Useful tips for everyday
How to delete Ajax url in Node.js? (1) Take button click event and take attribute from ‘data-id’. (2) Run AJAX DELETE method. You should make…
Why are my disc brakes slipping? A loss of braking power is usually the result of one of two things: air in the system or…
How is the maximum current limited in a MOSFET switch? Instead of allowing the switch’s output voltage to bounce up to the full supply voltage…
How do I open terminal on Raspberry Pi from startup? Firstly, open a terminal window and enter “sudo raspi-config”. This should bring up a menu…
How do I add a related tab in Salesforce? To add a related list, in the palette, click Related Lists. Drag a related list from…
How do you connect an H-Bridge to a battery? Like seen in previous diagrams, connect the manual switch and 5v pins to the 5v pin…
How does an Archimedes screw work in a Dutch windmill? Due to the simplicity of how it works, the Archimedes’ screw can be environmentally friendly…
How do you calculate variability of data? Measures of Variability: Variance Find the mean of the data set. Subtract the mean from each value in…
How do I change my firewall settings Mac? To change these preferences on your Mac, choose Apple menu > System Preferences, click Security & Privacy,…
Is there a limit on in-app purchases? The current limit for Apple’s In-Purchase is 10.000 items. If that is not enough you can be granted…