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article is a JavaScript library typically used in Utilities applications. article has no bugs, it has no vulnerabilities and it has low support. However article has a Non-SPDX License. You can download it from GitHub.

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Community Discussions

Trending Discussions on article

How strict is the mvc pattern with model and view interactions?

Excel: Display collection of month names generated from start and end date?

How to make background images load faster

General approach to parsing text with special characters from PDF using Tesseract?

Is There a Way to Cause Powershell to Use a Particular Format for a Function's Output?

Not getting Cascadia Code PL in Powershell

comment a line of code if checkbox checked Pysimplegui

How to convert function based views to class based views in Django RestFramework?

Is there a way to restart an Unity app on Android?

How to I expand JSON data in kusto/data explorer that has nested data?

QUESTION

How strict is the mvc pattern with model and view interactions?

Asked 2021-Jun-16 at 01:01

I am confused about how model and view can interact

I was making a simple to do app with mvc pattern and I saw an article which said you shouldn't pass the model values directly to the view, which made the project more complex than I thought (I am relatively new to programming and this is the first time I am trying out a design pattern).

But then later on I talked to someone who said that that is not true and you can send the model data directly to view, he didn't even use classes or some kind of grouping to separate the function he just put them in separate files.

I was wondering if there is a guideline that I couldn't find or we can do whatever we want as long as they are kind of separated. I would love an article or a guide to read up on as well.

...

ANSWER

Answered 2021-Jun-16 at 01:01

Since, I am not 100% sure the context in which you are trying to apply the MVC pattern, a good generic explanation of MVC can be found in GoF's 1995 book, Design Patterns: Elements of Reusable Object Oriented Software.

In the book, they state the following.

The Model is the application object, the View is its screen presentation, and the Controller defines the way the user interface reacts to user input.

A more robust explanation can be found from Martin Fowler where he also makes the case for a variation of Model View Controller that uses a Presentation Model.

If you are referring to Spring MVC then there is some magic that blurs the lines a bit. But in general, you have a controller that represents some screen or an encapsulated piece of functionality that the user (web requests) interact with. The controller serves up responses that are derived from the domain, usually via a Spring Service (i.e. @Service). The domain (Model) doesn't know anything about the View and the View may or may not know anything about the domain.

Given that, the View should be derived from the Model. But that's not always the case since sometimes how we present things to a screen is not the best logical way to model things in our domain - not to mention, the domain should be presentation agnostic. This leads into Fowler's argument for a Presentation Model, which is a model that belongs to the Presentation.

I call this a Presentation Model because it's a model that is really designed for and thus part of the presentation layer.

Microsoft took that idea and ran with it in a variant of MVC called MVVM (Model View ViewModel).

You can read more about that in Microsoft's documentation on ASP.Net Core.

So, back to your original question of "Should you pass the model directly to the view?" If you are using MVC then the controller is what provides the interaction. But if you're really asking, "Can you bind your view directly to the model?" If your model has all the stuff you need organized how your view needs it, then sure. And if it's simple enough, maybe that's the way to go. Otherwise, you could go with something like a Presentation Model or MVVM.

Source https://stackoverflow.com/questions/67993373

QUESTION

Excel: Display collection of month names generated from start and end date?

Asked 2021-Jun-15 at 22:30

I am trying to generate a table to record articles published each month. However, the months I work with different clients vary based on the campaign length. For example, Client A is on a six month contract from March to September. Client B is on a 12 month contract starting from February.

Rather than creating a bespoke list of the relevant months each time, I want to automatically generate the list based on campaign start and finish.

Here's a screenshot to illustrate how this might look:

Below is an example of expected output from the above, what I would like to achieve:

Currently, the only month that's generated is the last one. And it goes into A6 (I would have hoped A5, but I feel like I'm trying to speak a language using Google Translate, so...).

Here's the code I'm using:

...

ANSWER

Answered 2021-Jun-15 at 11:11

Make an Array with the month names and then loop trough it accordting to initial month and end month:

Source https://stackoverflow.com/questions/67984399

QUESTION

How to make background images load faster

Asked 2021-Jun-15 at 22:23

Most of my WordPress websites have a background image in the top fold. These images are the Largest Contentful Paint Element on the page and usually they get loaded last. Somewhere I read that 'Background images are last in line to be grabbed when a page is loaded'. Is it true?
Is it a good idea to use a place holder or image in the place of the background image and then change it later so that the LCP gets loaded quickly like below.

...

ANSWER

Answered 2021-May-14 at 01:42

You don't want to use a placeholder image to prioritize your background images in situations like this, you want to use . That will tell the browser to start downloading the image as soon as possible.

Try adding the following code to the of your page, and then use your background image as normal. It should load much faster:

Source https://stackoverflow.com/questions/67518245

QUESTION

General approach to parsing text with special characters from PDF using Tesseract?

