Can you imagine how many scraping instruments are at our service? Though it has a long history, scraping has at last become a multi-lingual and simple approach. Unfortunately, there is a list of non-trivial tasks which can’t be resolved in a snap.
One of these tasks is scraping javascript sites, those that output data using JavaScript. Facing this task, classic scrapers (not all of them though) ignore JS-data and continue their own life-cycle. However, when this little defect becomes a big trouble, developers all over the world take measures. And they did it! Today we consider one of the most awesome tools which scrapes JS-generated data – Splash.
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SQL (Structured Query Language) is a powerful language for working with relational databases, but quite a few people are in fact ignorant of the dark side of this language, which is called SQL-injection. Anyone who knows this language well enough can extract the needed data from your site by means of SQL – unless developers build defenses against SQL-injection, of course. Let’s discuss how to hack data and how to secure your web resource from these kinds of data leaks! 
Web scraping or crawling is the act of fetching data from a third party website by downloading and parsing the HTML code to extract the data you want. It can be done manually, but generally this term refers to the automated process of downloading the HTML content of a page, parsing/extracting the data, and saving it into a database for further analysis or use. 
Recently we executed the