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With NodeJS I can use PhantomJS to help me to scrape dynamic website, with Python I can use Selenium to do this job.
How about in GoLang?
Give it a try on Go lang selenium web drivers
https://github.com/knq/chromedp : Package chromedp is a faster, simpler way to drive browsers (Chrome, Edge, Safari, Android, etc) without external dependencies (ie, Selenium, PhantomJS, etc) using the Chrome Debugging Protocol.
https://github.com/sourcegraph/go-selenium : Selenium WebDriver client for Go
https://github.com/tebeka/selenium : Selenium/Webdriver client for Go
Static Crawler Reference
You can use github.com/PuerkitoBio/gocrawl library or built your custom crawler, basic idea is here https://tour.golang.org/concurrency/10.
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I'm trying to scrape a site using Golang and in order to get more content I need to click on a <button> and wait some seconds. (Notice: There is no Pagination in the site)
I found some cool packages to do web scraping like:
surf (gopkg.in/headzoo/surf.v1)
goquery (github.com/PuerkitoBio/goquery)
But I can't find how to click on a button.
Is there a package that can do that? Or do I need to use ChromeDriver/Headless Chrome/etc.?
As found in: https://stackoverflow.com/a/26823658/4784357
Open the Network tab in the web browser developer tools and check what is happening when clicking the button to continue using a package like goquery, surf, etc.
In other cases, a web browser needs to be automated to do such task.
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Is there a recommended add-ons in the firefox, which is has the most features that postman have?
There's a few:
Rested
RESTClient
REST Easy
I liked PostMan, it was the main reason why I kept using Chrome, now I'm good with HttpRequester
https://addons.mozilla.org/En-us/firefox/addon/httprequester/?src=search
The feature that I'm missing a lot from postman in Firefox extensions is WebView
(preview when API returns HTML).
Now I'm settled with Fiddler (Inspectors > WebView)
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I want to learn AJAX from scratch on my own. My seniors have told me that AJAX requires a library, such as jQuery.
I have searched on Google and various forums, but I could not find anything like a library. I am really very confused; please tell me if there is such a thing as a library for AJAX?
For pure Javascript, use XMLHttpRequest for AJAX requests. See this article for instructions on how to use it.
If you're using jQuery, see the jQuery AJAX documentation instead.
Yes there is a library that is called AJAX Control Tool Kit for developers
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Espresso has live preview feature which shows live changes of code as we write code.
I am searching for same feature in a tool for Windows?
Dreamweaver has that one, but doesn't support JS. Is there any other web editor or IDE?
The closest I know of is the IntelliJ platform (WebStorm/IntelliJ IDEA) with the live edit plugin. It works in combination with a Chrome plugin.
You can watch a demonstration of live edit in action here
Instructions for setting up the Chrome plugin are here.
Shameless plug: LIVEditor - the product name contains the word live, in order to emphasize its feature to show live html/css preview, which is, alone with the integrated Firebug-like html element inspector for showing applied css styles, the most important nature of this code editor.
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Where can I find code-examples for socket.io?
Thanks
Have you checked the Projects using Socket.IO section here on the Socket.IO wiki? There are several resources there. There's also a great example tutorial here by Dave Walsh, and here's a chatroom example.
I would play around with balloons.io. It is a pretty full featured chat app, that uses socket.io, node.js and redis.
http://balloons.io/
The project is open-source on github
https://github.com/gravityonmars/Balloons.IO
I have created a brand new chat piece of functionality for our website using many of the characteristics of this project. I would strongly recommend downloading it and getting it running on your localhost.