raffle | Lucky Draw Procedures
kandi X-RAY | raffle Summary
kandi X-RAY | raffle Summary
Lucky Draw Procedures
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QUESTION
The following is a subset of a nested dictionary that I have:
...ANSWER
Answered 2021-May-24 at 12:16The way you're doing it now is comparing the complete dict entry for the JSON data with the complete dict entry of the other data. This will never match as these have separate keys, so the dicts are by defenition different.
You need to compare exact keys for both dict entries, fe:
QUESTION
I'm creating a GUI application using PyQt5, I made the UI using QtDesigner and ended up with this result:
But this issue is that when I launch my application using Python, following the screen size I'm using, the application is not showing properly: on my laptop (from which I took the QtDesigner screenshot above), here is the result:
(The white part was just to make it more visible that the rectangle is not properly displayed)
As you can see, the left side bar is not showing properly on my laptop, but on a bigger screen, it shows perfectly so I assume that the size of the screen is the error factor but I don't see how I could fix it. Is there any options I have to make sure to use in order to not have the sizes issues?
Here is the code you can use to have a minimal reproducible example:
The code generated from QtDesigner is the following:
...ANSWER
Answered 2021-Apr-20 at 16:37The main problem is that you're adding buttons to a widget (the QFrames) and without any layout set there. Using fixed geometries is almost never a good idea, and doing that in an UI that has other layout managers is almost always a very bad idea.
Remember, what you see on your screen is almost never what others see in theirs; also, Designer doesn't always show in its preview what the actual result will be. In your specific case, the problem is that when your code loads the ui, the buttons are actually a bit shifted, so their contents are partially hidden because of their parent size (a child widget cannot draw outside the parent's rect).
So, first of all, set a layout for all the QFrames that contain a button (and to any other widget that still has no layout), if your issue is ensuring that the buttons occupy the whole space available for their container, then set their horizontal and, most importantly, vertical size policy to Preferred
(Qt buttons by default don't expand vertically).
Then, there are other issues with your implementation:
- the main widgets inside the central widget are "floating" (aka, fixed geometries), so set a layout for the central widget too;
- remove all size constraints of buttons, as they're unnecessary;
- avoid generic stylesheets, especially if set on parents; using selectors is always better, otherwise you might face unexpected behavior (especially from advanced/custom widgets);
- check that minimum/maximum sizes are consistent (the button icons have minimum sizes bigger than their maximum);
- be aware that Qt uses default layout margins and spacings depending on the current OS and style in use, so you must be careful with special widgets for which those aspects are important (the title bar, in your example); when in doubt, explicitly set those values in the layout properties (even if you're fine with the values set as default) and remember that every form in Designer can have default values for layouts from the "Form > Form settings" dialog (they are not visually applied in Designer, but they're respected when loaded from code);
QUESTION
I have a loop on my html page that displays a checkbox button for each row in a table that has a specific foreign key.
I want each button to represent a different row and hold values from the respective columns, so that when the user clicks on them, these values can be used in a route. But I have no idea how to go about it.
This is the route that renders the page by querying all the rows of the table:
...ANSWER
Answered 2021-Apr-28 at 12:54First up, it looks like you're using 1
inside the button, which I'm assuming is a typo for i
.
Add a link to each button:
QUESTION
Im pretty unexperienced and this is my first language so any pointers and tips will be gladly welcomed.
Im trying to create a raffle program where it asks how many participants are and with that maximum number draw out one winner. I tried with:
...ANSWER
Answered 2021-Apr-21 at 21:47small modification of the code should do it:
QUESTION
I'm trying to make a carousel in a flask app that displays all images from a database through a loop, I have found similar questions but the answers don't work for me.
...ANSWER
Answered 2021-Mar-25 at 19:28The href
attribute of the a
elements of the controls should have the id
of the outer carousel div
:
QUESTION
ANSWER
Answered 2021-Mar-15 at 13:54Use regular expresions, like:
QUESTION
I have a dummy testimonials.I want to display it as a slider. I am using React-Bootstrap but I am not able to get the desired result.
Here is the code.
...ANSWER
Answered 2021-Mar-05 at 08:50You need to map over your Carousel Items and not the entire div because you only want the carousel items to repeat inside the carousel and not the entire carousel.
Your return statement would look something like this:
QUESTION
Trying to add a button to this script so it will generate the numbers on click. Also I dont want the numbers to ever repeat in the same order. Im doing this inside of sqaurespace as well.
We are trying to come up with a way to give our users a unique ID for raffles from clicking this button.
Any help is really appreciated
HTML:
...ANSWER
Answered 2021-Mar-04 at 16:24QUESTION
I need to create a Raffle system where users can enter the number of tickets they want to buy and pay with credit cards to participate in a raffle. A raffle has a limited number of tickets let's say 1000. Anyone can enter any number of tickets he wants to buy, of course the number should be less or equal to 1000. There is no login in the system so I'm seeing this following as a race condition:
One user enters 998 tickets to buy and another one enters 5 tickets, if both users click on submit on the same time and I process both requests is this going to be a race condition? If yes, has anyone came across a similar case and is there any way to avoid this?
Thanks.
...ANSWER
Answered 2021-Feb-11 at 16:48Many programmers will approach this by checking the database for sufficient tickets and if found then updating the ticket sales. This leaves a window between the read and write parts of the operation where the race condition exists.
QUESTION
I'm very new to Django and the DjangoRest Framework and this is my first question on Stack overflow, please bear with me.
I am trying to create a Django Rest API that can that to handle entries for an online raffle. So each entry would have details like name, email, and a string that represents the raffle entry in the form of numbers separated by spaces(Eg: "12,23,34,45,56,67"). So far, I've been able to do the basics and create a simple model, serializer, and views.
What I need is to create a JSON similar to
...ANSWER
Answered 2021-Jan-02 at 15:30I'm guessing you want the entry
field to be expanded into values
field.
In serializer, you can use a SerializerMethodField.
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