Useful tips for everyday
How do you lock a formula when copying? If you want to maintain the original cell reference when you copy it, you “lock” it by…
Can you put widgets on Mac desktop? To make your widgets appear, press F12. The desktop you’ve been working on grays into the background, and…
How to print specific lines from a file? Use SED to display specific lines. The powerful sed command provides several ways of printing specific lines.…
What is the boot lid? Lid. The trunk lid (in the U.S. automotive industry sometimes also called decklid or deck lid) is the cover that…
How do I download Mac OS X ISO? How to download the macOS Mojave ISO and DMG files Creating a virtual disk for the installation…
How do I stop a server socket thread? You can call close() from another thread, and the accept() call will throw a SocketException . Set…
How do you find the contrast of an image in Python? Here is one measure of contrast: Michelson contrast and how to compute it in…
How do you measure high-voltage and high current? High dc voltages are usually measured by connecting a very high resistance (few hundreds or Mega ohms)…
How do you edit symbols? Edit a symbol in symbol-editing mode Double-click the symbol’s icon in the Library panel. Select an instance of the symbol…
What is open source PHP framework? PHP Codeigniter is an open source framework providing business applications with the easy-to-use PHP programming language and powerful tools…