Useful tips for everyday
How do you parameterize a URL? To identify a URL parameter, refer to the portion of the URL that comes after a question mark (?).…
What is NullReferenceException object reference not set to an instance of an object? Object reference not set to an instance of an object. This exception…
What does it mean to restrict API key? Application restrictions limit an API key’s usage to a specific platform (Android or iOS) or specific sites…
What is the responsibility of a data controller? The data controller determines the purposes for which and the manner in which personal data is processed.…
Can Google Analytics do cohort analysis? Running a cohort analysis in Google Analytics is a fairly simple process. Under the Audience Tab, select Cohort Analysis.…
What are the disadvantages of S3? Limitations of Amazon S3 Operations on directories are potentially slow and non-atomic. Not all file operations are supported. Data…
Why do we need multiple hidden layers? One hidden layer is sufficient for the large majority of problems. Usually, each hidden layer contains the same…
How do you connect PyMongo? On the python command line: import pymongo from pymongo import MongoClient connection = MongoClient() ## connects by default to db…
What does a power supply board do? TV Power Supply: The power board converts the ac line voltage which is 110 volts AC to lower…
What is a functor in category theory? A Functor is kind of mapping of objects and morphisms that preserves composition and identity. In Category A…