Useful tips for everyday
What is normalized symbol? I have seen normalized quantities expressed by adding a twiddle (tilde) over the character (as in ˜A=A/A0), but I this notation…
Why capacitor bank is rated in KVAR? Capacitor banks designed for power factor correction are rated in kVAr (kilo-volt-ampere reactive) because it’s convenient. One will…
Why are my widgets not working? It turns out that this is a feature of Android where widgets are blocked for apps that are installed…
Are memory caches flushed on context switch? The cache is typically oblivious to a context switch. Only the sequence of memory addresses accessed determines which…
How do you write a ratio into a fraction? To write a ratio as a fraction in its simplest form, add the parts of the…
How do you hide the top menu bar on a Mac? Open System Preferences. Click on the Dock & Menu Bar icon. About halfway down…
Which is the best way to bootstrap a statistic? You can bootstrap a single statistic (e.g. a median), or a vector (e.g., regression weights). This…
How do you detect polymorphic viruses? When a scanner loads a file infected by a polymorphic virus into this virtual computer, the virus decryption routine…
How do I print double sided with flipping? Go to File and then Print. Select one of the printers that will perform duplex printing. Click…
Is Bugzilla still being developed? Bugzilla is a high-quality product, developed to exact standards, and will remain that way for the foreseeable future. Is Bugzilla…