Useful tips for everyday
Why is there a GPS icon always on Android? On Nexus / Pixel devices this icon should only appear when an application is requesting location…
How do you check if a variable is not defined in shell script? To find out if a bash variable is empty: Return true if…
Does multicollinearity cause a problem in the regression analysis? Multicollinearity reduces the precision of the estimated coefficients, which weakens the statistical power of your regression…
How do you increase your soft limit? To Increase the File Descriptor Limit (Linux) Display the current hard limit of your machine. Edit the /etc/security/limits.conf…
How do I change the search query in WordPress? You can simply add following code in your functions. php file in your WordPress theme directory.…
Which is the correct way to get help in R? Getting Help in R Use the help available from the Help menu in R. There…
What is fragmentation in distributed database management system? Fragmentation is a process of dividing the whole or full database into various subtables or sub relations…
What is elastic stiffness matrix? The stiffness matrix is equal to the inverse of the compliance matrix, and is given by, Some literatures may have…
How do you show a chi-square? This is the basic format for reporting a chi-square test result (where the color red means you substitute in…
Can I use a 60 Hz device in a 50 Hz power frequency? For a generic answer: yes you can, IF: you reduce the voltage…