The idea here is to try to start the YouTube clip, which is embedded in the light blue square, just bellow the jelly fish. I am using mouseout, mousemove and click events with JQuery to illustrate their way of working. …
JQuery Strange Game – A way to tease yourself with JQuery events Read more →
A new book review is coming in the next weeks – I have noticed the Python books of Apress some time ago and today I was provided with a paper copy for a review. The review is yet to come!
Ever wondering how to select children in JQuery? No? Then skip to the next article. My case is the following – I present a div with divs, and I try to select its children, changing the borders and the background. …
JQuery – Select First, Last, Nth, Second Children Read more →
Some years ago, while I was writing my master thesis (I have two of them in two different languages), I remember that I was told that I should write something that is not written before and I should convince the reader …
JQuery – Randomize Anything – Random Numbers with Random Colors Read more →
Have you ever dreamt to understand the inheritance and the overload from once 5 minute example? No such dreams? Anyway, in case you ever tend to think about it, here is the example with PHP. Let’s imagine that we have …
PHP and iterators… Violin and boxing… Anyway, it is possible and the possibility is since some years ago. In this article I will simply show how to make an iterator with a PHP class. And I would iterate in a …
After some time with JS and Python, this week I have decided to continue with PHP. So, let’s see how you can make a class with a function in PHP. My class would be called Investment, with 3 public variables …
Today I have started to take a better look at JQuery. And it seems wonderful! Indeed. Full of wonders 🙂 Thus, I have started to code something trivial – like the picture below: With JQuery, this click option of the …
Hello party people! 🙂 Today I was wondering whether I have forgotten to code in Python after 4 weeks of coding marathon in VBA and I have decided to try a small portion of the weekly challenge from CodeForces! So, the …
Python – Algorithm from CodeForces – Bears and Blocks Read more →
Have you ever tought of formatting HTML with JS in stead of CSS? Why have you tought about it? Anyway, if playing with formats is your thing, here is a small example how to achieve the following picture with JS …
Hallo Leute! 🙂 Today I was putting some more efforts in JavaScript, and I think I have finally realized how the how the trick with a function calling a function is actually done. Now, lets imagine the following easy scenario for …
So, today I have made a pretty simple application – and the word pretty stands for small, not for a synonym of beautiful 🙂 The reason for making this application was my awful internet connection – I feel like I …
Imagine that you are in a situation, on which you are wondering among 8 different choices. Thus, the following program would be able to help you take a solution. Or at least to check the way JS works with arrays, …
As you are probably aware, this site is called VitoshAcademy. As far as the site is called this way, I have tought of finding a way to issue automatic certificates with PDF and PHP. And this is exactly what I am going …
PHP – Issue yourself a certificate – PDF and PHP Read more →
Now continuing with PHP – today I will show you how to use a simple xml file and to get its data to a PHP file in the Internet. Not as difficult as it seems actually – XML files are …
Reading and writing always come together. Thus, after presenting the way to read from a file, now it is time to be able to write: Writing in PHP is not a challenge, the only tricky part is to …
As I have already mentioned in a previous article here, lately PHP has attracted my attention. Thus, today I will show how to build a small HTML table from a txt file, using each line in the file as a …
Some time ago, about 10 days to be more precise, I have decided to take a better look at PHP and to try to understand why so many people hate it actually. After all, as a VBA developer (or if …
PHP MySql – Getting data from a database into a HTML Table Read more →
In the current article I will try to solve a problem for calculation of average distance with Dijkstra, given in codeforces.com contest here in pdf. What is the problem like? We have n weighted graphs like this: For each given graph, …
Python – Algorithm – Calculate Average distance with Dijkstra Read more →
This article is rather small, but its target is to remind me how to enable migrations of database in Visual Studio. Thus, the steps are: Press Ctrl + Q to go to the quick launch. In the quick launch write …
C# – Enable Migrations in Visual Studio using Entity Framework Read more →
Sometimes complicated algorithms are really easy to be written down. The current problem is solved in 6 lines of code (from line 5 to line 11), but it you need to put effort to understand how the algorithm works and what are …
Python Algorithms – Maximum combinations of coins Read more →
Yesterday I have spent some hours, trying to resolve one problem for shortest paths. The problem was coming from HackBulgaria and was somehow similar to these two problems here: Get the shortest path in a weighted graph with Dijkstra Dijkstra for …
Python Algorithms – Full Dijkstra is stunning again Read more →
Today, I will take a look at a problem, similar to the one here. In the article there, I produced a matrix, calculating the cheapest plane tickets between any two airports given. Today, the task is a little different. I would …
Python – Get the shortest path in a weighted graph – Dijkstra Read more →
Although I have started to learn new stuff lately, such as Python and SQL server, I am still interested in MS Excel and whatever is being published on the subject. I have noticed that the book “Pivot Tables Smart Data …
Today I was looking into the following problem for word counter in python from Hack Bulgaria: You are given a rectangular table filled with characters and a word. Your task is to count the occurrences of the word in the …
Python – Calculating words in matrix – contest problem Read more →
In this article I will present the solution of a problem for finding the shortest path on a weighted graph, using the Dijkstra algorithm for all nodes. The problem is formulated by HackBulgaria here. Pretty much, you are given a …
Just a day ago I have participated at an exam, organized from SoftUni for SQL server. The exam can be found here and the questions for it are here. In the current article I will present my answers from the first part …
SQL Server – Solution of the first part of the SoftUni Exam for SQL Server Read more →
Today I have received something, that at first looked as a spam e-mail, but for some reason the spam filter has not caught it. Then I took a second look at it and I have noticed, that it was from …
Yesterday, I have decided to make an account in codeforeces.com and to check how the system works. Pretty much quite well, in 90 minutes I have managed to solve 2 of the 5 problems: I have decided to stop, because for …
After the article here, concerning the building of the binary trees and their usefulness, today I will show how to use these trees in action 🙂 Imagine that we have the following problem, used in arena.hackbulgaria.com: Implement a program in …
Python – Usage of a Binary Tree with List in Python Read more →