Useful tips for everyday
What is file migration? What is migration? It involves transferring, or migrating, data from an aging or obsolete file format into a new file format,…
What is NGINX architecture? Whereas many web servers and application servers use a simple threaded or process‑based architecture, NGINX stands out with a sophisticated event‑driven…
Can you check Wi-Fi history on phone? zANTI (Android App) If you are looking for how to check WiFi history on Android, zANTI is the…
How to programmatically load custom block in page / node? Currently, my custom block is within Structure > Block Layout > Custom block Library under…
How to get value of HTML select? To get the value of a select or dropdown in HTML using pure JavaScript, first we get the…
Can I use both mean and median? We use both median and mean to give us a sense of what the ‘average’ or middle of…
How do I convert to 3db? To convert a ratio to dB, do log and then times by 10. Example: dB = +12.5 dB. How…
How do I add a spatial reference to a shapefile? In ArcCatalog, click the shapefile whose coordinate system you want to define. Click the File…
How would you best define a confusion matrix for a classification problem? A confusion matrix is a summary of prediction results on a classification problem.…
What does an APK file contain? An APK file contains all of a program’s code (such as . dex files), resources, assets, certificates, and manifest…