substation | Implement application boundary interfaces with a chain
kandi X-RAY | substation Summary
kandi X-RAY | substation Summary
Think of substation as some sort of domain level request router. It assumes that every usecase in your application has a name and is implemented in a dedicated object that will be referred to as an action. The only protocol such actions must support is #call(request). The contract for actions specifies that when invoked, they can receive arbitrary input data which will be available in request.input. Additionally, request.env contains an arbitrary object that represents your application environment and will typically provide access to useful things like a logger and probably some sort of storage engine abstraction object. Furthermore, request.name will contain the action name the Substation::Dispatcher used when dispatching to an action. The contract further specifies that every action must return an instance of either Substation::Response::Success or Substation::Response::Failure. Again, arbitrary data can be associated with any kind of response, and will be available in response.output. To indicate wether invoking the action was successful or not, you can use response.success?. In addition to that, response.request contains the request object used to invoke the action. Substation::Dispatcher stores a mapping of action names to the actual objects implementing the action, as well as the application environment. Clients can use Substation::Dispatcher#call(name, input) to dispatch to any registered action. For example, a web application could map an http route to a specific action name and pass relevant http params on to the action.
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Top functions reviewed by kandi - BETA
- Notify the response .
- Call an exception for an exception .
- Register a new chain .
- Create a dispatcher instance .
- Execute the state of this state .
- Creates a new instance of the current instance .
- Output a Response .
- Create a new response
- Instantiate the state of the state .
- Decomposes an application .
substation Key Features
substation Examples and Code Snippets
Community Discussions
Trending Discussions on substation
QUESTION
** I want to change the image src on mouseover, i have added multiple images dynamically.**
ANSWER
Answered 2021-Apr-24 at 05:23Make the following modifications in the code:
QUESTION
I want to show only 20 characters by default after a click on Read more button full content should be visible.
...ANSWER
Answered 2021-Apr-25 at 12:33You can add a new state into your Card Component to control what to show.
QUESTION
I am trying to make some tree-array with checkbox.
The problem is the last line or the 2nd array for "document.getElementsByName
("engrName")..." it did not function same with the first array "document.getElementsByName("subName")"
ANSWER
Answered 2021-Mar-04 at 05:11Like I see, you are trying to itterate in a group of DOM objects. The problem in your script is not the fact that the second array doesn't work. The first getElementsByName("subName")
doesn't work too. You can't append in directly in a group of DOM object. I suggest you to itterate with a for loop.
Like this
QUESTION
I created a fiddle with sample data, but of course it still does not work
http://jsfiddle.net/jp2code/q1v4xewc/28/
I have remote data coming in to a kendo grid, and I am trying to process summary information by going through the data for updating a Highchart pie graph.
...ANSWER
Answered 2021-Feb-16 at 16:37I have a version that runs. I'm trying to get JSFiddle to show what I did, but I can't figure out it's interface:
QUESTION
I need to display a summary report using Highcharts with 4 pie graphs and 1 bar graph.
This is a screenshot of the specs:
All of the examples on Highcharts only show a single graph, and I am not sure how to get the controls small enough to fit on the top of the page or how to show all of them at one time.
In their pie example, they have a single
ANSWER
Answered 2021-Jan-29 at 16:23this is a very simple example. but I suggest you dive into bootstrap taht has a very nice grid system stylesheet, and other useful css/js stuff
QUESTION
I am trying out change streams using pymongo to check for an update in my collection. It works and returns the updated collection.
...ANSWER
Answered 2020-Dec-26 at 17:03You can add project stage after the match to suppress the fields you need:
QUESTION
I am creating a Pivot Table programmatically in c#. the code fines when the Source data ( which is a sheet in excel). It works fine till the source sheets contains 65536 rows, more than that, an error appears which says
Type mismatch. (Exception from HRESULT: 0x80020005 (DISP_E_TYPEMISMATCH))
This is the Code:
...ANSWER
Answered 2020-Nov-07 at 09:25Excel 2003 you had a limit of 65535 rows, check the version of the interop libraries you are using.
The name of the library for 2003 is "Microsoft Excel 12.0 Object Library", the name for 2010 is "Microsoft Excel 15.0 Object Library".
If you change your references to 15+ you should be able to use up to a million ish rows.
Interop libraries use the COM (Component Object Model) interface, the Excel application will need to be installed on the dev machine and the machine the application will be running on. You can't distribute the interops as part of your application, they need to be available on the machines GAC
QUESTION
I am not able to take (let say) top 10 categories of my feature in hue
as well as col
parameter using catplot
graph in seaborn.
ANSWER
Answered 2020-Sep-15 at 18:37- As per
seaborn.catplot
col_feature
andhue_feature
are strings, and a string can't be used for.
notation when accessing a dataframe column.data.col_feature
is equivalent todata.'nationality'
and won't work- Use
data[col_feature]
which is equivalent todata['nationality']
- The
col
parameter expects a column name,col='nationality'
, not an array of values from inside the column.data[col_feature].value_counts()[:10].index
can't be used
- The
hue
parameter also expects a column name,'hue='group'
, not an array.data[hue_feature].value_counts()[:10].index
can't be used
- Any type of feature selection should happen to the dataframe before it is sent to
catplot
.
QUESTION
I have a 20k line XML file in a SQL table with XML data type.
Below is subsection of the file.
I need to find all System nodes for a particular DF ID
Here is my query, the query returns all system nodes not the system nodes for DF Id=1.
...ANSWER
Answered 2020-Jun-30 at 22:34Please try the following.
SQL
QUESTION
There is a thing bothering me regarding the creation of a dynamic dictionary in ansible. I have tried the following:
...ANSWER
Answered 2020-Jun-23 at 15:46Trying to compose a structured data type such as JSON or YAML using string templates is the road to ruin
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Install substation
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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