Useful tips for everyday
Why is important to create a change log for each server? It’s important to have a record of all changes because it helps ensure that…
How does ZigBee protocol work? Zigbee smart devices communicate with each other using a radio transceiver. The chip operates on the IEEE 802.15. 4 protocol,…
Why is my MacBook air just a black screen? Press and hold the power button for about 10 seconds. Press and release the power button,…
What is a primary key and a foreign key? A primary key is a column or a set of columns in a table whose values…
Which is encoder mode does the STM32 timer use? As we’ve discussed in an earlier tutorial, the timer modules can operate a variety of modes…
How do I change the search domain on my Mac? Enter DNS and search domain settings on Mac On your Mac, choose Apple menu >…
Is there a legal requirement to keep emails? How do I comply with regulations? The basic rule is to be sure to store any emails…
How do you prevent duplicate records in Salesforce trigger? trigger PreventDuplicateContacts on Contact (before insert) { Set emailSet = new Set(); Set phoneSet = new…
How do I add a pop up in WooCommerce? Setup and Configuration Go to: WooCommerce > Settings > Splash Popup. Select a WordPress page (by…
How do I set restrictions on my iPad 6th generation? Follow these steps: Go to Settings and tap Screen Time. Tap Content & Privacy Restrictions…