Urban Proxy

In Node.js, you can parse JSON using the built-in JSON object or the JSON.parse() method. Here's a simple example:

// JSON string
const jsonString = '{"name": "John", "age": 30, "city": "New York"}';

// Parse JSON using JSON.parse()
try {
  const jsonData = JSON.parse(jsonString);
  console.log('Parsed JSON:', jsonData);

  // Access individual properties
  console.log('Name:', jsonData.name);
  console.log('Age:', jsonData.age);
  console.log('City:', jsonData.city);
} catch (error) {
  console.error('Error parsing JSON:', error.message);
}

In this example:

• The jsonString contains a JSON-formatted string.
• JSON.parse() is used to parse the JSON string into a JavaScript object.
• The properties of the resulting object can be accessed just like any other JavaScript object.

If the JSON string is not valid, JSON.parse() will throw an error. To handle potential errors, it's a good practice to use a try...catch block.

If you have a JSON file and want to read and parse it in Node.js, you can use the fs (file system) module along with JSON.parse(). Here's an example:

const fs = require('fs');

// Read JSON file
fs.readFile('path/to/your/file.json', 'utf8', (err, data) => {
  if (err) {
    console.error('Error reading file:', err.message);
    return;
  }

  // Parse JSON data
  try {
    const jsonData = JSON.parse(data);
    console.log('Parsed JSON from file:', jsonData);
  } catch (error) {
    console.error('Error parsing JSON:', error.message);
  }
});

Replace 'path/to/your/file.json' with the actual path to your JSON file.

Remember to handle errors appropriately, especially when dealing with file I/O operations or parsing potentially malformed JSON data.

To save the results of two Scrapy spiders into one JSON file, you can follow these general steps:

Run Both Spiders:
Run both Scrapy spiders separately to generate their respective output files. Let's assume you have two spiders named spider1 and spider2.

scrapy crawl spider1 -o output1.json
scrapy crawl spider2 -o output2.json

Merge JSON Files:
After running both spiders, you can merge the contents of the two JSON files into a single file using various methods. One way is to use a scripting language like Python.

import json

# Read the contents of both JSON files
with open('output1.json') as f1, open('output2.json') as f2:
    data1 = json.load(f1)
    data2 = json.load(f2)

# Combine the data from both spiders
combined_data = data1 + data2

# Write the combined data to a new JSON file
with open('combined_output.json', 'w') as combined_file:
    json.dump(combined_data, combined_file, indent=2)

Save this Python script (e.g., merge_json.py) in the same directory as the JSON files, and then run it:

python merge_json.py

This script reads the contents of both JSON files, combines the data, and writes the result into a new file (combined_output.json).

Verify the Result:
Check the combined_output.json file to ensure that it contains the merged data from both spiders.

You can bypass the blocking of the messenger by using the built-in proxy server in the application. To do this, go to "Settings" and then to the section "Data and storage". Here, in the "Proxy settings" tab, you will find the "Add proxy" item. A shield icon on the top line of the menu will indicate that the proxy is enabled.

There are special tools developed to check if a proxy is working. There are a large number of appropriate services and programs on the Internet. Any software that works in a general way should be excluded from their number. To use online checkers to check the quality and validity of a proxy, just specify your IP address and port number in the fields provided.

You need to open the settings menu, go to "Data and disk", and then - "Proxy settings". There you can enter the address, port number of the intermediate server, as well as username and password for authorization (if necessary).