Merge pull request #328 from biswajitdas-007/javascript

String methods added

backend/django.py

@@ -118,77 +118,3 @@ django-admin version                     # display the current django version
 # 8. $ django-admin startproject myproject
 # 9. $ django-admin startapp myapp
 # 10. $ python manage.py runserver
-
-# *****************************************************************************
-# Writing unit tests in django projects
-# *****************************************************************************
-
-# 1. Set Up Your Test Environment:
-#    Before writing tests, ensure that you have your Django project set up. Typically, you'll have a structure similar to this:
-myproject/
-├── myproject/
-│   ├── __init__.py
-│   ├── settings.py
-│   ├── urls.py
-│   └── wsgi.py
-├── myapp/
-│   ├── __init__.py
-│   ├── models.py
-│   ├── views.py
-│   └── tests.py          # This is where your tests will go
-├── manage.py
-└── venv/
-# 2. Create test cases by subclassing django.test.TestCase or django.test.TransactionTestCase
-# myapp/tests.py
-```
-from django.test import TestCase
-from .models import YourModel
-
-class YourModelTestCase(TestCase):
-    @classmethod
-    def setUpClass(cls):
-        # Set up resources for the entire test case class
-        pass
-
-    @classmethod
-    def tearDownClass(cls):
-        # Clean up resources for the entire test case class
-        pass
-
-    def setUp(self):
-        # Set up resources before each test method
-        pass
-
-    def tearDown(self):
-        # Clean up resources after each test method
-        pass
-```
-# --> setUp(): This method is called before each test method is executed. You can use it to set up any necessary state or resources needed for the test.
-# --> tearDown(): This method is called after each test method is executed. It's used to clean up any resources or state that was set up in setUp().
-# 3. Configure your test database: Django creates a separate database for running tests, ensuring that your production data is not affected. This is specified in your settings.py file.
-# settings.py
-```
-DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': BASE_DIR / 'db.sqlite3',
-    },
-    'test': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': BASE_DIR / 'test_db.sqlite3',
-    }
-}
-```
-# 4. Run your tests: Django provides a management command, manage.py test, to run your tests. Navigate to your project directory in the terminal and run:
-$ python manage.py test
-$ python manage.py test your_app_name
-$ python manage.py test your_app_name.YourModelTestCase
-$ python manage.py test your_app_name.YourModelTestCase.test_something
-# Django will discover your tests and run them. It will output the results to the terminal.
-# 5. View test coverage: You may also want to measure the coverage of your tests. To do this, you can use third-party packages like coverage. First, install it:
-$ pip install coverage
-$ coverage run manage.py test
-# 6. After running tests, you can generate a report:
-$ coverage report
-# This will show you which parts of your code are covered by tests and which are not.
-

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