bulldog | HTML5 task manager , built on todo.txt
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kandi X-RAY | bulldog Summary
HTML5 task manager, built on todo.txt
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QUESTION
I am learning to write Object-Oriented Programming in Python and practised the following code. Not sure but I feel that I am writing repetitive code in the inheritance section. Would it be possible to write this code in a better way?
...ANSWER
Answered 2022-Apr-07 at 22:55"Better" is a qualitative term, but if you want to repeat less code, there are several ways you could leverage inheritance further to do so (to some extent).
One idea is to make the speak()
method in each child class call a shared method from the parent class, _speak()
. This has the advantage of better representing that all three child objects have similar underlying behavior.
QUESTION
Does anyone know how to create an alphabetical fast scroller, displaying all the letters in Jetpack Compose?
Similar to this one: Recyclerview Alphabetical Scrollbar
I have made a list which is scrollable, but I have no clue in how to make the letters on the side and make it "jump" to the right letter.
here is my coding so far:
...ANSWER
Answered 2022-Mar-29 at 07:35To display letters all you need is a Column
with needed items. To scroll a lazy column to a needed item, you can use lazy column state.
Here's a basic example:
QUESTION
I have a dataframe like this:
dog cat Cell 1 Cell 2 Cell 3 Cell 4And a list like this:
...ANSWER
Answered 2022-Mar-24 at 14:10You need to perform a look-up for your original column in the pre-defined list that you have shown. It's easier to create a Map
out of it so lookups can be performed:
QUESTION
Trying to filter an array of objects by the properties of another array of objects:
Data that I have
...ANSWER
Answered 2022-Mar-23 at 21:15Using Array#filter
and Array#every
, get the list of dogs meeting the filters
QUESTION
I was trying to create a matrix in PL/SQL using nested tables as such:
- firstly, I create a table type that is able to store varchars (that in my case is name lista_principala)
- secondly, using the previously declare table type lista_principala I try to create a table type that contains items of type lista_principala. I don't think that I'm wrong about my logic, but my PL/SQL implementation looks something like this:
ANSWER
Answered 2022-Mar-19 at 21:10You use lista.extend(20);
to create a list with 20 items and these will all be initialised to NULL
.
Then you set the values for the first 3 elements of the collection.
Then you loop through all 20 items and try to loop through the sub-list in each element; however, after the first 3, there is no sub-list contained in the element as the element is NULL
.
Either:
- Just
lista.EXTEND(3);
as you only want 3 elements to the array; or - Add a check if the list element is
NULL
and then skip looping through the sub-list if it is.
The second option can be implemented as:
QUESTION
I've seen this answered in other questions but it doesn't work for me. i'm also only 1 month in so im very new to this.
i want to remove the space between each cell so there is a collapsed border around the td and th.
...ANSWER
Answered 2022-Mar-12 at 03:35hello i think that will solve your problem try this
QUESTION
This is the code:
...ANSWER
Answered 2022-Feb-16 at 12:16In Prolog, an n-ary predicate p, for n≥0, is defined by a procedure, which consists of one or more clauses whose conclusions are terms of the form p(a1, ..., an), where each a_i is an argument. Clauses belonging to the same procedure are expected to be declared in sequence, contiguously.
When the clauses of two or more distinct procedures appear interleaved in the source code, the compiler produces the warning messages you get. To suppress such messages, you can use a directive of the form :- discontiguous predicate/arity
.
For example:
QUESTION
I'm getting an unexpected pattern of NAs from a left join. The data come from this week's Tidy Tuesday.
...ANSWER
Answered 2022-Feb-04 at 01:28I found the issue. On a hunch, I investigated the whitespace.
QUESTION
I am using vue 3 "vue": "^3.2.29",
+ typescript "typescript": "^4.5.5",
to develop a google chrome extension. Using vuex "vuex": "^4.0.2"
to manage the vue3 state. when I received the result, I set the value using dispatch like this:
ANSWER
Answered 2022-Jan-31 at 16:47access the store data in the UI like this way works:
QUESTION
I'm trying to flatten a data object that contains mixed content (JavaScript within a React application). I just need the keys of every parent and child in the object; I don't necessarily need the values (though having them present wouldn't be a deal-breaker).
I've searched for over a week to find a solution that would fit my use case, but everything I've tried has fallen short, including vanilla JavaScript, Lodash, Underscore, and flat (NPM package).
In every case, I either get a shorter list than I expect (because I'm only getting the parents), or I get a fully-flattened object with dot notation-delimited objects, which is useless to me.
I know there are lots of questions & answers pertaining to this topic, but nothing I've seen matches my use case, and I can't seem to wrap my head around the problem.
Here is a sample of my data structure:
...ANSWER
Answered 2022-Jan-14 at 17:30This isn't the prettiest code I've ever wrote. Unfortunately it does get everything
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