Learn and practice Aptitude questions and answers with explanation for interview, competitive examination and entrance test.
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关于python的单实例模式 摘要: 单实例模式一直是常用的设计模式,对于python的单实例模式,其实其本身就有实现http://stackoverflow.com/questions/31875/is-there-a-simple-elegant-way-to-define-singletons-in-python/31887#31... 阅读全文 posted @ 2014-08-08 00:10 Fresher_Z 阅读(197) 评论(0) 推荐(0...
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Open to all. In my opinion throwing exception from constructor is an option.Answer:This is similar to previous interview question. Since constructor of Singleton class is supposed to beprivateit prevents creating instance of Singleton from outside butReflection can access private fields and methods,...
What are Aptitude Questions and Answers and How to solve? As you are awareAptitudetest is the process to check ability of solving problems, it is the first step of any company's interview. Anonline test of Aptitudemakes youlogically strong. Here we are providingset of questions (Multiple Cho...
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Python supports n-dimensional arrays with Numpy. For data in 2-dimensions, Pandas is the best library for analysis. You can use other tools but tools have drag-and-drop features and have limitations. Pandas can be customized as per the need as we can code depending upon the real-life ...
Programming Skills:You should be proficient in programming languages such asPHP,Java, .NETand more as you will use them frequently for scaling web applications. Python and Ruby are also among the most popular programming languages among cloud developers. ...