Useful tips for everyday
Can I have multiple DNS A records? You can do a lot with A records, including using multiple A records for the same domain in…
How do you return nothing from a GraphQL mutation? Null is not a GraphQL type so to return null from a GraphQL mutation you have…
Why is lightning component not showing in Salesforce App Builder? It gets confusing because “Lightning Web Component” has “Lightning Component” in the name, so you…
Is Mysqldump a hot backup? mysqldump is also an option – note that mysqldump is not a hot backup tool by default (especially if your…
What is router and its features in detail? A router is a switching device for networks, which is able to route network packets, based on…
How do I automatically delete files older than x days? How to Auto Delete Files Older than N Days in Windows Open the folder in…
How to check if an array has consecutive numbers? Given an unsorted array of numbers, write a function that returns true if the array consists…
How do I change shell from Bash to Ksh? Examples To change the shell that runs after you log in to the system, type: chsh.…
Which is better Kenward Roger or Satterthwaite approximation? SAS PROC MIXED uses the Satterthwaite approximation (SAS Institute, 2008). While the Satterthwaite approximation can be applied…
Why i ++ is used in C? They are unary operators needing only one operand. Hence ++ as well as — operator can appear before…