The title is not so clear, because I cannot put my problem in a sentence (If you have a better title for this question, please suggest). I'll try to clarify my requirement with an example: Suppose I h...

I am learning templates in C++. So reading examples from different sources(including SO). One such example whose statement i am unable to understand(or rather i think is incorrect) is given below: cla...

I have two jsons as follows: json1:This is the payload I am submitting to an API { "id": 0, "object_type": "SCHEMA", "object_meta":...

I have the data below: data_1 = data.frame(var1 = c("A", "B", "C"), var2 = c("A1", "A2", "A3")) data_1$var1 = as.factor(data_1$var1) data_1$...