# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1356

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

**Page:** 1357

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## [Node installation from Palette is not working](https://discourse.nodered.org/t/node-installation-from-palette-is-not-working/3891)

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**Author:** [@rskhatri](https://discourse.nodered.org/u/rskhatri)\
**Replies:** 5\
**Last updated:** [11 October 2018 13:51 UTC](https://discourse.nodered.org/t/node-installation-from-palette-is-not-working/3891 "2018-10-11T13:51:07Z")

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Hi All, I am trying to install nodes from manage palette option. But, it is not able to install a node. If I use same command from cmd line than it works perfectly. Thanks, Rohit

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## [Formatted flow file, by default?](https://discourse.nodered.org/t/formatted-flow-file-by-default/3871)

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**Author:** [@alpintrekker](https://discourse.nodered.org/u/alpintrekker)\
**Replies:** 5\
**Last updated:** [11 October 2018 13:31 UTC](https://discourse.nodered.org/t/formatted-flow-file-by-default/3871 "2018-10-11T13:31:20Z")

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Hi, Is there an option to force Node-RED to save the flow file json formatted? While the new projects feature great, the built in commit browser great, looking at differences the git diff way or at any hosted git serv…

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## [Having a hard time trying to re-install NR](https://discourse.nodered.org/t/having-a-hard-time-trying-to-re-install-nr/3826)

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**Author:** [@vazquezjm](https://discourse.nodered.org/u/vazquezjm)\
**Replies:** 8\
**Last updated:** [11 October 2018 13:02 UTC](https://discourse.nodered.org/t/having-a-hard-time-trying-to-re-install-nr/3826 "2018-10-11T13:02:02Z")

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Hi all. I'm experiencing a weird behavior trying to re-install NR on my Raspbery Pi 3 running Raspbian 9.4 (Stretch). After a power fault (mains), RPi booted and NR was not working so I tried to fix it manually but me…

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## ["node-red-contrib" means as custom node or library?](https://discourse.nodered.org/t/node-red-contrib-means-as-custom-node-or-library/3882)

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**Author:** [@rajbir123](https://discourse.nodered.org/u/rajbir123)\
**Replies:** 1\
**Last updated:** [11 October 2018 09:44 UTC](https://discourse.nodered.org/t/node-red-contrib-means-as-custom-node-or-library/3882 "2018-10-11T09:44:50Z")

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"node-red-contrib" means as custom node or library. As i can see in the manage palette there is more than thousands of npm library. so what i see there some library name starting with "node-red-contrib..." and some of th…

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## [How to do the Implementation for unique flow id pattern](https://discourse.nodered.org/t/how-to-do-the-implementation-for-unique-flow-id-pattern/3884)

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**Author:** [@rajbir123](https://discourse.nodered.org/u/rajbir123)\
**Replies:** 1\
**Last updated:** [11 October 2018 09:38 UTC](https://discourse.nodered.org/t/how-to-do-the-implementation-for-unique-flow-id-pattern/3884 "2018-10-11T09:38:38Z")

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how to customize the nodered for making for design and Implementation for unique flow id pattern, currently yes every tab having unique id but if we have our app which user use it in different devices it may gives same …

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## [Nodes update problems](https://discourse.nodered.org/t/nodes-update-problems/3847)

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**Author:** [@echtelerp](https://discourse.nodered.org/u/echtelerp)\
**Replies:** 5\
**Last updated:** [11 October 2018 08:28 UTC](https://discourse.nodered.org/t/nodes-update-problems/3847 "2018-10-11T08:28:31Z")

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Hi together, Raspberry pi2 nodejs version: 8.12.0 node-red version 19.4 i have problems updating my nodes... i try that via the mange palette on the ui, here is the log output: 10 Oct 10:52:34 - \[info\] Server now…

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## [How to search an array?](https://discourse.nodered.org/t/how-to-search-an-array/3832)

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**Author:** [@Rednecknerd](https://discourse.nodered.org/u/Rednecknerd)\
**Replies:** 12\
**Last updated:** [11 October 2018 08:01 UTC](https://discourse.nodered.org/t/how-to-search-an-array/3832 "2018-10-11T08:01:33Z")

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I have an array of data. The position I need has been anywhere from position 6 to 11 so far. It always starts with an "A". It is METAR data. I have converted the string to an array and everything works fine as long a…

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## [HTTP request - digest auth?](https://discourse.nodered.org/t/http-request-digest-auth/3854)

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**Author:** [@wdmnn](https://discourse.nodered.org/u/wdmnn)\
**Replies:** 2\
**Last updated:** [11 October 2018 07:12 UTC](https://discourse.nodered.org/t/http-request-digest-auth/3854 "2018-10-11T07:12:16Z")

