During his break from streaming, Hennig still watched Twitch streams and wondered how they could be used to evangelize.

Data structures are containers that store data in a specific layout format. This specific layout format enables the data structure to have specific qualities that differentiate itself from other data structures and makes it strong and weak for different use case scenarios.

Still, to Hennig, Twitch is ultimately just a tool. “The only reason why I’m playing is to really, really take the gospel to gamers,” he says. “If there were no game, I would just be door knocking.”

Regardless of your profession, your daily work involves data. Whether you are a chef, software engineer, or even a fisherman, you still work with data in various different forms.

But on the contrary, I believe learning data structures, right from the start, is essential. Data structures are mainly beneficial for building efficient applications. An application built using data structures will be more efficient than an application built without them. But this does not mean that you should use data structures for each and every requirement. I personally believe that the knowledge of the application of these data structures is more important than the knowledge of the data structures themselves.

But Hennig claims the people he talks to do not seem to mind what he’s doing. “I’m just surprised by the massive amount of kids and adults who respond,” he says. “They’re just like, ‘Yeah, I want to hear about this.’ They’re surprisingly thirsty to hear about what the Bible says about the afterlife and what you know when you die.” He says he has also received several follow-up DMs about personal and theological issues, like whether marijuana is prohibited by scripture and whether sleeping with a girlfriend is acceptable.

It is quite amazing how you can go from zero to a fully professional software engineer solely with the help of free resources available on the internet. But it can also be noted that developers who take this path often disregard the concept of data structures. They believe that knowledge of these data structures wouldn’t benefit them as they’ll only be developing simple applications.

Hennig’s approach has occasionally gotten him in trouble. In mid-July, the DrWitnesser Twitch channel received a seven-day ban for “targeting others with repeated or severe personal abuse.” The evidence for the claim was a clip of Hennig telling a Muslim teen that he would end up in Hell because he had not accepted Christ.

Delete — remove an array element at the given index. This can be performed either by making the element value as undefined or by copying the array elements excluding the element to be removed to a newer array.

In April 2020, Hennig became DrWitnesser. Influenced by Dr. Disrespect, a well-known professional streamer, and Ray Comfort, an Evangelical evangelist and minister known for his on-the-street witnessing practices, the DrWitnesser approach to evangelization is more direct and aggressive than that of GMA or Souza. In the streaming sessions I watched, Hennig joined a random squad of fellow Fortniters, often teens or young adults gaming with their friends. He stayed in-game to talk with players who had mics, informing them that he goes into games to talk about the Gospel. Once players stated they were okay with it, he began to talk about the afterlife and God’s existence, sparking conversation with questions like “Are you going to heaven?” or “Have you committed a sin?” Sometimes, when games ended, he encouraged people to visit his website or look at the Bible for themselves. In multiple instances, he had theological disagreements with people with different beliefs, including people who identify as Jehovah’s Witnesses or as Muslims. A few players even responded with trolling, aggressive cursing, or passionate arguing, making the stream uncomfortable to watch. But in the majority of streams I viewed, most people seemed willing to listen, but not necessarily to agree.

Still, to Hennig, Twitch is ultimately just a tool. “The only reason why I’m playing is to really, really take the gospel to gamers,” he says. “If there were no game, I would just be door knocking.”

There are two types of arrays. They are one-dimensional arrays and multi-dimensional arrays. One-dimensional arrays are the simplest of arrays as they are linear. But multi-dimensional arrays are nested arrays which are basically arrays containing arrays.

Each element in the array is given a positive integer that denotes the location or position of the element in that array. This value is known as the index. Indexes start from zero in most languages and this concept is called zero-based numbering/indexing.

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pre-trained BERT-based models that you can use for keyword extraction. However, I would advise you to use either distilbert — base-nli-stsb-mean-tokens or xlm-r-distilroberta-base-paraphase-v1 as they have shown great performance in semantic similarity and paraphrase identification respectively.

Arrays are one of the simplest and most commonly used data structures. Data structures such as Queues and Stacks are based on Arrays and Linked Lists (which we will look into after arrays).

Schut notes that Hennig’s approach is confrontational and often resembles the culture war narrative that Evangelical leaders like Franklin Graham tend to offer to their followers. “I think a lot of people would follow someone like [DrWitnesser] because he’s comfort food. He reaffirms the beliefs they have about the ‘us versus them’ narrative.”