A sentinel is a loop exit value or list delimiter whose value is outside the range of valid input, such as -1 for a zero-based array index, or ~ for alphabetic strings.
Questions tagged [sentinel]
410 questions
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Redis Sentinel Using Redis Stack Server
I am trying to add sentinel in Redis stack server but not able to achieve. After deployment everything is working properly until I delete the master node . After deleting the master node they aren't electing any master node among themselves.Also ,…
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Update Laravel 8 with srlabs/centaur: "11.*" to Laravel 9
I am upgrading an old application (I did'nt develop it) with srlabs/centaur version 11.*
I am trying to upgrade the laravel version to Laravel 9 but got this error.
- srlabs/centaur 11.01.00 requires illuminate/support ^8.0 -> satisfiable by…
Rasyidi Alwee
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How to Stitch/Merge two RasterStack map overlapping each other
I ama trying to merge two RastertStack satellite data located just about over each other. I want to have them both in a single plot and I already set their extent to ESPG:3857.
I use the…
Johnny
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Python Graphic Game Assistance
The entire program can be summed up in a few sentences. A graphic game based off two players choosing to either roll a die (1-6) or pass their turn (total of 3 passes available per player). Whoever's total rolls add up to 21 first loses, and the…
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R Projection issue with raster and polygon not overlapping even though they do
I need to crop a raster (Sentinel 2 image) by a polygon (USGS HUC data). The raster's crs is: Deprecated Proj.4 representation: +proj=utm +zone=10 +datum=WGS84 +units=m +no_defs . The polygon's crs is "GEOGCRS["NAD83",\n DATUM["North American…
Koda
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storing input in array, using sentinel value to exit loop, displays some stats Python
I am having to press 0 twice before exiting the loop and I need to print mean salary and all salaries within 5k of mean. HELP A NOVICE?!
#This program takes an employee name followed by their salary as input
#Using a sentinel value, the user is…
Shawngilbert107
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I am running unit test using Sentinel. Can I get the test result summary using junit AbstractTestResultAction?
I am running unit test on sentinel policies using the command “sentinel test test-case-folder”in Jenkins. However, the test results are too extensive, only option available is to provide -json flag while running the Sentinel command. This will give…
green_car
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Does Spinnaker CloudDriver support Redis Sentinel connection?
I am using Spinnaker CloudDriver with Redis for caching, and I would like to know if it supports Redis Sentinel for high availability. I have searched the documentation and the code on GitHub, but I couldn't find any information about it. Can anyone…
user2362055
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redis sentinel starts monitoring machine which gets recreated with same IP address used earlier as part of redis sentinel cluster
I had done an automation of deploying redis-sentinel cluster via ansible but there is one catch that I am struggling to fix.
We use our internal data center in which there is a high chance of getting the same IP address after destroying the existing…
Shubham Saroj
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How to search a 2d array for user inputted string? How to make sentinel stop in input loop if string is entered?
O.K. I'm green at this Java. But first problem is how to make the sentinel stop while entering elements in a 2d array from a scanner? Next, How do you search this array for a value a user inputted through a scanner then display the elements, row…
BeckyLA
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How could I implement a generic 'not set' sentinel value for a column in a PostgreSQL table?
I'm using PostgreSQL 14 to maintain a table which acts as an append-only ledger of changes done to a students table:
CREATE TABLE students (
id SERIAL PRIMARY KEY,
name TEXT NOT NULL,
city TEXT NOT NULL,
mentor_of INTEGER REFERENCES…
Frerich Raabe
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Can you create a sentinel value to equal more than one value? (in a while loop in python)
I created a while loop that will continue until the user enters the variable 'favorite' as 'quit' or 'done'.
favorites = dict()
name = input('What is your name?\n')
favorite = input('What favorite do you want to enter? (quit or done to…
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How to extract pixel value from geometry points in shp format (2500 points) starting from an Image Collection resempled
I'm trying to extract the value of each single band of Sentinel-2 after resampling the bands from 10 meters to 30 meters using the resolution of the Landsat-8 (I didn't know how to do this in another way)
This is the code using band 4 as an example.…
Martina Perez
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NDVI time series graph of multiple shapefiles in GEE
How can I plot NDVI time series graph (Using Sentinel-2) of multiple shapefiles in a single graph plot. I run code for one shapefile and its works well but unable to plot the ndvi curve for other shapefile area for comparison in the same graph plot…
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Replication Error in Redis cluster using Docker Compose
I am using a Redis cluster with one master and two slaves. Also, automatic failover using Sentinel.
The cluster is configured using docker-compose.
The Redis image version is 6.2.
I am getting the below error in Redis slave servers when I start…
neil
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