synthetic | Spotify integration and song analytics visualization | Frontend Framework library
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kandi X-RAY | synthetic Summary
A client-side React app for discovering music.
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QUESTION
So ~T() works even for standard types (which are not classes/structs) I assumed operator=(const T &) also can be valid as the default method, but it's not:
ANSWER
Answered 2021-Jun-14 at 15:58Yes. The standard defines "pseudo-destructor calls", so that something like ptr->~T() or ref.~T() is valid for built-in scalar types (§[expr.prim.id.dtor]):
- An id-expression that denotes the destructor of a type
Tnames the destructor ofTifTis a class type (11.4.6), otherwise the id-expression is said to name a pseudo-destructor.- If the id-expression names a pseudo-destructor,
Tshall be a scalar type and the id-expression shall appear as the right operand of a class member access (7.6.1.4) that forms the postfix-expression of a function call (7.6.1.2). [Note: Such a call has no effect. —end note]
For better or worse, the same thing is not done for other operators that are valid on built-in scalar types, so (as you've found) you can't refer to some_int.operator=, for example).
There has been (considerable) discussion of some sort of uniform function call syntax, that would allow the compiler to sort out at least some things like this, but although it's been proposed at least a couple of times (early on by Francis Glassborrow, more recently by Bjarne and Herb Sutter), it hasn't been accepted. If you're interested in this apart from using it in C++, D does support something on this order you might find interesting to look into.
Outside of that, although it's not as easy as you'd probably like, you can probably use SFINAE to select between foo = bar; and foo.operator=(bar);, if you really need to do so (though I'll admit, I'm not sure what advantage you get from the .operator= syntax).
QUESTION
I know there is Math.max(), reduce(), and even for loop:
ANSWER
Answered 2021-Jun-13 at 13:24To get the highest and the objects whose value is highest, you can match it with the value. If it is greater then you can replace the value.
You also need to maintain the dictionary i.e. dict that contains the objects.
When inserting the value in the dict be sure to first check if the key is already present in dict or not. If it exist then just push the value else create a new array with the value.
QUESTION
I have been trying to resolve an issue being thrown at runtime where the recyclerview I am using is null. From most examples of this error message I have seen online it is usually when using a RecyclerView is being used in a fragment. This RecyclerView is just being used in a normal Kotlin Activity.
Error When OrderActivity.kt is opened
...ANSWER
Answered 2021-Mar-01 at 12:55setContentView(R.layout.activity_main)
QUESTION
I am creating a Login and signup form. I have created two custom fragments, one for login and one for signup. Both have some clickable textViews, and I want to add onClickListener to these textViews, however I am getting Null Pointer Exception when I am trying to access these views from my fragment class.
My custom login fragment class:
...ANSWER
Answered 2021-Jun-10 at 23:06You're setting your click listener inside onCreate which is getting called before the view is instantiated (it's called before onCreateView) so that reference you're getting from Kotlin synthetics is null. Move your click listener to onViewCreated like this
QUESTION
I am trying to use Torch for Label Propagation. I have a dataframe that looks like
...ANSWER
Answered 2021-Jun-10 at 10:00For other readers here, it seems like this is the implementation being asked about in this question.
The method you are using to try to predict labels works with labels for nodes, not edges. To visualize this, I plotted your example data and colored the plot by your Weight and Label columns (code to produce plot appended below) where Weight is the line thickness of the edge and Label is the color:
In order to use this method, you will need to produce data that looks like this, where each node (denoted by ID) gets exactly one node_label:
QUESTION
I have a dataframe that is made up of hourly electricity price data. What I am trying to do is find a way to calculate the average of the n lowest price hourly periods in day. The data spans many years and aiming to get the average of the n lowest price periods for each day. Synthetic data can be created using the following:
...ANSWER
Answered 2021-Jun-07 at 12:43We can group the dataframe by Grouper object with daily frequency then aggregate Price using nsmallest to obtain the n smallest values, now calculate the mean on level=0 to get the average of n smallest values in a day
QUESTION
As Kotlin Synthetics is deprecated, we are migrating to ViewBinding.
I have tried a lot of googling and reading documentation on ViewStub, ViewBinding and have implemented ViewBinding for Fragments Activities, include, merge tags however I could not find any way to inflate the ViewStub using ViewBinding.
...ANSWER
Answered 2021-Mar-19 at 09:46I wrote about ViewBinding when it was in Beta. I covered every case except ViewStub. ViewStub case is fairly similar to the case of in my linked article.
What you have to do is call bind() function of your ViewStub layout and pass the root where you added ViewStub. Remember to call bind() in setOnInflateListener.
QUESTION
I created a simple bar chart based off of synthetic data, generated within the code below (generate_dataframe). The image has a top chart with the data and a lower chart that allows me to drag a selection along the horizontal axis. There appears to be an error: the leftmost bar is not affected by the motion of my selection in the lower plot. I use streamlit to display the plot. Here is an image of what is happening. I list the code below the image. Thanks for any advice.
Image produced when running the code, enhanced to illustrate the issue described above.
...ANSWER
Answered 2021-Jun-06 at 15:14Binding an interval selection to a scale's domain is currently not supported for ordinal and nominal domains. A workaround is to use .transform_filter() instead, so change your code to this and you will no longer see the stacked bar to the left:
QUESTION
I am working on a database, which requires user to register and login. When the use registers, the data gets stored into a room database.
For the registration purpose, Kotlin code is used. But I want to use a Object of java class inside that Kotlin code.
Therefore, my query is it possible to initialise an object of Java class inside a Kotlin code?
For example:
user.java
ANSWER
Answered 2021-Jun-04 at 04:25Change
QUESTION
I saw a couple of threads about this frequent error but no one can solve mine (even after trying solutions), I want my code to display the component with data I load from API with like an equivalent to Flatlist in React Native :
Activity I use for "product" component which is a card: ...ANSWER
Answered 2021-Jun-02 at 15:16You'll need to modify your activity so that you're assigning an adapter to your recycler view when the UI is being drawn rather than waiting till you get the result.
Modify your adapter declaration to this:
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