# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=499

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 500

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## [Compose XMLHttp requests with node](https://discourse.nodered.org/t/compose-xmlhttp-requests-with-node/50495)

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**Author:** [@muharremsari](https://discourse.nodered.org/u/muharremsari)\
**Replies:** 5\
**Last updated:** [4 September 2021 13:00 UTC](https://discourse.nodered.org/t/compose-xmlhttp-requests-with-node/50495 "2021-09-04T13:00:06Z")

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When I click view source in iexplorer, it starts such a query and I can see the value in its payload. How do i that query with node-red Regards

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## [Fixing nrlint findings](https://discourse.nodered.org/t/fixing-nrlint-findings/50311)

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**Author:** [@augjoh](https://discourse.nodered.org/u/augjoh)\
**Replies:** 8\
**Last updated:** [4 September 2021 03:48 UTC](https://discourse.nodered.org/t/fixing-nrlint-findings/50311 "2021-09-04T03:48:32Z")

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I've tried to run nrlint against my flows and got the following output: \> npx nrlint flows.json ╔═════════════════╤══════════╤═══════════════════════════════════════════════════════════════════════╤═════════════════════…

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## [Keep buffer until](https://discourse.nodered.org/t/keep-buffer-until/50546)

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**Author:** [@bubugian](https://discourse.nodered.org/u/bubugian)\
**Replies:** 5\
**Last updated:** [3 September 2021 22:13 UTC](https://discourse.nodered.org/t/keep-buffer-until/50546 "2021-09-03T22:13:15Z")

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Hi all, sorry again for very basic question: I'm new to NR and I'm trying to force myself to use nodes instead of coding. I get a http buffer from a camera and I need to pass it to the next nodes (functions and telegra…

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## [Troubleshooting problems with node-red-contrib-google-smarthome](https://discourse.nodered.org/t/troubleshooting-problems-with-node-red-contrib-google-smarthome/50556)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 12\
**Last updated:** [3 September 2021 21:30 UTC](https://discourse.nodered.org/t/troubleshooting-problems-with-node-red-contrib-google-smarthome/50556 "2021-09-03T21:30:39Z")

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Hi folks, I had hoped to have the node-red-contrib-google-smarthome up and running during my holidays. But in about 10 minutes I'm off to bed, and then my holidays are over and out. So mission failed :roll\_eyes: In a…

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## [Width node dashboard](https://discourse.nodered.org/t/width-node-dashboard/50541)

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**Author:** [@QRO](https://discourse.nodered.org/u/QRO)\
**Replies:** 4\
**Last updated:** [3 September 2021 17:56 UTC](https://discourse.nodered.org/t/width-node-dashboard/50541 "2021-09-03T17:56:12Z")

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Hi I like to make de dashboard as small as possible. But when I try to shrink the size in the browser, it look like horizontal there is limit around 510 pixels, while vertical there is no limit. How can I change this? …

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## [Send files to telegram](https://discourse.nodered.org/t/send-files-to-telegram/50594)

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**Author:** [@NooBAsTiK](https://discourse.nodered.org/u/NooBAsTiK)\
**Replies:** 2\
**Last updated:** [3 September 2021 17:35 UTC](https://discourse.nodered.org/t/send-files-to-telegram/50594 "2021-09-03T17:35:38Z")

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Good afternoon to all! I want to implement sending files to telegram, but I don't know where to start? There is a folder on the computer (Debian OS) with video files from the camera, the file names have the format: 03\_09…

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## [Alternatives to eval()](https://discourse.nodered.org/t/alternatives-to-eval/50550)

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**Author:** [@FlangeMonkey](https://discourse.nodered.org/u/FlangeMonkey)\
**Replies:** 3\
**Last updated:** [3 September 2021 17:22 UTC](https://discourse.nodered.org/t/alternatives-to-eval/50550 "2021-09-03T17:22:17Z")

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Hi Guys, I have a need for a dynamic object defined by a msg.topic within an array and put together the following for testing. Both the solutions for using eval() and object definitions using square brackets work. How…

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## [Text messages via NodeRed](https://discourse.nodered.org/t/text-messages-via-nodered/50592)

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**Author:** [@BBurkett](https://discourse.nodered.org/u/BBurkett)\
**Replies:** 0\
**Last updated:** [3 September 2021 16:36 UTC](https://discourse.nodered.org/t/text-messages-via-nodered/50592 "2021-09-03T16:36:15Z")

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Can anyone suggest reliable way to send text messages from NodeRed? Currently I am sending via my Cricket wireless account, but it does not always send the message or it is really delayed. Thanks ~Bob

