Useful tips for everyday
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…
What is stored in a MAC address table? The address table lists the destination MAC address, the associated VLAN ID, and port number associated with…
What are five methods of voting? Regular methods Voice vote. Rising vote. Show of hands. Signed ballot. Repeated balloting. Preferential voting. Cumulative voting. Runoffs. What…
Is pine OK for a workbench? There’s a common misconception that pine is not durable enough for a workbench and also not heavy enough. I…
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,…