IP | Country | PORT | ADDED |
---|---|---|---|
50.217.226.41 | us | 80 | 18 minutes ago |
91.239.23.189 | lv | 1080 | 18 minutes ago |
212.33.242.249 | ru | 1080 | 18 minutes ago |
1.94.31.35 | cn | 8888 | 18 minutes ago |
171.234.224.127 | vn | 20014 | 18 minutes ago |
186.203.163.53 | br | 5678 | 18 minutes ago |
50.231.110.26 | us | 80 | 18 minutes ago |
72.10.164.178 | ca | 32309 | 18 minutes ago |
213.143.113.82 | at | 80 | 18 minutes ago |
194.158.203.14 | by | 80 | 18 minutes ago |
62.99.138.162 | at | 80 | 18 minutes ago |
46.105.105.223 | gb | 25482 | 18 minutes ago |
50.207.199.83 | us | 80 | 18 minutes ago |
212.69.125.33 | ru | 80 | 18 minutes ago |
91.122.176.71 | ru | 1080 | 18 minutes ago |
176.117.237.132 | ru | 1080 | 18 minutes ago |
50.169.222.243 | us | 80 | 18 minutes ago |
178.178.2.177 | ru | 1080 | 18 minutes ago |
139.162.78.109 | jp | 3128 | 18 minutes ago |
122.116.29.68 | tw | 4145 | 18 minutes ago |
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In web development, the style.left property refers to the left offset position of an element within its containing element. The value of style.left is a string that represents the distance from the element's left edge to the left edge of its containing element. This distance can be specified using various units, such as pixels, percentages, or other length units.
When you retrieve style.left in JavaScript, you get a string representation of this distance. For example:
var element = document.getElementById('exampleElement');
var leftValue = element.style.left; // Returns a string like "10px" or "50%"
To perform numerical calculations or comparisons with the left offset, you might want to parse this string and extract the numeric value. Parsing involves removing the unit (e.g., "px" or "%") and converting the remaining part to a numeric value.
Here's an example of how you can parse the style.left value in JavaScript:
var element = document.getElementById('exampleElement');
var leftValue = element.style.left;
// Parse the numeric value
var parsedLeft = parseFloat(leftValue);
// Now parsedLeft is a numeric value representing the left offset
console.log(parsedLeft);
By parsing the value, you can use it in mathematical operations or make comparisons. Keep in mind that parsing might return NaN (Not a Number) if the value is not a valid number, so it's important to handle such cases appropriately.
In the User Datagram Protocol (UDP), dynamic ports are assigned using a process called ephemeral port allocation. UDP is a connectionless protocol, which means that it does not establish a dedicated connection between the sender and receiver, as the Transmission Control Protocol (TCP) does. Instead, UDP sends data packets directly to the destination, and the receiver is responsible for acknowledging receipt or requesting retransmission if needed.
In UDP, both the sender and receiver have a pair of ports: one for the source and one for the destination. The source port is assigned by the sender, while the destination port is assigned by the receiver. When a connection is established, the sender assigns an ephemeral port to itself and sends the data to the destination port specified by the receiver.
The assignment of dynamic ports in UDP is typically managed by the operating system. The process generally follows these steps:
1. Ephemeral port allocation: The operating system maintains a pool of available ephemeral ports, which are typically in the range of 49152 to 65535. When a UDP connection is initiated, the operating system assigns an available ephemeral port from this range to the sender.
2. Port reuse: Once a UDP connection is closed, the ephemeral port is returned to the pool of available ports. This allows the port to be reused for subsequent connections, ensuring efficient use of the limited range of high-numbered ports.
3. Port randomization: Some operating systems implement port randomization to prevent certain types of denial-of-service (DoS) attacks. In this case, the operating system may assign an ephemeral port that is slightly higher than the requested port, adding a small random offset to the port number.
4. Destination port assignment: The destination port is assigned by the receiver and is typically determined by the application or service that the receiver is running. The destination port can be a well-known port (below 1024) or a registered port (1024-49151), or it can be a dynamic or private port (49152-65535).
In summary, dynamic ports in UDP are assigned using a combination of ephemeral port allocation and destination port assignment. The process is managed by the operating system and is designed to ensure efficient and secure communication between devices.
Open the Telegram app, and then go to "Settings. Find "Data and Drive", then tap "Proxy". Activate the "Use proxy" toggle switch, then select the desired option from the suggested list. The setting is successfully completed.
Open the control panel of your computer, find and select the item "Network connection", and then click "Show network connections", "Local network connections" and "Properties". If there is a tick next to "Obtain an IP address automatically", then no dedicated proxy has been used. If you see numbers there, it will be your address.
An "open" proxy means one that is publicly available. It can be used by many network users at the same time. But because of this its bandwidth is also quite low, because the server simultaneously handles all requests through a single port.
What else…