Once every few days, Starbucks sends out an offer to users of the mobile app. An offer can be merely an advertisement for a drink or an actual offer such as a discount or BOGO (buy one get one free). Some users might not receive any offer during certain weeks.Not…


Stack Overflow every year conducts a survey for developers and programmers on its website, which is a variety of questions about the level of study, jobs, satisfaction with salary and career, to more technical questions such as programming languages, frameworks and more.

In this article, we will use data from…

Mlata Ibrahim

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