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Pratt & Whitney stated the A220's and Embraer E2's PW1500G/PW1900Gs are free from the issue and that less than 2% of PW1100Gs are affected while 182 GTF-powered A320/A321neos have been delivered. [76] In 2018 some engines were reported as emitting "a strange howling noise" as heard by people below the aircraft as it made its landing approach.
The Pratt & Whitney Canada PW800 is a series of turbofan engines in the 10,000–20,000 lbf (44–89 kN) thrust class, manufactured by Pratt & Whitney Canada.Intended for the regional jet and business jet market, the gear-less PW800 shares a common core with the larger, geared PW1000G.
The PW1500G has a 20 dB margin to Chapter IV noise limits, and high-efficiency components and advanced combustor technologies reduce CO 2 and NOx emissions. [208] It was certified in February 2013, the first variant in the PW1000G range. [ 208 ]
The RFC specifies this code should be returned by teapots requested to brew coffee. [18] This HTTP status is used as an Easter egg in some websites, such as Google.com's "I'm a teapot" easter egg. [19] [20] [21] Sometimes, this status code is also used as a response to a blocked request, instead of the more appropriate 403 Forbidden. [22] [23]
Spaghetti code is a pejorative phrase for difficult-to-maintain and unstructured computer source code. Code being developed with poor structure can be due to any of several factors, such as volatile project requirements, lack of programming style rules, and software engineers with insufficient ability or experience.
The problem to determine all positive integers such that the concatenation of and in base uses at most distinct characters for and fixed [citation needed] and many other problems in the coding theory are also the unsolved problems in mathematics.
Parsons problems are a form of an objective assessment in which respondents are asked to choose from a selection of code fragments, some subset of which comprise the problem solution. The Parsons problem format is used in the learning and teaching of computer programming .