nr – IRZU INSTITUTE

RESEARCH

Sinope Water Valve node-red from HE7 to He5 – Node-RED

September 5, 2023admin

I use NR because I already use it for various purposes (integration of hubitat units, industrial PLC (modbus) and serial devices (volt meters). Because my C5 is running ok, I…Read moreSinope Water Valve node-red from HE7 to He5 – Node-RED

DATA MANAGEMENT RESEARCH

Video recorded with ffmpeg and HDMI to USB device at 1280×1024 is stretched (AR incorrect)

April 29, 2023admin

I would like to record a video of the screen of another PC with an HDMI to USB video capture card with ffmpeg, in Windows. I’m duplicating the PC screen…Read moreVideo recorded with ffmpeg and HDMI to USB device at 1280×1024 is stretched (AR incorrect)

ACOUSTICS & DSP FFT & WAVELETS RESEARCH

python – FFT of a periodic pulse signal

January 28, 2023admin

I would expect the FFT of a periodic pulse signal to look like a sinc function, like shown here. However, if I try to replicate that, what I get is…Read morepython – FFT of a periodic pulse signal

RESEARCH

Pascal Triangle Integer Overflow When Values Need To Be Find At Row 30 Code Examples

November 30, 2022admin

Pascal Triangle Integer Overflow when values need to be find at row 30 Code examples In this session, we will try our hand at solving the Pascal Triangle Integer Overflow…Read morePascal Triangle Integer Overflow When Values Need To Be Find At Row 30 Code Examples

RESEARCH

python 3.x – command not found: newrelic-lambda

September 27, 2022admin

Trying to use the newrelic cli to integrate my aws account to new relic, but have run into this hiccup. I’m following these steps:docs.newrelic.com/docs/serverless-function-monitoring/aws-lambda-monitoring/enable-lambda-monitoring/account-linking After installing pip3 install newrelic-lambda-cli, I…Read morepython 3.x – command not found: newrelic-lambda

RESEARCH

warning: nr_php_get_environment_variables: Unable to access environmental variables on 10.1.0.313 – newrelic/newrelic-php-agent

September 24, 2022admin

After upgrading to New Relic Version 10.1.0.313 (from 9.21.0.311) I am getting constant warning logs in the php agent log: 2022-09-22 15:35:52.417 +0300 (50083 50083) warning: nr_php_get_environment_variables: Unable to access…Read morewarning: nr_php_get_environment_variables: Unable to access environmental variables on 10.1.0.313 – newrelic/newrelic-php-agent

RESEARCH

[Python] agent 7.4.0.172 incorrectly grouping GraphQL calls – Agents

February 22, 2022admin

Hi We use New Relic with our Django backend that has Graphene integrated for APIs. We recently upgraded from 6.6.0.162 to 7.4.0.172 of the python agent. We noticed an issue…Read more[Python] agent 7.4.0.172 incorrectly grouping GraphQL calls – Agents

RESEARCH

use swap() to make code cleaner”

February 2, 2022admin

With this change, userfaultfd fails to build with undefined referenceswap() error: userfaultfd.c: In function ‘userfaultfd_stress’:userfaultfd.c:1530:17: warning: implicit declaration of function ‘swap’; did you mean ‘swab’? [-Wimplicit-function-declaration]1530 | swap(area_src, area_dst);| ^~~~|…Read moreuse swap() to make code cleaner”

DATA MANAGEMENT RESEARCH

Automatic save hubitat backup to Qnap – Get Help

December 26, 2021admin

Did you establish a share folder to your NAS backup location? This is done in advanced settings of the container and only editable when the container is not running. Here…Read moreAutomatic save hubitat backup to Qnap – Get Help

DATA MANAGEMENT RESEARCH

c# – Regex for newline “nr” and digits

December 26, 2021admin

What should it look like? If your string contains carriage return and line feed characters If, when you said in your post like bla rn1.1, you mean this string has…Read morec# – Regex for newline “nr” and digits

LOW VOLTAGE IC RESEARCH

respect memory map when ballooning up

December 21, 2021admin

Today Mini-OS won’t look at the memory map when ballooning up. This can result in problems for PVH domains with more than 4 GB of RAM, as ballooning will happily…Read morerespect memory map when ballooning up

JS, REACT, & NODE LINUX & ANDROID LOW VOLTAGE IC MQTT & IOT AUTOMATION

Updating from NR v0.20.5 to latest version in a Pi: Anything to worry about? – General

December 20, 2021admin

I have had a very stable and happy experience with NR v0.20.5 for the past very long while but figure it’s time to upgrade because, well… because.This is where I…Read moreUpdating from NR v0.20.5 to latest version in a Pi: Anything to worry about? – General

DATA MANAGEMENT RESEARCH

Discussion about a new Dashboard – #106 by Paul-Reed – Dashboard

September 25, 2021admin

I spent a bit of time looking at the current dashboard code and trying to decompose the functionality of a dashboard. The parts that I come up with are: overall…Read moreDiscussion about a new Dashboard – #106 by Paul-Reed – Dashboard