980 questions
Best practices
0
votes
3
replies
77
views
Can a Composite Component class inherit from another abstract base class without breaking the Composite pattern?
I’m studying and implementing the Composite design pattern in C# for a university project.
In most textbook examples (GoF, Refactoring.Guru, etc.) the class hierarchy looks like this:
Component
├── ...
0
votes
0
answers
34
views
Alternative to setXORMode in Java for reversible graphics?
Is there an alternative to setXORMode in Java to do reversible graphics? I need to draw lines or rectangles, then redraw over them to undo them. AlphaComposite.Xor doesn't do it. A full repaint while ...
1
vote
0
answers
73
views
ERROR: input of anonymous composite types is not implemented
I am really confused.
I have this postgis query :
with
f as ( SELECT
ST_AsGeoJSON(p.geompos)::json As geometry,
row_to_json((p.id_client, p.design_site, p.adresse)) As properties
FROM ...
0
votes
0
answers
32
views
Element has no value in generating EDI Document
The instance's payload is complete and contains a complete value for each element, but when I run the program to generate the EDI Document, there is one element(DTM02) that does not have a value in ...
- 21
0
votes
1
answer
165
views
Android flingBehavior button to scroll back to start
I have a LazyRow containing multiple Card items that the user can scroll through. I wanted this to be snapping to each of these items, so I added flingBehavior to the LazyRow.
My question now is:
How ...
- 139
0
votes
0
answers
149
views
Using Composite and Visitor pattern to render a OpenGL scenegraph
I'm trying to implement a Open GL (4.6) setup with the Composite pattern (for a scene graph with Node, Cube and TransformNode classes) and the Visitor pattern (with a DrawVisitor to handle rendenring)....
0
votes
0
answers
84
views
composite unique key validation - laravel 11
Here i given below my table schema
Schema::create('yarn_work_order_items', function (Blueprint $table) {
$table->id();
$table->foreignId('yarn_work_order_id')->constrained('...
- 161
0
votes
1
answer
53
views
Using BindingListView with a composite predicate
I'm using BindingListView recommended here Generic IBindingListView Implementations and I wanted to apply a composite predicate as a BidingListView filter:
var lst = new List<DemoClass>
...
- 1,654
0
votes
1
answer
80
views
Laravel HasMany through composite key
I have 1:N relation where parent table LOCATIONS contains fields server_id and location_id and table DEVICES is related to the LOCATIONS throught fields server_id and location_id.
How can I establish ...
- 4,413
0
votes
1
answer
91
views
How to query dynamoDb by one to many fields in no specific order?
I'm trying to think of the best way to design a table for my database when I need a search screen.
Let's say I have a search screen of lastName, ssn, firstName, address.
I want a user to be able to ...
- 91
0
votes
0
answers
41
views
JPA Composite Primary and Foreign keys that only share 1 field
I have the following DB model (all fields are not nullable):
File SourceTypes
----------- -----------
country PK country PK
filename PK sourcetype PK
sourcetype sourcename
...
0
votes
1
answer
326
views
Expected [START_OBJECT] under [size], but got a [VALUE_NUMBER] in [composite]
I am getting this error when trying to query ElasticSearch (in case it matters, I am using python to query it):
elasticsearch.BadRequestError: BadRequestError(400, 'parsing_exception', 'Expected [...
0
votes
1
answer
216
views
How to convert GitHub actions output to environment vairiables?
Just to give some background, we are refactoring our action for fetching secrets and we are trying to keep it compatible with our old action, so that we don't have to rewrite all of the workflows to ...
- 43.1k
0
votes
0
answers
55
views
Representing Composite Types under ''
I'm currently using Neon to use Postgres from a serverless origin and have been needing to find a way to use ARRAY and ROW under ''s with no success.
Example
UPDATE communication.messages
SET ...
- 63
0
votes
1
answer
757
views
How to resolve Workday Composite Report error: Encountered unexpected error joiningBusinessObject cannot be null
I hope to ask a question about composite report building.
Context: I am building a composite report showing the number of leavers and active headcount by Country. So far, I have a matrix report as sub-...
- 41
0
votes
0
answers
144
views
How to pass derived object as rvalue reference into base class pointer members using move constructor?
I implemented composite design pattern for calculating the nested mathematical expressions modeled in a binary tree. I need to hold two base class pointers *left,*right in my derived composite class. ...