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## [The problem with reading the mail](https://discourse.nodered.org/t/the-problem-with-reading-the-mail/50591)

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**Author:** [@emil\_m](https://discourse.nodered.org/u/emil_m)\
**Replies:** 0\
**Last updated:** [3 September 2021 16:13 UTC](https://discourse.nodered.org/t/the-problem-with-reading-the-mail/50591 "2021-09-03T16:13:31Z")

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Hello. I have an application where I read an email and depending on what result I read it turns my light bulbs on or off. the email is from securitas directly, but that has nothing to do with it. the problem is that one …

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## [Position to speed](https://discourse.nodered.org/t/position-to-speed/47660)

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**Author:** [@mokkab](https://discourse.nodered.org/u/mokkab)\
**Replies:** 6\
**Last updated:** [3 September 2021 15:05 UTC](https://discourse.nodered.org/t/position-to-speed/47660 "2021-09-03T15:05:53Z")

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Hello, I have a serial node that reports the position (mm) of an physical axis twice per second. For example: 141.27, 142.56, 145.89, 148,66... Now I'd like to determine the axis's speed in millimeters per second. Wh…

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## [Is not recognized as an internal or external command, operable program or batch file when i try a different command than node-red](https://discourse.nodered.org/t/is-not-recognized-as-an-internal-or-external-command-operable-program-or-batch-file-when-i-try-a-different-command-than-node-red/50589)

<div class="topic-metadata">

**Author:** [@Beasty](https://discourse.nodered.org/u/Beasty)\
**Replies:** 1\
**Last updated:** [3 September 2021 14:58 UTC](https://discourse.nodered.org/t/is-not-recognized-as-an-internal-or-external-command-operable-program-or-batch-file-when-i-try-a-different-command-than-node-red/50589 "2021-09-03T14:58:33Z")

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Im a complete newbie to node-red, so I just installed it on my pc. I want to change the logos from node-red to my own logo but when I try this with the command editorTheme I get the notification(see title).

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## [SQL node to droplist](https://discourse.nodered.org/t/sql-node-to-droplist/50587)

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**Author:** [@xavier98](https://discourse.nodered.org/u/xavier98)\
**Replies:** 1\
**Last updated:** [3 September 2021 14:23 UTC](https://discourse.nodered.org/t/sql-node-to-droplist/50587 "2021-09-03T14:23:24Z")

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Hello :slight\_smile: I'm trying to do a droplist from data of a sql query. I saw on this forum that we must change the data after the SQL node (with the msg.options) but I don't how to do that. The SQL column name come …

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## [Receive concurrent http requests](https://discourse.nodered.org/t/receive-concurrent-http-requests/50555)

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**Author:** [@rmesino](https://discourse.nodered.org/u/rmesino)\
**Replies:** 2\
**Last updated:** [3 September 2021 12:45 UTC](https://discourse.nodered.org/t/receive-concurrent-http-requests/50555 "2021-09-03T12:45:50Z")

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Hi, I'm trying to implement a microservices integrations with node-red, i have some custom nodes that makes http request to a microservices and functions nodes for message transformations and some subflows. I builded a…

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## [Condition loop only exits during testing](https://discourse.nodered.org/t/condition-loop-only-exits-during-testing/50506)

<div class="topic-metadata">

**Author:** [@MarkWalsh](https://discourse.nodered.org/u/MarkWalsh)\
**Replies:** 22\
**Last updated:** [3 September 2021 12:24 UTC](https://discourse.nodered.org/t/condition-loop-only-exits-during-testing/50506 "2021-09-03T12:24:23Z")

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I have a conditional loop node that is supposed to exit when a counter gets to 100. It starts with an injection node that is set to repeat at a specific time, early in the morning before I get up, and when I log onto the…

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## [Https set-up error](https://discourse.nodered.org/t/https-set-up-error/50387)

<div class="topic-metadata">

**Author:** [@ZYX](https://discourse.nodered.org/u/ZYX)\
**Replies:** 6\
**Last updated:** [3 September 2021 11:40 UTC](https://discourse.nodered.org/t/https-set-up-error/50387 "2021-09-03T11:40:34Z")

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Hello there, can you help me with setting up Https for Node Red please. Thank you. Here's the error: Starting as root systemd service. Error loading settings file: /home/yuxiang/.node-red/settings.js Error: ENOENT: …

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## [BACnet-Read - no data read possible](https://discourse.nodered.org/t/bacnet-read-no-data-read-possible/49922)

