answer:Sure, I can provide a simple console application that sorts a list of integers using Bubble Sort algorithm in C#. ```csharpusing System;class Program{ static void Main(string[] args) { int[] arr = { 4, 2, 1, 3 }; int temp; for (int write = 0; write < arr.Length; write++) { for (int sort = 0; sort < arr.Length - 1; sort++) { if (arr[sort] > arr[sort + 1]) { temp = arr[sort + 1]; arr[sort + 1] = arr[sort]; arr[sort] = temp; } } } Console.Write("Sorted array: "); foreach (int num in arr) { Console.Write(num + " "); } Console.ReadKey(); }}```Just run this program and you will see the sorted array: 1 2 3 4 in the console.

answer:From your description, it seems like you want your MySQL query to return the product table's rows in increasing order of a specific column. However, you haven't mentioned what this column is. Here I am assuming that there's a column named "price". Modify the column name as per your table structure. Here is a modified version of your MySQL expression:```SELECT * FROM product ORDER BY price ASC;```The "ORDER BY" clause orders the rows in ascending order ("ASC") based on the values in the "price" column. If "price" increases from row to row, this will create a linear progression from the minimum to the maximum price.If you want to order by another column, for example "quantity", you can do so by replacing "price" with "quantity". If you want to order the table in descending order, replace "ASC" with "DESC". For example:```SELECT * FROM product ORDER BY price DESC;```

answer:As an AI language model, I don't have the ability to directly develop software or web applications. However, I can guide you on how to create a web application using Django to store customer data.Here is a simple example:1. First, you need to install Django. Use pip to install: ``` pip install django ```2. Create a new Django project: ``` django-admin startproject customer_project ``` Navigate into the project: ``` cd customer_project ```3. Create a new Django app within the project: ``` python manage.py startapp customer_app ```4. In your `customer_app` directory, you will find a file named `models.py`. This is where you define your database layout. Here's an example of a simple Customer model: ```python from django.db import models class Customer(models.Model): first_name = models.CharField(max_length=30) last_name = models.CharField(max_length=30) email = models.EmailField(max_length=254) phone_number = models.CharField(max_length=12) ```5. Once your models are defined, run the following command to create a migration file: ``` python manage.py makemigrations customer_app ``` Then, apply the migration to the database: ``` python manage.py migrate ```6. Now, you can start the server to see your results: ``` python manage.py runserver ```Please remember to replace `customer_project` and `customer_app` with your project and application name. This is a very basic example, and in a real application, there can be many more aspects to consider, such as defining views, setting up urls, templates, forms, user permissions, and much more.

answer:Here is the updated and error-handled function:```pythondef print_items(array): # Check for null array if array is None: print("The array is null.") return # Check for empty array if len(array) == 0: print("The array is empty.") return # Print items in the array for i in array: # Check for non-integer values if not isinstance(i, int): print("The array contains non-integer values.") return print(i)```This above function first checks if the array is null or empty, and if so, returns corresponding prompts and ends the function. If the array is valid, it will iterate through the array. If it encounters a non-integer value, it will print a prompt and end the function. If the value is an integer, it will print the value and continue to the next item.Test with this array [1, 10, 100, 1000], it will print out:```1101001000```

answer:We'll use Python and its `json` library to solve this task. The `json` library allows us to load JSON data into a Python list of dictionaries. From there, we'll sort by gender and calculate the average age, keep track of maximum age and corresponding name per gender.```pythonimport json# Your JSON data as stringjson_data = """[ { "name": "Linda", "age": 30, "gender": "female" }, { "name": "Tom", "age": 26, "gender": "male" }, { "name": "Alice", "age": 32, "gender": "female" }, { "name": "Jerry", "age": 27, "gender": "male" }]"""# Load data to Python listdata = json.loads(json_data)# Initialize variablesfemale_age_sum = male_age_sum = female_count = male_count = male_max_age = female_max_age = 0male_oldest = female_oldest = ''# Calculate averages and find oldest individualsfor person in data: if person['gender'] == 'female': female_age_sum += person['age'] female_count += 1 if person['age'] > female_max_age: female_max_age = person['age'] female_oldest = person['name'] else: male_age_sum += person['age'] male_count += 1 if person['age'] > male_max_age: male_max_age = person['age'] male_oldest = person['name']# Average agesaverage_female_age = female_age_sum / female_countaverage_male_age = male_age_sum / male_countprint('Average female age: ', average_female_age)print('Average male age: ', average_male_age)print('Oldest female: ', female_oldest)print('Oldest male: ', male_oldest)```Please ensure that the provided JSON data string is valid. Otherwise, `json.loads` will throw a `json.JSONDecodeError`.

answer:This is a common issue when designing a webpage layout. You have to design your CSS in such a way that the footer is sticky, meaning it will stay at the bottom of the page regardless of the content's length. Here's a simple example of how this can be done:```html<!DOCTYPE html><html><head><style>* { margin: 0;}html, body { height: 100%;}.main-wrap { min-height: 100%; /* equal to footer height */ margin-bottom: -50px; }.main-wrap:after { content: ""; display: block;}.footer, .main-wrap:after { height: 50px; }.footer { background: orange;}</style></head><body><div class="main-wrap"> <div style="height:500px;background:#DDDDDD;">Content goes here</div></div><footer class="footer">This is a sticky footer</footer></body></html>```This script uses `min-height` instead of `height` to ensure that the div stretches past the viewport if need be. This keeps our footer positioned at the bottom of the page correctly. The `margin-bottom` is made equal to the height of the footer to make space for it and prevent it from overlapping actual content.This code will not interfere with older browsers. It’s only job is to bring up the footer if necessary.I hope this helps! Be sure to change the height values depending on your own footer's size.