Categories
Excel

Unhide Hidden or Very Hidden Worksheets

Sometimes you want a worksheet that users can’t read or modify, you can use the Excel hide and unhide feature. You can also use the xlSheetVeryHidden constant in VBE to hide the worksheet tab so deep that it cannot be turned visible again unless you use the VBA or VBE.

Categories
Excel

Preventing Users from Inserting More Worksheets

Excel lets you protect a workbook’s structure so that users cannot delete worksheets, rearrange the order in which they appear, rename them, and so forth. Or you can use VBA code disable or limit the number of worksheets in a Workbook.

Categories
Excel

Preventing Users from Printing a Workbook

Learn how to grant people access to your workbook while removing their ability to print its content. Also, how to use VBA to disable printing for the entire workbook or a particular worksheet.

Categories
Excel

Prevent Saving a Workbook

You can specify that any workbook be saved as read-only by checking the “Read-only recommended” checkbox to prevent a user from saving any changes he might make to the file.
You also can prevent users from being able to save a copy of your workbook to another directory or folder with or without a different name.

Categories
Excel

Using VBA to Group and Ungroup Worksheets

Although manually grouping and ungrouping sheets is easy, you must remember to group and ungroup your sheets as needed or else you will inadvertently overtype data from another worksheet. You can overcome these shortcomings by using some very simple VBA code.

Categories
Excel

Group and Ungroup Worksheets

It’s fairly ordinary to have the same data appear in multiple worksheets simultaneously. You can use Excel’s tool for grouping so that data in one workbook can be entered into multiple worksheets at the same time.

Categories
Excel

Arrange Workbook Windows

Learn how to arrange workbooks so they don’t overlap each other and you’re able to view or edit their data without having to switch from one workbook to another.

Categories
PHP

Trigonometry, Exponential and Logarithmic Functions

PHP supports the set of trigonometry functions, the PHP’s mathematical library also includes the exponential and logarithmic functions.

Categories
PHP

Reordering array elements with array_reverse( )

Often it’s useful to consider an array in reverse order. The array_reverse( ) function creates a new array by reversing the elements from a source array.

Categories
PHP

Using Generators and Yield

PHP generators are a powerful feature that allow you to create iterators without writing a class that implements the Iterator interface.