A corrupted or damaged hard drive can spell disaster for you and possibly for your whole company, especially if you are not in the habit of creating backup files. However, there is still hope for a corrupted or inaccessible USB or hard drive. You can either bring the device to a data recovery professional or perform a recovery procedure yourself. If you want to save money, it is advisable that you try to recover your files on your own. This tutorial will show you how to recover files from an inaccessible USB or hard drive.
With the latest trend in online security requirements, having a password is not enough to keep your iPhone account safe. If an unauthorized person obtains your password, you need another layer of security, specifically two-factor authentication. Two-factor authentication will ensure that your Apple account is safe and can only be used on trusted devices. When accessed from a new device, your account will ask for your account password and a six-digit verification code. The verification code will be displayed on your trusted devices. Furthermore, the verification code will be sent over SMS to your trusted phone number. Once the correct account password and verification code are entered, the new device will become one of your trusted devices. This tutorial demonstrates how to enable two-factor authentication on iPhone.
Facebook Live is a convenient way to stream live video for your friends and followers. With this feature, streamers get to broadcast and interact with their viewers in real time. Taking the feature and what it does at face value, you might not see any issues with it. Streamers broadcast their feeds live while viewers can comment, interact, and react to videos. However, the more popular a live stream is, the more viewers it has. Though the feature is all about attracting viewers, some of them can be unruly. They can repeatedly spam enough reactions to flood the screen with likes and emoticons which may spoil your viewing experience. Also, some comments can be aggravating. If you want to skip the headaches and view the live stream without distractions, then this tutorial will help you disable comments and reactions on Facebook Live.
Adding emoji or doodles to pictures or videos taken by WhatsApp can be a great way to show your creativity and spice up the conversation. Learn how to do it in this step-by-step tutorial.
To learn the basics of SQL Server, you must have an understanding of how an SQL Server query engine executes an SQL query. T-SQL involves both logical and physical query processing. Physical query processing is about how a database engine processes a query. Logical query processing is a conceptual flow, an order of the clauses knowing how SQL Server evaluates these clauses while executing a query.
SQL Server has introduced multiple ways to handle NULL values. The functions that are most used to handle NULLs are COALESCE and ISNULL in SQL Server. These functions are used to find Non-NULL values from a list of arguments. In this post, we will see the uses of the ISNULL and COALESCE functions and their differences with examples.