Work on the Windows command line
The most common startup recommendations are: Start, Run, cmd. There is a Run item in the start menu. He runs a program that allows you to transfer single commands to the…

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How to calculate a person’s location by IP
Each computer has its own network card - IP, designed specifically for searching, receiving and transmitting information. The IP address on the PC can be local, dynamic, or static. The…

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WiFi router - what is it and how to choose it correctly
Nowadays it is already difficult to meet a person who does not use a computer and does not have his home. Often people buy several computers, many also have laptops…

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Code optimization

In the process of writing code, it is impossible to detect all errors and correct them. Writing a code, especially in large volumes, is a monotonous thing, somewhat tedious and often repeated, so the eye becomes blurry. Search and correction of errors is for me personally a separate finishing procedure. In addition to obvious errors, illogical sections of code often pop up, which also have to be rewritten, simplified, and eliminated.

In addition to fixing errors and other shortcomings, you need to take care of optimizing content for search engines. Search engines impose certain requirements on websites, which only multiply every year, and if you have not decided to deliberately close the site from indexing, you should adhere to these requirements. Continue reading

Linux operating systems

Linux is not an operating system, but just its kernel. Everything that you are accustomed to see and understand as an OS (buttons, windows and panels) – in fact, it is not. What you see is the GUI (Graphical user interface), that is, the graphical user interface, also called the graphical environment or graphical shell. GUI is a program designed to simplify the life of the user so that he does not suffer from the console. In fact, any OS looks like a console, that is, like the good old DOS.

The types of operating systems built on the Linux kernel vary widely both in providing a working environment and in the set of applications available in the OS. This is partly because some programs support only some GUIs or depend on other programs that are not in the system. A quick overview of the differences Continue reading

Creating BAT files

People who are familiar with the term batch file know that BAT files can significantly simplify life and save time if you can write and use them correctly. In this article I will talk about how to create BAT files and introduce you to the common mistakes that usually occur when writing them.

Creating a BAT file is very simple. It is enough to open the notebook and save an empty sheet with the extension .bat by selecting the Save as … option and writing in the File Name field something ending in .bat, for example test.bat.
Specify the file type as in the screenshot below – All files. Save and get the BAT file. Continue reading

Bat files, examples
You can perform all the examples published below not only by creating and running a BAT file containing these commands, but also copying them directly to the command line. To…

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How to calculate a person’s location by IP
Each computer has its own network card - IP, designed specifically for searching, receiving and transmitting information. The IP address on the PC can be local, dynamic, or static. The…

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Installing a cooler on a processor
Background to the experiment: CPU cooling (LGA775 socket) was provided by the CNPS7700-AICu cooling system. Intel Pentium D930 processor, was purchased in 2005. At that time, quite powerful and expensive.…

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Cleaning your computer from dust
The topic Cleaning a computer (judging by queries in a search engine) from the point of view of the user for the most part involves cleaning the garbage of the…

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