Useful tips for everyday
Can you extract subtitles from MKV file? First, install MKVToolNix and then put MKVExtractGUI-2.exe to the MKVToolNix folder, after that, double-click MKVExtractGUI-2 to run it.…
Who invented Mac OS X? Steve Jobs macOS succeeded the classic Mac OS, a Macintosh operating system with nine releases from 1984 to 1999. During…
How do I turn off chrome auto launch? Press ⌘ + Option + Esc. Look for ‘Google Chrome’. Click it, then click Force quit. Can…
What is ANOVA () in R? ANOVA also known as Analysis of variance is used to investigate relations between categorical variable and continuous variable in…
Why are there so many open source password managers? Most are free. Open source simply means that the software isn’t finished. Unlike traditional programs, these…
What is a model in model-based reinforcement learning? Definition. Model-based Reinforcement Learning refers to learning optimal behavior indirectly by learning a model of the environment…
What is t-value and p-value in regression? The t statistic is the coefficient divided by its standard error. Your regression software compares the t statistic…
What does MySQL Group _ concat ( ) function do? MySQL GROUP_CONCAT() function returns a string with concatenated non-NULL value from a group. Also discussed…
How do you check table record count? The SQL COUNT() function returns the number of rows in a table satisfying the criteria specified in the…
Can triggers handle more than one operation at a time? Each trigger would handle multiple unrelated items of business logic. Can we have multiple triggers…