Asked 2021-Jun-15 at 20:17

I would like to extract the definitions from the book The Navajo Language: A Grammar and Colloquial Dictionary by Young and Morgan. They look like this (very blurry):

I tried running it through the Google Cloud Vision API, and got decent results, but it doesn't know what to do with these "special" letters with accent marks on them, or the curls and lines on/through them. And because of the blurryness (there are no alternative sources of the PDF), it gets a lot of them wrong. So I'm thinking of doing it from scratch in Tesseract. Note the term is bold and the definition is not bold.

How can I use Node.js and Tesseract to get basically an array of JSON objects sort of like this:

...

ANSWER

Answered 2021-Jun-15 at 20:17

Tesseract takes a lang variable that you can expand to include different languages if they're installed. I've used the UB Mannheim (https://github.com/UB-Mannheim/tesseract/wiki) installation which includes a ton of languages supported.

To get better and more accurate results, the best thing to do is to process the image before handing it to Tesseract. Set a white/black threshold so that you have black text on white background with no shading. I'm not sure how to do this in Node, but I've done it with Python's OpenCV library.

If that font doesn't get you decent results with the out of the box, then you'll want to train your own, yes. This blog post walks through the process in great detail: https://towardsdatascience.com/simple-ocr-with-tesseract-a4341e4564b6. It revolves around using the jTessBoxEditor to hand-label the objects detected in the images you're using.

Edit: In brief, the process to train your own:

Install jTessBoxEditor (https://sourceforge.net/projects/vietocr/files/jTessBoxEditor/). Requires Java Runtime installed as well.
Collect your training images. They want to be .tiffs. I found I got fairly accurate results with not a whole lot of images that had a good sample of all the characters I wanted to detect. Maybe 30/40 images. It's tedious, so you don't want to do TOO many, but need enough in order to get a good sampling.
Use jTessBoxEditor to merge all the images into a single .tiff
Create a training label file (.box)j. This is done with Tesseract itself. tesseract your_language.font.exp0.tif your_language.font.exp0 makebox
Now you can open the box file in jTessBoxEditor and you'll see how/where it detected the characters. Bounding boxes and what character it saw. The tedious part: Hand fix all the bounding boxes and characters to accurately represent what is in the images. Not joking, it's tedious. Slap some tv episodes up and just churn through it.
Train the tesseract model itself

save a file: font_properties who's content is font 0 0 0 0 0
run the following commands:

tesseract num.font.exp0.tif font_name.font.exp0 nobatch box.train

unicharset_extractor font_name.font.exp0.box

shapeclustering -F font_properties -U unicharset -O font_name.unicharset font_name.font.exp0.tr

mftraining -F font_properties -U unicharset -O font_name.unicharset font_name.font.exp0.tr

cntraining font_name.font.exp0.tr

You should, in there close to the end see some output that looks like this:

Master shape_table:Number of shapes = 10 max unichars = 1 number with multiple unichars = 0

That number of shapes should roughly be the number of characters present in all the image files you've provided.

If it went well, you should have 4 files created: inttemp normproto pffmtable shapetable. Rename them all with the prefix of your_language from before. So e.g. your_language.inttemp etc.

Then run:

combine_tessdata your_language

The file: your_language.traineddata is the model. Copy that into your Tesseract's data folder. On Windows, it'll be like: C:\Program Files x86\tesseract\4.0\tessdata and on Linux it's probably something like /usr/shared/tesseract/4.0/tessdata.

Then when you run Tesseract, you'll pass the lang=your_language. I found best results when I still passed an existing language as well, so like for my stuff it was still English I was grabbing, just funny fonts. So I still wanted the English as well, so I'd pass: lang=your_language+eng.

Source https://stackoverflow.com/questions/67991718

QUESTION

Is There a Way to Cause Powershell to Use a Particular Format for a Function's Output?

Asked 2021-Jun-15 at 18:42

I wish to suggest (perhaps enforce, but I am not firm on the semantics yet) a particular format for the output of a PowerShell function.

about_Format.ps1xml (versioned for PowerShell 7.1) says this: 'Beginning in PowerShell 6, the default views are defined in PowerShell source code. The Format.ps1xml files from PowerShell 5.1 and earlier versions don't exist in PowerShell 6 and later versions.'. The article then goes on to explain how Format.ps1xml files can be used to change the display of objects, etc etc. This is not very explicit: 'don't exist' -ne 'cannot exist'...

This begs several questions:

Although they 'don't exist', can Format.ps1xml files be created/used in versions of PowerShell greater than 5.1?
Whether they can or not, is there some better practice for suggesting to PowerShell how a certain function should format returned data? Note that inherent in 'suggest' is that the pipeline nature of PowerShell's output must be preserved: the user must still be able to pipe the output of the function to Format-List or ForEach-Object etc..

For example, the Get-ADUser cmdlet returns objects formatted by Format-List. If I write a function called Search-ADUser that calls Get-ADUser internally and returns some of those objects, the output will also be formatted as a list. Piping the output to Format-Table before returning it does not satisfy my requirements, because the output will then not be treated as separate objects in a pipeline.

Example code:

...

ANSWER

Answered 2021-Jun-15 at 18:36

Although they 'don't exist', can Format.ps1xml files be created/used in versions of PowerShell greater than 5.1?

