Useful tips for everyday
How do I make the scrollbar appear at the top? To simulate a second horizontal scrollbar on top of an element, put a “dummy” div…
Can a phone emit a radio signal? Cell phones emit low levels of radio frequency energy, a type of non-ionizing radiation. The available scientific data…
What is constant error in measurement? In a scientific experiment, a constant error — also known as a systematic error — is a source of…
Can you do correlations with dichotomous variables? For a dichotomous categorical variable and a continuous variable you can calculate a Pearson correlation if the categorical…
What is an example of an antagonistic interaction? An example is pesticide and fertilizer. Antagonistic interaction means that the effect of two chemicals is actually…
Which design pattern is used that allows constructing complex objects step by step? Builder pattern aims to “Separate the construction of a complex object from…
What is a division on an oscilloscope? A “division” is the distance between two lines of a square on the oscilloscope’s screen. A setting of…
Can Java read CSV file? You can load data from a CSV file in a Java program by using BufferedReader class from the java.io package.…
What do you need to know about the Salesforce platform? The platform extends functionality which Salesforce built to provide users with training content specific to…
What is a transient current? : an oscillatory or aperiodic current that flows in a circuit for a short time following an electromagnetic disturbance (as…