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Hi everyone, first post in this forum for me, so don't be too harsh :slight\_smile: I had a flow running which sent me a picture of my webcam to a telegram chanel once a motion detector sensed motion. This was working f…

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## [Not able to load Node-RED editor on the given localhost URL](https://discourse.nodered.org/t/not-able-to-load-node-red-editor-on-the-given-localhost-url/3846)

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**Author:** [@Aatish](https://discourse.nodered.org/u/Aatish)\
**Replies:** 2\
**Last updated:** [11 October 2018 05:52 UTC](https://discourse.nodered.org/t/not-able-to-load-node-red-editor-on-the-given-localhost-url/3846 "2018-10-11T05:52:38Z")

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I am using Node-RED on Windows 7 and I tried uninstalling all and installing again but still the issue hasn't resolved yet. I have checked the version of Nodejs and it is as per the recommended. The loading of the edito…

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## [By pass login prompt for specific IP or in LAN](https://discourse.nodered.org/t/by-pass-login-prompt-for-specific-ip-or-in-lan/3551)

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**Author:** [@caobach42](https://discourse.nodered.org/u/caobach42)\
**Replies:** 4\
**Last updated:** [11 October 2018 02:28 UTC](https://discourse.nodered.org/t/by-pass-login-prompt-for-specific-ip-or-in-lan/3551 "2018-10-11T02:28:22Z")

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Hi, I set password for both editor and UI in Nodered mainly because sometimes I remotely control Nodered from internet, the problem is it keeps asking password every time (i heard that issue somewhere), so i think is it…

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## [Iobroker-in/Iobroker-get read the msg.topic](https://discourse.nodered.org/t/iobroker-in-iobroker-get-read-the-msg-topic/3867)

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**Author:** [@cwbusacker](https://discourse.nodered.org/u/cwbusacker)\
**Replies:** 2\
**Last updated:** [10 October 2018 21:09 UTC](https://discourse.nodered.org/t/iobroker-in-iobroker-get-read-the-msg-topic/3867 "2018-10-10T21:09:53Z")

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Hello, I am working for a company that uses node-red to connect to iobroker and modbus to access hardware booleans and registers. Here's what my flow looks like: timestamp/Iobroker GET/Function/CSV/SaveFile ..........…

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## [How can i delete all data stored like flow.set("xy",value)](https://discourse.nodered.org/t/how-can-i-delete-all-data-stored-like-flow-set-xy-value/3864)

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**Author:** [@MarkusR](https://discourse.nodered.org/u/MarkusR)\
**Replies:** 5\
**Last updated:** [10 October 2018 21:09 UTC](https://discourse.nodered.org/t/how-can-i-delete-all-data-stored-like-flow-set-xy-value/3864 "2018-10-10T21:09:39Z")

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hello, i collect data by mqtt topic. so i count something in flow.set(msg.topic,flow.get(msg.topic)+1) this data i push into a chart. but how can i remove all in flow. ? i will reset the data stored in flow. each da…

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## [Msg.payload from multiple nodes to ui\_template](https://discourse.nodered.org/t/msg-payload-from-multiple-nodes-to-ui-template/3862)

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**Author:** [@ryanjohnson00](https://discourse.nodered.org/u/ryanjohnson00)\
**Replies:** 2\
**Last updated:** [10 October 2018 16:12 UTC](https://discourse.nodered.org/t/msg-payload-from-multiple-nodes-to-ui-template/3862 "2018-10-10T16:12:23Z")

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I have multiple function nodes that I would like to send each msg.payload to the ui\_template so it displays all data at once. Is that possible? My ui\_template is a table. I am trying to display the data from the diffe…

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## [How to "catch" node.warn(msg)](https://discourse.nodered.org/t/how-to-catch-node-warn-msg/3738)

<div class="topic-metadata">

**Author:** [@EZS-JD](https://discourse.nodered.org/u/EZS-JD)\
**Replies:** 6\
**Last updated:** [10 October 2018 13:53 UTC](https://discourse.nodered.org/t/how-to-catch-node-warn-msg/3738 "2018-10-10T13:53:13Z")

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I love using the "catch" node to catch all errors from a flow and then pipe them to any notification system like Telegram, Email, etc. Is there anything similar that works with node.warn()? How could I catch .warn() mes…

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## [Access REST API to retrieve a JSON Web Token (JWT)](https://discourse.nodered.org/t/access-rest-api-to-retrieve-a-json-web-token-jwt/3840)

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**Author:** [@jpummill](https://discourse.nodered.org/u/jpummill)\
**Replies:** 1\
**Last updated:** [10 October 2018 06:09 UTC](https://discourse.nodered.org/t/access-rest-api-to-retrieve-a-json-web-token-jwt/3840 "2018-10-10T06:09:31Z")

