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.

languages/python.md

@@ -380,25 +380,3 @@ function_name()
 * We need not to specify the return type of the function.
 * Functions by default return `None`
 * We can return any datatype.
-
-
-## Some Important 3rd Party Modules
-
-### 1. numpy 
-For manipulating numerical data and effectively deals with arrays and matrices.
-### 2. requests
-Deals with HTTP response and requests.
-### 3. lxml
-Used to parse web page in a better way.
-### 4. beautifulsoup
-Web-scraping module only for static pages and user-friendly
-### 5. selenium
-Web-scraping module also helps to automate web application and works in dynamic pages too. 
-### 6. scrapy
-Boss of web-scraping modules, full fledged and can do all the heavy lifting for you.
-### 7. pipreqs
-To create requirements.txt file for the current project
-### 8. colorama
-To change the colors in the terminal
-### 9. figlet
-To create a ASCII art text

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