Merge pull request #328 from biswajitdas-007/javascript

String methods added

backend/express.js

@@ -134,7 +134,7 @@ app.use('<admin dir>', admin)`;                    `// Mounting a sub - app`
 
 `app.put('/', function(req,res){
     res.send('PUT request to a webpage')
-})`                                               `// put request to the specified path`
+})`                                               `// post request to the specified path`
 
 `app.delete('/', function(req,res){
     res.send('DELETE request to a webpage')
@@ -223,4 +223,4 @@ res.sendFile(file, options, function(err){
 app.use(BodyParser.json())
 app.use(BodyParser.urlencoded({
     extended: true
-}))`                                               `// Parses incoming request bodies`
+}))`                                               `// Parses incoming request bodies`

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/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