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Hi Everyone, I am new to Node-RED and not sure how to proceed. I need to access a REST API to retrieve a JSON Web Token (JWT) I can do this with the following curl command: curl -X POST https://servername:1925/myapp/l…

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## [Node-red beginner tutorials?](https://discourse.nodered.org/t/node-red-beginner-tutorials/3837)

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**Author:** [@cwbusacker](https://discourse.nodered.org/u/cwbusacker)\
**Replies:** 1\
**Last updated:** [9 October 2018 22:10 UTC](https://discourse.nodered.org/t/node-red-beginner-tutorials/3837 "2018-10-09T22:10:34Z")

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Hello, I'm very new to node-red. Are there any good node-red tutorials/walkthroughs for beginners? Thanks, CB

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## [How can I find out which node generates MaxListenersExceededWarning](https://discourse.nodered.org/t/how-can-i-find-out-which-node-generates-maxlistenersexceededwarning/3815)

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**Author:** [@ludi](https://discourse.nodered.org/u/ludi)\
**Replies:** 5\
**Last updated:** [9 October 2018 20:32 UTC](https://discourse.nodered.org/t/how-can-i-find-out-which-node-generates-maxlistenersexceededwarning/3815 "2018-10-09T20:32:29Z")

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Hi, after a couple of time (between hours and days) I see the following message in the syslog: node:346 MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 exit listeners added. Use emitter.setM…

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## [\[Noob\] Http post to Rpinotify](https://discourse.nodered.org/t/noob-http-post-to-rpinotify/1234)

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**Author:** [@EnricoSx](https://discourse.nodered.org/u/EnricoSx)\
**Replies:** 13\
**Last updated:** [9 October 2018 20:26 UTC](https://discourse.nodered.org/t/noob-http-post-to-rpinotify/1234 "2018-10-09T20:26:18Z")

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Hello, sorry for my noob question, i want use https://rpinotify.it/invio-di-testo.html but i can’t send post message : (i edit http: for new user limit post) my flow: inject: with string text=“my message” http req…

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## [Allocating one JSON to different topics](https://discourse.nodered.org/t/allocating-one-json-to-different-topics/3544)

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**Author:** [@themanfrommoon](https://discourse.nodered.org/u/themanfrommoon)\
**Replies:** 16\
**Last updated:** [9 October 2018 20:06 UTC](https://discourse.nodered.org/t/allocating-one-json-to-different-topics/3544 "2018-10-09T20:06:49Z")

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Hello, I have a JSON published from a data logger and I want to publish the data to MQTT. Therefore I need to allocate the JSON data to different topics. I have different types of JSON and for another type I have foun…

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## [Trigger on dashboard page entry](https://discourse.nodered.org/t/trigger-on-dashboard-page-entry/3830)

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**Author:** [@sweetwater](https://discourse.nodered.org/u/sweetwater)\
**Replies:** 1\
**Last updated:** [9 October 2018 19:38 UTC](https://discourse.nodered.org/t/trigger-on-dashboard-page-entry/3830 "2018-10-09T19:38:08Z")

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We are using the SIDEBAR Menu Is there any way to do this: From Sidebar- select a "dashboard page" Upon entry to the dashboard page trigger an event.

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## [Passcode Entry in Dashboard](https://discourse.nodered.org/t/passcode-entry-in-dashboard/3831)

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**Author:** [@jfehl](https://discourse.nodered.org/u/jfehl)\
**Replies:** 0\
**Last updated:** [9 October 2018 17:47 UTC](https://discourse.nodered.org/t/passcode-entry-in-dashboard/3831 "2018-10-09T17:47:27Z")

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I have used a button on the dashboard to allow a user to reset a parameter from the dashboard. However, I would like to force them to enter a passcode / pass key to ensure not any viewer could reset the parameter. Onl…

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## [Global variable changing content when setting sn instance of the global variable content](https://discourse.nodered.org/t/global-variable-changing-content-when-setting-sn-instance-of-the-global-variable-content/3822)

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**Author:** [@Josep](https://discourse.nodered.org/u/Josep)\
**Replies:** 1\
**Last updated:** [9 October 2018 14:35 UTC](https://discourse.nodered.org/t/global-variable-changing-content-when-setting-sn-instance-of-the-global-variable-content/3822 "2018-10-09T14:35:32Z")

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0down votefavorite If you look at the following example you could see that I'm setting a global value on startup. After that, If you click inject module you'll see that I set to 22 the tag\_id attribute of the object…

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## [Active development for Discord nodes?](https://discourse.nodered.org/t/active-development-for-discord-nodes/3778)

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**Author:** [@ripcurl](https://discourse.nodered.org/u/ripcurl)\
**Replies:** 5\
**Last updated:** [9 October 2018 09:35 UTC](https://discourse.nodered.org/t/active-development-for-discord-nodes/3778 "2018-10-09T09:35:42Z")

