Useful tips for everyday
How do you calculate conditional expectation? The conditional expectation (also called the conditional mean or conditional expected value) is simply the mean, calculated after a…
What does it mean for a Markov chain to be recurrent? A recurrent state has the property that a Markov chain starting at this state…
Is it better to pass by reference or value? Pass-by-references is more efficient than pass-by-value, because it does not copy the arguments. The formal parameter…
How do you use cross-validation for classification? k-Fold Cross-Validation Take the group as a hold out or test data set. Take the remaining groups as…
What database to use with Elixir? The latest version (2.0) supports PostgreSQL and MySQL. (support for MSSQL, SQLite, and MongoDB will be available in the…
How many years does a smartphone battery last? Replacing your phone battery gives it a new lease of life Over time, your phone’s battery degrades.…
How fix GPU No display after installing driver? How do I fix the black screen when installing graphics card driver? Uninstall and reinstall GPU driver.…
What is the purpose of the command lsof? lsof command stands for List Of Open File. This command provides a list of files that are…
How are nested list comprehensions used in Python? List Comprehensions are one of the most amazing features of Python. It is a smart and concise…
Can you archive multiple cards in Trello? Perform Bulk Actions Click the board button to open the simplified board view. Here you can select multiple…