During my bachelor, I discussed ideas for mobile applications with a couple of fellow students. Eventually, we realized that whenever we visited new cities, we had difficulties finding good bars and clubs that suited our tastes. It is possible to search for clubs via Google search and get a list of bars, restaurants, and clubs in the surrounding. However, in some cases smaller venues are masked by the bigger ones or would not show up at all in the search results. Furthermore, it is fairly difficult to search for places with a particular theme (such as venues playing alternative music). Many of these clubs and bars are known to locals through word of mouth. Other apps exist, that list local events in bigger cities. However, it is not possible to directly search for bars, clubs or restaurants on these apps.
The idea of an app displaying local nightclubs seems to cover a niche that has not been explored yet. Ideally, the app will keep entries of all relevant venues worlwide and offer a centralized solution for people that are looking for places in unfamiliar cities.

One summer night when I was visiting my brother, my brother and I came across a challenge: At that time, my brother was using the network of his university for WiFi access. Unfortunately, he was far away from the closest access point, which led to an inconsistent Internet connection and a weak signal. He was using a USB WiFi amplifier which was designed in a way that it receives (weak) WiFi signals and amplifies them, providing a strong output signal to a device via the USB connection.
Fig.1 - Example of a TP-Link USB WiFi amplifier.
The problem was that the amplifier had to be connected to his laptop at all times to ensure a good Internet connection. Also, the amplified signal was only available to the device the amplifier was connected to, meaning it did not act as an access point for multiple devices. After discussing this issue with him, I was determined to help him and I was convinced that there are products online, offering a wireless extensions of a WiFi signal. Many people are familiar with WiFi repeaters, which receive a WiFi signal and "repeat" that signal for an increased signal range. These repeaters have one downfall: They require an Ethernet connection to the main access point, which sends the WiFi signal. And even when there were offers for wireless repeaters that did not require an ethernet connection to the main access point, they required a setup with the main network which is not possible if one does not have the access rights to that network. After some research, my brother and I found a solution to this problem which involves using a Raspberry Pi in combination with the aforementioned WiFi amplifier. Thankfully, there are quite a few tutorials online, discussing the setup of a Raspberry Pi for wireless WiFi extension.
In this tutorial, Gus from "pimylifeup" demonstrates how to set up a Raspberry Pi for wireless WiFi extension. The walkthrough provided here will mainly refer to the tutorial from pimylifeup.

Notice: The information given in the following paragraph is not financial advice! Always DYOR before commiting to an investment!
A while back I opened an account at an online stock broker (DeGiro). For the first year, I didn't really make any moves but in early 2020 I decided to do some research on companies that could be worth investing in. At that time the global Covid pandemic started and, as many can recall, with the lockdowns the market took a severe beating. Like many others, I recognized the great potential of investing in companies that were shaken up by the pandemic and were undervalued. Fortunately, I opened the account with my stock broker the year prior which meant that I didn't have the trouble of waiting for account verification, as many others had to. Due to the increased interest of people in investing, many brokers had issues verifying the increasing amount of newly opened accounts on their platforms.
I fairly quickly deposited some money to my account and started buying stocks: For the beginning, I wanted to focus on medium to big German companies, as I am most familiar with the German market. After a quick search I found my first company: Lufthansa AG. Lufthansa is a German is the largest German airline and the second-largest airline in Europe in terms of passengers carried.

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