Merge pull request #328 from biswajitdas-007/javascript

String methods added

languages/javascript.js

@@ -95,3 +95,9 @@ arr.reduce(callback[, initialValue])                 // Apply a function against
 arr.reduceRight(callback[, initialValue])            // Apply a function against an accumulator and each value of the array (from right-to-left) as to reduce it to a single value.
 arr.some(callback[, initialValue])                   // Returns true if at least one element in this array satisfies the provided testing function.
 arr.values()                                         // Returns a new Array Iterator object that contains the values for each index in the array.
+
+// String methods
+String.charAt(index)                                 // Returns the character at the specified index in a string.
+String.indexOf(character)                            // Returns the index of the first occurrence of a specified value in a string.
+String.substring(starting_index, ending_index)       // Returns a new string that is a subset of the original string.
+String.substring(starting_index)                     // Returns a substring from starting index to last index of string.

tools/git.sh

@@ -31,18 +31,14 @@ git branch                         # shows all the branches (current branch is s
 git branch -a                     # shows all the branches local and remote
 
 git branch my-branch               # creates my-branch
-git checkout -b my-branch          # create and switches to my-branch
-git switch -c my-branch            # create and switches to my-branch
 git branch -d my-branch            # deletes my-branch
 git checkout my-branch         	   # switches to my-branch
-git switch my-branch               # switches to my-branch
 git merge my-branch                # merges my-branch to current branch
 git push origin --delete my-branch # delete remote branch
 git branch -m <new-branch-name>    # rename the branch
 git checkout --orphan <branch_name> # checkout a branch with no commit history
 git branch -vv                     # list all branches and their upstreams, as well as last commit on branch
 git branch -a                      # List all local and remote branches
-git restore                        # Restore specified paths in the working tree
 
 git cherry-pick <commit_id>                     # merge the specified commit
 git cherry-pick <commit_id_A>^..<commit_id_B>   # pick the entire range of commits where A is older than B ( the ^ is for including A as well )

tools/ubuntu.sh

@@ -21,6 +21,7 @@ cat /proc/<process_id>/maps   # Show the current virtual memory usage of a Linux
 ip r # Display ip of the server
 
 lsof -i :9000 # List process running on port 9000
+kill -9 $(lsof -t -i:PORT) # Kill the process running on whichever port specified
 
 journalctl -u minio.service -n 100 --no-pager # List last 100 logs for specific service