- 19
0
votes
1
answer
56
views
I have created a composite template , if i am adding 2 documents then 2 same tabs for signing are added but I want one signing tab for each document
I have created a composite template. for every document added in the composite template , there is same signing tab is added in the document eg- 3 documents then 3 tabs one over above. I want one tab ...
0
votes
0
answers
72
views
Composite desing pattern with UI tree editor MVC
Have any of you guys ever created an MVC RuleEngine UI editor with composite pattern in .NET Core?
How did you do that? I struggling with rendering that Tree and making it bindable to model for ...
- 13
2
votes
1
answer
175
views
When and where woocommerce_order_status_completed_notification hook is executed in WooCommerce?
I have WooCommerce 8.0.3 installed on my e-shop. In short, let's say I have an order with ID 123 in status processing. In a specific situation, I'm running this code:
// Make sure e-mails are ...
0
votes
1
answer
28
views
I want to display multiple modules in a project with a text box and browse button for selecting the input files
i am thinking how is it possible to generate dynamically the modules along with text and button
In the image there are three modules but there might be even five or six modules. Please help to ...
- 7
0
votes
0
answers
786
views
How can I have a condition based input variable definition in a composite workflow
I have a job that calls a composite action as below:
CHANGE_ORDER:
needs:
- SETVARS
runs-on: 'windows-latest'
steps:
- name: Process CO Change Order
uses: mmctech/...
- 3,195
0
votes
0
answers
355
views
While parsing a block mapping, did not find expected key. Failed to load github composite action.yml
Below is my caller action yml [Github Actions workflow] that gives error upon calling composite action:
---
name: RECYCLE_dev
workflow_dispatch:
inputs:
ENVIRONMENT:
type: ...
- 3,195
0
votes
1
answer
985
views
EF Core >= 7 : composite unique Index involving nested objects
I would like to add a composite unique index like this on Town having Zip as a ValueObject and Country as a navigation property whose Id is not explicitly specified :
x.HasIndex(t => new { t.Zip....
5
votes
1
answer
5k
views
Github composite action output can not be set from within a bash script
For one of my projects, I am setting an action output from within a bash script that is executed inside a composite action. I found that GitHub has excellent documentation on how to create a GitHub ...
- 590
0
votes
2
answers
83
views
How to increase String input for every time component method is called
I just started learning coding (mainly Java) for about 6 months at a University and now we just covered section of Composite design pattern (with Component, Leaf and Composite classes).
My class ...
- 3
0
votes
1
answer
193
views
flatmap in a composite pattern
I am learning design patterns and I stumbled upon a task that interested me, but I failed completing it. I have an interface Box, that has two extending class, let's call it Leaf and BoxContainer. I ...
- 7
0
votes
1
answer
75
views
I'm Trying to use this MULTIPLY composite effect made by Kristopher Ives. and I don't understand why my Datatype TYPE_INT doesn't match whats required
This is the new Composite class for a Multiply(Overlay) effect made by Kristopher Ives(Howto perform a MULTIPLY composite effect using Graphics2D). As far as I can tell he's been inactive for quite ...
- 17
1
vote
1
answer
451
views
General Protection Error after second 'New Downlaod' or 'Online Change'
I'm trying to build a composite pattern in Twincat 3.1.
Everything seems to work fine on Activate Configuration and the first new download or online change. The second new download causes General ...
- 23
1
vote
1
answer
424
views
Is there a way to compose a batch of images with imagemagick?
I have a series of PNG images (ABC_a.png, ABC_b.png, XYZ_a.png, XYZ_b.png, BCA_a.png, BCA_b.png etc.) and would like to compose every image of the same code (i.e. the name of an image without _a or _b)...
- 31
0
votes
2
answers
596
views
Ruby: why doesn't calling super.method work from subclass
I apologize up front. I'm going to struggle articulating this question.
TL;DR - I have an object I'm using to call a method in the subclass. That method needs access to a method in a parent class (...
- 1,626
0
votes
1
answer
509
views
File System using composite pattern
I'm trying to build a File system such that contains the following classes: FileSystem, Directory, File.
My code is:
public class FileSystem {
private List<Directory> ld;
public ...
- 125
0
votes
1
answer
171
views
IndexedDB composite index partial match
I can't find an answer to this anywhere.
I have an indexeddb composite index of a group id and a time, which I use to sort.
let tmp_CREATEDTIMEindex = texts.index('GROUP_ID, CREATEDTIME');
This works ...
- 73
0
votes
0
answers
90
views
How to print in my class like tree command in unix?
I am trying really hard to make my code to print the files and the directories in the same way that the command 'tree' in unix print.
