The new keyword changes the context under which the function is being run and returns a pointer to that context. When you don't use the new keyword, the context under which function Vehicle() runs is the same context from which you are calling the Vehicle function. The this keyword will refer to the same context. @Andrew Grant If you must use new use shared_ptr or unique_prt. that were introduced in c++11 STL shared pointers will do book keeping of delete automatically. note for arrays default deleter provided by shared_ptr calls delete, not delete[] therefore use lambda functions std::shared_ptr p(new int[10], [](int* p) { delete[] p; }); or std::shared_ptr p(new int[10], std Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising Reach devs & technologists worldwide about your product, service or employer brand Apr 9, 2019 · For all new file and folder (git add file_names.exten it is for single file) git status // to check the status of git files [optional] git commit -m "committed message" For asingle file(git commit -m "committed message" file_names.exten) git push -u origin master git pull origin master // Change in github, it take effect in local reprository. Here are the commands you can use to add a new project to GitHub using VS Code: git init git add . git commit -m "Initial commit" git remote add origin git push -u origin master If you face any issue like fatal: repository not found, check your repository url and check whether you are authenticated. Dec 4, 2017 · Check branch again using "git branch" It should now show that you are in the new branch. Now add, commit and push: git add . git commit -m "added new branch" git push origin {branch name} The above steps work for me in both the situation when I have made changes before moving to the new local branch or making changes after moving to the new branch. May 7, 2009 · New in version 2.35. git stash‘s new --staged mode makes it easy to stash

away what you already have in the staging area, and nothing else. You can think of it like git commit (which only writes staged changes), but instead of creating a new commit, it writes a new entry to the stash. In your case, since you want the new row to be "on top" (with starting id), and there is no function pd.prepend(), I first create the new dataframe and then append your old one. ignore_index will ignore the old ongoing index in your dataframe and ensure that the first row actually starts with index 1 instead of restarting with index 0 . May 5, 2011 · I would like to get a random value between 1 to 50 in Java. How may I do that with the help of Math.random();? How do I bound the values that Math.random() returns? May 7, 2019 · How do I create GUIDs (globally-unique identifiers) in JavaScript? The GUID / UUID should be at least 32 characters and should stay in the ASCII range to avoid trouble when passing them around.