Useful tips for everyday
How much RAM does a 2012 MacBook Air have? 8GB More, faster RAM: The 2012 Air can support up to 8GB of RAM, compared to…
What is PKD Mac? According to the man page, pkd is a: management and supervision daemon for plug-in services. You can stop it with: launchctl…
What is BSD sed? BSD sed : always appends a newline on output, even if the input line doesn’t end in one. GNU sed :…
How is a varicap used in an AFC circuit? The AFC circuit senses the difference between the actual oscillator frequency and the frequency that is…
Does Google Drive store voicemails? It creates a new folder called Google Voice in your Google Drive and all the voicemail MP3 files are saved…
Does Readlines return lists? The readlines() method returns a list containing each line in the file as a list item. Use the hint parameter to…
Why does nothing happen when I run Python script? However, when I run it with “python my_script.py”, nothing happens, as if the program was ran…
How can I make my Raspberry Pi zero faster? In summary: Use a reliable power supply. Install a lightweight operating system. Uninstall bloatware. Disable JavaScript.…
What VHF channel must you monitor? channel 16 You won’t be using the vast majority of channels on your VHF. However, channel 16 on your…
Why Fourier transform is not suitable for non-stationary signals? A stationary signal is a signal that repeats into infinity with the same periodicity. The Fourier…