Tech on Alex_Tech_Blog

Building a CLI Grammar Checker with AWS Bedrock: A Beginner's Guide

Thu, 24 Jul 2025 18:34:21 +0000

Guest Author: Anthropic’ Claude Sonnet 4

AWS Bedrock makes it incredibly easy to integrate powerful AI models into your applications. In this tutorial, we’ll build a command-line grammar checker that uses Claude 3.5 Haiku to improve text clarity and fix grammatical errors.

What You’ll Learn

How to set up AWS Bedrock
Creating a simple CLI application with AI integration
Using prompt engineering for specific tasks
Building an interactive terminal interface

Prerequisites

Before we start, you’ll need:

How to tail -f Cloudwatch logs

Mon, 21 Jun 2021 13:54:11 -0400

Get all the groups from the Cloudwatch

aws logs describe-log-groups | grep logGroupName

Plug the group into the ’logs tail’ and run in the background

aws logs tail --follow <group> --format short

3rd party solutions

jorgebastida/awslogs: AWS CloudWatch logs for Humans™
rpgreen/apilogs - For Lambda and API logs

Amazon Honeycode cheat sheet

Thu, 18 Feb 2021 10:05:46 -0500

A collection of scraps and code that I need to reference all the time. Amazon Honeycode, which is available in beta, is a fully managed service that allows customers to quickly build powerful mobile and web applications – with no programming required.

Any code example in this post has no warranty at all.

Returns true if the row is found. IsRef( )

=ISREF(FindRow(Tasks, "Tasks[Completed]=%", "Yes"))

Condition for conditional styling

=[Status]="Not done"

Filter a Column List or Stacked List based on a form field. Filter( )

Python environments

Wed, 02 Dec 2020 09:23:25 -0500

This post is self-service cheat sheet for Python environment and version management. One of the biggest problem with virtual environment in Python is the multiple tools available and how they play together.

The post starts from a point that you already know the options and want to test and try.

XKCD - Python Environment

pipenv

In case you are using pipenv with different python version. The Pipfile tells pipenv what version to use. In case the version is not installed, Pipenv will call pyenv to install.

AWS Labs

Sat, 21 Nov 2020 09:57:08 -0500

Amazon Web Services Labs has several experiments to help with day by day AWS management and development. Some of my favorites:

awslabs/aws-lambda-powertools-python - A suite of utilities for AWS Lambda Functions that makes tracing with AWS X-Ray, structured logging and creating custom metrics asynchronously easier
awslabs/awscli-aliases - AWS CLI aliases
awslabs/git-secrets - Prevents you from committing secrets and credentials into git repositories
awslabs/aws-serverless-express - Run serverless applications and REST APIs using your existing Node.js application framework, on top of AWS Lambda and Amazon API Gateway
awslabs/aws-support-tools - Tools and sample code provided by AWS Premium Support
awslabs/aws-cloudformation-templates - A collection of useful CloudFormation templates

Using AWS Code Commit

Fri, 20 Nov 2020 15:14:17 -0500

Making sure the AWS CLI is proper installed in the computer

$ aws sts get-caller-identity

It should show your account information

{
 "Account": "123456789012",
 "UserId": "AKIAIOSFODNN7EXAMPLE",
 "Arn": "arn:aws:iam::123456789012:user/Alice"
}

Ensure CodeCommit is installed

$ aws codecommit help

Setting up your CodeCommit repository

Create CodeCommit repository

$ aws codecommit create-repository --repository-name <repository name>

Initialize a new git repository

$ git init

Add your CodeCommit repository as a remote

$ git remote add origin codecommit://<repository name>

Adding Progressbar to a Jupyter Lab Notebook

Wed, 05 Feb 2020 17:22:55 -0500

pip3 install tqdm --user

from tqdm import tqdm
for i, row in tqdm(df.iterrows(), total=df.shape[0]):
 ifor_val = something
 if <condition>:
 ifor_val = something_else
 df.at[i,'ifor'] = ifor_val
 pass

Leveraging Swifter for Pandas Lambda function

Wed, 05 Feb 2020 17:22:55 -0500

Leveraging Swifter for Pandas Lambda function:

import swifter

df['new_column'] = df.swifter.progress_bar(True).apply(lambda x: some_function(x['existing_column']),axis=1)

logging in Python

Wed, 05 Feb 2020 17:22:55 -0500

Snippet how to log data in Python

import logging

logging.basicConfig(
 format='%(asctime)s - %(levelname)s - %(module)s - %(message)s',
 level=logging.INFO,
 filename='log.log'
)

AWS Amplify Console to deploy Hugo website

Fri, 19 Jul 2019 16:29:45 -0400

What is the AWS Amplify Console?

AWS Amplify Console provides a complete workflow for developing, deploying, and hosting single page web apps or static sites with serverless backends. Continuous deployment allows developers to deploy updates to their web app on every code commit to their Git repository. When the build succeeds, the app is deployed and hosted on an amplifyapp.com subdomain. Developers can connect their custom domain to start receiving production traffic.

Automatic Login in SSH using config file

Tue, 18 Dec 2018 21:08:08 -0500

Remembering tons of SSH hosts and respective signature files is hard. This is when the config file comes in place. Edit the file ~/.ssh/config.

$ vi ~/.ssh/config

Add the following:

Host server1
 HostName server1.example.com
 User root
 Port 22
 IdentityFile ~/.ssh/test.pem

Next time you try to login to the server:

$ ssh server1

Using PHP to query SalesForce

Sun, 16 Dec 2018 10:19:08 -0500

Quick gist showing how to use PHP and PHP-Curl to query Salesforce data

Convert esriFieldTypeDate, ESRI date, or epoch to a date format using javascript

Wed, 04 Sep 2013 10:19:08 -0500

// eftd is an esriFieldTypeDate
eftd = 1379894400000;
dt = new Date(eftd).toUTCString(); // "Mon, 23 Sep 2013 00:00:00 GMT"
dt = new Date(eftd).toISOString() // "2013-09-23T00:00:00.000Z"
dt = new Date(eftd).toISOString().substr(0,10); // "2013-09-23"

dt = new Date(eftd);
dtStr = dt.getFullYear()+ '-' +(dt.getMonth() + 1)+ '-' +(dt.getDate() + 1); // "2013-9-23"