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Trying To Use Network Xhr To Grab Json String From Url — Getting Error ‘Too Many Values To Unpack (Expected 2)’ Update Mới

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  • Câu hỏi: Trying to use Network XHR to grab JSON String from URL — Getting error ‘too many values to unpack (expected 2)’
  • Thời gian hỏi: Hỏi lúc 153 Giờ Trước
  • Thời gian trả lời: Cập Nhập 18 Ngày Trước
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Trying to use Network XHR to grab JSON String from URL — Getting error ‘too many values to unpack (expected 2)’

The error “too many values to unpack (expected 2)” typically means that you are trying to unpack more values than there are available in a sequence. In the context of using Network XHR to grab a JSON string from a URL, this error may indicate that there is a problem with the format of the response that you are trying to parse.

To troubleshoot this error, you can start by checking the format of the response that you are receiving from the URL. Here’s an example of how you might use Network XHR to grab a JSON string from a URL and parse it:

javascript
var xhr = new XMLHttpRequest(); xhr.open("GET", "https://example.com/data.json", true); xhr.onreadystatechange = function() { if (xhr.readyState === 4 && xhr.status === 200) { var data = JSON.parse(xhr.responseText); console.log(data); } }; xhr.send();

In this example, we send a GET request to the URL “https://example.com/data.json“, and when the request completes successfully (i.e., readyState is 4 and status is 200), we parse the JSON response using JSON.parse() and log the resulting data to the console.

If you’re still encountering the “too many values to unpack” error after verifying the format of the response, try logging the response text to the console to see if it matches your expectations. You may also want to check if the JSON object you are trying to parse has more than two levels of nesting, which could cause the issue. If you’re still having trouble, please provide more details about your code and the JSON response you’re trying to parse, and I can help you troubleshoot further.

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What does ValueError need more than 2 values to unpack?

A ValueError with the message “need more than 2 values to unpack” typically occurs when you are trying to unpack more values than are available from an iterable, such as a tuple, list, or other sequence type.

For example, consider the following code:

css
a, b, c = (1, 2)

In this case, we are trying to unpack three values from a tuple containing only two values. This will result in a ValueError with the message “need more than 2 values to unpack”.

To fix this error, you can make sure that you are unpacking the correct number of values from the iterable. In the above example, you could either add a third value to the tuple, or change the number of variables used for the unpacking. For instance:

css
a, b = (1, 2)

or

css
a, b, c = (1, 2, 3)

Both of these examples will correctly unpack the values from the iterable without raising a ValueError.

What is for ValueError too many values to unpack in Python?

In Python, the “ValueError: too many values to unpack” error occurs when you try to assign more values to variables than there are available values in the object being unpacked.

This error can occur in several situations, but one common example is when you are attempting to unpack a tuple or a list and the number of variables you are using to assign the values is greater than the number of values in the tuple or list.

Here’s an example:

scss
x, y, z = (1, 2)

In this example, we are trying to unpack a tuple with two values (1, 2) into three variables x, y, and z. Since there are only two values in the tuple and we are trying to unpack them into three variables, we get the “ValueError: too many values to unpack” error.

To fix this error, you need to ensure that the number of variables you are using to assign values matches the number of values in the object being unpacked. In the example above, you could fix the error by adding another value to the tuple like this:

scss
x, y, z = (1, 2, 3)

Now there are three values in the tuple, and we can unpack them into three variables without getting the “ValueError: too many values to unpack” error.

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Requests Throws
Requests Throws “Value Error: Too Many Values To Unpack (Expected 2)” · Issue #6000 · Psf/Requests · Github
Valueerror: Too Many Values To Unpack
Valueerror: Too Many Values To Unpack” In Learn Python The Hard Way, Ex 13 – Stack Overflow
Valueerror: Too Many Values To Unpack (Expected 2) · Issue #1041 ·  Sanic-Org/Sanic · Github
Valueerror: Too Many Values To Unpack (Expected 2) · Issue #1041 · Sanic-Org/Sanic · Github

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