Useful tips for everyday
What is the main difference between metal semiconductor and insulator? Metals are good conductors of electricity. Insulators are bad conductors of electricity. Similarly,semiconductor devices are…
Is the GUI installed in CentOS 7 by default? By default a full installation of CentOS 7 will have the graphical user interface (GUI) installed…
How do you write a wrapper in JavaScript? wrap method: Object. extend(Function. prototype, { TryCatchWrap: function() { var __method = this; return function() { try…
What does the apply operator do? The APPLY operator allows you to join two table expressions; the right table expression is processed every time for…
Should I use different ssh keys for different servers? It’s good practice not to use the same key for different services. Keys are useful so…
Why is cron not working? Root Cause One of the most frequent causes for the crontab job not being correctly executed is that a cronjob…
How do you know if its causation or correlation? A correlation between variables, however, does not automatically mean that the change in one variable is…
Is recursion an imperative? Recursive or Iterative A purely functional program cannot be iterative because the value of the condition of a loop never varies.…
How do I grant permission to remote user in MySQL? Grant access Log in to your MySQL server locally as the root user by using…
How is linkage disequilibrium related to SNP? Linkage disequilibrium (LD) is the correlation between nearby variants such that the alleles at neighboring polymorphisms (observed on…