Merge 29a6e053a6 into 10872e02d1

add docker init command to docker cheatsheet

languages/C.txt

@@ -149,6 +149,7 @@ Operators
   ^=   	bitwise exclusive or and store
   |=   	bitwise or and store
   ,    	separator as in   ( y=x,z=++x )
+  ;     statement terminator.
 
 
 Operator precedence

languages/python.md

@@ -380,3 +380,25 @@ 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/docker.sh

@@ -2,7 +2,7 @@
 # DOCKER
 ##############################################################################
 
-
+docker init                                 # Creates Docker-related starter files 
 docker build -t friendlyname .              # Create image using this directory's Dockerfile
 docker run -p 4000:80 friendlyname          # Run "friendlyname" mapping port 4000 to 80
 docker run -d -p 4000:80 friendlyname       # Same thing, but in detached mode