Useful tips for everyday
How to get URL parameters from Visualforce page? Get a URL parameter from a Visualforce page String MyParameter = ApexPages.currentPage ().getParameters ().get (‘urlparm’); Get a…
What should the sample size be for a prediction model? The sample size of the development dataset must be large enough to develop a prediction…
What is difference between join and merge in R? We can use join and merge to combine 2 dataframes. The join method works best when…
Is Option A monad? Options are monads, so we can use flatMap (and therefore map) with them: However, if we try to map on a…
Which is the server configuration file for OpenVPN? The sample server configuration file is an ideal starting point for an OpenVPN server configuration. It will…
How do you mention an attachment in a report? If you cite an attachment in the body, provide a brief notation at the bottom of…
How do you find the value of k in Knn? The optimal K value usually found is the square root of N, where N is…
How do you run a curl command in a loop? How To: Use Curl to submit POST request with Loop – Curl POST request repetitively…
How do I copy and paste from InDesign to Photoshop? In InDesign, be sure that in Preferences > Clipboard Handling, Copy PDF to Clipboard is…
What are the stages of an amplifier? Power amplifier stages. Voltage amplification Stage. The input signal to the amplifier from the source will be generally…