Useful tips for everyday
How do I rollback migrations? to rollback that specific migration. You can rollback your migration by using rake db:rollback with different options. The syntax will…
When to validate the fields of a form? When users enter data in a form and click a submit button, check if the data is…
How can I learn oscilloscope? Oscilloscope Instructions Set the oscilloscope to display channel 1. Set the vertical volts/division scale and position controls to mid–range positions.…
Can you install an infotainment system? The answer is no. Thanks to the automotive aftermarket, and suppliers in the Far East, there are dozens of…
Are solid state drives better than traditional hard drives? SSDs in general are more reliable than HDDs, which again is a function of having no…
What is the effect of increasing the gain on an omnidirectional antenna? To accommodate the complicated electromagnetic circumstances, high gain omnidirectional antennas are required which…
How to create a custom approval workflow in SharePoint? To get started with a custom task process in an approval workflow, you can edit one…
When you log on to a PC with a user name and password you are authenticating Authorization is the process of verifying that you have…
What is a security SSID? SSID is simply the technical term for a Wi-Fi network name. You’ll see this name when you connect your devices…
What is DTW time series? Dynamic Time Warping (DTW) is a way to compare two -usually temporal- sequences that do not sync up perfectly. It…