How can I improve PostgreSQL performance without guessing?
A performance change should improve the measured workload without sacrificing correctness or wasting capacity. Which measurements and bottlenecks should be considered first?
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postgresqlHow to use multiple cases in Match (switch in other languages) cases in Python 3.10
I am trying to use multiple cases in a function similar to the one shown below so that I can be able to execute multiple cases using match cases in python 3.10 def sayHi(name): match name: case ['Egide', 'Eric']: return f"Hi Mr {name}" case 'Egidia': return f"Hi Ms {name}" print(sayHi('Egide')) This is just returning None instead of the message, even if I re
pythonCannot connect to database through Intellij's Data Sources and Drivers
I have a problem with displaying my databse structure through Intellij's Data Sources and Drivers page. I can connect to my database which is hosted on a redhat server through using application.properties of my spring project: spring.datasource.url=jdbc:postgresql://192.168.0.38:5432/cms_database which works fine. Although, whenever I try to use Intellij's D
javaChanging "wal_level" on PostgreSQL 13 (via client session) is not being respected
On a running PostgreSQL 13 instance, I tried modifying it's wal_level system setting as follows, but it's not being respected: postgres@localhost:postgres> SHOW wal_level +-------------+ | wal_level | |-------------| | replica | +-------------+ SHOW Time: 0.021s postgres@localhost:postgres> ALTER SYSTEM SET wal_level = logical; ALTER SYSTEM Time: 0.007
How should I handle configuration and secrets in MongoDB?
Configuration must be available to the application without exposing credentials in source control, logs or browser code. What belongs in the runtime and which access controls matter?
mongodbWhen is MySQL a good fit?
Compare suitability, operational responsibilities and limits before choosing this technology for a project. Which trade-offs should guide the decision?
mysqlAttributeError: module 'pkgutil' has no attribute 'ImpImporter'. Did you mean: 'zipimporter'?
Earlier I installed some packages like Matplotlib , NumPy , pip (version 23.3.1), wheel (version 0.41.2), etc., and did some programming with those. I used the command C:\Users\UserName>pip list to find the list of packages that I have installed, and I am using Python 3.12.0 (by employing code C:\Users\UserName>py -V ). I need to use pyspedas to analys
numpyWhat should I check first when Apache Kafka fails?
A failure needs to be narrowed down before settings are changed or operations retried. Which evidence best separates application errors from environment and dependency problems?
apachekafkaHow can I make a Apache Kafka setup reproducible?
The same project needs to behave consistently on developer machines, in CI and after deployment. Which versions, dependencies and configuration should be recorded?