Useful tips for everyday
How does a car stay at a constant speed? An object at rest stays at rest and an object in motion stays in motion with…
How many people have their Wikipedia page? 59% of the editors are aged 17 to 40. The English Wikipedia currently has 42,167,667 users who have…
Does Google App Engine support C#? Google App Engine applications are easy to create, maintain, and scale as your traffic and data storage needs change.…
How do I see old hangout conversations? On the Gmail website, click the “More” option in the left sidebar. Click “Chats” to view all the…
How do I reset my TightVNC admin password? If you would like to set the default password, run Start->Programs->TightVNC->Administration->Show Default Settings. What is view only…
Do you need to normalize data for PCA? Yes, it is necessary to normalize data before performing PCA. The PCA calculates a new projection of…
How do I create a parent-child relationship in Excel? Follow these steps: Open the Power Pivot window. Click Home > View > Diagram View. In…
How do you know when a string ends? endsWith() The endsWith() method determines whether a string ends with the characters of a specified string, returning…
Is python range an iterator? In python range objects are not iterators. range is a class of a list of immutable objects. The iteration behavior…
How can I join two tables but only return rows that do not match? However, I only want to return the results from table 1…