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 …
github - How do I reverse a commit in git? - Stack Overflow
I think you need to push a revert commit. So pull from github again, including the commit you want to revert, then use git revert and push the result. If you don't care about other people's clones …
oracle database - PLSQL :NEW and :OLD - Stack Overflow
Oct 30, 2012 · Can anyone help me understand when to use :NEW and :OLD in PLSQL blocks, I'm finding it very difficult to understand their usage.
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 …
git - How do you stash an untracked file? - Stack Overflow
May 7, 2009 · The new file will remain untracked in your working directory. git stash --include-untracked or git stash -u will save both your modified tracked files and any untracked files in …
c# - Linq select to new object - Stack Overflow
May 25, 2012 · I have a linq query var x = (from t in types select t).GroupBy(g =>g.Type) which groups objects by their type, as a result I want to have single new object containing all of the …
How can I switch to another branch in Git? - Stack Overflow
Dec 4, 2017 · 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 …
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 …
.net - C# Create New T () - Stack Overflow
{ return new T(); } Any help would be greatly appreciated. EDIT: The context was as follows. I was playing around with a custom controller class for all controllers to derive from, with …
git - remote add origin vs remote set-url origin - Stack Overflow
To add a new remote, use the git remote add command on the terminal, in the directory your repository is stored at. The git remote set-url command changes an existing remote repository …