Useful tips for everyday
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…
Does Arduino have gyroscope? How does an Arduino gyroscope sensor work? The accelerometer measures the acceleration along one direction, while the gyroscope measures the angular…
Is Cracking wifi passwords easy? WEP Security WEP stands for Wired Equivalent Privacy. And this is the first wifi security, which was invented in 1999.…
Are subscriptions in app purchases? Apps in all categories on the App Store (for iPhone and iPad users) and Google Play (for Android users) have…