Useful tips for everyday
How does SQL Server solve key lookup? One of the easiest things to fix when performance tuning queries are Key Lookups or RID Lookups. The…
What is CN in x509? The Distinguished Name (DN) uniquely identifies an entity in an X. 509 certificate. The Common Name (CN) can describe an…
Are hats allowed inside? There is nothing wrong with wearing a hat indoors if it’s required, such as a hard hat at a construction site.…
What are the three types of gradients? You can choose between three types of gradients: linear (created with the linear-gradient() function), radial (created with radial-gradient()…
Is Intel 8080 still used? Although earlier microprocessors were used for calculators, cash registers, computer terminals, industrial robots, and other applications, the 8080 became one…
What is RC522? The RC522 is a 13.56MHz RFID module that is based on the MFRC522 controller from NXP semiconductors. The module can supports I2C,…
Is it bad to have static methods? In the universe of OO static methods are anti-matter. They don’t have to be bad, but they are…
How does OpenSSL handle a new TLS connection? Whenever we get a new connection we call accept as normal. To handle the TLS we create…
What happens when iPhone data is erased? When you tap Erase All Content and Settings, it completely erases your device, including any credit or debit…
Why is my Wi-Fi dongle not working? If your dongle doesn’t have a solid green light, you’re not connected. To restart your dongle, unplug it…