Useful tips for everyday
How install PostGIS Linux? Let’s now kickstart the installation of PostGIS on Ubuntu 20.04/18.04 / Debian 10 Linux system. Step 1: Update system. Step 2:…
How can I use my phone as a IoT device? Step 1 Create an IoT app in the IBM Cloud. Step 2 Add a device…
How does a Lambda oxygen sensor work? Your lambda sensor converts the amount of oxygen present in your exhaust into an electric signal and sends…
How do I save an address to Google Maps offline? You can save an area from Google Maps to your phone or tablet and use…
How is a transient analysis performed in LTspice? Transient analysis analyzes changes in voltage and current over time when an input signal is applied to…
Is downloading from websites safe? Safe downloading These are files used by programs to run on your computer. However, they are also commonly used in…
Can you scan a QR code on a mirror? The simple answer is No. Mirroring a QR Codes or inverting it will prevent “most” barcode…
How do I delete files from a DVD-R? How to Erase a DVD-R Disc Insert the disc into your computer’s CD/DVD player. Open “Applications/Utilities” and…
What is a semi-log linear regression? On a semi-log plot the spacing of the scale on the y-axis (or x-axis) is proportional to the logarithm…
How to determine optimal k for KNN? The optimal K value usually found is the square root of N, where N is the total number…