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React Native

React Native ADB permission denied issue

While running the react native script for the first time there might be a permission issue of ADB. Instead of giving a full permission to ADB in the android_sdk/platform tools adb in linux it might happen. After giving the permission though it shows the permission issue while running the react native app in the mobile…

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React Native

Upgrade the expo app version

Recently I made an expo application but while building it in the server and uploading it to the play store gives me error like “You need to use a different version code for your APK or Android App Bundle because you already have one with version code 1.” After searching  a lot I found that…

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React Native

Access error while installing realm with npm

Realm is the object oriented database management system. It is an amazing alternative for SQLite and Core data. It also provides seamless integration with your local database to its cloud storage. You can visit their official website and find yourself. Their query speed is amazing. While installing the realm in the react native application it…

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Others

Redirect your custom domain to heroku app

You might have developed a fully functional website and ready for the production so that you can show it to the world. By default heroku gives a default domain like yourdomain.herokuapp.com . Now you wanted to replace that domain with other domain name you wanted like yourdomain.com. It is quite simple and straightforward. I am…

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python scraping

Splash for scraping javascript pages

Splash is a library which integrate the javascript with the scrapy. Most of the modern website uses ajax request  hence it takes certain time to load the data even after the DOM element finishes loading. In such websites scrapy alone cannot scrape the data. For this additional library called splash should be used. As an…

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python scraping

Getting started with scrapy

Scrapy is one of the popular and powerful framework of python which is used for web scraping and data mining. Unlike different web scraping modules and libraries like requests,beautiful soup it has its own ecosystem. Using scrapy concurrent request can be send to the server/website so one requests does not wait for the previous one…

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