Category: Computer Software
How to enable Dark mode on Google Search
To enable dark mode or dark theme on Google Search is now as easy as one click. Google has been rolling out the tark theme for Google search slowly recently and you might already have the dark theme in Google search available. At this time not everyone has dark mode available as this is due…
How to delete a directory in Linux
To delete a directory in Linux in a desktop environment is easy as pressing the Del / Delete key. To delete a directory in Linux using command line CLI in Terminal or SSH you can use the rm command. The bellow works fine for a file. A directory cannot be removed just like that. The…
How to create a user in Linux
Creating a user in Linux Terminal The useradd command will create the user and usermod can modify user properties such as groups the user is part of. useradd [options] username Example: Using default options to create username dragos. Also created the user home directory: /home/dragos A group is also created for the user with the…
How to exit VIM – VI Editor
How to exit VIM or VI editor. VIM stands for Vi IMproved. As in a better editor than VI. You can start Vim at any terminal or in a SSH session on Linux with this command: Same goes for vi commands, opens a file the same way. Once vim / vi is opened you are…
Linux commands cheat sheet the most used list
Most useful Linux commands for daily # Display how long has the system been running – since tle last restart. # List directory contents # List files in directory but better attributes and human-readable # List files in directory sorted by file date/time. # Change directory # Wildcards When filtering for files or directories you…
How to learn Python as a second language
How to learn Python as a second language. After watching and reading few tutorials you still can’t say that you know much Python and that’s probably true. How I try to learn it, still work in progress, is to use a project-based approach. Learn the basics of the language. 1. No semicolons; 2. Indentation matters…
Random Password generator in Python
Random Password generator in Python How I wrote a random secure password generator in Python in 30 min. What I needed was a small script that I execute and generate a random password that is then copied to the clipboard and all I had to do was paste it Ctrl+V to use it. Every time…
Windows 11 nag screen after update
Windows 11 nag screens after update.How to avoid the Windows 11 beta nag screen after updating. Windows 10 also had a nag scren afte updates were applied but on Windows 10 you could say remind me later and it would not bother you until the next major udate. Enter Windows 11, the remind me later…
155. Min Stack
155. Min Stack Solution programming interview question. Design a stack that can return the minimum element in constant time and also support pus, pop and top methods. Example:Input[“MinStack”,”push: -3″,”push: 0″,”push: -5″,”getMin”,”pop”,”top”,”getMin”] OutputMinStack minStack = new MinStack();minStack.push(-3); // returns nullminStack.push(0); // returns nullminStack.push(-5); // returns nullminStack.getMin(); // return -5minStack.pop(); // returns nullminStack.top(); // return 0minStack.getMin(); //…
20. Valid Parentheses Leetcode Solution
Valid Parentheses Leetcode 20 Solution Return boolean indicating wether the pairs of paranthesis are matching and there are no un-matched paranthesis found. Using a list to implement a stack in Python.Store all the pairs of opening and closing tags in a dictionary. Closing brackets are the key.Go thru the characters of the string and add…
