Top "Sentinel" questions

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.

Return a "NULL" object if search result not found

I'm pretty new to C++ so I tend to design with a lot of Java-isms while I'm learning. Anyway, in …

c++ return-value sentinel
Can someone explain to me what a sentinel does in Java? Or how it works?

I am trying to understand what sentinel is or how it works with the program. Anyways this is the block …

java sentinel
How to setup a connection to Redis Sentinel using Jedis library?

How do I setup a connection to a Redis Sentinel server/cluster using the Jedis library?

java redis jedis sentinel
How can you disable protected mode in Redis 3.2.6 Sentinel?

I have attempted everything recommended by the following error message: (error) DENIED Redis is running in protected mode because protected …

redis sentinel redis-sentinel
What are sentinel in C language? I was learning Merge sort and came across using sentinel as infinity in the merge step

I was learning Merge sort and came across using sentinel as infinity in the merge step. Here is the algorithm …

algorithm mergesort sentinel
How to output the decimal in average?

I have a problem in showing the decimals on the average. It keeps showing .00 or .1. I tried to put it …

java while-loop sum average sentinel
How to create redis python client from sentinel url?

I have url as BROKER_URL = 'sentinel://192.168.10.1:26379/0;sentinel://192.168.10.2:26379/0;sentinel://192.168.10.3:26379/0' In this, redis is running on 192.168.10.1, 192.168.10.2 and 192.168.10.3. One node is …

python redis sentinel redis-py
How to log exceptions with network targets in NLog

I am using the NLog logging framework and am trying to get exception and stacktrace information showing up in any …

exception networking stack-trace nlog sentinel
redis 2.8.7 sentinel environment configuration questions for linux, how to make it autostart, what they should subscribe to?

for now we're trying to play with redis 2.8.7 as cache storage (from the .NET web application using booksleeve client). It …

redis sentinel
Redis failover with StackExchange / Sentinel from C#

We're currently using Redis 2.8.4 and StackExchange.Redis (and loving it) but don't have any sort of protection against hardware failures …

c# redis failover sentinel stackexchange.redis