Re: [nodejs] Re: Suggestions on how to print from node.js

[boby rahmawan]

can u show us the error?

On Fri, Jan 29, 2016 at 4:34 PM, Jawahar Venkatesh 
wrote:

> Hi,
>  I have tried this, but got errors in the process. unable to succeed in it
> still.
> https://github.com/tojocky/node-printer/issues/110
>  if you have any suggestions let me know.
>
> Thanks,
> Jawahar
>
> On Tuesday, August 12, 2014 at 5:44:50 PM UTC+5:30, Julien Morvan wrote:
>>
>> Hello,
>>
>> I use node-printer
>>
>> https://github.com/tojocky/node-printer
>>
>> Maybe this can help if someone is looking for a solution.
>>
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Re: [nodejs] Not able to connect Node.JS Sever using Socket.io in Windows from a Linux System in LAN where client(using C++) is running

[boby rahmawan]

Hi Pradyot, would u like to show us your sample code? And the error if any.
Thanks
On Sep 20, 2015 2:08 AM, "Pradyot Hota"  wrote:

> Hello Everyone,,
> I was going through some projects using Node.JS and Socket.io, Now, i am
> doing something similar where i have written a client application in C++
> using Websockets trying to connect a Node.js/Socket.IO server running in a
> LAN connectivity. I found the server application is not responding at all.
> I tried a couple of other options from client side eventually getting no
> response from the server. Basically, i am trying to send a JSON object to
> the system running SocketIO server.
> From Client Side i am trying to connect to server using :: connect
> ws://localhost:3000 , Server is listening on port 3000. I find no response
> on to  the server part.
>
> Help, is really appreciated. Thank you.
>
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Re: [nodejs] Install node JS on VPS - help!

[boby rahmawan]

Are u install node with root user?
On Sep 4, 2015 8:33 PM, "Aria Stewart"  wrote:

>
> On Sep 4, 2015, at 5:45 AM, Kristofer Tryggvason 
> wrote:
>
> Hi,
>
> I'm trying to setup Node JS on my VPS. I've successfully got it running
> locally but I can't for the life of me getting working externally.
>
>
> My VPS is running Plesk, I'm the root user, and I tried to set it up
> following this tutorial
>  via Putty.
>
>
>
> What OS is this running on? It may be that there's simpler and better ways
> -- both RPM-based and Debian-derived distros can use the nodesource repos,
> and there's nvm and n.
>
> Aria
>
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Re: [nodejs] NodeJS clustering

[boby rahmawan]

Hi Dirk. May be u can split into child process. So it can split usage
resource CPU. CMIIW
On Sep 1, 2015 7:27 PM, "Dirk Hoving"  wrote:

> Hi,
>
> We are trying to cluster a level deeper than is usual.
>
> NodeJS seems to developed to be able to run a code than can be accessed by
> multiple users and every instance can be run by a different worker.
>
> Now we have a case, where we have only one user with a very complicated
> backend process. This single instance of the code causes the CPU to
> overload at times so we want to split up the work over different CPU cores.
> We have tried multiple approached but haven't been able to make it work
> yet, any insight to this?
>
> Thanks, Dirk
>
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Re: [nodejs] Newbie Question

[boby rahmawan]

Hi Manav, It's depend on your code in program.js . If output of code create
a file it'll be, if not it can't. CMIIW
On Aug 29, 2015 9:41 AM, "MANAV GARG"  wrote:

> If I type
> node program.js
> in my terminal. Where will the file be generated in the computer?
>
> I am using Ubuntu 15
>
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Re: [nodejs] start nodejs express automatically

[boby rahmawan]

Hi, Is it like nodemon module?
On Aug 29, 2015 9:41 AM, "Uomo di Carbone"  wrote:

> Is there a way to add nodejs express to rc similar to adding vsftp to rc?
> sudo update-rc.d vsftpd defaults
>
> I'm running nodejs with express on port 80 using Debian on an Rpi
>
>
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Re: [nodejs] Re: Server is accepting requests but is not responding. There is something hanging up the response.

