Useful tips for everyday
What is wpdb and why I try not to use it? In the simplest terms possible $wpdb is how the database is accessed 99% of…
What are the 3 different ways of summarizing categorical variables? Summarizing Categorical Variables Frequency tables, pie charts, and bar charts are the most appropriate graphical…
Which is more accurate interpolation or extrapolation? Of the two methods, interpolation is preferred. This is because we have a greater likelihood of obtaining a…
What is Coffman condition? The Coffman conditions are given as follows − Mutual Exclusion. There should be a resource that can only be held by…
Why do we need to normalize data before PCA? Normalization is important in PCA since it is a variance maximizing exercise. It projects your original…
How to show a loading panel in a page? Let’s change the data load method to show loading panel until action completes, When click on…
Is it possible to upgrade from Snow Leopard to mountain lion? MacBook, Mac OS X (10.6.8) You can upgrade to Mountain Lion from Lion or…
What was unusual about the Eyjafjallajökull eruption of 2010? The 2010 eruptions of Eyjafjallajökull were a period of volcanic events at Eyjafjallajökull in Iceland which,…
What happens when you encrypt a device? With device encryption, stored data is scrambled and unreadable to others. When a user puts in their passcode…
What is the difference between a view and a query? Views are a special version of tables in SQL. The view is a query stored…