Cent | Extensions for Swift Standard Types and Classes
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QUESTION
I am developing a modular WPF application with Prism in .Net Core 5.0 (using MVVM, DryIoc) and I would like to have a module that is not a WPF module, i.e., a module with functionality that can be used by any other module. I don't want any project reference, because I want to keep the loosely coupled idea of the modules. My first question is: is it conceptually correct? Or is it mandatory that a module has a screen? I guess it should be ok.
The second and more important (for me) is, what would be the best way to create the instance?
This is the project (I know I should review the names in this project):
HotfixSearcher is the main class, the one I need to get instantiated. In this class, for example, I subscribe to some events.
And this is the class that implements the IModule interface (the module class):
ANSWER
Answered 2021-Jun-14 at 18:20Or is it mandatory that a module has a screen?
No, of course not, modules have nothing to do with views or view models. They are just a set of registrations with the container.
what would be the best way to create the instance?
Let the container do the work. Normally, you have (at least) one assembly that only contains public interfaces (and the associated enums), but no modules. You reference that from the module and register the module's implementations of the relevant interfaces withing the module's Initialize method. Some other module (or the main app) can then have classes that get the interfaces as constructor parameters, and the container will resolve (i.e. create) the concrete types registered in the module, although they are internal or even private and completely unknown outside the module.
This is as loose a coupling as it gets if you don't want to sacrifice strong typing.
is there a way to get rid of that
var searcher = containerProvider.Resolve();and a better way to achieve this?
You can skip the var searcher = part :-) But if the HotfixSearcher is never injected anywhere, it won't be created unless you do it yourself. OnInitialized is the perfect spot for this, because it runs after all modules had their chance to RegisterTypes so all dependencies should be registered.
If HotfixSearcher is not meant to be injected, you can also drop IHotfixSearcher and resolve HotfixSearcher directly:
QUESTION
I'm trying to deploy my Laravel Websockets application as part of my Laravel 8 API project. Everything works locally, but after deploying I'm unable to connect to port 6001 on my website's domain, which is a sub-domain.
I'm using a Cent OS 8 server with Apache and already have port 80 open to my website on https://api.example.com/, and in order for my site on https://site.example.com/ I've gone ahead and created a sub-domain called https://api-socket.example.com/ and need to proxy this through to port 6001.
The config for a Nginx server I've tried to replace as a virtual host but when I restart httpd I get a 521 error with Cloudflare, my config is:
/etc/httpd/sites-available/api-socket.example.com.conf
...ANSWER
Answered 2021-Jun-14 at 09:59Can you please give it a try without ssl to ensure the configuration works or not. Make sure following modules are enabled
QUESTION
The code below is my current code
...ANSWER
Answered 2021-May-13 at 02:28I fix the ValueError and some other bugs, add more test cases.
- ValueError:After you add 10 and m1,you return a string like
$13.50,which can't pass any if statement in your__radd__method. So you got a ValueError inprint(10 + m1 + m2), which you attempt to add a string to a Money class. I fix it to return a Money instance and__repr__to display the format you want. - The Money class only got
__radd__method, which can't pass test case likem1 + 10 + m2.I add__ladd__method to handle it. - Also,the Money class don't have
__add__method. I add it to handle test case likem1 + m2 Money2not defined error.
code:
QUESTION
I would like to format the axis in the following plot such that it shows dollar cents instead of fractional dollars.
...ANSWER
Answered 2021-Jun-02 at 16:46You can use labelExpr to add arbitrary characters to the axis labels:
QUESTION
On our platform, we track each user's subscriptions by logging the amount they are subscribed to, the stripe subscription ID (will only be one ID per user), when it was created and when it will end.
Currently how this system works is like so:
...ANSWER
Answered 2021-Jun-01 at 19:44The invoice items end up on the next recurring invoice because you're creating customer invoice items -- they will remain pending until the next invoice is created. If you want to add items to a draft subscription invoice you need to specify the invoice parameter (ref) with the draft Invoice id.
As for the date of the example you gave, are you sure you set the billing_cycle_anchor? In the code you shared this parameter is only used when the customer has no existing subscriptions:
QUESTION
I would like to know the number of cases in which 1 dollar can be expressed in 1,5,10,20,50 cents.
For example, the count(100,[50,25]) is:
Because 50 * 1 + 25 * 2, it = 3:int is printed.
However, in my code, only the front part of the list is printed, so even if I count (100,[50,25]), it = 2:int is printed.
In other words, My code is not taking advantage of the whole list.
How do I solve this?
SML coin count function:
...ANSWER
Answered 2021-May-30 at 16:27Consider what happens as you evaluate your test expression of count (100, [50, 25]).
cnt is 0, y is 50, and ys is [25].
y times 2 does equal 100, so it returns cnt+2 which is 2. Nothing further happens.
When it comes to recursion, remember than the parameter list to a function is your means of communication. It seems like cnt is something that should be passed as a parameter so you can update it between recursive calls.
With count(x, []) = 0 you already have an exit point that will stop the recursion.
Edit: Based on comments, it looks like you're trying to figure out how many times each value in a list goes into a value x.
So the end result of your recursive function isn't a single integer. It's a list of integers. Or better yet, of tuples containing the value to look for, and the number of times it goes into x.
So if the list is empty, the result is obvious.
QUESTION
I have written a RegEx syntax which also works, but I fear I am missing something or maybe there is a more elegant way too achieve what I need.
Link: https://regex101.com/r/KZxt9I/1
Goal is to get whatever price there is before the term "EUR":
- Sometimes the price is written like the first match -> integer (no Cents)
- Sometimes the price is written like the second match -> double (with comma due to Cents)
As you can see in the first match there is also ",-" before "EUR" and in the second match the string does not have ",-" before "EUR".
Is my RegEx sufficient enough in case there are more whitespaces inbetween or so?
...ANSWER
Answered 2021-May-27 at 22:09Your regex is too complicated, you can make it much simpler:
QUESTION
I have a class MoneyBox with two fields (wallet and cent). I need to overload operations +, -, and * with these fields. How to correctly implement the overloading of these operators with two parameters?
...ANSWER
Answered 2021-May-25 at 21:42You can't use the typical x + y syntax if you're going to overload the operator to take two arguments.
Instead, you have to use .+, see the following:
QUESTION
Let's say I have three types of coins -- a penny (0.01), a nickel (0.05), and a dime (0.10) and I want to find the number of ways to make change of a certain amount. For example to change 27 cents:
...ANSWER
Answered 2021-May-10 at 17:20This will be one of the DP approach for this problem:
QUESTION
So I'm wanting to send emails from a Microsoft account using OAuth2 and everything I am reading says I need to setup some things in Azure Active Directory (for app registration to get a client secret and all this stuff) which I can do when I follow their instructions but everything seems to be contingent on an active Azure subscription which seems to cost a heck of a lot of dollars and cents.
I can create an account for free but that's only for up to a year. So am I wrong in thinking I won't be able to do this unless I pay heaven-knows-what for an Azure subscription?
I'm going by these instructions:
...ANSWER
Answered 2021-May-17 at 07:01If you only want to register the application in Azure AD to obtain the client secret and other basic settings about the application, you do not need to subscribe.
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