VBA is not a scripting language… Not at all!
Writing code in the local language is actually taught by about 100% of the German VBA books, which I have read. Which is “kind of ok”, if the VBA code only works on German computers. However, if this is not …
VBA – How to avoid naming variables with non-latin alphabet characters (special letters) Read more »
Coloring the border of an Excel cell is a trivial task. The LineColor feature in Excel is easy to use out of the box: However, whenever half of the cell needs to be colored, the trick is a bit more tough …
VBA – Color Only Half of the Border of an Excel Cell Read more »
After writing about the longest palindromic substring, now it is time to see the longest palindromic subsequence. What is the difference? Pretty much, if we take the word abracadabra: the longest substring is ada in abracadabra the longest subsequence is …
VBA – Longest Palindromic Subsequence Algorithm with Excel – GIF Read more »
The longest palindromic substring algorithm exists since 1975. It is different (and easier) than the longest palindromic subsequence. The idea of the substring is to return “anana”, if “bananazorro” is given. This is achieved with a 2 dimensional boolean array matrix and …
VBA – Longest Palindromic Substring Algorithm with Excel – GIF Read more »
Inserting an image to Excel with VBA is actually one line: ThisWorkbook.Worksheets(1).Pictures.Insert (“C:\Users\myPic.png”) The interesting part happens, when it should be correctly positioned. In order to position it the way we want, we need to give 3 parameters – the …
VBA – Insert an image/picture in Excel and position it correctly Read more »
The idea of the article is to make an updateable combobox, which takes all the keys of column A and writes them to the ComboBox. Then, upon selection of the corresponding values in the combobox, it provides the corresponding values …
VBA – Put a Collection inside a Scripting Dicitonary OR Make an Updateable ComboBox Read more »
The idea of the article is to show how to add, edit and remove specific entries of the ListBox in Excel through VBA: ListBox is a control, which is available through Developer>Insert>ActiveX>ListBox in Excel: Once you add it, it has …
VBA – ListBox in Excel – Adding, Editing and Removing Data Read more »
Reversing words in a sentence with VBA in Excel is quite easy, using the built-in StrReverse function. StrReverse takes a string and reverses it. Thus, “VitoshAcademy.com” becomes “moc.ymedacAhsotiV”: The idea of reversing the order of the words in a sentence …
Excel’s ranges and cells are both complicated and very simple. They are simple, because everyone has an idea what is a range and what is a cell, and they are complicated, because these are both: Properties of the worksheet object …
VBA – Cells and Ranges in Excel (A bit more than the standard story) Read more »
Long time ago, an astronomer called Benford was taking a look at logarithm books, noticing that the earlier pages (starting with 1) are pretty much more worn out than the later ones. He thought about the result, and managed to …
VBA has a dictionary structure. Dictionary is an object, and it can be referenced either with early binding or with a late binding, referring to Microsoft Scripting Runtime: What is a dictionary? This is the Microsoft definition of the VBA …
It was some time ago, since I last took a look at programming challange in CodeForces, thus I have decided to take a look again. So, I chose the lowest problem of the second division just to boost up my …
Some months ago #VBA was finally considered the most dreaded language in the 2019 StackOverflow survey: One of the reasons for this, is probably that #VBA is quite too easy to enter, thus plenty of non-IT professionals feel fascinated about …
There are parts of #VBA, that can scare any VBA developer, who has not bumped into other languages. Although, the “abstract class” term is quite popular in C# and other languages, and is quite easy to be created, in VBA, …
VBA – Abstract classes. Classes, that cannot be instantiated. Read more »
Reading from Excel in C# is actally not at tough as many VBA developers would assume. The simple reading is actually quite straightforward – there is only small little trick, requiring the adding of the Microsoft.Office.Interop.Excel reference to the Visual …
C# – Reading from Excel Spreadsheets with Asynchronous Programming (Async) Read more »
Getting the last row of a given column in Excel with a formula or with VBA is quite a trivial task. It is explained here quite well 🙂 However, when we come to C#, the only “trick” that is provided …
C# – How to get the last filled cell of a given row in Excel Read more »
Finding the biggest square of specific units in a given matrix of these units is a standard dynamic programming problem. The examples in Google for it are above 18 million, thus I would simply show how it is done with …
C# – Find the Biggest Square in a Matrix – What can Excel and VBA add to it? Read more »
Copying an object in VBA to a new object is somehow tough. If you use Set foo = bar then, both foo and bar would be pointing to the same address in the heap. And if you change the properties of one, …
VBA – How to copy a new object in VBA, without copying its reference Read more »
The environmental variables are a dynamic-named values that can affect the way running processes will behave on a computer. With other words, if you want to see them in your PC, simply open the command prompt and write the nice word …
Some time ago I wrote an article for Data scraping from Internet with Excel , which was scraping book information from amazon.com, based on a given word. Thus, for a keyword as “VBA”, this is the data, printed in the immediate …
VBA – Data scraping from Internet with Excel – Part 2 Read more »
Adding shapes to a range in VBA with Excel is actually a trivial task, if you are aware of the Shapes.AddShape method. It has 5 parameters, 4 of which could be pretty easily remapped to the parameters of the range: …
Animation consists of some pictures. In general, there are about 24 pictures per second, in order to do the “magic”. This could be easily automated with Excel, using Application.Wait (Now + #12:00:01 AM#), if we agree to make it a bit …
Automation of Excel is actually pretty interesting task. VBA is indeed the best built-in tool for this and although there is a lot of “hate” towards it it really deserves to be taken into account seriously, at least for small daily …
VBA – Extracting text from string between two identical characters using VBA Read more »
Writing for RegEx in VBA is sometimes a good idea and sometimes a bad idea. Anyway, if you need to write one, you better be careful. These are the RegEx articles in VBA in VitoshAcademy so far: https://www.vitoshacademy.com/vba-regex-in-excel-part-2/ https://www.vitoshacademy.com/vba-regex-in-excel/ So, …
VBA is extremely underestimated programming language. I have always been thinking that there are almost no real #VBA developers, because the “real” developers do not want to do some meaningless “macro” stuff and the people who work with #VBA are …
Gmail has the option to revert a message for about 10 seconds after you have sent it: Well, Outlook with VBA can do similar things, if you are willing to program it a bit with VBA. Let’s say that you …
VBA – How to check messages for specific words before sending them with Outlook Read more »
Getting the last row of a given column in Excel is easily done with a User-Defined Function in VBA: Function LastRow(wsName As String, Optional columnToCheck As Long = 1) As Long Dim ws As Worksheet Set ws = Worksheets(wsName) LastRow …
Last Used Row (Last Used Column) in Excel with Formula (without VBA) Read more »
Error handiling in VBA is a standard – once the error occurs, something should happen to prevent “breaking” the whole program. And usually this “something” is a MsgBox with information for the error. General error handling in VBA The general …
Adding comments with VBA is somehow quite a trivial task, if you already have the text of the comment and you are allowed to delete the comment if it is present. In general, the only difficult part is the check, …
Calling the stack dialog box in VBA is actually a very useful feature of the VBA Editor. This is what the Microsoft documentation says about it: Displays a list of currently active procedure calls during break mode. When executing code …