Useful tips for everyday
Do you need Adobe Reader to open PDF? It’s not mandatory. You need Adobe Acrobat Reader DC for opening PDF documents, but it’s not the…
How does a display with a common cathode connection work? In the common cathode display, all the cathode connections of the LED segments are connected…
What integration test should cover? Test cases should not be too complex Usually, Integration testing involves checking the interfaces between components or with external systems.…
How to prevent access to certain user roles? Roles vs. Capabilities: As role names can change and as roles are just groups of capabilities, it’s…
What is the difference between if and if else statement? The if statement is a decision-making structure that consists of an expression followed by one…
How to create and associate Salesforce file using APEX? In your class i.e., the controller, send the request to the Model (database) to create ContentVersion…
How do you stencil a PCB? PCB Stencils are manufactured by creating openings through lasers on a stainless steel foil based sheet at the positions…
How is the chi squared distribution an asymptotic property? Asymptotic properties. The chi-squared distribution is obtained as the sum of the squares of k independent,…
Can you do a hypothesis test for standard deviation? A hypothesis test for a population mean when the population standard deviation, σ, is unknown is…
How long can a jet engine run continuously? Large turbofan engines like CF6 are more designed for long range flights, which usually have a duration…