However powerful the QUERY function in Google Sheets is, it may require a learning curve to get ahold of. It's one thing to illustrate each clause separately on a small table, and completely another to try and build everything correctly with a few clauses and a much bigger table. That's...
To understand why a formula returns an unexpected value we need to examine the calculations steps in detail. Luckily, Excel has a tool that is really handy in these situations. Here is how to troubleshoot a formula: Select the cell containing the formula you want to examine in detail. Go ...
Up to 254 additional arguments like the one above. The COUNTA function counts errors as not empty. Back to top 3. Example The picture above demonstrates the COUNTA function which counts non-empty or non-blank cells. Cell range C3:C10 contains data and some formulas, cell range D3:D10 ...
It’s important to understand the structure of a network stack because your data must travel through these layers at least twice before it reaches a program at its destination. For example, if you’re sending data from Host A to Host B, as shown in Figure 9-1, your bytes leave the app...
Step 1:Understand the CONCATENATE Function The CONCATENATE function is designed to join text from multiple cells or add text strings within a formula. We'll use this function creatively to incorporate the dollar sign into our formula. Step 2:Formulate the CONCATENATE Function ...
Performant patterns should be used to enhance the efficiency of an app, while anti-patterns should be avoided as they can decrease the effectiveness of an app. It's important to understand how and why to use performant patterns and avoid anti-patterns in order to optimize the performance of ...
"The function evaluation requires all threads to run" while accessing music library through wmp.dll "The left-hand side of an assignment must be a variable, property or indexer". Help? "The remote server returned an error: (401) Unauthorized" "Typewriter" like effect in a C# Console applica...
You now know the physical and logical structure of a Linux system, what the kernel is, and how to work with processes. This chapter will teach you how the kerne...
To illustrate, the following command will delete thefaveNYCParksandparkInfotables created earlier in this guide: DROP TABLE IF EXISTS faveNYCParks, parkInfo; Copy Note that this example includes theIF EXISTSoption. This has the opposite function of theIF NOT EXISTSoption available forCREATE TABLE...
Since reverse engineering is converting live database schema into model, we need to understand how models work in MySQL Workbench. Models are a separate entity from the databases you are connected to and are stored locally on your disk. This is a MySQL Workbench model window: Model Model is ...