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What is the new keyword in JavaScript? - Stack Overflow The new keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language What is it? What problems
How can I switch to another branch in Git? - Stack Overflow Switching to another branch in Git Straightforward answer, git-checkout - Switch branches or restore working tree files git fetch origin # <---- This will fetch the branch git checkout branch_name # <--- Switching the branch Before switching the branch, make sure you don't have any modified files In that case, you can commit the changes or you can stash it
Extracting specific columns from a data frame - Stack Overflow I have an R data frame with 6 columns, and I want to create a new data frame that only has three of the columns Assuming my data frame is df, and I want to extract columns A, B, and E, this is the
Difference between throw and throw new Exception () To do this, define a new class that inherits Exception, add all four exception constructors, and optionally an additional constructor that takes an InnerException as well as additional information, and throw your new exception class, passing ex as the InnerException parameter
How to add a new project to Github using VS Code Create a new Repo in GitHub then copy the repo URL Open the terminal in VS or Gitbash You should be in the project path working directory git init to initialize git on local directory git add add your project git commit -m "YOUR MESSAGE" git remote add origin git remote -v git push -f origin master to push your changes to Git repo
python - How to create new folder? - Stack Overflow I want to put output information of my program to a folder if given folder does not exist, then the program should create a new folder with folder name as given in the program Is this possible? I