pattern.js | A PEG-based pattern matching parser generator | Runtime Evironment library
kandi X-RAY | pattern.js Summary
kandi X-RAY | pattern.js Summary
Pattern.js is a library of composable pattern generating functions for processing strings and hierarchical data structures. It produces patterns that can be used to match against input strings and objects. In addition, pattern.js contains a mini-DSL for composing complex patterns and grammars in a succint syntax (see [Pattern DSL] #DSL)).
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Trending Discussions on pattern.js
QUESTION
I have read an interesting article that suggests to use a custom usechildProps hook to directly write dynamic elements in the parent rather than sending props. The article is here: https://medium.com/the-guild/the-coolest-most-underrated-design-pattern-in-react-cd6210956203
Basically, instead of writing:
...ANSWER
Answered 2021-Apr-02 at 00:23As the error says, you are trying to use an object as a react component (childProp.title, and childProp.content). It seems you want to use their children as "content".
QUESTION
Question 1: Stream (10 points)
...
By constructing a single stream pipeline, complete the following pattern method to generate the output as shown in the sample jshell session.
Assume that the answer is saved in the file pattern.jsh, and begin your answer with:
ANSWER
Answered 2020-Aug-21 at 11:49Here's one way to do it: for each number x in range 5 to 1 generate a sequence of y 5 to 1. If y > x, emit ".", otherwise emit y.
QUESTION
I'm using the Jqueryvalidation plugin and have added the pattern additional method but I can't seem to get my regular expression to work.
My regexp is as follows
/((?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[\W]).{6,64})/
Demo at jsfiddle
I'm not very good at these. Can anyone see what might be going wrong please?
UPDATE
Apologies, I really need to stop writing questions when I'm in a rush to be somewhere and make sure they are up to the minimum requirements. I am aware I did not include enough code so I will give this another go. Thank you for all the comments so far.
I am using the jqueryvalidation plugin to check user input before they can submit a form. I have added one of the "additional methods" from the plugins official GitHub which is is the pattern method. This method has the code as follows
...ANSWER
Answered 2019-Sep-02 at 00:17Thanks to @CertainPerformance for their help. This is what fixed it for me
In my rules I changed this line
QUESTION
Hi I'm trying to follow a tutorial on angular but the tutorial was made in September. I believe the person used angular-cli 1.3.2. I'm not sure which version of rxjs he was using. I'm using angular cli 6.0.0 and angular 6 with rxjs 6.1.0.
I am running into a problem where calling .map on observable is not found.
Is there a new way in angular 6 or rxjs to achieve what the tutorial is trying to do? Here is my .ts file:ERROR in xxx/xxx/dataService.ts(19,14): error TS2339: Property 'map' does not exist on type 'Observable'.
I looked into the Observable class and I don't see a function called map.
ANSWER
Answered 2019-Jun-21 at 06:28In rxjs@6 you can use from as standalone function:
QUESTION
I have this data clause first:
...ANSWER
Answered 2018-Dec-22 at 00:25According to the Terraform documentation the state of a data source will be "updated during Terraform's 'refresh' phase, which by default runs prior to creating a plan." So that'd mean that it's called once
If you easily want to verify it yourself, create a RequestBin and use the given URL in your Terraform configuration. After giving the page a refresh, you can see what requests are made.
QUESTION
I'd like to drag a Konva layer even if empty. I see that I can drag the layer only where objects are present (the code shows that you can drag where the rectangle is but nowhere else).
How can I drag the layer dragging empty parts?
Moreover, I see that also the mouseenter and mousleave aren't respected if you are out of the objects of the layer.
...ANSWER
Answered 2018-Nov-13 at 13:17Konva does not detect events on empty space of layers. And it is unclear how can it do it if you have several layers on the stage.
If you still need to listen on empty layers and make a layer draggable at any space you can:
Make stage draggable instead and listen events on it (
clickwill work on empty space too).Add a transparent rectangle as a background, so it will be used to listen to events:
QUESTION
I am trying to install Kendo UI in an Angular 4 application and I am getting all kinds of errors.
First, I ran this command:
...ANSWER
Answered 2018-Feb-02 at 15:49I recently had the same issue. This message: npm WARN saveError invalid: have rxjs@5.4.2 (expected: 5.5.0) explains your issue. Update your rxjs version to 5.5.0 or newer.
QUESTION
I have a simple extension where I use Cu.import to import a JavaScript code module. But, when I load the extension, I get this error:
ANSWER
Answered 2017-Jun-18 at 04:17Components in WebExtensions
For the older Firefox extension types, the Components Object provided access to low-level capabilities in Firefox. The common aliases are:
Cc = Components.classesCi = Components.interfacesCu = Components.utilCr = Components.resultsCm = Components.managercomponents = Components
In the Add-on SDK these were described in the Chrome Authority documentation and were available by using
QUESTION
So in my registration form I have this field:
...ANSWER
Answered 2017-Mar-20 at 12:06You can add your custom validation using $.validator.addMethod() like:
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