Reading data from file into an array

Hi I have compiled your code, with the .txt it runs well, without gives the strage numbers that you see. So probably you are opening a file that does not exists, or can not be red. This snippet checks if the file exists, raises an error if not, and uses a vector(more suitable in c++)

Finding the average of an array using JS

You calculate an average by adding all the elements and then dividing by the number of elements. The reason you got 68 as your result is because in your loop, you keep overwriting your average, so the final value will be the result of your last calculation. And your division and multiplication by grades.length cancel … Read more

Removing nan values from an array

If you’re using numpy for your arrays, you can also use Equivalently [Thanks to chbrown for the added shorthand] Explanation The inner function, numpy.isnan returns a boolean/logical array which has the value True everywhere that x is not-a-number. As we want the opposite, we use the logical-not operator, ~ to get an array with Trues … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)