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Hi, I was just introduced to the amazing world of node-red and I'm blown away at the potential that lies here. I've been trying quite hard to find integration with Discord but so far I've only found node-red-contrib-di…

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## [Having connection issues with ioT2020 and node red](https://discourse.nodered.org/t/having-connection-issues-with-iot2020-and-node-red/3764)

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**Author:** [@Pac8](https://discourse.nodered.org/u/Pac8)\
**Replies:** 3\
**Last updated:** [9 October 2018 06:06 UTC](https://discourse.nodered.org/t/having-connection-issues-with-iot2020-and-node-red/3764 "2018-10-09T06:06:13Z")

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I have created my first project, which is a work base project utilizing the Siemens ioT 2020, where i am running a simple flow with a signal from my ioT 2020 to print a number in the debug screen. I have my ioT running o…

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## [Node-red-contrib-socrata v0.0.7 updated](https://discourse.nodered.org/t/node-red-contrib-socrata-v0-0-7-updated/3810)

<div class="topic-metadata">

**Author:** [@chuank](https://discourse.nodered.org/u/chuank)\
**Replies:** 0\
**Last updated:** [9 October 2018 04:43 UTC](https://discourse.nodered.org/t/node-red-contrib-socrata-v0-0-7-updated/3810 "2018-10-09T04:43:02Z")

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node-red-contrib-socrata updated to v0.0.7 for changelog and other details, please refer to the github repo: Socrata is an open data service often used by the government sector in providing public data online. This…

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## [Node-red-contrib-particle v0.1.2 updated](https://discourse.nodered.org/t/node-red-contrib-particle-v0-1-2-updated/3809)

<div class="topic-metadata">

**Author:** [@chuank](https://discourse.nodered.org/u/chuank)\
**Replies:** 0\
**Last updated:** [9 October 2018 04:27 UTC](https://discourse.nodered.org/t/node-red-contrib-particle-v0-1-2-updated/3809 "2018-10-09T04:27:34Z")

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node-red-contrib-particle updated to v0.1.2. for changelog and other details, please refer to the github repo: I've been maintaining this set of nodes (since 2015) that simplify the connection between Particle devi…

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## [Can't read GPIO without first running some python](https://discourse.nodered.org/t/cant-read-gpio-without-first-running-some-python/3806)

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**Author:** [@Abstract2Actual](https://discourse.nodered.org/u/Abstract2Actual)\
**Replies:** 1\
**Last updated:** [9 October 2018 04:05 UTC](https://discourse.nodered.org/t/cant-read-gpio-without-first-running-some-python/3806 "2018-10-09T04:05:40Z")

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I created a simple flow that checks to see if a switch is depressed and deployed it, but it didn't work. Thinking that my GPIO was fried, i ran a little python script to read the same GPIO pin, The python script worked…

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## [Delay inside function node between messages?](https://discourse.nodered.org/t/delay-inside-function-node-between-messages/3736)

<div class="topic-metadata">

**Author:** [@dakure](https://discourse.nodered.org/u/dakure)\
**Replies:** 14\
**Last updated:** [9 October 2018 01:35 UTC](https://discourse.nodered.org/t/delay-inside-function-node-between-messages/3736 "2018-10-09T01:35:03Z")

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Hi! I am a newbie of NodeRed and loving it so far. Thank you all for this amazing tool! In this example from documentation is it posible to have a delays between messages inside the function node? var msg1 = { payload:…

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## [Not able to get data from Weather.gov](https://discourse.nodered.org/t/not-able-to-get-data-from-weather-gov/3803)

<div class="topic-metadata">

**Author:** [@Rednecknerd](https://discourse.nodered.org/u/Rednecknerd)\
**Replies:** 8\
**Last updated:** [8 October 2018 23:25 UTC](https://discourse.nodered.org/t/not-able-to-get-data-from-weather-gov/3803 "2018-10-08T23:25:04Z")

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Hi, new user here. Still making my way through the tuts. I need to get the Barometric data from one of the following sites. https://w1.weather.gov/data/obhistory/KRVS.html or https://w1.weather.gov/xml/current\_obs/K…

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## [Windows build tools install always needed during node red 0.19.x install](https://discourse.nodered.org/t/windows-build-tools-install-always-needed-during-node-red-0-19-x-install/3797)

<div class="topic-metadata">

**Author:** [@Lace](https://discourse.nodered.org/u/Lace)\
**Replies:** 1\
**Last updated:** [8 October 2018 23:01 UTC](https://discourse.nodered.org/t/windows-build-tools-install-always-needed-during-node-red-0-19-x-install/3797 "2018-10-08T23:01:13Z")

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Hi, on Windows, if I install node-red 0.19 it is always the case that the bcrypt module can not be found as precompiled version and therefore the installation of windows build tools is always necessary. Unfortunately wi…

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