[boby rahmawan]

Hi moacir, is there any socket process not completed to execute? Maybe it
can make your server not responding because main program wait the response
from socket.
On Aug 9, 2015 10:55 PM, "zladuric"  wrote:

> Well, in that case, I would say it looks like a memory leak or something.
> You say the socket should close in two minutes - are you leaving some
> closures there too? Maybe those get piled up and then afterwards they only
> accept new requests when old ones expire.
>
> Did you count how many requests get piled up before this block?
>
> Also, you seem to also be using third-party services - outgoing calls?
> Your global max of http connections is set?
>
> Zlatko
>
>
> On Sunday, August 9, 2015 at 3:21:23 AM UTC+2, Moacir Braga wrote:
>>
>> Hello Rob. I'm not using webpack nor sass.
>>
>> Zladuric, I'm logging the connections and I found one service that
>> usually is involved with the problem, however when I restart the
>> application, I create a request with the same logged data, but the problem
>> does not reproduce. Strange, right? Not be able to reproduce an error is
>> really bad.
>>
>> I analysed the function, but all outputs are handled with HTTP 200 or
>> 302, i.e., I'm always closing the connections, but even if I don't, the
>> socket should do that in two minutes.
>>
>> Sometimes I think about if this problem happens only on Windows... but
>> unfortunately I must use Windows because this application is just a
>> middleware for my main solution.
>>
>> On Friday, August 7, 2015 at 12:51:17 PM UTC-3, Moacir Braga wrote:
>>>
>>> It’s been a few weeks since I started trying to solve this problem, but
>>> I still haven’t figured out a possible solution. The issue is that my
>>> server accepts requests and responds to them normally in the beginning.
>>> However, after an unknown event happens (I’m still trying to discover which
>>> event it is), the server continues accepting requests, but it stops
>>> responding to them.
>>>
>>>
>>>
>>> I’ve already checked the Process Monitor (the server is running on
>>> Windows Server 2012 R2) and I could notice that when this problem happens,
>>> new requests generate a TCP Accept, a TCP Receive, but not a TCP Send nor a
>>> Disconnect.
>>>
>>>
>>>
>>> I tried to execute the server in debug mode, but then again, when this
>>> problem happens the debugger does not work and it hangs up as well.
>>>
>>>
>>>
>>> The server doesn’t explode and no errors occur. Thus, domains won’t help
>>> me in this case. I’ve tried to handle uncaughtException, but it also didn’t
>>> work.
>>>
>>>
>>>
>>> The server keeps running without using excessive processor or memory
>>> resources. Its behavior is still similar to the one during the first
>>> execution, except for the fact that it’s not responding as it was before.
>>>
>>>
>>>
>>> When I sent a SIGNAL via console, the server simply started working
>>> normally again without restarting or anything. It just got back to normal.
>>>
>>>
>>>
>>> I tried to execute a lot of requests using ApacheBench and NeoLoad, but
>>> I just can’t reproduce this problem. It simply happens randomly.
>>>
>>>
>>>
>>> The socket has a timeout of two minutes. However, the server keeps
>>> hanging up the requests for hours.
>>>
>>>
>>>
>>> When I sent the SIGNAL mentioned before, all requests that were hanging
>>> were executed, as if they were in a queue waiting for the last request to
>>> be finished.
>>>
>>>
>>>
>>> I don’t know what else could I do to find out what is causing this
>>> problem.
>>>
>>>
>>> I'm using Node.js + Express + body-parser + cookie-parser + Windows
>>> Server 2012 R2 x64 with GUI + Amazon EC2 micro instance.
>>>
>>>
>>> *If somebody has any idea of what is causing the server to hang up
>>> forever, please tell me.*
>>>
>>>
>>> Best Regards,
>>>
>>> *Moacir Braga*
>>>
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Re: [nodejs] [ANN] node.js client API for SQL Relay

[boby rahmawan]

Great.. Is it can be used with mongoDB?
On Aug 8, 2015 2:21 AM, "David Muse"  wrote:

> Hello all,
>
> SQL Relay 0.62 was just released, and this release includes a node.js
> client API.
>
> See the release announcement
> and SQL
> Relay web site. 
>
> SQL Relay is a database connection management solution with features like:
>
>- connection pooling - maintaining persistent connections to databases
>to overcome connection delay
>- database proxying - accessing databases from unspported platforms
>(like oracle from a BSD or arm-linux system)
>- throttling - queuing requests to prevent your database from becoming
>overloaded
>- load balancing - transparent distribution of load over replicated or
>clustered databases
>- query routing - transparent routing of DML/DDL to masters and
>distribution of selects over slaves
>- query filtering - preventing queries that match certain patterns
>from being run at all
>- suspended transactions - provides a means for a single transaction
>to span multiple web pages
>- and more...
>
> SQL Relay runs on unix/linux systems and Windows, and supports Oracle,
> Sybase/SAP, IBM DB2, Microsoft SQL Server, Firebird, PostgreSQL, MySQL and
> SQLite databases, as well as any database with an ODBC driver.
>
> It also acts as a database abstraction layer.  When using SQL Relay, the
> same node.js code can be used to access any of these databases.
>
> Feel free to contact me with questions or comments.
>
> Take care,
>
> David Muse
> david.m...@firstworks.com
>
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