Useful tips for everyday
How do I mark all emails as read in Thunderbird? To mark all messages read in a Mozilla Thunderbird folder quickly: Select the folder or…
Why is the ESP8266 not responding to the AT commands? Seems like you didnt used any type of voltage divider or level shifter between the…
How to choose the features for a neural network? The beauty of neural networks is that little feature engineering and preprocessing is required — features…
What is difference between shell and shell variable Linux? Both shell and environment variables are local to the shell/process which defined them: Environment variables can…
How do you code a stepper motor? See also Stepper myStepper = Stepper(steps, pin1, pin2, pin3, pin4) stepper.setSpeed() stepper.step() Stepper library reference. MotorKnob – Moves…
How do you calculate a field in Excel? We’ll define the calculated fields with the Field Editor. To open the Field Editor: Expand Components >…
How set MySQL root password when installing? This is the case if you initialized the data directory using mysqld –initialize-insecure. Connect to the server as…
How to reproduce ora-00942 table or view does not exist? To reproduce the problem, execute the following SQL as user1: Then, execute this insert statement…
How do I delete a row in Excel that contains certain text? You can do this without programming: On the Home tab of the ribbon,…
What is the length of an Ethernet frame? To recap, Ethernet has a minimum frame size of 64 bytes, comprising an 18-byte header and a…