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**Author:** [@projecttwo](https://discourse.nodered.org/u/projecttwo)\
**Replies:** 2\
**Last updated:** [3 September 2021 09:44 UTC](https://discourse.nodered.org/t/bacnet-read-no-data-read-possible/49922 "2021-09-03T09:44:07Z")

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Hey all, i am trying to connect node-red via BACNet-IP to a climate-computer, but i am not able to read the data. BacNET is working, as you can see in the following screenshot here my config: bacnet device: bac…

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## [Can the properties of a node be changed programatically?](https://discourse.nodered.org/t/can-the-properties-of-a-node-be-changed-programatically/50569)

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**Author:** [@noBody](https://discourse.nodered.org/u/noBody)\
**Replies:** 4\
**Last updated:** [3 September 2021 10:35 UTC](https://discourse.nodered.org/t/can-the-properties-of-a-node-be-changed-programatically/50569 "2021-09-03T10:35:07Z")

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I am trying to send notifications using node-red-contrib-telegrambot. This module requires setting bot name, token, user ID, and name (optional) beforehand. I understand that the bot can get the user ID and name from th…

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## [There is an issue with the postgres nodejs version](https://discourse.nodered.org/t/there-is-an-issue-with-the-postgres-nodejs-version/50565)

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**Author:** [@Athurian](https://discourse.nodered.org/u/Athurian)\
**Replies:** 0\
**Last updated:** [3 September 2021 04:01 UTC](https://discourse.nodered.org/t/there-is-an-issue-with-the-postgres-nodejs-version/50565 "2021-09-03T04:01:56Z")

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There is a problem with the nodejs version when running the postgrestor node in nodered on the raspberry pi. The current nodejs version is 14.x. However, when I run the postgrestor node, the database does not come in. …

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## [Node function problem](https://discourse.nodered.org/t/node-function-problem/50548)

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**Author:** [@theSushi](https://discourse.nodered.org/u/theSushi)\
**Replies:** 4\
**Last updated:** [2 September 2021 21:13 UTC](https://discourse.nodered.org/t/node-function-problem/50548 "2021-09-02T21:13:05Z")

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I have problem with function... I can read is it my temperature to high or to low. But I wish to dont send me status if is not change. ( if is status Hight, High i dont need info only if my status is changed. Can any on…

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## [Stuck with port forwarding for node-red-contrib-google-smarthome](https://discourse.nodered.org/t/stuck-with-port-forwarding-for-node-red-contrib-google-smarthome/50485)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 22\
**Last updated:** [2 September 2021 21:02 UTC](https://discourse.nodered.org/t/stuck-with-port-forwarding-for-node-red-contrib-google-smarthome/50485 "2021-09-02T21:02:38Z")

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Hi folks, I have completed my Node-RED development backlog, so now I want to continue with my own home automation. First thing on my list is getting node-red-contrib-google-smarthome up and running. But I'm already st…

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## [How do I pull values out of an array of objects](https://discourse.nodered.org/t/how-do-i-pull-values-out-of-an-array-of-objects/50520)

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**Author:** [@Jonathan95](https://discourse.nodered.org/u/Jonathan95)\
**Replies:** 14\
**Last updated:** [2 September 2021 13:47 UTC](https://discourse.nodered.org/t/how-do-i-pull-values-out-of-an-array-of-objects/50520 "2021-09-02T13:47:13Z")

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Hey All, Not to sure exactly how to go about this. Been spending a good part of the week getting atleast this far and was wondering if anyone knew how to pull out values from an item within an object which is within an…

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## [Http - Parse value of an element attribute? (DOM getAttribute())](https://discourse.nodered.org/t/http-parse-value-of-an-element-attribute-dom-getattribute/50530)

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**Author:** [@TottiT](https://discourse.nodered.org/u/TottiT)\
**Replies:** 2\
**Last updated:** [2 September 2021 13:05 UTC](https://discourse.nodered.org/t/http-parse-value-of-an-element-attribute-dom-getattribute/50530 "2021-09-02T13:05:36Z")

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Hey there! I'm looking for a clean way to get the value of an attribute in an HTML element, similarly as the getAttribute() function \[\*\] would allow. Is there something in node-red that would provide similar functionali…

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## [How to inject a buffer?](https://discourse.nodered.org/t/how-to-inject-a-buffer/50503)

<div class="topic-metadata">

**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 14\
**Last updated:** [2 September 2021 12:00 UTC](https://discourse.nodered.org/t/how-to-inject-a-buffer/50503 "2021-09-02T12:00:16Z")

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Hi, I've the I2C node outputting a buffer: payload: buffer\[2\] 0: 0x40 1: 0x0 topic: "" address: 32 command: 255 I need to simulate it from inject, I choose "msg.payload" and buffer, then I type \[0x40,0\], but doesn't wo…

