volt | Ruby web framework where your Ruby runs
kandi X-RAY | volt Summary
kandi X-RAY | volt Summary
For the current status of Volt, read: Volt is a Ruby web framework where your Ruby code runs on both the server and the client (via Opal). The DOM automatically updates as the user interacts with the page. Page state can be stored in the URL. If the user hits a URL directly, the HTML will first be rendered on the server for faster load times and easier indexing by search engines. Subsequent local page interactions will be rendered on the client. Instead of syncing data between the client and server via HTTP, Volt uses a persistent connection between the client and server. When data is updated on one client, it is updated in the database and any other listening clients (with almost no setup code needed). Page HTML is written in a templating language where you can put Ruby between {{ and }}. Volt uses data flow/reactive programming to automatically and intelligently propagate changes to the DOM (or to any other code that wants to know when a value has changed). When something in the DOM changes, Volt intelligently updates only the DOM nodes that need to be changed.
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QUESTION
To generate a csv file where each column is a data of sine wave of frequency 1 Hz, 2 Hz, 3Hz, 4Hz, 5Hz, 6Hz and 7 Hz. The amplitude is one volt. There should be 100 points in one cycle and thus 700 points in seven waves.
...ANSWER
Answered 2022-Mar-03 at 13:45Here is how I will go about it:
QUESTION
I have Following data structure
...ANSWER
Answered 2022-Feb-10 at 18:00Try following :
QUESTION
I'm feeding the current (I in Ampere) and voltage (U in Volt) of a wallbox every 10 seconds into a prometheus instance. The wallbox naturally reports higher current when it is plugged into an electric vehicle and a lower current when its not (some baseline current still persists of course for the wallbox' connectivity functionality).
Now I'm quite new to Prometheus and PromQL and was wondering how I'd go on and actually get aggregated data out from these single points in time, namely I want to get Watt Hours and aggregate further on those.
IIRC electrical work is calculated by W = U x I x t, so my idea was to somehow sum up the individual values up until a total value for an hour, like so:
ANSWER
Answered 2022-Feb-12 at 18:17The following query should return energy consumption during last hour if current and voltage metrics are collected every 10 seconds:
QUESTION
I have a txt file which looks like that:
...ANSWER
Answered 2022-Feb-11 at 15:15You can use regular expressions to get the values and the titles in lists, then use them.
QUESTION
Before I start, I want to thank you for taking the time to help me with this issue.
I have a folder filled with hundreds dat time series files. Equally, each file has hundreds of rows of time series data. As an example, here are the four header rows and five data rows for two files:
...ANSWER
Answered 2022-Feb-03 at 01:36I think this is probably close to what you want:
QUESTION
I'm a beginner at R and I've been having some trouble with this specific data set.
I've downloaded the newsatlasbr package (https://github.com/voltdatalab/newsatlasbr), which was "created to give easier access to the datasets of the News Atlas project, which is an initiative that researches and maps news organizations in the Brazilian territory".
When I run organizations_state(uf = "All"), I have access to data from news vehicles from every single Brazilian state. The generated dataframe (let's say, vehicles <- organizations_state(uf = "All"), comes with columns such as :
ANSWER
Answered 2022-Jan-27 at 21:40A dplyr approach
We need to first extract the desired list-columns with pull.
Second, we can map regular dplyr filter to get only elements with channel_id == 1, then select the link column,
Finally, bind the elements back together with bind_rows.
If we would rather have a vector of links instead of a data.frame, we can replace bind_rows with unlist %>% unname
QUESTION
I have a FITS file with a BinTableHDU that has many entries that have been converted from digital numbers various units like Volts and Currents. I would like to turn off this conversion and access the original digital number value that was stored in the table.
This table makes use of TTYPE, TSCAL, TZERO, and TUNIT keys in the header to accomplish the conversions. So I could use these header keys to undo the conversion manually.
ANSWER
Answered 2022-Jan-15 at 10:39You'll need to be using the direct astropy.io.fits interface instead of the high-level Table interface. From there something like this might work:
QUESTION
I have two features datetime and volt for 1000 machineIDs. I am printing datetime and volt using matplotlib. Now, some machineIDs have unique values like there are 6-7 unique lines and hence there are multiple lines on the graph. Like this,
I want to segregate these lines in different colors for different machineIDs. Problem is I am plotting for datetime and volt only . So how do I do this?
Here is a sample data
...ANSWER
Answered 2021-Dec-22 at 10:19Here is how you can go about it:
QUESTION
I have a timeseries dataframe with a column volt. I have applied rolling window operation on this dataframe with wondow of 24H. The code to rolling window is
ANSWER
Answered 2021-Dec-15 at 07:18Use level instead on and add aggregate function:
QUESTION
I have a data with Y and X1, X2 which has different dimension, like X1 = xxxx Volt, X2 = xx hour.
To make regression model with this data, I used code below.
...ANSWER
Answered 2021-Dec-06 at 10:14The preferred way would be:
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Install volt
On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.
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