Skip to main content

All Questions

-1 votes
1 answer
1k views

store binary data of media(image/video) received from whatsapp cloud API

i have to store binary data of which i received from whatsapp cloud api. i am using node js but unable to send the file data using form data here is reference i have referred https://developers....
abhishek mehta's user avatar
0 votes
1 answer
323 views

Unable to convert file to binary format for sending to wit.ai api using node.js

I am facing an issue in converting Audio file to Binary format. I need to send it to Wit.AI api which is expecting the data in that format. I am using node.js. In my front-end I am recording the user ...
Ankit kumar's user avatar
7 votes
1 answer
5k views

Reading/writing/copying an ArrayBuffer into another ArrayBuffer with an offset

Let's say I have an ArrayBuffer which is an mp4 file. I'd like to create a new ArrayBuffer with a few extra bytes to be used as header information, and then store the mp4 buffer in the remainder of ...
Nick Jennings's user avatar
0 votes
1 answer
72 views

How can I slice out a specific chunk of a (partially) downloaded file based on a hex signature?

What I'm attempting to solve: There is an uncompressed zip file which contains two (2) separate files within it. One is a manifest which contains certain metadata about the zip, and the other is an ...
Tyler Biscoe's user avatar
  • 2,432
0 votes
1 answer
113 views

Error in retrieving Binary data using AMQP reciever

I am trying to receive message using nodejs + amqp receiver. I could observe that the binary data higher than 7f was shown as ef bf bd. var messageHandler = function (myIdx, msg) { var data = new ...
Praful's user avatar
  • 167
2 votes
1 answer
2k views

Node JS + DIME - sending binary data in POST

There's a file 1740 bytes long, it's contents is read to a Buffer res. res.length is 1740 and res.toString('binary', 0, res.length).length is also 1740. I send a POST request using request lib ...
Alexander Mikhalchenko's user avatar
4 votes
2 answers
11k views

Node.js convert binary file to utf8

I have a jrmxl (Jasper report) file stored in a postgresql database in a binary format (bytea). I'm trying to read that file and convert it into a plain jrmxl (XML) file and save it on the disk. Here ...
diokey's user avatar
  • 176
1 vote
1 answer
4k views

Writing binary data from a Nodejs buffer to a blob on Meteor client

I'm trying to create a CSV file that will be saved with UTF-16LE encoding on the server and then pass the result to the client. This is what I do, in Coffeescript: Meteor.methods { iconv: (data, ...
seb's user avatar
  • 2,144
6 votes
2 answers
3k views

Problems in writing binary data with node.js

I am trying to write the binary body of a request to a file and failing. The file is created on server but I am unable to open it. I am getting 'Fatal error: Not a png' on Ubuntu. Here is how I am ...
Akash's user avatar
  • 5,231
1 vote
1 answer
678 views

Can't find mp3 frame header sync bits in node stream

I am almost at the end of my rope on this one. I am attempting to parse out mp3 frame data, but I am having a bear of a time locating any frames. I am using Node 0.10 and trying to make use of the ...
monastic-panic's user avatar
3 votes
1 answer
2k views

C.S. Basics: Understanding Data Packets, Protocols, Wireshark

The Quest I'm trying to talk to a SRCDS Server from node.js via the RCON Protocol. The RCON Protocol seems to be explained enough, implementations can be found on the bottom of the site in every ...
ashiso's user avatar
  • 325