Forem: Khoi Doan (Osbkca)

Top 4 Text Recognition Applications in 2024

Khoi Doan (Osbkca) — Thu, 22 Feb 2024 01:45:15 +0000

Introduction

In the ever-evolving landscape of technology, text recognition applications have become integral tools for various industries and everyday tasks. These applications leverage advanced machine learning and optical character recognition (OCR) technologies to extract and interpret text from images, documents, and other sources. As we step into 2024, let's explore the top five text recognition applications that are making a significant impact across different domains.

Xclippy

Xclippy.com remains at the forefront of text recognition applications in 2024. Known for its robust OCR capabilities. With support for multiple languages, Xclippy in accurately extracting text from images, videos, PDF and any documents making it a preferred choice for people looking to enhance their data processing workflows.

ABBYY FineReader

ABBYY FineReader has long been recognized as a powerhouse in OCR technology, and in 2024, it continues to hold its place among the top text recognition applications. This versatile tool is adept at converting scanned documents, PDFs, and images into editable and searchable formats. Its exceptional accuracy in recognizing various fonts, layouts, and languages makes it a go-to solution for businesses and individuals alike.

Microsoft Azure Cognitive Services - Computer Vision

Microsoft's Azure Cognitive Services, particularly the Computer Vision API, is a comprehensive platform that includes powerful text recognition capabilities. With the ability to analyze and extract information from images and documents, this service is widely used in fields such as healthcare, finance, and legal industries. The integration of Azure Cognitive Services with other Microsoft products further enhances its appeal for organizations invested in the Microsoft ecosystem.

Adobe Acrobat DC

Adobe Acrobat DC, a well-established tool for working with PDF documents, incorporates advanced text recognition features. In 2024, Adobe has enhanced its OCR capabilities, allowing users to convert scanned documents and images into editable and searchable PDFs. With its intuitive interface and seamless integration with other Adobe Creative Cloud applications, Acrobat DC stands out as a preferred choice for professionals dealing with document workflows.

Conclusion

As we navigate through 2024, text recognition applications continue to play a pivotal role in streamlining processes and improving efficiency across various industries. Whether it's extracting information from invoices, digitizing historical documents, or enhancing accessibility for visually impaired individuals, these applications contribute significantly to advancing technological capabilities. Choosing the right text recognition tool depends on specific use cases, requirements, and the level of customization needed, but the options highlighted above represent some of the top choices in the evolving landscape of text recognition in 2024.

Boost Your Productivity with Xclippy - Clipboard Manager for macOS!

Khoi Doan (Osbkca) — Mon, 04 Sep 2023 14:23:26 +0000

Are you tired of juggling multiple copy-paste actions on your Mac? Say hello to seamless organization and efficiency with our advanced Clipboard Manager!

🚀 Experience the Power of Xclippy
No more lost text snippets or forgotten URLs. Our Clipboard Manager for macOS empowers you to copy and store multiple items, making them readily accessible whenever you need them. Whether you're a student, a professional, or a creative enthusiast, our tool streamlines your workflow.

✨ Why Choose Xclippy?

Effortless Storage: Store numerous text snippets, links, and images with a simple copy-paste.
Intelligent Organization: Group related items, label them, and find what you need in an instant.
Search in a Flash: Our intelligent search feature helps you locate your stored content quickly.
Privacy Matters: Rest easy knowing your sensitive data remains on your device.
Seamless Integration: Works harmoniously with your favorite apps, boosting your overall productivity.
Use Hotkeys: Use shortcuts for even quicker access.
User-Friendly Interface: Intuitive design for a smooth and enjoyable experience.

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Embrace the convenience of having your frequently used content at your fingertips. Whether you're a researcher, developer, writer, or multitasker, Xclippy enhances your Mac experience.

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Build a docker image for backup Mysql database to AWS S3

Khoi Doan (Osbkca) — Thu, 15 Dec 2022 10:13:04 +0000

In this tutorial, we will build a docker image for cronjob on Kubernetes to auto backup Mysql database.

Let’s build a docker image with Dockerfile:

FROM mariadb:latest

WORKDIR /app
RUN apt-get update && apt-get install -y curl unzip python3 python3-venv

RUN ln -s /usr/bin/python3 /usr/bin/python
RUN curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" -o "awscli-bundle.zip" && unzip awscli-bundle.zip && ./awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws
COPY backup_to_s3.sh ./backup_to_s3.sh

ENTRYPOINT [ "./backup_to_s3.sh" ]

In this Dockerfile, we use mariadb:latest to call mysqldump . In addition, we also install aws-cli to be able to interact with AWS using the command line.

