Useful tips for everyday
How do you access private variables in test class in Salesforce? Use the TestVisible annotation to allow test methods to access private or protected members…
What are Drawables in Android? What are Drawables? A Drawable resource is a general concept for a graphic which can be drawn. The simplest case…
Can I connect a microphone to my MacBook air? The MacBook Air has a single headphone port, which should be more accurately called the “headset”…
Does Watts matter in LED lights? LEDs are designed to use less energy and naturally have a lower watt rating. This means it’s useless to…
How can you tell if a database is locked? To obtain information about locks in the SQL Server Database Engine, use the sys. dm_tran_locks dynamic…
How to create a sequential number for rows within each group? Here’s some data grouped by “personid”: I wish to add an id column with…
Does tung oil leave a residue? Yes, the sticky parts are simply where the oil has not completely cured. You can either wait for the…
How to explain relationships in use case diagrams? When it comes to drawing use case diagrams one area many struggles with is showing various relationships…
What is the three line menu icon called? Insiders call it “the hamburger”: Three stacked lines, usually in the top left- or right-hand corner of…
How do you avoid race condition in flip flops? Steps to avoid racing condition in JK Flip flop: If the Clock On or High time…