Useful tips for everyday
How to create a web widget in JavaScript? Create a JavaScript file and name it bootloader.js: In our bootloader, we have more JavaScript code to…
Why is my left shift not working? This can sometimes be caused by malware, so be sure to perform a full system scan. Left Shift…
How do you find the type of a list? Use isinstance() to check if an object has type list. Call isinstance(object, class_or_tuple) with class_or_tuple as…
Should an email server be in a DMZ? But does this mean corporate email, DNS, and other crucial servers should all be moved from the…
How do I find printer configuration? Before you begin, make sure the device is on, and connectivity is enabled. Click the Start Button in the…
How can I check RAM in Linux? Linux Open the command line. Type the following command: grep MemTotal /proc/meminfo. You should see something similar to…
How do you calculate 1 4 wave antenna? 1/4 wave length antenna take 300 and divide by the frequency. So 150 MHz becomes 2 meters,…
How do I create a smart folder in Gmail? How to make filter changes Click on the Settings button inside Gmail. Find and click Edit…
Why is SD better than mean? In fiancé standard deviation is used for calculation of an annual rate of return, whereas mean is calculated for…
Why does gpg error say signatures were invalid? GPG error: http://apt.postgresql.org precise-pgdg Release: The following signatures were invalid: KEYEXPIRED 1381654177 The solution is perfectly described…