klein | P specialized SIMD Geometric Algebra Library
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QUESTION
Good evening ),
so I have an ExpansionPanelList inside an ExpansionTile. I want that the header changes, when a Panel of the ExpansionPanelList is opened, but how do I do that?
...ANSWER
Answered 2021-Jun-06 at 19:09Instead of isExpanded == null
use !isExpanded
in the ternary condition.
QUESTION
I have following problem, I want to add a regular list view into the extended part of an extendable list view, I have tried to do it with following code:
...ANSWER
Answered 2021-Jun-05 at 21:37Well to fix the Overflow you can wrap your widget in a SingleChildScrollView
, anytime you paint more content than the available space on the screen you should use this or a ListView to be able to scroll.
As for the checkbox alongside each tile you were painting the checkbox before the ListView.builder
that created each expandedValue
so it was just created once for the listTile that contained the listivew and not for each item. Constructing the checkbox inside the listview.builder did the trick for that.
I also added a boolean property to the expandedValue
class to be able to check each item individually (IDK if this is the behavior you were seeking).
QUESTION
users = [
{'id': 0, "name": "Hero"},
{'id': 1, "name": "Dunn"},
{'id': 2, "name": "Sue"},
{'id': 3, "name": "Chi"},
{'id': 4, "name": "Thor"},
{'id': 5, "name": "Clive"},
{'id': 6, "name": "Hicks"},
{'id': 7, "name": "Devin"},
{'id': 8, "name": "Kate"},
{'id': 9, "name": "Klein"},
]
# list of users
friendship_pairs = [(0, 1), (0, 2), (1, 2), (1, 3), (2, 3), (3, 4), (4, 5),
(5, 6), (5, 7), (6, 8), (7, 8),
(8, 9)] # list of friendship pairs
# it is easy to make a dictionary list of friendships for the IDs as the friendship_pairs and written in terms of IDs
# what if I wanted this dict to show for example "Hero": ["dunn","Sue"] instead of 0:[1,2]
friendships = {user['id']: [] for user in users}
for i, j in friendship_pairs:
friendships[i].append(j)
friendships[j].append(i)
display(friendships)
# I made a dictonary of intergers:names
user_Ids = list(user['id'] for user in users)
user_Names = list(user['name'] for user in users)
converter = dict(zip(user_IDS, user_Names))
# How can I use this to turn 'friendship_pairs' into something like 'friendship_pairs_names'
# which has the same information has friendship_pairs but uses their names
...ANSWER
Answered 2021-May-30 at 12:11You can try this
QUESTION
I'm trying to import this XML https://wmts.geo.admin.ch/EPSG/2056/1.0.0/WMTSCapabilities.xml into google spreadsheets using the IMPORTXML function . using XPATH I would like to extract from
...ANSWER
Answered 2021-May-20 at 20:59You're running into a namespace problem, and it's not clear to me whether IMPORTXML
gives you a way to register namespaces. If not, a workaround is necessary:
//*[local-name() = "Contents"]/*[local-name() = "Layer"]/*[local-name() = "Identifier"]
QUESTION
ANSWER
Answered 2021-May-01 at 05:16The way I'd approach this is by applying display: flex; flex-direction: column
on the individual cards, then wrapping all the content apart from the Quick View button in a container (it's already in a container a.woocommerce-loop-product__link
), and give that container flex: 1
so it fills up the space of the card vertically.
QUESTION
I am trying to put an interstitial ad on one of the screens in my app. My banner ads work perfectly fine. However, whenever the app tries to load the ad, <_interstitial.load();>, it crashes.
Code with interstitial ad:
...ANSWER
Answered 2021-May-14 at 10:17I have solved it.
1.add com.google.android.gms:play-services-ads in android/app/build.gradle dependencies { ...
QUESTION
I am fairly new to Vaadin and to Java, so also the obvious tips could be beneficial.
In my view, I have 5 RadioGroupButtons (Vaadin's Standard). The major RGB changes the Item Text of the other four RGB. A real life example would be to select a car brand (VW, BMW, Kia) and for every Brand there would be different models.
I tried having the ClickListener inside the MainView, RBG and RBG_Aggregat. Also tried to pass the different RBGs as variables to the different classes. Nothing worked. There is not much documentation on these RadioButtonGroups. Now I have found some examples of "binder" but I could not manage to get it working.
Can anyone steer me in the right direction?
Thanks!!
The Code for the main View is the following: I added the comments where the problem is located.
...ANSWER
Answered 2021-May-04 at 05:41The main issue here is the clickListener.
It's added on the VerticalLayout: addClickListener(event -> {
So every time you are clicking on the entire layout your are changing the items of the radiobuttongroup.
You can do this:
radioGroup.addValueChangeListener(event -> {
It will work.
There are few things I noticed that is not working (or might not work):
titel=="Freisetzungsgruppe"
Always use equals for String in Java or Objects equals likeObjects.equals(titel, "Freisetzungsgruppe")
- You can use List instead of generic List.
- You should also avoid non-ascii characters in your Java class Gefahrdungsbeurteilung instead of Gefährdungsbeurteilung.
In your case, the code looks really complicated because you are manipulating all the labels at the same place. You can split the code and only change the display label of the radiobuttongroup. For example with 1 radiobutton:
QUESTION
I have the following expression:
...ANSWER
Answered 2021-Apr-30 at 08:43You can repeat the whole expression, and you can omit the capture groups to get a whole match:
QUESTION
I am running python3 (version 3.6.9) Twisted (version 18.4.0) on an Ubuntu 18.04 server. This server is used for webhooks for Twilio. The webhooks work fine over http. I installed a LetsEncrypt cert, and the LetsEncrypt ssl cert works fine for serving https over a FireFox browser.
However, when I point twilio to the https version of the webhook, I get the following error in the twilio debugger console:
...ANSWER
Answered 2021-Apr-27 at 07:01It looks like Twisted has problems loading the fullchain.pem
.
You'll need to manually load the chain as described here.
QUESTION
I'm trying to do a more complex (for me) filter with 2 different categories (hopefully more), frameBrand & frameColor. I want to filter down to a specific brand, then use those results to filter colors until I have a more specific/narrow search. I'm struggling with filtering 2 categories
With my example JSON below, I'd like to click a brand checkbox to get "anne klein" frames then click a color checkbox "brown" to view the "anne klein - brown" frame. 2 checkboxes each from different "categories". Ideally, I'd be able to expand this to use other categories, like checkboxes for price. I've used StackOverflow to get where I'm at with .filter but haven't seen much with multiple categories and checkboxes using Angular.
...ANSWER
Answered 2021-Apr-20 at 10:54I'd simplify you logic.
Instead of doing this with FormGroup
of FormArrays
(unless that is not requirement) the best here would be to create FilterComponent
which accepts as input exemplary object
type CheckboxFilter = { name: string, isChecked: boolean }
. Probably you could add id
if neccessary.
Having that created add Output
to your FilterComponent
.
Now you add to handlers for that BrandChanged
and ColorChanged
. Based on that you are able to store selected filters and apply them on your frames.
That even allows you to make it more reacive way.
You could decalre BehaviourSubject
for both Brand
and Color
and once there is event you could manipulate subject.
Later just combainLatest
of your frames that came from JSON file or API and apply do it like this:
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