cistern | Event aggregation and indexing system | Serverless library
kandi X-RAY | cistern Summary
kandi X-RAY | cistern Summary
Cistern is an event aggregation and indexing system. Cistern consumes VPC Flow Logs and JSON events from AWS CloudWatch Logs and exposes a SQL-like querying interface.
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Top functions reviewed by kandi - BETA
- captureFlowLogs is used to capture flow logs
- Capture JSON logs
- service creates a new service
- main is the main entry point
- compareInterfaces compares two interfaces .
- splitCollectionID splits a collection id into a timestamp and returns it .
- buildFilters builds filters from queryFilters .
- translatePositions translates a string into textPositionMap .
- GetLogEvents returns a list of all log events that have the specified start time .
- stringToFilterType converts a string to a FilterUnknown type .
cistern Key Features
cistern Examples and Code Snippets
Community Discussions
Trending Discussions on cistern
QUESTION
In my program, I want to spawn 3D Objects of Cisterns filled with water to a certain level.
I've created a Shader that has a Fill
float property which indicates the water level in the water tank. I assign that shader to another 3D Object which is inside the Cistern object (Cistern object has Glass material, Water object has Water material with special shader).
Here are the Shader Graph screenshots
Here how it looks like (even though the water level is wrong) -> Water tanks
...ANSWER
Answered 2021-Jun-09 at 16:23As guessed you are using the wrong name.
Note that the name of the property is Fill
but that's only the display name!
What you want to use in code is what is configured as Reference
! See Shader Properties
Reference Name: The internal name used for the property inside the shader
and further
NOTE: If you overwrite the Reference Name parameter be aware of the following conditions:
- If your Reference Name does not begin with an underscore, one will be automatically appended.
- If your Reference Name contains any characters which are unsupported in HLSL they will be removed.
- You can revert to the default Reference Name by right clicking on it and selecting Reset Reference
Currently yours is
QUESTION
I want to apply the following css to just a part of an image, let's say 50% of the image, is there any way to do that?
...ANSWER
Answered 2021-May-12 at 19:26You can copy your img
's style to a div. Then reduce the size accordingly.
QUESTION
thank you in advance for reading and taking the time to troubleshoot this with me!
Let me first start off with the important stuff:
Target Device:
- Raspberry Pi 4B
- Electronic-Salon Relay Hat
Development Environment:
- macOS Catalina
- PyCharm
- Python 2.7.10
At my home I have a spring that serves my home with water. The solution I came up with to prevent dirty water caused by bad rainy weather loosening up the ground soil from entering my cistern is closing a valve and waiting for about 12 hours for the water to clear back up. Then I open the valve and clear water flows into my cistern providing my home with water, and that solution works really well.
I recently came up with the conclusion that I want to automate this process with a normally open solenoid. I purchased a Raspberry Pi, a Relay Hat, and an Ambient Weather weather station.
What I'm looking to do with Python 2.7.10 is check the same variable against itself after an allotted time. In this example, I'm checking the relative barometric pressure against itself and I'm wanting to look for a significant negative change in that variable.
i.e "What does variable A have? Okay, now wait 3 seconds. What does A have now? How much has it changed?"
This is what I've bodged together so far, how can I improve? Thank you.
At first I was thinking maybe I should plot a chart with the data and compare the difference between the two plot points, but I wasn't sure how to use Matplotlib.
...ANSWER
Answered 2021-Mar-11 at 05:48The general design pattern for this is:
QUESTION
I would like to ask you some suggestions about a time series prediction problem. In particular, I have to predict on a daily basis the total water demand in a certain area, creating a model based on 4 CVSs files containing:
- water demand in aggregated form (time series with daily granularity, 2 years data)
- amount of water entering the area's cistern (time series with daily granularity, 2 years data)
- amount of water leaving the area's cistern (time series with daily granularity, 2 years data)
- water request from 4,000 measurements points across the area (time series with daily granularity, 2 years data).
In your opinion, what is the best model for having a good prediction of the water demand in the area, using the available data and features? I can only think of LSTMs or MLP, I don't know if something like ARIMA or (SARIMA) could be useful in this case, seeing that I have many features but not many days. Thank you in advance for you help :)
...ANSWER
Answered 2020-Oct-26 at 21:59Forecasting is inevitably a domain-specific problem because you can often make better decisions about model and methods when you know something about the system or process you are trying to forecast.
There are quite a few academic papers on forecasting domestic water demand which you could look at if you have access:
E.g.
- Demand Forecasting for Water Distribution Systems by Chen and Boccelli (2014)
- Urban Water Demand Forecasting: Review of Methods and Models by Donkor et al (2014)
- Predicting water demand: a review of the methods employed and future possibilities by de Souza Groppo et. al (2019)
I'm not an expert in this domain so you should probably wait for someone who is to answer the question but I think using an auto-regressive model (e.g. ARIMA), as you have suggested, is a good start because demand is essentially due to aggregate human activity which is inherently driven by daily / weekly routines, and seasonal effects.
There are various routines to fit such models to data. Jason Brownlee has a nice tutorial here using Python's statsmodels.tsa package.
You could also see what people have used for residential energy consumption forecasting as the problem is probably very similar to water demand forecasting.
QUESTION
Hi I have a String ArrayList of ArrayList. A sample is shown below:
...ANSWER
Answered 2018-Dec-30 at 01:13You can group by index-0 element and collect index-1 elements in a Set
to get unique
QUESTION
I am trying to extract images from the Wikipedia API in my PHP page. But I am getting some unnecessary images in .svg extension. Is there a way i can avoid it .svg extension or just include .jpg extensions from the api request? I could see a variable called mediatype, but it was not working.
I am using the following api request url:
...ANSWER
Answered 2018-Jul-25 at 05:59Can't see anything in the API. I thought maybe you could use the imimages
parameter but it's only useful for matching the entire title
, eg
QUESTION
I have been struggling with HTML and CSS and i am trying to get the list in my drop down to display side by side, inline and center? Once i have figured out the correct method i will use the div with the class names "left", "middle" and "right" on all the drop down menus.
here is a pic of what i have got to:
So like you can see in the bath dropdown in the image above i have them in 3 columns they are not inline and there is a gap either side i cannot seem to remove? eventually i will have an extra column on each dropdown which will have a image in it.
Any help would be great and as with all my questions so far a brief description of why would be awesome just so i can get a better understanding as i am learning as i go.
here is a fiddle
...ANSWER
Answered 2018-Jul-17 at 09:09Add this to your css
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