Useful tips for everyday
What are the power driver circuits in a stepper motor? A stepper drive is the driver circuit that controls how the stepper motor operates. Stepper…
Do I need CMS for my website? A CMS solution is a better option if you’re creating a large website with multiple pages, or if…
Do you use wood conditioner before tung oil? You’re not staining, so no need for ‘conditioning’ the wood beforehand. Also important to understand what “wood…
How to convert a vector map to raster in QGIS? Also, when creating the new raster, you have to set either the raster size (width…
Can you create applications with JavaScript? One of the most interesting things developers can do today with JavaScript is building applications for non-web contexts. This…
How to run mdadm.service as root? As in the question linked by roaima, try running these commands as root: The first will reconfigure the mdadm…
Does Count calculate NULL values? COUNT(*) returns the number of items in a group. This includes NULL values and duplicates. How do I count the…
Why does my Mobile Hotspot keep cutting out? Below are the most common reasons: Your wireless drivers could be out-of-date. There could be wireless interference.…
Does foreign key constraint affect performance? It’s a common mistake to avoid creating foreign keys in a database because they negatively impact the performance. It…
How do I delete a query in MySQL? To delete rows in a MySQL table, use the DELETE FROM statement: DELETE FROM products WHERE product_id=1;…