Kat Ph Proxy

In Perl, regular expressions (regex) are a powerful tool for parsing and manipulating text. Below is a basic example of using Perl regex to parse text. Please note that the regex patterns and the parsing logic depend on the specific structure of your text data.

Let's assume you have a simple text string with information about people, and you want to extract names and ages. Here's an example:

use strict;
use warnings;

my $text = "John Doe, age 30; Jane Smith, age 25; Bob Johnson, age 40";

# Define a regex pattern to match names and ages
my $pattern = qr/(\w+\s+\w+),\s+age\s+(\d+)/;

# Use the regex pattern to extract information
while ($text =~ /$pattern/g) {
    my $name = $1;
    my $age = $2;
    print "Name: $name, Age: $age\n";
}

In this example:

• The text contains information about people, where each entry is separated by a semicolon.

• The regex pattern (\w+\s+\w+),\s+age\s+(\d+) is used to match names and ages. Breaking down the pattern:

  • (\w+\s+\w+): Matches names consisting of one or more word characters (letters, digits, underscores) separated by whitespace.
  • ,: Matches the comma separating the name and age.
  • \s+age\s+: Matches the string "age" surrounded by whitespace.
  • (\d+): Matches one or more digits representing the age.

• The while ($text =~ /$pattern/g) loop iterates through matches found in the text.

• Inside the loop, $1 and $2 capture the matched name and age, respectively.

If you're facing issues where Selenium WebDriver (using JUnit) is not able to locate elements that were detectable by Selenium IDE, there could be a few reasons for this discrepancy. Here are some common troubleshooting steps:

1. Timing Issues

Selenium WebDriver might execute commands faster than Selenium IDE, leading to timing issues. Add explicit waits in your WebDriver script to ensure that the elements are present or visible before interacting with them.

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;

// ...

WebDriverWait wait = new WebDriverWait(driver, 10);

// Example: Wait for an element to be clickable
WebElement element = wait.until(ExpectedConditions.elementToBeClickable(By.id("yourElementId")));
element.click();

2. Different Browser Profiles

Selenium IDE may use a different browser profile or settings compared to your WebDriver script. Ensure that the browser profile and settings are consistent.

3. Synchronization Issues

Elements might not be fully loaded or rendered when WebDriver tries to locate them. Add proper synchronization mechanisms to wait for the page to be ready.

4. Browser Window Size

Ensure that the browser window size in Selenium WebDriver is suitable for the elements to be visible. Use the manage().window().maximize() method to maximize the browser window.

driver.manage().window().maximize();

5. JavaScript Execution

Selenium IDE may execute JavaScript differently than WebDriver. If your website relies heavily on JavaScript, ensure that WebDriver handles JavaScript appropriately.

6. Switching to Iframes

If the elements are inside iframes, make sure to switch to the correct iframe using driver.switchTo().frame() before interacting with the elements.

7. Browser Console Logs

Check the browser console logs for any error messages or warnings that might indicate issues with JavaScript or other resources.

System.out.println(driver.manage().logs().get("browser").getAll());

8. CSS Selectors and XPath

Selenium IDE may use different selectors than your WebDriver script. Double-check the selectors (CSS or XPath) used in your WebDriver script.

9. Browser Extensions

Selenium IDE may have browser extensions installed that affect the behavior of the web page. Ensure that WebDriver runs in an environment that mimics the configuration used by Selenium IDE.

10. Headless Mode

If Selenium IDE is running in headless mode, try running your WebDriver script in headless mode as well to replicate the environment.

If the issue persists after considering these points, you may want to inspect the HTML source of the page and compare it with the recorded script in Selenium IDE to identify any differences.

To close a Firefox pop-up window using Selenium Python, you can use the close() method. Here's an example:

from selenium import webdriver

# Open Firefox and navigate to a web page
driver = webdriver.Firefox()
driver.get('https://example.com')

# Click on a link or button that opens a pop-up window
driver.find_element_by_link_text('Open Popup').click()

# Switch to the pop-up window
driver.switch_to.window(driver.window_handles[-1])

# Close the pop-up window
driver.close()

# Switch back to the main window
driver.switch_to.window(driver.window_handles[0])

This code will open Firefox, navigate to a web page, click on a link or button that opens a pop-up window, switch to the pop-up window, and then close it. After closing the pop-up window, it switches back to the main window.

A proxy can be used for anonymous web surfing. After all, the connection is made through an intermediate server. And all the sites visited by the user will see the IP address of the proxy server, not the user himself. It can also be used to access resources that are only available to the citizens of a particular country.

In the "System Settings" section, open the "Network" tab, and then, when you highlight the active connection, click "Advanced". Here, in the "Proxies" tab, tick only the HTTP proxy if you do not intend to use other types of proxies temporarily. Enter the address of your proxy server and its port in the designated fields and click "OK".