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CSV vs. JSON - What is the difference?

03/02/2023 | by Patrick Fischer, M.Sc., Founder & Data Scientist: FDS

CSV and JSON are both file formats for storing and transferring data, but they have different structures and uses.

CSV stands for "Comma Separated Values" and is a text-based format consisting of rows of data separated by commas. Each row usually represents a record, with columns corresponding to the various attributes of the record. CSV files are commonly used to store large amounts of table data or to import and export data between different applications.

JSON stands for "JavaScript Object Notation" and is a text-based format used to transfer data between applications. JSON data is arranged in a structured and hierarchical form that allows you to create complex data models. JSON data consists of key-value pairs enclosed in curly braces and separated by commas. JSON is widely used for data exchange between web applications, APIs, and databases.

Overall, it can be said that CSV files are suitable for simple data exchange, while JSON is used for transferring structured and hierarchical data relevant to applications and APIs.

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Introduction to Python: A comprehensive introduction to Python with examples and explanations for beginners

02/28/2023 | by Patrick Fischer, M.Sc., Founder & Data Scientist: FDS

Python is one of the most popular programming languages in the world. It is easy to learn, yet very powerful and flexible. In this post, we will give you a comprehensive introduction to Python and help you learn the programming language step by step.

First of all, we will look at the basic concepts of Python, including variables, data types, conditions, and loops. We'll give you examples that show you how to use these concepts in practice.

Next, we'll look at functions and modules. We will show you how to write your own functions and how to import and use Python modules.

Then we will focus on more advanced concepts like classes and objects. We will show you how to define classes and create objects based on those classes.

Finally, we will show you how to test and debug Python code. We will also share with you some best practices for effective Python code development.

This post is aimed at absolute beginners who want to learn Python. If you have never programmed before, don't worry. We will explain everything step by step.

We are sure that after reading this post you will be able to write Python code and develop your own programs. We hope that you are ready to start your journey into the world of Python programming.

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Tutorial: Running Google Ads for B2B Vendors, Agencies & Service Providers

02/27/2023 | by Patrick Fischer, M.Sc., Founder & Data Scientist: FDS

Placing Google Ads ads for B2B suppliers, agencies, freelancers and service providers. What you must pay attention to

Step 1: Objective and keyword research

Before you start placing ads, be clear about what you want to achieve. Define clear goals, such as increasing the number of visitors to your website, generating leads or increasing sales. Based on these goals, you should conduct your keyword research to identify relevant keywords that you can use in your ads.

Step 2: Create a campaign

To create a Google Ads campaign, you must first sign in to your Google Ads account. Click the "Create Campaign" button and select the goal you want to achieve. You can choose between goals such as "More website hits", "More calls", "More conversions" or "Product and brand awareness".

Step 3: Create ad groups.

After you have created a campaign, you should create ad groups. Each ad group should target a specific keyword or group of keywords. Create ads that align with each keyword to ensure they are relevant to the user's search query.

Step 4: Create ads

Create relevant ads that highlight the benefits of your offer. You should match your ads with the keywords in the ad group to make sure they are as relevant as possible. Use clear and concise language to attract the attention of potential customers. Make sure your ad includes a clear call-to-action that encourages the user to click on your ad and visit your website.

Step 5: Set budget and bid

Before you place your ads, you should set your budget and bid. You can set a daily budget to make sure you keep costs in line. You should also set a bid for your keywords to make sure your ads are placed in the right place.

Step 6: Select target audiences and locations

Select the audiences and locations that are most relevant to your ads. You can select geographic audiences to ensure that your ads are only shown to users in specific regions. You can also use demographic data to ensure that your ads are only shown to specific age groups or genders.

Step 7: Monitoring and optimization

Monitor your ads regularly to make sure they are getting the results you want. Analyze your performance and optimize your campaign by swapping out ads, adding or removing keywords, and adjusting bids. Track your conversion rates and adjust your strategy accordingly. It's important to measure the success of your ads and constantly optimize to make sure you're meeting your goals.

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Free press portals - We know them all

02/22/2023 | by Patrick Fischer, M.Sc., Founder & Data Scientist: FDS
Are you looking for a way to publish your press releases on free press portals? No problem! In our Media & PR Database 2023 you will find dozens of press portals where you can also publish your press releases free of charge.
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What are the advantages and disadvantages of an array?

02/21/2023 | by Patrick Fischer, M.Sc., Founder & Data Scientist: FDS

Arrays are a basic data structure in computer science used in many programming languages. There are several advantages and disadvantages to using arrays:

Advantages:

Fast access: since the elements of an array can be addressed directly, an array allows you to access a specific element in a constant amount of time. This makes arrays very efficient for accessing large amounts of data.

Easy insertion and deletion: When elements are added or removed from the end of the array, it is a simple operation that can be performed in constant time. Ease of iteration: since the elements in an array are arranged sequentially, they can be easily iterated through by accessing each element in turn.

Disadvantages:

Fixed size: an array has a fixed size that must be specified at the beginning. If the array needs to be resized, a new array must be created and the elements of the old array copied, which can be a laborious process.

No dynamic memory management: when an array is created, the required memory is reserved in advance. If an array is not fully utilized, this can result in wasted memory.

Poor insertion and deletion performance: When elements are added or removed in the middle of the array, subsequent elements must be moved to make room. This can be a time-consuming process, especially if the array is large.

Overall, arrays are a simple and efficient data structure for accessing large amounts of data, but their fixed size and limited flexibility in insertion and deletion performance can be problematic in some applications. For dynamic data structures where the size of the data can vary at runtime, other data structures such as lists or dynamic arrays are more appropriate.

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