File backup_to_s3.sh

#!/bin/bash

# Dump and upload to S3
FILE_NAME=backup-$(date "+%Y-%m-%d-%H%M%S").sql
mysqldump -h $DATABASE_HOST -P 3306 -u $DATABASE_USER --password=$DATABASE_PASSWORD $DATABASE_NAME > $FILE_NAME
aws s3 cp $FILE_NAME s3://$AWS_S3_BUCKET/$FILE_NAME

Don’t forget run chmod a+x backup_to_s3.sh

docker build -t backup_mysql:latest .

I have posted this docker image to my Docker Hub account osbkca/backup_mysql

Deploy a CronJob to Kubernetes
mysql-cronjob-backup.yaml

apiVersion: batch/v1
kind: CronJob
metadata:
  labels:
    app: auto-backup-mysql
  name: auto-backup-mysql
spec:
  jobTemplate:
    spec:
      template:
        spec:
          affinity: {}
          containers:
          - env:
            - name: DATABASE_HOST
              value: <change_value>
            - name: DATABASE_USER
              value: <change_value>
            - name: DATABASE_PASSWORD
              value: <change_value>
            - name: DATABASE_NAME
              value: <change_value>
            - name: AWS_S3_BUCKET
              value: <change_value>
                        - name: AWS_ACCESS_KEY_ID
              value: <change_value>
            - name: AWS_SECRET_ACCESS_KEY
              value: <change_value>
            image: osbkca/backup_mysql:latest
            imagePullPolicy: Always
            name: backup-container

  schedule: 12 09 * * *
  successfulJobsHistoryLimit: 3
  suspend: false

To deploy:

kubectl apply -f mysql-cronjob-backup.yaml

Enjoy it! More Info here

Using kubectl to manage multi clusters

Khoi Doan (Osbkca) — Thu, 08 Dec 2022 04:19:11 +0000

The Kubernetes command-line tool, kubectl, allows you to run commands against Kubernetes clusters. You can use kubectl to deploy applications, inspect and manage cluster resources, and view logs. For more information including a complete list of kubectl operations, see the kubectl documentation.

In this tutorial, I want to share with you how to connect to multi Kubernetes Cluster by using kubectl on a computer.

For configuration, kubectl looks for a file named config in the $HOME/.kube directory. To show current configuration, you run command:

kubectl config view

Result:

apiVersion: v1
clusters:
- cluster:
    certificate-authority-data: DATA+OMITTED
    server: https://192.168.1.50:6443
  name: cluster-one.me
contexts:
- context:
    cluster: cluster-one.me
    user: khoidn
  name: cluster-one.me
current-context: cluster-one.me
kind: Config
preferences: {}
users:
- name: osbkca
  user:
    client-certificate-data: REDACTED
    client-key-data: REDACTED

In above configuration, we have one cluster cluster-one.me. If you have another cluster cluster-second.me with file config at ~/.kube/cluster-second.config . Use the following commands to merge configuration files.

export KUBECONFIG=~/.kube/config:~/.kube/cluster-second.config
kubectl config view --flatten > ~/.kube/config_temp
mv ~/.kube/config_temp ~/.kube/config

Now you run kubectl config get-contexts to see the differences.

CURRENT   NAME              CLUSTER            AUTHINFO   NAMESPACE
*         cluster-one.me    cluster-one.me     osbkca
          cluster-second.me cluster-sencond.me osbkca

You can switch context of kubectl with the command kubeclt config use-context cluster-sencond.me

Wooow! Enjoy it. More info

Overview some concepts in Kubernetes (K8s)

Khoi Doan (Osbkca) — Thu, 01 Dec 2022 10:19:05 +0000

Hi everyone, In prev post, we already known overview about Kubernetes. In this tutorial, we will learn some core concepts in Kubernetes

Pods - a group of one or more containers
Pods are the smallest deployable units in Kubernetes system. Pods locates in worker nodes where contains one or more containers. Each Pod like a logic machine ( have IP, hostname, process separate)

Why do you need Pods?
You are wondering why not run containers in worker nodes? Actually, Pod is a high level of a container. With a Pod, you can run one or more containers which will have a IP and share a volume.

