GuestList | simple Event Guest List app which consumes a REST service | Architecture library
kandi X-RAY | GuestList Summary
kandi X-RAY | GuestList Summary
Model-View-ViewModel (ie MVVM) is a template of a client application architecture, proposed by John Gossman as an alternative to MVC and MVP patterns when using Data Binding technology. Its concept is to separate data presentation logic from business logic by moving it into particular class for a clear distinction.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of GuestList
GuestList Key Features
GuestList Examples and Code Snippets
Community Discussions
Trending Discussions on GuestList
QUESTION
I have a text file called listofhotelguests.txt where hotelguests are stored line by line with their first names separated by && as a delimiter. Can someone explain how I can have my Python program read it so it associates john with doe, ronald with macdonald, and george with washington?
My expected outcome I'm hoping for is if I prompt the user for their lastname to make sure their a valid guest on the list, the program will check it against what it has in the file for whatever the firstname they entered earlier was.
So if someone enters george as their first name, the program retrieves the line where it has george&&washington, prompts the user to enter their lastname and if it doesn't match what it has, either say it matches or doesn't. I can figure the rest out later myself.
Assuming there is nobody with the same names.
I know I have to split the lines with &&, and somehow store what's before && as something like name1 and whats after && as name2? Or could I do something where if the firstname and lastname are on the same line it returns name1 and password1?
Not sure on what to do. Python is one of my newer languages, and I'm the only CS student in my family and friend groups, so I couldn't ask anybody else for help. Got nowhere by myself.
Even just pointing me in the direction of what I need to study would help immensely.
Thanks
Here's what the text file looks like:
...ANSWER
Answered 2021-Jun-15 at 19:30Here's a solution:
QUESTION
I've been stuck trying to figure out how to retrieve a desired index. I have a user adding names to a Guestlist, with the option to remove names. All the names are appended to an array saved to localStorage. When the delete button is clicked, I want to iterate over the array, find the matching string and retrieve it's index. All I'm getting however, is a -1 if the string doesn't match, and 0 if it matches. Where is my error? Any help is appreciated.
...ANSWER
Answered 2021-May-05 at 11:41I played around some more, and figured it out. I'll leave the question up in case someone else can make use of it.
QUESTION
I have tableview where is displayed array from Firebase. I need when I delete row from tableview to delete value from Firebase array.
Here is my code, but it gave me an error message:
Could not cast value of type 'NSNull' (0x114b66dd0) to 'NSArray' (0x114b66448). 2021-04-05 15:32:20.045614+0200 My Wedding Day[8355:287880] Could not cast value of type 'NSNull' (0x114b66dd0) to 'NSArray' (0x114b66448). (lldb)
I'm new in swift so this isn't familiar with me.
...ANSWER
Answered 2021-Apr-08 at 14:30You can't delete a single element from an array in the Realtime Database (well, you can but it's not what you think).
You will need to read the array in, modify it, and write it back out.
Arrays in the Realtime Database are actually single objects and the 'indexes' you would normally see in an array are fixed data. If array index 2 is deleted from Firebase, it's literally gone and nothing will replace it e.g. there will be no more value with an index 2 - it will be 0, 1, 3...
One solution is to change your structure and code.
QUESTION
I have an ajax call:
...ANSWER
Answered 2021-Mar-10 at 12:37You need to create a Dto that has property keytype.
QUESTION
I have a question here. I'm trying to get a define function
...ANSWER
Answered 2021-Feb-21 at 13:06guestlist = ['abc', 'def', 'ghj', 'aaa', 'bbb']
sur = 'zz'
def guest(numberguest):
newguestlist = []
for i in range(numberguest):
newguestlist.append(guestlist[i]+sur)
#print(newguestlist)
for j in newguestlist:
print(j)
guest(4)
QUESTION
I have a function that works correctly when run from a debugger, but returns None
otherwise.
ANSWER
Answered 2020-Dec-26 at 00:06This happens because your __repr__
function changes the value it's supposed to be printing. When you're in the debugger, the act of the debugger trying to display the representation of the value to you changes that value, by changing []
to ['empty']
.
Because the maybeFill
function compares the list to ['empty']
, it returns false when the actual value is []
, which it always will be if repr()
was never called.
A less-surprising __repr__
will only display the value, but never change it. Consider, then, leaving the empty value as []
instead of ever transforming it to ['empty']
:
QUESTION
My code was working perfectly in before.. recently i have installed Alamofire
in other project now below error throwing.
Pattern cannot match values of type 'URLRequest'
got error in Alamofire in this line:
case .Success(let upload, _, _): \\........here getting error
code with error:
...ANSWER
Answered 2020-Jul-19 at 06:33Error is related to a small mistake(i.e .success syntax according to Alomofire, and change AF as Alamofire), I have correct the Syntax as well as code. Now you can use as follows:-
QUESTION
I have an array of customers which follow the following model:
...ANSWER
Answered 2020-Jun-23 at 11:56You could iterate using flatten
QUESTION
I am trying to do remote validation on some properties in my booking web application.
...ANSWER
Answered 2020-Jun-11 at 14:59I think you forgot to add these scripts in view
QUESTION
I have an application which is using React Routes and it's build is served with Express server where I have also routes for an API calls.
Server.js
...ANSWER
Answered 2020-Apr-09 at 17:43Create an error route and redirect from server.
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