What do I need to do so it will work? I'm stuck on it to much ...
0
votes
1
answer
693
views
Need my Object Code to return a string and convert object into a string
My code works and outputs "This is Bob Martin from USA."
However, I want my code to: 1.) Have function printBio(user) return a string. The return value from the function should be a string. ...
- 11
0
votes
2
answers
535
views
How to print a return statement from an Object in JavaScript?
so Im trying to get my code to print out a message that returns 'This is Bob Martin from USA'.
This is what I did so far. I've been trying to figure out what went wrong but can't seem to get this to ...
- 11
0
votes
0
answers
70
views
Interaction between 2 components with Composite pattern
So I'm currently refactoring this "CardElement" system that had logic related to "When claim button is clicked, lockIcon object deactivates" but i want to split up this CardElement ...
0
votes
0
answers
118
views
PSD file convert into png format and apply watermark on formatted png file, But watermark's original colour is missing
original file
Watermark img
After apply watermark
Code for PSD to PNG conversion:
/usr/local/bin/convert /tmp/1657736296-sample1.psd /tmp/sample1.png
Code for watermark apply on converted PNG file
...
- 59
0
votes
1
answer
63
views
png watermark images not apply on psd file using imagemagick
/usr/local/bin/composite -gravity center "/tmp/watermark_12809_1657557870.png" "/tmp/1657557870-sample1.psd" "Rams_1657557871.psd"
- 59
2
votes
1
answer
100
views
Can I call this an implementation of the Composite Pattern
I have this design which I self-proclaim to be Composite Pattern, though I'm not entirely sure about that. So I'm aksing for your statement on this.
This is the interface which collectively describes ...
- 300
1
vote
0
answers
40
views
Is there a way to efficiently get three layer aggrigations result in elasticsearch, where each layer is conditioned by above one
I am trying to get composite aggregation for certain feilds which are present in each document. These documents are stored in elastic.
Format of each document is a json with below mentioned keys.
{&...
- 11
0
votes
1
answer
1k
views
How to use Jimp composite in Javascript to layer images
I'm trying to create in image generator where I can create all permutations of an image given different elements on 3 layers. I have managed to get the three folders into arrays and am trying to use ...
0
votes
1
answer
605
views
SQLAlchemy Multitype columns - Hybrid Property querying
I have several tables in my PostgreSQL database that need to contain timeseries like information in an IoT-link context, that require several data types supported for the value of each point in the ...
- 310
0
votes
1
answer
114
views
Matching sums of consecutive elements of two sets
Given two sets of integers P and C of the same length. How can I find ALL matching sums of consecutive elements at the same starting and ending positions in the two sets, including overlapping subsets?...
- 65
0
votes
2
answers
60
views
Getting a TypeError: 'int' object is not subscriptable
I have the following code. I want to start the for loop at the index found in the for loop. essentially, I'm slicing the list (R_sigma11, etc.) into two to search for duplicate numbers in that list ...
2
votes
1
answer
148
views
Good OO way to categorize related objects in a model in java
I have a class Vehicles with three list fields, namely:
turboVehicles : List<ITurboVehicle>,
trailerVehicle : List<ITrailerVehicle>,
vehicles : List<IVehicle>, (containing all ...
- 47
0
votes
1
answer
2k
views
VertX Multiple Futures returning a Future
I am trying to call 3 futures, wait for them to complete, process the results and then return all of this also as a Future. I cant seem to figure out how to "wrap" the 3 futures in a future ...
- 67
0
votes
1
answer
281
views
Interface literals in Go
First to clarify the title, I know there is no such thing as interface literals in Go but I couldn't come up with another name for this issue.
I was reading some Go code and found a weird construct, ...
- 71
0
votes
2
answers
483
views
Is the relationship between a View and a Controller in MVC really just a Strategy pattern?
The Gang of Four book states the following:
[...] The main relationships in MVC are given by the Observer, Composite and Strategy design patterns.
The best example of this I could find was this ...
- 6,107
0
votes
0
answers
103
views
Does the composite design patterm adhere the principles of SOLID (spacialy the L and the I)? [duplicate]
Does the composite design template adhere to the principles of solid?
if all the compositing method are declared at the component its violation of the Interface Segregation Principle. if compositing ...
0
votes
1
answer
82
views
How to set a composite to the right side of the screen
I have created 2 labels and I wish to move these labels to the right most side of the screen. I have created a new composite for the 2 labels and set the labels with the label composite. But now the ...
- 1