After writing the simple part here I think that it is a really good idea to introduce IntelliSense as well 🙂 Something like this in the code: And like this is in the library: The question is always one …
VBA – Add a C# library to a VBA project – Part 2 Read more →
CodeForces.com is really a nice place you can learn stuff. Learning by doing is probably what man actually needs in programming. Thus, I have taken the 2. Problem of the 2. Division in CodeForces, as far as it seemed interesting …
Its Friday, the week is finally over and as far as I was planning to write an article per week or so, I have decided to write something. In these cases, when I do not have something prepared, I simply …
C# – Algorithms – Grasshopper And the String – CodeForces.com Read more →
I have not been blogging for a while, because I got a little deeper into reading the SQL books, which are waiting for review and thus I have decided to blog about something today. Initially, the idea was to write …
Today, on this sunny Saturday I have decided to code a bit in order not to feel guilty in the evening, when I go out. Or something like this. 🙂 I came across of probably the hardest problem, given in …
Today I was looking a bit over SQL Server and Visual Studio and I have somehow liked the nice cooperation between these two. Thus, I have come up with the idea to build a simple application, just to demonstrate how …
C# – Datagrid View – C# connect application to DB in Visual Studio Read more →
Coding in C# is always fun, when you come from the VBA Excel world. There is much cool stuff, which you see and then you start wondering – why is this not implemented in VBA and why should I write …
In Part 1 here I have shown the code that gives full points in the interactive CodeForces.Com problem for Bear And Prime.The trick is that writing hard-coded values in a code is really far away from a good practice in …
C# – Algorithm – Bear And Prime, Interactive Problem in CodeForces – Part 2 Read more →
On Wednesday I was participating in a round of the second division of Codeforces.Com and I managed to resolve 2 problems (1 completely, 1 not exactly completely :)). The third problem was written to be “interactive” and as far as …
C# – Algorithm – Bear And Prime, Interactive Problem in CodeForces Read more →
This Wednesday on 18:35 I did not have anything better to do than competing in codeforces.com. I have just finished work at 18:00 and I managed to get home before the start of the competition and even to get a sandwich …
C# – Algorithms – Bear And Finding Criminals (from CodeForces) Read more →
On Wednesday I have participated in a codeforces.com competition and it was not as quite successful as I wished it to be. I managed to solve 2 problems and 1 of them was “hacked”, which means 1 problem. Anyhow, I was …
I have not solved algorithm problems in a while and thus, I have decided to take a look at the latest not difficult problems Codeforces.Com. I somehow liked the problem for Vasya And String as far as it seemed quite easy …
Unit testing is fun. Somehow. At least in C# 🙂 As far as I am making a living mainly as a VBA developer and I am taking a look at other technologies, I am always somehow jealous of how sufficient and …
Some 2.5 years ago I have first written an article for LINQ, when I was learning it. Now, I was watching at some videos about algorithms and I realized I have not used LINQ in quite a while and I have …
In the current article I have decided to show three ways of calculating the Fibonacci numbers in C#. The reason for this is, because Fibonacci is usually given as an example for recursion and it is probably the worst way to …
Today I had to write a solution of the following problem – imagine you have two lists like this: var liPhoneBook = new List<tuple<int,string>>(); liPhoneBook.Add(Tuple.Create(100, “Pesho”)); liPhoneBook.Add(Tuple.Create(200, “Gosho”)); liPhoneBook.Add(Tuple.Create(300, “Atanas”)); liPhoneBook.Add(Tuple.Create(400, “Az”)); liPhoneBook.Add(Tuple.Create(500, “Ivan”)); liPhoneBook.Add(Tuple.Create(600, “Ivan Petrov”)); liPhoneBook.Add(Tuple.Create(900, “Vitosh”)); List …
C# Algorithms – Phone Book Implementation – List of int and string with a tuple Read more →
Since the beginning of the month, I am visiting a course called Algorithms. As far as I have to work with one of the following languages – C#, C++, Java or Python and somehow Python is rather slow for such …
C# Algorithms – Usage of Nested Lists and TryGetValue of Dictionary Read more →
After writing yesterday about the insertion sort algorithm with Python here, today I have decided to continue with the algorithms. Thus, I have decided to take a look at two other simple sorting algorithms – Count Sort and Selection Sort. …
Well, most probably the answer depends on the query language 🙂 Here is the task: Problem 3 – A query language over a CSV file A CSV files (comma separated values) can be represented as a table. For example this …
In the current article, I will show how to resolve with VBA an entry exam for programming in HackBulgaria. The problems could be resolved in any language and I will use VBA for this last task. The program is actually the …
Today I have decided to resolve one of the competition problem of the C# basics exam of the SoftUni (www.softuni.bg) with Excel. I have shown how I have resolved a similar problem in C#, where you should have drawn a glass …
VBA – Resolving C# competition problem with VBA and Excel Read more →
In this article I present the second solution from the homework from SoftUni – www.softUni.bg – concerning classes in C#. This is the task: Define a class Laptop that holds the following information about a laptop device: model, manufacturer, processor, RAM, …
This week I have started again to look into Object Oriented Programming with C#. Thus, I have built a small example of OOP, using Enumeration. In the example I have two classes – the class “RunningCar”, containing the Main method …
Some time ago I wrote a homework, concerning building classes. The easiest part of it looked like this as a task: Define a class Person that has name, age and email. The name and age are mandatory. The email is optional. …
As mentioned in the previous two articles, here (Biggest Triple) and here (Fruit Market) I have participated in one competition for C# basic programmers. So, in this article I will present the 3rd exam problem, which I have managed to …
As I have mentioned here, I have participated in a competition for C# programmers. The second problem was concerning something quite standard – finding the biggest triple from a line of numbers. With other words, one get as an input the …
On the 14.04.2014 I have applied for the SoftUni – a Software University in Sofia, Bulgaria. There were 5 C# problems and I managed to resolve completely 3 of them, thus gaining 300 points and being ranked in 278 place …
Sometimes, you may see something that seems rather easy to be achieved, you have a vision in your mind regarding it and it still takes 5 times more time and patience to get it. Today, after taking a look at …
The binary operations problems are probably the ones, that can easily make a student to quit with programming tasks. They are somehow too abstract and the fun they bring is really doubtful. Anyway, in contests for programming so far, I …
C# – Binary Operations – Count of Binary Digits Count Read more →
Looking into some programming task is sometimes challenging. You may think that the answer is quite simple, but actually someone has decided to make you sweat. In this task you should read one line from the console and print the sum …
C# – Taking only numbers from array and working with them – (The Horror) Read more →