Useful tips for everyday
Are classes abstraction? An abstract class is a class that is declared abstract —it may or may not include abstract methods. Abstract classes cannot be…
Should I make a method static? The main method must be static. When you want to have a variable that always has the same value…
How do you find the data in a chart? Click anywhere on the chart and click the Layout tab to display the chart layout tools…
Do you have to give GPL source code away? However, this is not all bad news, because the GPL only requires that you distribute the…
Can we use GitHub to store data? Store Data in the Cloud button on your GitHub home page. A repository is just a collection of…
What does pandas merge do? Merge DataFrame objects by performing a database-style join operation by columns or indexes. If joining columns on columns, the DataFrame…
What are the advantages of copy-on-write? The new allocation ensures that a change in the memory of one process is not visible in another’s. The…
How many arguments should a function have? The ideal number of arguments for a function is zero (niladic). Next comes one (monadic), followed closely by…
What are closures in Swift? Closures are self-contained blocks of functionality that can be passed around and used in your code. Closures in Swift are…
What does encrypted content mean? Encryption is the method by which information is converted into secret code that hides the information’s true meaning. The science…