Useful tips for everyday
Is the 15 puzzle solvable? In particular, if the empty square is in the lower right corner (even anywhere in the last row) then the…
How do you write commands in Cygwin? Common Cygwin commands: cp copy – Make a copy of a file. rm remove – Delete a file.…
Can you recover deleted photos from Twitter? Twitter does come with an Archive feature that allows you to view and recover deleted data like tweets,…
How to convert a string to uppercase in Bash? To easily convert a text string to UPPERCASE we use the built-in bash commands: echo. tr.…
How do you create polygons in ArcGIS for desktop? You can create a brand new polygon feature class, or you can interactively create polygon features…
How to get page title of current window in selenium? It could be done by getting the page title by Selenium and do assertion by…
Can you use conditional formatting to delete rows? If you’ve highlighted cells with conditional formatting, what’s a quick way to delete the rows those cells…
Who is running process Linux? Open the terminal window on Linux. For remote Linux server use the ssh command for log in purpose. Type the…
How can handle multiple files in C language? In general, you should define the functions in the two separate . c files (say, A.c and…
What is the difference between weak and strong collision resistance? Even though they seem similar, there is a subtle difference between strong and weak collision…