Email address validation
Email address validation

Open thy mouth, judge righteously, And plead the cause of the poor and needy. Proverbs 31:9 Popular blogs and most websites offer an email newsletter subscription. While the big sites maintain teams to monitor the quality the content and the communication, the average blogger cannot afford to hire employees. Subscribing to a newsletter can significantly... » read more

The fastest number sorting algorithm
The fastest number sorting algorithm

Better is the sight of the eyes than the wandering of the desire: this is also vanity and vexation of spirit. Ecclesiastes 6:9 Years ago, I had the idea to create perhaps the fastest algorithm for sorting integers. After about a month of thinking and testing, I managed to create a working sorting program in... » read more

A simple system to track recent visitors
A simple system to track recent visitors

For we can do nothing against the truth, but for the truth. 2 Corinthians 13:8 Visit statistics are a necessary element of analysis for the performance of any web page. It can include various indicators, the most important of which are the number of visits for a certain period of time, the IP address and... » read more

Extract all internal links from a web page
Extract all internal links from a web page

Counsel in the heart of man is like deep water; But a man of understanding will draw it out. Proverbs 20:5 Here is a simple solution to extract all internal links (links to the same domain) from the current web page. This JavaScript solution is especially useful if we need to check the number of... » read more

DOM element print children and properties
DOM element print children and properties

And if by grace, then is it no more of works: otherwise grace is no more grace. But if it be of works, then is it no more grace: otherwise work is no more work. Romans 11:6 Simple solution to print all children and properties for a given DOM element Perhaps every serious web developer... » read more

Lecture 5: Code conventions
Lecture 5: Code conventions

And I will give you pastors according to mine heart, which shall feed you with knowledge and understanding. Jeremiah 3:15 The code and the code developers The program code has a number of characteristics classified as external and internal characteristics. The external characteristics of the code are related to the quality of the result of... » read more

Lecture 4: Data types
Lecture 4: Data types

The grass withereth, the flower fadeth: but the word of our God shall stand for ever. Isaiah 40:8 Datum and data Datum – / Latin / from neuter of datus. Datum word was originally plural, now is rarely used only in the singular. Data occurs as a plural noun (as profits), also as an abstract... » read more

Lecture 2: Semantics and syntax of programming languages
Lecture 2: Semantics and syntax of programming languages

Happy is the man that findeth wisdom, and the man that getteth understanding. Proverbs 3:13 Semantics Semantics (ancient Greek: σημαντικός [semantikós] – meaning, σημαίνω [semaino] – to mean, point out, σήμα [sema] – sign) studies the meaning (meaning) in language. In this sense, semantics is usually understood as linguistic semantics (as opposed to computer semantics, for example), that is, the science... » read more

Programming basics
Programming basics

In the beginning was the Word, and the Word was with God, and the Word was God. John 1:1 Pogramming basics with Lectures, Guides & Examples Learn the basic principles of programming with C++, C Sharp and JavaScript   Lecture 1: Information, data and computer Informare / Latin / – originally meant transmission of knowledge or... » read more