I have an array of objects in Ruby on Rails. I want to sort the array by an attribute of the object. Is it possible? 9 Answ...

Can someone give a simple example of updating a textfield every second or so? 21 Answers ...

I have an R data frame with 6 columns, and I want to create a new dataframe that only has three of the columns. 10 Answers ...

I am trying to optimize a function which does binary search of strings in JavaScript. 3 Answers ...

I want to design a program that can help me assess between 5 pre-defined colors which one is more similar to a variable color, and with what percentage. The thing is that I don't know how to do that manually step by step. So it is even more difficult to think of a program. ...

I'm checking out some PHP 5.3.0 features and ran across some code on the site that looks quite funny: 6 Answers ...

I'm working in the android environment and have tried the following code, but it doesn't seem to be working. 6 Answers ...

I have a pandas dataframe with mixed type columns, and I'd like to apply sklearn's min_max_scaler to some of the columns. Ideally, I'd like to do these transformations in place, but haven't figured out a way to do that yet. I've written the following code that works: ...

Can someone suggest a way to compare the values of two dates greater than, less than, and not in the past using JavaScript? The values will be coming from text boxes. ...

This may be a simple question, but I can not figure out how to do this. Lets say that I have two variables as follows. 17 A...