The Education Ecosystem Blog is a hub for in-depth development blogs and new technology announcements written by professional software engineers in the Education Ecosystem network
Answer Although typeof bar === “object” is a reliable way of checking if bar is an object, the surprising gotcha in JavaScript is that null is also considered an object! Therefore, the following code will,…
Answer: In Ruby, the only values that evaluate to false are false and nil. Everything else – even zero (0) and an empty array ([]) – evaluates to true. This comes as a real surprise…
September, 29 2016: PHP Answer: The correct answer is 18. Here’s why: PHP supports automatic type conversion based on the context in which a variable or value is being used. If you perform an arithmetic…
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