Blog

  • Microsoft Fabric enters General Availability!

    Microsoft Fabric enters General Availability!

    After 6 months of public preview, Microsoft Fabric is now in production and generally available! 🎉 The announcement was made today at Microsoft Ignite, in Seattle. A round up of the news can be found at https://news.microsoft.com/ignite-2023-book-of-news/.   Here is a summary of some of the Fabric changes that we are looking forward to: Mirroring in Fabric Announced – expected in Q4 2023 Mirroring is a real-time clone of an Azure…

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  • Synapse Script Activity Error “Argument {0} is null or empty.\r\nParameter name: paraKey”

    Came across this issue when trying to get a range of values that are calculated dynamically at runtime. Using the script activity in ADF, I wanted a result set that I could reference as parameters for a notebook later in the pipeline but was experiencing an error I had not seen before referencing null arguments. The Problem The script is simple – get a few key dates from the last few months and set these as variables. Finally, return these…

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  • Introduction to Power BI Project Files

    Power Bi project files were showcased as an exciting upcoming feature by Microsoft for Power Bi. Developers can finally smile as it allows significantly easier collaboration with other developers and source control within Power Bi. We’ll go through a brief introduction to Power Bi Project files.     How to get a Power Bi Project File At the writing of this blogpost they are currently in preview and can be accessed via the ‘Preview…

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  • Exploring the Benefits of Degree Apprenticeships

    In today’s fast-paced world, traditional higher education paths aren’t the only route to success anymore. Degree apprenticeships have emerged as an innovative and valuable alternative, offering students the chance to earn a degree while gaining practical work experience and earning money. In this blog, we’ll explore what degree apprenticeships are, their duration, and the perspectives of both students and employers.   What…

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  • Power BI Table Totals Not Adding Up? Here’s Why!

    Power BI Table Totals Not Adding Up? Here's Why!

    Ever built a table containing measures in Power BI, done a quick sanity check on your table totals and noticed they’re incorrect? Let’s explore why this may be. Here we have a simple table, built from data in the AdventureWorks database. It shows the three product categories, the Total Sales and Average Order Total of each category: As you can see, the Total Sales column adds up perfectly, but the average is just plain wrong. 19.42 +…

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  • Fabric Data Warehouse – ALTER TABLE workaround

    You may be aware that the ALTER TABLE T-SQL command is currently not supported when working with data warehouses in Fabric. This isn’t much of a problem if the table you’re working with is empty, you can simply drop and recreate the table with the new structure. But if you do have data in a table and you want to make a change to the table, how can you do this without the ALTER TABLE command and without losing your data? My solution…

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  • How to combine images using Python

    How to combine images using Python

    In this blog post, I will be showing how to combine images using Python. I used this code in a for loop to combine hundreds of different images for one of our clients. These are the two images that we will combine. Pillow is a PIL fork, install Pillow using pip and import PIL into the Python script. Next, set the two variables. These images are saved in the same folder as the script, therefore only the filenames are required to reference them.…

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  • Power BI: Grouping & Binning using Data Groups

    In this blog, we explore Power BI’s Data Groups feature, enhancing data visualization and interaction for report users. Data Groups in Power BI: Power BI’s Data Groups efficiently organizes data. Compared to lengthier alternatives like grouping in Power Query or DAX Calculated Columns. Binning Data for Visualization: Let’s discuss data binning for clearer visuals. Binning categorizes data into bands or ranges. For instance in…

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  • How are you doing? No really?

    Something that we at Purple Frog take very seriously is the mental health and well-being of the staff. The emphasis is very much on helping each other as a team. We all rely on each other in different ways and for different things which means we all need to keep an eye on and an eye out for each other. Various factors in the workplace can cause stress or increase the risk of developing or worsening existing mental health problems. These include…

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  • Microsoft Fabric: Should I Use a Data Warehouse or Lakehouse?

    Fabric is the newest data analytics platform from Microsoft. It brings together the entire analytics process onto the Power BI service, meaning that you no longer need to be moving your data around from different services. The introduction of OneLake means that all data that you import whether from Cloud servers, On-Premises servers or more is available in one central location. With Fabric, you need to choose how you will store the data that you…

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