IP | Country | PORT | ADDED |
---|---|---|---|
50.174.7.159 | us | 80 | 9 minutes ago |
50.171.187.51 | us | 80 | 9 minutes ago |
50.172.150.134 | us | 80 | 9 minutes ago |
50.223.246.238 | us | 80 | 9 minutes ago |
67.43.228.250 | ca | 16555 | 9 minutes ago |
203.99.240.179 | jp | 80 | 9 minutes ago |
50.219.249.61 | us | 80 | 9 minutes ago |
203.99.240.182 | jp | 80 | 9 minutes ago |
50.171.187.50 | us | 80 | 9 minutes ago |
62.99.138.162 | at | 80 | 9 minutes ago |
50.217.226.47 | us | 80 | 9 minutes ago |
50.174.7.158 | us | 80 | 9 minutes ago |
50.221.74.130 | us | 80 | 9 minutes ago |
50.232.104.86 | us | 80 | 9 minutes ago |
212.69.125.33 | ru | 80 | 9 minutes ago |
50.223.246.237 | us | 80 | 9 minutes ago |
188.40.59.208 | de | 3128 | 9 minutes ago |
50.169.37.50 | us | 80 | 9 minutes ago |
50.114.33.143 | kh | 8080 | 9 minutes ago |
50.174.7.155 | us | 80 | 9 minutes ago |
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The easiest option is to use ready-made online proxy checkers. For example, Hidemy.name, which shows the type of protocol used. Or you can simply run Speedtest - this will show you the bandwidth and response speed (ping).
Parsing math expressions correctly involves converting mathematical expressions from their human-readable form into a format that a computer can understand and evaluate. A common approach is to use a parser or library designed for mathematical expressions.
In Python, you can use the sympy library, which provides powerful symbolic mathematics capabilities, including expression parsing and evaluation. Here's an example:
from sympy import sympify, symbols
# Define symbols
x, y = symbols('x y')
# Parse math expressions
expression1 = sympify("2*x + 3*y")
expression2 = sympify("sin(x) + cos(x)")
# Evaluate expressions
result1 = expression1.subs({x: 1, y: 2})
result2 = expression2.subs(x, 0)
print("Result 1:", result1)
print("Result 2:", result2)
In this example, sympify is used to parse the mathematical expressions. You can then substitute values for variables using the subs method.
If you need a more general-purpose parser, you can use the pyparsing library. Here's a basic example:
from pyparsing import Word, nums, operatorPrecedence, opAssoc
# Define grammar for basic math expressions
integer = Word(nums).setParseAction(lambda t: int(t[0]))
variable = Word("xy")
operand = integer | variable
expr = operatorPrecedence(
operand,
[
("+", 2, opAssoc.LEFT),
("-", 2, opAssoc.LEFT),
("*", 3, opAssoc.LEFT),
("/", 3, opAssoc.LEFT),
],
)
# Parse math expressions
expression1 = expr.parseString("2*x + 3*y")
expression2 = expr.parseString("sin(x) + cos(x)")
print("Parsed Expression 1:", expression1)
print("Parsed Expression 2:", expression2)
This example uses pyparsing to define a grammar for basic math expressions with addition, subtraction, multiplication, and division. You can customize the grammar based on your specific needs.
Choose the library that best fits your requirements, whether it's for symbolic mathematics (like sympy) or general-purpose expression parsing (like pyparsing). Always consider error handling and validation when working with user-inputted expressions.
To find the address of a proxy, you can follow these steps:
1. Use a proxy list: There are several websites that maintain lists of public proxies with their addresses and other details. Some popular proxy lists include proxy-list.org, proxy-list.net, and freeproxylist.ru. Keep in mind that using free proxies can be risky, as they might be slow, unreliable, or insecure.
2. Browser extensions or plugins: Some browser extensions or plugins can help you find and test proxies. For example, the "Proxy SwitchyOmega" extension for Google Chrome or Mozilla Firefox can automatically detect and test proxies from a list. You can find and install the extension from the Chrome Web Store or Firefox Add-ons website.
3. Proxy scanner tools: There are various online proxy scanner tools that can help you find and test proxies. Some popular proxy scanner tools include "Proxy-Check.com," "Proxy-Checker.org," and "ProxyScanner.io." These tools can provide you with a list of working proxies that you can use for your purposes.
4. Use a VPN service: If you need a reliable and secure proxy, consider using a VPN service. VPNs provide encrypted connections and can help you bypass geographical restrictions, access blocked content, and protect your privacy. Some popular VPN services include ExpressVPN, NordVPN, and FineVPN. Keep in mind that using a VPN may come with additional costs, but it can be a more secure and reliable option compared to free proxies.
And it depends on what purpose the proxy is used for. But you should definitely give preference to paid proxies. They are more reliable, always available, and with that comes a guarantee of privacy. Unfortunately, personal data is often stolen from free proxies.
Download MarketApp, log in to your account and download the extension. Then go to the settings, find the item "Basic" and click on "Get your key". In the box provided to get your key, type Localhost, and then an IP key will appear, allowing you to trade freely on the marketplace.
What else…