On Wed, Aug 29, 2012 at 10:14 AM, Dima Batir <[email protected]> wrote:
> Hi guys! i have to implement a client-server comunnication through
> sockets.io.
> On the socket.on('data') event, as API specifies, I receive a Buffer.
> The problem relies in how does NodeJS transform the data i receive into a
> Buffer.
> The data contains aplahnumeric characters.
> The problem is when i attempt to parse it's content, especialyy integer
> negative
> values - the buffer sees the negative sign not as a sign-bit but as a single
> byte '0x2D'
> which stands in ASCII for '-' sign. maybe there is another way to read
> bytes from a Buffer.
You mean the buffer contains string data, e.g. "-1337"? Try
socket.setEncoding('utf8'). Your data listener will get a string
(instead of a buffer) that you can parse with parseInt().
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