Useful tips for everyday
What is the meaning of exit 1? Exit Failure: Exit Failure is indicated by exit(1) which means the abnormal termination of the program, i.e. some…
What is the method used to select a value from ListBox in selenium? Select listbox = new Select(driver. findElement(By.id(“multiselect”))); We then use selectByValue() method to…
How is a half H bridge different from a full H bridge? The main difference between the two configurations is that the output voltage of…
How to find the longest substring in O ( m * n ) time? Dynamic Programming can be used to find the longest common substring…
What type of turns should be made while holding? A standard holding pattern uses right-hand turns and takes approximately 4 minutes to complete (one minute…
How do you handle errors in JavaScript? JavaScript provides error-handling mechanism to catch runtime errors using try-catch-finally block, similar to other languages like Java or…
How many parameters of weights and biases are there in this neural network? according to the formula the number of model parameters(weights) of this Neural…
Why do we need dual problems in SVM? In mathematical optimization theory, duality means that optimization problems may be viewed from either of two perspectives,…
How to check PostgreSQL could not connect to server? $ psql -h localhost -p 12345 psql: could not connect to server: Connection refused Is the…
Is it okay to use hypothesis testing with at test when population distribution is not normal? For a t-test to be valid on a sample…