VBA is not a scripting language… Not at all!
Sometimes, you may need to scrape some structured data from the internet with Excel. Honestly, Excel. Honestly, Excel should be your last weapon of choice there, as far as it is really not a web-scraping software. Still, it is quite …
=VLOOKUP and =INDEX(MATCH(),MATCH()) are well known formulas, if you need to get some value corresponding to another value from a specific column. The problem comes, when you are having more than one column or row, and you need to locate the …
Excel – Get Top Row of a Multi Row / Mult Column Range Read more »
After the article here for VBA – Select a Single Node XML now I am writing an update from it, which shows how to loop through all the nodes that we are interested in and get data from them. The XML is …
So, the idea is the following – imagine that you have an NxN range, which should be filled out with consecutive numbers. Thus, if the range is 6×6, you start filling the numbers normally and once you reach the 6. …
Formatting a substring of a string in an Excel Cell is actually quite a challenging task. There are two ways to do it – select part of the substring that you wish to format and change its color. Then make …
Changing tab color of Excel is somehow useful. With VBA, it is easily programmed, as far as one can use the macro recorder to see the correct way to do it. However, if you need to change the color of …
In this article I will simply use the code from my first guest author Mathieu, to build up some small working solution, that uses parameters: So, the two classes, provided by Mathieu are here as well GitHub, named AdoValueConventer.cls and SqlCommand.cls. …
VBA – Using Parameters in a VBA SQL Query To a Database Read more »
Selecting Python for a “weapon” of choice has many positive points, which I am not going to describe now. Still, if you want to run python code with the help of VBA and the Shell through the CommandPrompt of Windows, …
Run Python Functions From Excel With VBA with Shell through CommandPrompt Read more »
Selecting multiple cells in Excel through VBA may be quite a difficult task. Although, using Select is not always a good practice, sometimes it should be done. To generate some numeric values, let’s run the following: Public Sub FullMe() Dim myCell …
Excel and VBA are a powerful tool for simulation. The idea is to simulate dice throwing and to keep the best N throws as our score. Other model variables are Times I roll, which stands for how many times do …
Working with Python and Excel together is really fun for a VBA Developer! It somehow shows you what all these years of coding with VBA have taught you! Today, I was thinking how to implement the .Find() method of searching in …
The XlsxWriter library of Python is a nice gem for a VBA developer – you would be really interested to see the problems a Python developer should be facing, just to achieve a simple part Excel automatization. Still, these are …
Markov model is a a stochastic model describing a sequence of possible events in which the probability of each event depends only on the state attained in the previous event. Wikipedia This is a good introduction video for the Markov …
The worksheet events which are built within VBA are quite useful. One may build them quite easily in Excel and they work satisfactory. However, let’s imagine, that you have a merged cell as in the picture above and you want …
VBA – How to Change Merged cell in Excel with Events Read more »
VitoshAcademy has the pleasure to welcome its first guest author – Mr. Mathieu Guindon. He is the project manager behind Rubberduck – an open-source COM add-in project written in C#, extending the glorious VBE with modern-day IDE features. On Code Review and Stack Overflow he is closely monitoring …
Quick Search for value in Array. In VBA this is sometimes considered problem, as far as people tend to loop through the whole array for the search. There is a better way to do it, with System.Collections.ArrayList, which is not exactly …
VBA – How to Find TaxiCab Numbers in Excel – Quick Search in Array Read more »
Imagine you have a task to sort the range from column A based on the number after the last digit. A quick decision is to use Column “B” as a helping column where you write the cell, splitted by the …
Sort a range in VBA with System.Collections.ArrayList Numerically Read more »
Imagine one of the most trivial tasks in Excel – remove rows from Excel, for which contain the number 1 in their first column. Or in the column below, these are the rows, which are selected. If you are familiar with …
VBA – Delete / Remove rows from a specific worksheet in Excel Read more »
About two years after the “Nested loops with recursion” today I was looking for a way to avoid nested loops with recursion in google and found my article 🙂 . Lots has changed in my coding style since then as …
VBA – Avoid nested loops with recursion (Part 2) Read more »
The formulas in Excel, used through VBA are not easy. You need to write a string like “=IFERROR(OR((1=A1),(2=A2)),””No Error””,””Error””)” and this is really not easy and fun to debug. Furthermore, if it is false, VBA will nicely throw a runtime …
Trimming is a function, that reduces spaces. There are at least 4 ways to Trim a string in Excel/VBA: Trim VBA.Trim =Trim() WorksheetFunction.Trim Thus, is there a difference between these 4 actually? This is what MSDN says about String.Trim: Returns …
VBA – Difference between Trim, VBA.Trim, =Trim() and WorksheetFunction.Trim Read more »
Imagine that you want to check when is Friday for the week of Christmas in the next 10 years. In general, the week of Christmas is the week that contains the 25.December. Getting a given day from a given week …
VBA – What day is Friday in the week of a given date? Read more »
After writing that the built-in Find() function in VBA does not return the first value by default, a new interesting case with the Find function appeared. In order to simulate it, the following task could be imagined: Write the first …
Selecting and working with XML in Excel and VBA is always a bit challenging. Whenever a programmer (or a developer or an analyst or a portfolio controller) hears about XML and VBA, something weird happens in their minds. The programmer …
If you are coding professionally in VBA, most probably you are using arrays every now and then and you have your own function for sorting an array. Something like this bubble sort or anything similar is what you have written …
VBA – ArrayList class – a helper to sort arrays in VBA Read more »
For the people, familiar with my blog, it is known that usually I am resolving problems from Codeforces.com. Codeforces supports plenty of languages, unfortunately VBA is not one of them. Thus, I have decided to build up a small algorithm …
Algorithm testing system, reading from text file with VBA Read more »
There is a lot over the Internet, written for the dates in Excel, VBA and SQL Server, but still, there is quite much to be written. In general, it all has started, when the developers of Lotus 1-2-3 have decided …
This is what Wikipedia says about Recursion: Recursion occurs when a thing is defined in terms of itself or of its type. Recursion is used in a variety of disciplines ranging from linguistics to logic. The most common application of recursion is in mathematics and …
Ok, you have read the title correctly – there is a way to refer a parameter ByValue, even though the parameter contains explicitly the word ByRef in it. Let’s start with the functions. Imagine a function, getting an array as parameter …
VBA – How to refer a function ByVal, when the parameter is explicitly ByRef Read more »