Yes; in fact any third-party code must use them to define custom formatting.
- That *.ps1xml files are invariably needed for such definitions is unfortunate; GitHub issue #7845 asks for an in-memory, API-based alternative (which for type data already exists, via the Update-TypeData cmdlet).
It is only the formatting data that ships with PowerShell that is now hardcoded into the PowerShell (Core) executable, presumably for performance reasons.

is there some better practice for suggesting to PowerShell how a certain function should format returned data?

The lack of an API-based way to define formatting data requires the following approach:

Determine the full name of the .NET type(s) to which the formatting should apply.
- If it is [pscustomobject] instances that the formatting should apply to, you need to (a) choose a unique (virtual) type name and (b) assign it to the [pscustomobject] instances via PowerShell's ETS (Extended Type System); e.g.:
  - For [pscustomobject] instances created by the Select-Object cmdlet:

Source https://stackoverflow.com/questions/67990004

QUESTION

Not getting Cascadia Code PL in Powershell

Asked 2021-Jun-15 at 15:24

I wanted to get started with posh and oh-my-posh so I installed them according to this article. Microsoft docs. I got the theme but the edges didn't had that arrow(that coolness).

I then downloaded the windows terminal and edited the setting.json there with

...

ANSWER

Answered 2021-Feb-19 at 17:57

If I understand correctly, there are two parts to the question.

Changing the PowerShell Window Font

To do this, right-click your PowerShell window and head to "Properties"

There, you can choose the header "Font" and change your font to Cascadia Code PL".

This should fix the problem. If you still experience some weird characters, you might need to install a Nerd Font instead.

Changing the VS Code Terminal Font

To use the font in the VS Code Terminal, head to Settings.

Searching for "integrated terminal font family" should bring up the setting you need to edit. Here, add your font 'Cascadia Code PL' on the very front of the setting and save.

Integrated:Font Family"" />

You should now be able to open a terminal and use the PL prompt.

Source https://stackoverflow.com/questions/66042480

QUESTION

comment a line of code if checkbox checked Pysimplegui

Asked 2021-Jun-15 at 14:49

how can i comment/uncomment a line of code by checking and unchecking a checkbox in python with PySimpleGUI?

also i don't know if i wrote the code in correct way but i'm just trying to comment a line of code by checking the checkbox

any other way to do it is also fix my problem

This is my code

...

ANSWER

Answered 2021-Jun-15 at 13:23

Following code show how to stop a thread to update time by a checkbox.

Source https://stackoverflow.com/questions/67986191

QUESTION

How to convert function based views to class based views in Django RestFramework?

Asked 2021-Jun-15 at 14:30

I am a beginner learning the Django RestFramework. I had created this for an blog post page for my project. I looked through different tutorials and posts but couldn't really figure out. Can you help me converting this functional view into a class view? Thanks

...

ANSWER

Answered 2021-Jun-15 at 14:30

from rest_framework import generics

class PostList(generics.ListCreateAPIView):
    queryset = Post.objects.all()
    serializer_class = PostSerializer


class PostDetail(generics.RetrieveUpdateDestroyAPIView):
    queryset = Post.objects.all()
    serializer_class = PostSerializer

Source https://stackoverflow.com/questions/67986903

QUESTION

Is there a way to restart an Unity app on Android?

Asked 2021-Jun-15 at 11:09

I know it is not a good practice to do so but in my particular case it is exactly what I need : I to be able to restart my Unity application (from a native plugin or C#, doesn't matter).

I have tried the code from this link (and even from pure C# here) without success.

...

ANSWER

Answered 2021-Jun-15 at 11:09

What do you exactly mean with the restart app? If you want to restart the game or a specific scene you can just Load that scene in Unity with:

Source https://stackoverflow.com/questions/67984329

QUESTION

How to I expand JSON data in kusto/data explorer that has nested data?

Asked 2021-Jun-15 at 10:19

I am trying to ingest JSON array data into Azure data explorer, as per this Microsoft article. (Only the JSON Array section) https://docs.microsoft.com/en-us/azure/data-explorer/ingest-json-formats?tabs=kusto-query-language

I have one table with two columns(messageId,Message) message contain json data and i want to extract this data into different columns. all of the fields from the array are just blank.

enter code here { 'data': { 'type': 'ABC', 'id': '1234567890', 'attributes': { 'event': 'update', 'logged_at': '2021-06-03T15:41:22.000Z', 'heartbeat_id': '12345678', 'gps_valid': True, 'gps': { 'distance_diff': 0.22, 'total_distance': 127.79 }, 'hdop': 12, 'fuel_level': 180.4, 'relative_position': { 'distance': '3', 'country_code': 'Uk' } },`

CODE: AMO | mv-expand data = message.data | extend type = data.type, id = data.id` }

...

ANSWER

Answered 2021-Jun-15 at 10:19

If I understand correctly, there's no property-bag/array you need to expand (using mv-expand), rather you can extend/project the properties of your choice directly, e.g:

Source https://stackoverflow.com/questions/67981194

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