The top line in all of my aspx pages in my /portal/ directory has this error message, and I know it's a common one. I have googled this error message to no end, and I see a lot of posts telling me to configure the /portal/ folder as an application in IIS (which I have), and more posts telling me I ...

So in high school math, and probably college, we are taught how to use trig functions, what they do, and what kinds of problems they solve. But they have always been presented to me as a black box. If you need the Sine or Cosine of something, you hit the sin or cos button on your calculator and you'...

Often while editing config files, I'll open one with vi and then when I go to save it realize that I didn't type 10 Answers...

This question arose from comments about different kinds of progress in computing over the last 50 years or so. 129 Answer...

I have a number of columns that I would like to remove from a data frame. I know that we can delete them individually using something like: ...

Suppose I have a response variable and a data containing three covariates (as a toy example): 6 Answers ...

I'm trying to check if a given key is in a map and somewhat can't do it: 14 Answers 14...

grep is used to search within a file to see if any line matches a given regular expression. However, I have this situation - I want to write a regular expression that will match the filename itself (and not the contents of the file). I will run this from the system's root directory, to find all thos...

After running the bundle install command, 'Gemfile.lock ' is created in the working directory. What do the directives inside that file mean? ...

I was looking to be able to turn any UIColor into a gradient. The way I am intending to do this is by using Core Graphics to draw a gradient. What I am trying to do is to get a color, lets say: ...