
Ever heard of the Rule of 72? It’s a classic finance shortcut that tells you how many years it takes for an investment to double at a given interest rate—without reaching for a calculator! Pretty much, if you want to…
All the other languages.
The field of geometry offers tools that have withstood the test of time, empowering us to understand and solve a variety of triangular problems. Among these, the Pythagorean Theorem and the Law of Cosines are cornerstone concepts. This article provides…
Creamer’s rule for a solution of linear equations states pretty much the following: Using this interesting picture from the German Wikipedia, I have created the following video, explaining a bit the Rule of Mr. Cramer: The video goes through the…
Getting N-th string between two substrings might sound a bad idea, until you do not need it. And with VBA, you better have something prepared. So, imagine the following XML (from this article here):
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 |
<FootballInfo> <row> <ID>1</ID> <FirstName>Peter</FirstName> <LastName>The Keeper</LastName> <Club name ="NorthClub"> <ClubCoach>Pesho</ClubCoach> <ClubManager>Partan</ClubManager> <ClubEstablishedOn>1994</ClubEstablishedOn> </Club> <CityID>1</CityID> </row> <row name="Row2"> <ID>2</ID> <FirstName>Ivan</FirstName> <LastName>Mitov</LastName> <Club name = "EastClub"> <ClubCoach>Gosho</ClubCoach> <ClubManager>Goshan</ClubManager> <ClubEstablishedOn>1889</ClubEstablishedOn> </Club> <CityID>2</CityID> </row> </FootballInfo> |
Your task is to get…
Some time ago I have decided to go a little deeper into SQL. And by some time ago I probably mean some years. Anyhow, in this article I will present the ways I know to make XML out of SQL…
In this article I will simply let you know, that vitoshacademy.com has its own google extension now – it simply shows you the last 10 articles in the site and it lets you know if there is a new one.…
When you code in JS, there is always some time that you need to create some html list with JS from array or list or something else. I knew the trivial way with a simple for loop, but when I put myself…
Making a module in JS is kind of interesting. Especially, if you expect something like a class like in VBA or C#. Well, it has nothing to do with it, it is just a function, assigned to a variable. In…
There are plenty of ways to make functions in JS. However, the nicest ones are to assign the function to a variable and to call the variable. Why this is the nicest one? Well, probably because I cannot make something…
There is something about these todo apps. Probably the reason that I put so much attention on them is that they are the easiest to be built and you may always try something new on them. This is probably the…