Computer Software Operations

The chomp operator in Perl is specifically designed to safely remove the trailing newline character (or input record separator) from a string variable.

In Microsoft Excel and Office applications, F4 or CTRL+Y is the keyboard shortcut to repeat the last action (also known as 'Redo' or 'Repeat'). This is a standard productivity shortcut that allows users to quickly reapply their most recent action without going through the menu system again.

In Microsoft Excel, CTRL+; (SEMICOLON) inserts the current date into the selected cell. This is a commonly used shortcut for quickly timestamping entries. ALT+= is for AutoSum, CTRL+: is not a standard date shortcut, and CTRL+K is for hyperlinks.

In Microsoft Excel, pressing Ctrl + Shift + : (colon) inserts the current time into the selected cell. Ctrl + ; (semicolon) is used to insert the current date, while Alt + = triggers the AutoSum formula and Ctrl + K opens the insert hyperlink dialog.

In Microsoft Excel and Office applications, F4 or CTRL+Y is the keyboard shortcut to repeat the last action (also known as 'Redo' or 'Repeat'). This is a standard productivity shortcut that allows users to quickly reapply their most recent action without going through the menu system again.

In Microsoft Office applications (Word, Excel, PowerPoint), CTRL+K is the keyboard shortcut to insert or edit a hyperlink. This shortcut opens the Insert Hyperlink dialog box, allowing users to link to web pages, files, or other locations within the document.

CTRL + 0 is the Excel keyboard shortcut to hide selected columns. This shortcut immediately hides the column(s) containing the active cell or selection. The shortcut is specific to column hiding, not row hiding.

CTRL + 9 is the Excel keyboard shortcut to hide selected rows. This works similarly to CTRL + 0 for columns, but applies to horizontal rows instead. The numeric keypad 9 (or regular 9) serves as the row-hiding counterpart.

CTRL + 1 opens the Format Cells dialog box in Excel, providing access to all formatting options (number formats, alignment, fonts, borders, fills, protection). This is the primary shortcut for accessing cell formatting features.

CTRL + SHIFT + # applies the default date format (dd-mmm-yy or similar) showing day, month, and year. The pound/number symbol key is used for date formatting. This is a quick way to apply standard date formatting to selected cells.

CTRL + SHIFT + % applies percentage format with no decimal places in Excel. This is a built-in keyboard shortcut for quick percentage formatting. The other options either don't exist or perform different functions.

In Excel, the keyboard shortcut CTRL + SHIFT + ) unhides columns that have been hidden. This shortcut works on the selected columns, making them visible again. The corresponding shortcut for unhiding rows is CTRL + SHIFT + (.

In Excel, the keyboard shortcut CTRL + SHIFT + ( unhides rows that have been hidden. This shortcut works on the selected rows, making them visible again. The corresponding shortcut for unhiding columns is CTRL + SHIFT + ).

In Excel, the keyboard shortcut CTRL + SHIFT + & applies an outline border around the selected cells. This adds a border to the outer edge of the cell range. The shortcut to remove borders is CTRL + SHIFT + _.

In Excel, the keyboard shortcut CTRL + SHIFT + _ removes the outline border from the selected cells. This removes borders from the outer edge of the cell range. The shortcut to add borders is CTRL + SHIFT + &.