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Questions tagged [content-length]

Entity-header field indicates the size of the entity-body.

The Content-Length entity-header field indicates the size of the entity-body, in decimal number of OCTETs, sent to the recipient or, in the case of the HEAD method, the size of the entity-body that would have been sent had the request been a GET.

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Count, size, length...too many choices in Ruby?

I can't seem to find a definitive answer on this and I want to make sure I understand this to the "n'th level" :-) a = { "a" => "Hello", "b" => "World" } a.count # 2 a.size # 2 a.length # 2 a = [ 10, 20 ] a.count # 2 …
cbmeeks
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Content-Length header versus chunked encoding

I'm trying to weigh the pros and cons of setting the Content-Length HTTP header versus using chunked encoding to return [possibly] large files from my server. One or the other is needed to be compliant with HTTP 1.1 specs using persistent…
Gandalf
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HTTP POST: content-length header required?

I'm currently trying to optimize http-based data transfer between several applications. Our current approach, downloading first and then creating the post-request, obviously add extra IO/memory load and latencies, which I'd like to circumvent. The…
Enrico 'nekrad' Weigelt
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How to expand 'select' option width after the user wants to select an option

Maybe this is an easy question, maybe not. I have a select box where I hardcode with width. Say 120px. I…
Berlin Brown
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Node Express Content-Length

I use node.js and express at a small project. I set response header like blow: res.set({'Content-Type':'text/plain;charset=utf-8', 'Content-Length': Buffer.byteLength(data, 'utf-8')}); I can use console.log print data's length is 317.…
Allen Heavey
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How is an HTTP multipart "Content-length" header value calculated?

I've read conflicting and somewhat ambiguous replies to the question "How is a multipart HTTP request content length calculated?". Specifically I wonder: What is the precise content range for which the "Content-length" header is calculated? Are…
Moshe Rubin
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What is the correct Content-Length to set for a GET request?

When I make a POST request using the following code: string body = "Hello World"; byte[] bytes = Encoding.ASCII.GetBytes(body); WebRequest request = WebRequest.Create("http://internalurl"); request.Method = "POST"; request.ContentLength =…
merlin2011
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what is relation between content-length and byte ranges in HTTP/1.1?

I am not grasping the idea behind content-length and byte ranges as specified by HTTP 1.1 Is there are connection between the two of some sort? If a client requests in terms of byte ranges, say 0-100 out of 200, will the first response contain the…
user349026
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System.Net.ProtocolViolationException: You must write ContentLength bytes to the request stream before calling [Begin]GetResponse

I am getting the "System.Net.ProtocolViolationException: You must write ContentLength bytes to the request stream before calling [Begin]GetResponse" error when calling to the "BeginGetResponse" method of the web request. This is my code: try { …
user3815821
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How to set content-length in Spring MVC REST for JSON?

I have some code: @RequestMapping(value = "/products/get", method = RequestMethod.GET) public @ResponseBody List getProducts(@RequestParam(required = true, value = "category_id") Long categoryId) { // some code here return new…
ruslanys
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Javascript Get length of list of items in object?

I currently have a Javascript object that looks like this: Object {0: 8, 1: 9, 2: 10} I am trying to get the number of individual items in the object (i.e. 3) but can't figure out how to do so. Since the object isn't an array, I can't just call…
user3802348
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Java, HttpURLConnection and setting the content length

I'm setting the length of the content in my HttpURLConnection, for a PUT. urlConnection.setRequestProperty("Content-Length", "" + responseJSONArray.toString(2).getBytes("UTF8").length); The actual number of bytes is 74. However, when I query the…
Ken
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Most efficient way to determine if a string length != 0?

I'm trying to speed up the following: string s; //--> s is never null if (s.Length != 0) { } Problem is, it appears the .Length actually counts the characters in the string, and this is way more work than I need. Anybody have an…
Eric
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Intermittent failure to load images - ERR_CONTENT_LENGTH_MISMATCH

The problem My website fails to load random images at random times. Intermittent failure to load image with the following error in console: "GET example.com/image.jpg net::ERR_CONTENT_LENGTH_MISMATCH" Image either doesn't load at all and gives…
user3100907
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Get file size from multipart form upload Content-Length header

So, I'm uploading a file, and then downloading it... but the Content-Length in the upload headers do not match the file size. I'm guessing there is some other data involved with this calculation and transfer, but what exactly? How do I get an…
williamcotton
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