The latest articles by David Webb

  • How to install Flex and Bison Ubuntu

    Flex and Bison are Unix utilities that can help you to write very fast parsers for arbitrary file formats. If your synaptic package manager currently does not include these packages, you can install Flex and Bison through a simple terminal command. This method is specific to Ubuntu 10.4 but should also work for later versions.

  • Search in Vim editor: Linux, for words

    Linux is a versatile operating system that allows you to perform a standard Vi word search using different keys on your computer keyboard. This tutorial will list the different keys and functions that you can use to search and find words in Vi/Vim in Linux.

  • Fix disk boot failure: Windows XP, 7, 8, 10

    If your computer begins displaying the message, "DISK BOOT FAILURE INSERT SYSTEM DISK AND PRESS ENTER" or "No system disk," it means that the PC cannot start because it cannot find the operating system (OS). This how-to will walk you through the most common ones and show you how to solve the issue in each case.

  • Repeat rows in Excel: based on cell value, VBA

    Rows in an Excel worksheet can be repeated a specified number of times with user-defined functions. The Selection.insert command can be used to insert rows in an Excel sheet and there is no need to write the code from scratch as code snippets are freely available for use in worksheets. However, one must ensure that the user-defined function or subroutine to repeat rows a specified number of times is inserted in the right place.

  • What is the VBA code to select last sheet in workbook

    It is possible to select the last sheet of the workbook in Microsoft Excel even if you do not remember the sheet name, or if you don't want the selection to be reliant on the sheet name, and adapt to any changes to the sheets. Here is how you can do it.

  • MacOS Monterey: release date, new features, compatibility

    MacOS Monterey is the latest Apple operating system that was released on October 25th with a handful of new features. Monterey was launched following the release of the 14 and 16 inch MacBook Pro with the M1 Pro and M1 Max chips and is compatible with various models. In this article we will show you the main features of the latest macOS update. 

  • How to disable disk image verification on MacOS

    In this article we will show you how to disable the disk image checksum verification feature of MacOS. This feature allows you to see if a disk image's data has been corrupted. The checksum verification process can take a while, so in certain instances it may be beneficial to disable the checksum verification.

  • iOS 14 update: download, features, for iPhone 6, date

    Right from the beginning, we knew that this update was going to be something special as Apple described it as an update to "the core experience of iPhone". There are numerous visual improvements with this latest update from Apple but even more impressive is the enhanced performance and reliability of the iPhone that comes with iOS 14. In this article we will take you through the update and the impressive list of features that come with it.