Community driven content discussing all aspects of software development from DevOps to design patterns. The easiest way to convert from a long to a String in Java is to add the long to an empty set of ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Follow these steps to find the length of a String in Java: Declare a variable of type String ...

When I upgrade spring-data-mongodb from 3.1.8 to 3.3.5, I encountered below exception: org.springframework.data.mapping.MappingException: Cannot convert [a, b, c] of type class java.util.ArrayList ...

The array X = np.array([np.nan,np.nan,"foo",np.nan,np.nan]) converts the np.nan to 'nan' i.e a string instead of keeping it as np.nan. This can really easy introduce bugs, since stuff like pd.issnull( ...

Many apps, services, and household gadgets use speech recognition to provide a better user experience and improve accessibility. There are countless Android apps that make use of speech recognition — ...

With smartphones getting more advanced all the time, it’s sometimes easy to forget that they’re designed for making calls and sending messages, and everything else is just an added extra. In this ...