Useful tips for everyday
Does MySQL Union remove duplicates? The MySQL UNION operator is used to combine the result sets of 2 or more SELECT statements. It removes duplicate…
How do I fix Python 3 command not found? python3 shebang line will fail to run, because python3.exe is not exists on Windows – it…
Why does my Mac shut down after logging in? If so this might be because of an old or overused hard drive (it might be…
How send JSON data on form submit? Get complete form data as array and json stringify it. You can use it later in ajax. Or…
What is a high pass Butterworth filter? In the field of Image Processing, Butterworth Highpass Filter (BHPF) is used for image sharpening in the frequency…
What are the different types of second order filters? All these types of filter designs are available as either: low pass filter, high pass filter,…
What happens if I interrupt formatting? You can stop the currently in-progress formatting session but this will leave the entire drive unformatted. If you start…
How do I search text in Apple notes? Search your notes Swipe down on the notes list to reveal the search field. Tap the search…
What happens when a ball is falling? As the ball falls towards the ground, its gravitational potential energy is transformed into kinetic energy. The kinetic…
How to create a shapefile with overlapping polygons? In order to keep the attributes from both polygons, add your polygon shapefile twice as input and…