Basic Pod configuration.
To create a Pod in Kubernetes, we will config with a yaml file or json file. In this tutorial, I will use a yaml config file.

Create a file with name pods.yml

apiVersion: v1
kind: Pod
metadata:
 name: nginx-name
spec:
 containers:
 - image: nginx
     name: nginx-name
 ports:
 - containerPort: 80
     protocol: TCP

Notes: Indentation is important in yaml file.

apiVersion: version of Kubernetes API
kind: The component will be created (here is Pod)
metadata: Give a name for Pod
spec: Describe about image, list containers, .. of the Pod Run below command to create a Pod:

kubectl apply -f pods.yaml

To verify Pod was created, run:

kubectl get pods

Using labels in Pods
With big system, we have many pods in Kubernetes cluster. To manage effectively, we can use Labels to collect Pods to small groups.

With Label have two attributes

app: Example ui, order, …
rel: Example stable, beta and canary

apiVersion: v1
kind: Pod
metadata:
 name: nginx-name
 labels:
   app: ui
   rel: stable
spec:
 containers:
 - image: nginx
     name: nginx-name
 ports:
 - containerPort: 80
     protocol: TCP

Apply this change by run below command:

kubectl apply -f pods.yaml

To get all pods in Kubernetes with labels

kubectl get pods --show-labels

ReplicaSet
When a Pod run on Kubernetes, it may be shutdown or crash by many suddenly problems. ReplicaSet ensure that when Pod crashed, it will be created immediately again. ReplicaSet will maintain number of Pod which is declared in config file before. Example:

apiVersion: apps/v1
kind: ReplicaSet
metadata:
  name: frontend
  labels:
    tier: frontend
spec:
  # modify replicas according to your case
  replicas: 3
  selector:
    matchLabels:
      tier: frontend
  template:
    metadata:
      labels:
        tier: frontend
    spec:
      containers:
      - name: php-redis
        image: gcr.io/google_samples/gb-frontend:v3

Notes: matchLabels must match with labels in metadata of template section.

Service
Service like a bridge between components in Kubernetes.

As you know, the Pods have their own IP. Client can connect to the Pods by their IP or hostname. However, when you deploy a new version of Pod or ReplicaSet recreate new versions then IP of Pods will be changed. Furthermore, in Kubernetes has many Pods running at the same time, the clients should not all IPs of Pods. It only should know name of service.

NextJS + Notion build a website

Khoi Doan (Osbkca) — Tue, 04 Oct 2022 15:58:19 +0000

Object

I want to build a blog for myself or my SaSS with the lowest cost? I set the criteria:

Good for SEO
Having WYSIWUG (What you see is what you get)
Easy for content editors management

Solution
NextJS for build website
Referring to good SEO we must mention the NextJS framework. You can build the APIs if you use NextJS, no need to understand too deeply in the project configuration. NextJS gives you a basic layout for your project. You can get started right away without having to install too many things.

Notion for database and editor
If you've ever used Notion, you will surely be impressed with the way text is organized in Notion. You will be even more impressed if you use the editor on a page of Notion. After using it for a while, I came up with an idea: Why don't I use Notion as a CMS for my website. That's great, if you can do it, you can of course manage the editor with Notion, can use Notion's editor very easily and quickly. Imagine being able to drag and drop to change the position of text, upload images and save on website development fees. I used this stack to build Xclippy Website with no cost :)

Documents

Demo

Happy coding!!

How to get file path from clipboard in ElectronJS

Khoi Doan (Osbkca) — Mon, 26 Sep 2022 09:53:27 +0000

To get file path of a file which you have copied on the your computer through ElectronJS depends on the operating system run the Electron application on.
In this article, I work on two popular operating system MacOs and Windows

On MacOS:

const filePath = clipboard.read('public.file-url').replace('file://', '');

On Windows:

const rawFilePath = clipboard.read('FileNameW');
const filePath = rawFilePath.replace(new RegExp(String.fromCharCode(0), 'g'), '');

import { clipboard } from "electron";
export const getFilePathFromClipboard = () => {
  let filePath = "";
  if (process.platform === "darwin") {
    filePath = clipboard.read("public.file-url").replace("file://", "");
  }

  if (process.platform === "win32") {
    filePath = clipboard
      .read("FileNameW")
      .replace(new RegExp(String.fromCharCode(0), "g"), "");
  }

  return filePath;
};

I used above code for my love app Xclippy