Useful tips for everyday
Why does the font look weird on my computer? Control Panel –> Appearance and Personalization –> Fonts and then on the left panel, select the…
How will you check whether the given function is strictly concave or strictly convex? f is concave if and only if H(x) is negative semidefinite…
Why are pull-up resistors needed in open collector gates why not pull-down resistors? Pull-up Resistor Summary A pull-up resistor connects unused input pins (AND and…
Can you explain sequence diagrams? A sequence diagram is a Unified Modeling Language (UML) diagram that illustrates the sequence of messages between objects in an…
How can I increase the range of my transmitter? In current system, different frequency modules works with different ranges, like 434 MHz RF module normally…
Can exhaust leak damage O2 sensor? Here is where an exhaust leak can affect fuel mileage or engine performance. In order for an oxygen sensor…
How to set customer session data in Magento 2? I am struggling with magento 2 session. I have created below controller file as a sample…
How do you identify product attributes? Attributes are defined as tangible (physical) or intangible (non-physical). Tangibles are characteristics such as size, color, smell, product design,…
What is bulkification? The term bulkifying Apex code refers to the concept of making sure the code properly handles more than one record at a…
How do I add a navigation bar button? Main Storyboard scene setup Select your view controller and choose Editor > Embed In > Navigation Controller:…