Useful tips for everyday
How do I filter multiple conditions in Excel? Multiple criteria, one column, any criteria true Insert at least three blank rows above the list range…
How can I permanently add my SSH private key to keychain? It seems that OSX Sierra removed the convenient behavior of persisting your keys between…
Why does my acoustic guitar hum? Fret buzz is a buzzing noise that occurs when the string vibrates against one or more of the frets.…
What is class structure in Python? Class creates a user-defined data structure, which holds its own data members and member functions, which can be accessed…
Why is sudo not installed on Debian? You’ll need to be logged in as the root user to fix a sudo command not found, which…
How do I terminate a program in shell? To end a shell script and set its exit status, use the exit command. Give exit the…
Why does adding a new value to list < > overwrite? So if I have a row with a string value of “foo” and I…
Is there a way to read cookies in JavaScript? Reading cookies is also really simple using JavaScript by accessing the document.cookie object: To get all…
How do you use nested tables? How to Create Nested table type collection based on primitive datatype Step 1: Set Server output on. SET SERVEROUTPUT…
Is Xfce compatible with GNOME? Like GNOME, Xfce is based on the GTK toolkit, but it is not a GNOME fork. It uses the Xfwm…