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Day: April 5, 2023

Tooltip Design with CSS

Published 2023-04-05 by Kevin Feasel

Tim Brock takes on tooltips:

While colour-highlighting can be a great way of emphasizing part or parts of a chart or diagram, it doesn’t usually add precise information, which was important to the client. To add this precise information we used a tooltip. But to make them as effective as possible we had to spend a bit of time refining their design.

Click through for several tips on tooltip design, including a technique to minimize tooltip occlusion (in other words, the tooltip blocking important information underneath it).

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Comparing HBase to Cassandra

Published 2023-04-05 by Kevin Feasel

The Instaclustr team performs a comparison:

Apache HBase® and Apache Cassandra® are both open source NoSQL databases well-equipped to handle incredible amounts of data–but that’s where the similarities end. 

In this blog, discover the architectures powering these technologies, when and how to use them, and which option may prove to be the better choice for your operations.  

Click through for their overview of the two systems and recommendations on when to use which.

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Digging into the OpenLibrary ISBN API

Published 2023-04-05 by Kevin Feasel

Robert Cain is looking for a book:

The format of the Advanced API is slightly different from the simple. Here is template.

https://openlibrary.org/api/books?bibkeys=ISBN:[ISBN Goes Here]&jscmd=data&format=json"

You will replace the [ISBN Goes Here] text with the ISBN number you want to look up. Be aware this can only be digits, you must remove any spaces, dashes, or other characters.

Let’s look at a code example of calling the API and getting all its properties.

Click through for examples and how you can use Powershell to parse the results.

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TDE with Customer-Managed Keys in Azure SQL Database

Published 2023-04-05 by Kevin Feasel

Mirek Sztajno announces a public preview:

In this scenario, a key that is stored in a customer-owned and customer-managed Azure Key Vault (AKV) can be used for each database within a server to encrypt the database encryption key (DEK), called the TDE protector. The feature provides the ability to add keys, remove keys, and change the user-assigned managed identity (UMI) for each database. For more information on identity management, see Managed identity types in Azure.

Click through for more details on how it works and what’s currently not supported in the public preview.

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Hiding Power BI Pages Is Not for Security

Published 2023-04-05 by Kevin Feasel

Marc Lelijveld points out that, just because the kitten covered its eyes and can’t see you don’t mean that you can’t see it:

Most of us probably know, but every now and then, I still run into cases where hiding pages in a Power BI report is used for security purposes. Although hiding pages might seem like a security feature, it is not intended to be used as one since it can be easily bypassed. Users can find hidden pages by simple URL tweaking or right-clicking on the tabs. The article provides an example of how users can use the Reports-Get Pages API to get all report pages and report sections without having to write a single line of code. The default page when publishing a report is the one that is open, even if it is hidden.

Yeah, hiding pages is really more of a convenience thing, especially if you’re making heavy use of drillthrough and other cross-page functionality.

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KQL: Show Me

Published 2023-04-05 by Kevin Feasel

Brian Bønk shows off:

In Kusto and the services Azure Data Explorer and Synapse Data Explorer, there is one main part of the meta data queries – the .show command. The .show command preceeds the rest of the following commands for exploring the meta data in the engine:

  1. queries
  2. commands
  3. commands-and-queries
  4. journal
  5. operations
  6. ingestion failures
  7. table data statistics

Read on for examples of how the .show command can be quite useful.

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Automating Self-Hosted Integration Runtime Deployment

Published 2023-04-05 by Kevin Feasel

Jonathan D’Aloia doesn’t want to click next-next-next:

Welcome to my blog on how to fully automate the deployment of a Self-Hosted Integration Runtime using Terraform!

The title of this blog is very much self-explanatory but I hope you find the contents useful and are able to apply this on your projects in some aspect.

Click through for a brief overview of self-hosted integration runtimes, the process to follow, and a link to the repo.

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Using Flyway for MySQL Database Deployments

Published 2023-04-05 by Kevin Feasel

Ting Chou builds a proof of concept:

Few days ago, I asked myself a question about how can you better manage all the database changes defined in SQL scripts with DDL (Data Definition Language)? Maybe try to use version control on the SQL code and then use DevOps pipelines to achieve continuous deployment. Then, I came up with a poc solution, choux130/DevOps_In_DE/jenkins_mysql_flyway.

Click through for the repo, as well as a few TODOs.

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