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## [Monaco Editor "System-wide" code-completition (enums)](https://discourse.nodered.org/t/monaco-editor-system-wide-code-completition-enums/50529)

<div class="topic-metadata">

**Author:** [@thomaspz](https://discourse.nodered.org/u/thomaspz)\
**Replies:** 0\
**Last updated:** [2 September 2021 07:31 UTC](https://discourse.nodered.org/t/monaco-editor-system-wide-code-completition-enums/50529 "2021-09-02T07:31:58Z")

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Creating the interface describe in this thread works fine: Related to this thread : Monaco Editor "System-wide" code-completition What would be the best approach to define global wide const or enums. I think the defini…

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## [MQTT Topic split before output to MSSQL](https://discourse.nodered.org/t/mqtt-topic-split-before-output-to-mssql/50481)

<div class="topic-metadata">

**Author:** [@idlvpfk](https://discourse.nodered.org/u/idlvpfk)\
**Replies:** 18\
**Last updated:** [2 September 2021 07:10 UTC](https://discourse.nodered.org/t/mqtt-topic-split-before-output-to-mssql/50481 "2021-09-02T07:10:53Z")

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Hi there! I hope im posting in right section! Im facing problem with MQTT raw data input. I need function that splits topic into multiple columns in MSSQL , but this split must happen before data input into database. …

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## [Modbus tripping the relay](https://discourse.nodered.org/t/modbus-tripping-the-relay/50527)

<div class="topic-metadata">

**Author:** [@dineshpal](https://discourse.nodered.org/u/dineshpal)\
**Replies:** 0\
**Last updated:** [2 September 2021 07:10 UTC](https://discourse.nodered.org/t/modbus-tripping-the-relay/50527 "2021-09-02T07:10:03Z")

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Hi, I am connecting via modbus and converting to 32bit I would like connect to relay 1 and 2 Relay 1 at pin 18 and relay 2 pin16 I would trip the relay 1 when value is at 4 and when is at 7 relay 2 trip Need help …

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## [Nodered site is blocked india](https://discourse.nodered.org/t/nodered-site-is-blocked-india/49645)

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**Author:** [@Premkumarrtech](https://discourse.nodered.org/u/Premkumarrtech)\
**Replies:** 35\
**Last updated:** [2 September 2021 06:48 UTC](https://discourse.nodered.org/t/nodered-site-is-blocked-india/49645 "2021-09-02T06:48:31Z")

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Do we have any other workaround to access the node-red domain in india

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## [Node red too slow on raspberry pi 3b+ after network interface up](https://discourse.nodered.org/t/node-red-too-slow-on-raspberry-pi-3b-after-network-interface-up/18199)

<div class="topic-metadata">

**Author:** [@muharremsari](https://discourse.nodered.org/u/muharremsari)\
**Replies:** 14\
**Last updated:** [2 September 2021 03:29 UTC](https://discourse.nodered.org/t/node-red-too-slow-on-raspberry-pi-3b-after-network-interface-up/18199 "2021-09-02T03:29:37Z")

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I was try project on Raspberry pi 3b+ with dhcp and utp unpluged. It was ok. When eth0 set static ip on pi 3b+ node-red & gui (media,clock etc...) goes slow down. I was turn off nic with ifconfig eth0 down command system…

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## [Load externalModules from node-red dir](https://discourse.nodered.org/t/load-externalmodules-from-node-red-dir/50522)

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**Author:** [@PavanelloLeonardo](https://discourse.nodered.org/u/PavanelloLeonardo)\
**Replies:** 0\
**Last updated:** [2 September 2021 02:27 UTC](https://discourse.nodered.org/t/load-externalmodules-from-node-red-dir/50522 "2021-09-02T02:27:34Z")

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I'm building a custom docker image (version 2.0.5) with some dependencies installed, to be used in different projects, I'm installing these dependencies in node-red working directory "/usr/src/node-red", I looked at the …

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## [Serial Input to Function](https://discourse.nodered.org/t/serial-input-to-function/50474)

<div class="topic-metadata">

**Author:** [@lowelljt26](https://discourse.nodered.org/u/lowelljt26)\
**Replies:** 2\
**Last updated:** [2 September 2021 01:00 UTC](https://discourse.nodered.org/t/serial-input-to-function/50474 "2021-09-02T01:00:22Z")

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Hey Everyone, I have a flow which reads serial input from a balance to a RaspberryPi. The serial flow then parses the information every second into an integer and delivers the weight as msg.payload to a function node in…

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