]1.
How to Update …
Read Article →How to Drop a MySQL Table in Python
First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to [How to Install MySQL Driver in Python]1.
How to …
Read Article →How to Delete MySQL Records in Python
First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to [How to Install MySQL Driver in Python]1.
How to Delete …
Read Article →How to ORDER BY a MySQL Query in Python
First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to [How to Install MySQL Driver in Python]1.
How to Sort …
Read Article →How to Filter WHERE MySQL Queries in Python
First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to [How to Install MySQL Driver in Python]1.
How to Select …
Read Article →How to Select From MySQL in Python
First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to [How to Install MySQL Driver in Python]1.
How to Select …
Read Article →How to Insert into a MySQL Table in Python
If you need to insert data into a MySQL table using Python, then look no further.
If you need to first learn about the mysql.connector and how to get …
How to Create a Primary Key for a MySQL Database in Python
You can create a Primary Key for your MySQL database in Python as follows.
First, you need to know if the Primary Key already exists.
Option 1 – The …
Read Article →How to Create a MySQL Table in Python
If you need to create a table in a MySQL database using Python, then you can do the following.
How to Create a MySQL Table in Python
import …How to Create a MySQL Database in Python
In order to create a MySQL database in Python, you first need to initiate a connection using the mysql.connector. You can learn about how to create a …
How to Install MySQL Driver in Python
To begin using MySQL in Python, you need to do the following:
Step 1 – Install the MySQL Connector
Using pip, we can install the MySQL Connector …
How to Resize an AWS EBS Volume in Bash
If you need to resize an EBS volume in AWS, you can do so using bash.
Step 1 – Create a bash file
Create a bash file called resize.sh:
#!/bin/bash …How to get all checked checkboxes in Javascript
If you need to get all the checked checkboxes using Javascript, then you can do the following:
Option 1 – In a single line
const checkedBoxes = …How to Setup Credential Helper for AWS CodeCommit
AWS CodeCommit is a git code repository service by Amazon Web Services.
You will want to clone your repository and setup your remotes using credential …
How to Flex Grid 2 Columns using CSS
If you would like to flex grid 2 columns in CSS then you need three (3) divs.
Step 1 – Set your HTML template
Create some HTML with this layout. …
Read Article →How to Create a Hashtag Generator in Javascript
If you want to create a hashtag generator in Javascript, then you can do the following:
function generateHashtag(string) {
if (string.trim() === …How to Confirm before Leaving Page in Javascript
You can implement a function to be called before the user leaves a page with Javascript as follows:
window.onbeforeunload = function(e) {
return …What are the multiples of 3 from 1 to 1000
If you need to calculate the multiples of 3, starting from 1 up until 1000, then you can use the following code:
n = 1
v = []
while n <= 1000: …How to Count Files in Directory on Linux
If you need to count how many files are in a directory on Linux, then you can use a combination of the ls command to list all the files, and the wc …