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what is the shortest code to copy all checked items from a TChecklistBox into a TStringlist ?
( for a TListbox I can you the assign function to add and extract a TStringlist with data)
Using plain vanilla Delphi (i.e. without any third party libraries) you just write a for loop:
StringList.Clear;
for i := 0 to CheckListBox.Items.Count-1 do
if CheckListBox.Checked[i] then
StringList.Add(CheckListBox.Items[i]);
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tfidf = TfidfVectorizer(lowercase=False, )
tfidf.fit_transform(questions)
dict key:word and value:tf-idf score
word2tfidf = dict(zip(tfidf.get_feature_names(), tfidf.idf_))
https://scikit-learn.org/stable/modules/generated/sklearn.feature_extraction.text.TfidfVectorizer.html
idf_: array of shape (n_features,)
The inverse document frequency (IDF) vector; only defined if use_idf is True.
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I have a global variable, but when I give the value of the variable does not change when I
run in viewDidload, this is my code :
(https://pastebin.com/7QbBjLNC)
The data is being fetched asynchronously and the print statement is getting executed before the response is received. print the data after you assign value to self.jumlahStok
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I got an error when I ran cv2.fillPoly(color_warp, pts, (0,255, 0)) and then recognized pts needed to be int32.
But why does it need to be int32 ?
pts holds an array of array of points on an image. An image is a matrix of Scalars. It is indiced by (X, Y) values which can be stored quite adequately in int32.
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So I found out that any variable or constant in swift is a tuple. For example, variable x below is a tuple
var x = 15
and following statement is valid and evaluates to value of x as the first element of tuple
x.0.0.0.0.0.0.0.0.0.0.0 // outputs 15
I'm wondering why the language has been built to accommodate this. Any known (or outworldly) use case?
I don't know can it be the right answer, but it gives some information and shows that it's a known thing. Look this 2 sections:
Special: The 1-Tuple
Bonus Track: Tuples All the Way Down
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How to write something
if !inBoundary then do
printfn "no it's not within the boundary"
You can use the not built-in function (and omit the do keyword after then):
let inBoundary = false
if not inBoundary then
printfn "no it's not within the boundary"