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Troubleshooting Guide: Windows 11 Taskbar Not Showing - How to Fix It

  If your Windows 11 taskbar is not showing, you can try several troubleshooting steps to resolve the issue. Here are some potential solutions you can try:
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What is RENAMENX in Redis? How to rename a KEY in Redis?

 RENAMENX is a Redis command that is similar to the RENAME command, but with an additional condition to ensure atomicity.

The RENAMENX command takes two arguments, the old key name and the new key name. Here is the syntax for the RENAMENX command:

RENAMENX old_key_name new_key_name

If the new key name does not exist, the old key name will be changed to the new name, and any data stored in the old key will be preserved. If a key already exists with the new name, the RENAMENX command will do nothing and return 0. This ensures that the operation is atomic and avoids overwriting existing keys unintentionally.

The return value of the RENAMENX command is 1 if the key was renamed successfully, and 0 if the new key already exists and the renaming was not performed.

It's important to note that RENAMENX is a relatively low-level command and should be used with care. In most cases, the RENAME command is sufficient for renaming keys in Redis.

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