Useful tips for everyday
How is covariance written? Consider two random variables X and Y. Here, we define the covariance between X and Y, written Cov(X,Y). The covariance gives…
How do I validate a code signing certificate? How to Verify Your Code Signing Certificate Is Installed In Internet Explorer, go to Internet Options. In…
Why do you have to escape spaces in the command line? Command Line 101: Why You Have to Escape Spaces “Escaping” a character changes its…
How often is BCP test? Two times a year, conduct a high-level check that objectives are still being met by the current BCP. If you…
How insecure are IoT devices? Insecure Default Settings IoT devices are shipped with default, hardcoded settings that are easy insecure and easy to be breached…
How do I control Raspberry Pi GPIO pins? How to Control GPIO Pins on Your Raspberry Pi Import the module to talk to the pins.…
How to create SQL Server trigger to validate data? So everything is grouped by iJCMasterID and I need to basically confirm that the CustCharge =…
Is Google maps free for mobile? You won’t be charged until your usage exceeds $200 in a month. Note that the Maps Embed API, Maps…
How are async methods intended to be non-blocking? Async methods are intended to be non-blocking operations. An await expression in an async method doesn’t block…
Can the IP header be bigger than 20 bytes if so how is it possible? If the header is longer than 20 bytes, it must…