shorthair | Shorthair : Generational Block Streaming Erasure Codes
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QUESTION
I have a tibble, df
:
ANSWER
Answered 2021-May-18 at 14:46Here is a data.table
way:
QUESTION
According to this example from the TypeScript documentation, if I want to define a type for objects with multiple properties that all have the same type, I can use the Record
utility type, like this:
ANSWER
Answered 2021-Apr-30 at 11:01You can set the type of the parameter cats
to Partial
.
QUESTION
My LazyColumn is not recomposing but the value is getting updated.
If I scroll down the list and scroll back up I see correct values for the UI
MainActivity
...ANSWER
Answered 2021-Mar-02 at 23:58The
Flow
pups is producing updated values as you can see in my logcat
Not exactly.
The Flow
is emitting the same List
of the same Puppy
objects. I believe that Compose sees that the List
is the same List
object as before and assumes that there are no changes.
My suggested changes:
Make
Puppy
be an immutabledata
class (i.e., novar
properties)Get rid of
changeFlow
and havegetPuppies()
return a stableMutableStateFlow>
(or make that just be a public property)In
toggleAdoption()
, create a fresh list ofPuppy
objects and use that to update theMutableStateFlow>
:
QUESTION
I'm very new with dart.
I have some enums
like HairType
, some Classes that simulates enums
with a random()
method like: SkinColors
and ShortHair
.
The class SkinColors
have also a values
property to simulate a List
so I can use both: SkinColors.colors
or SkinColors.values
.
Everything was working fine:
...ANSWER
Answered 2021-Mar-06 at 18:11I would probably go with an extension on a List
:
QUESTION
I'm trying to create a plotly.express
pie chart from data that's in a data table.
The data originates from a Mongo query, and these queries populate the data table.
Using what I have here, the data table works as expected, but I have no pie chart.
Can anyone tell me how to correctly load this data frame for the pie chart?
animal_id
and breed
are the names of two columns in the data frame/data table.
Any help is much appreciated!
...ANSWER
Answered 2020-Dec-19 at 18:58Figured it out. Callback as such:
QUESTION
I am creating a function to return the breed of a cat using the following list inside a dictionary and I keep receiving TypeError: list indices must be integers or slices, not str
when trying to loop through the list within the value of "pets"
:
ANSWER
Answered 2020-Nov-07 at 09:56input_dict_of_list["pets"]
is a list. This list contains 6 items, which can be accessed as input_dict_of_list["pets"][0]
, input_dict_of_list["pets"][1]
, ..., input_dict_of_list["pets"][5]
.
The names of the breeds can be accessed as input_dict_of_list["pets"][0]['breed']
, input_dict_of_list["pets"][1]['breed']
, ..., input_dict_of_list["pets"][5]['breed']
.
Or you can iterate over the items in this list using a for
-loop:
QUESTION
Im having trouble reading data from a file. The error that i receive is:
...ANSWER
Answered 2020-Sep-15 at 18:47A few little things need to be changed in your code. Below is your code with my corrections. Explanations after the code.
QUESTION
I was working on the spark dataframe methods and stuck how to achieve the following result.
spark sql (this works) ...ANSWER
Answered 2020-Jul-23 at 19:43You can use a when..otherwise
condition in aggregate functions.
QUESTION
I was solving this example :
https://www.windowfunctions.com/questions/grouping/6
Here, they use Oracle or postgres command nth_value
to get the answer, but this is not implemented in Hive SQL which is used by pyspark and I was wondering how to obtain the same result in pyspark.
ANSWER
Answered 2020-Jul-21 at 23:04If you want the second lowest weight per breed:
QUESTION
I was solving this example :
https://www.windowfunctions.com/questions/grouping/5
Here, they use Oracle or postgres command nth_value
to get the answer, but this is not implemented in Hive SQL which is used by pyspark and I was wondering how to obtain the same result in pyspark.
- All weights greater than 4th are assigned 4th smallest weight
- First three lightest weights are assigned value 99.9
ANSWER
Answered 2020-Jul-21 at 21:48An alternative option is row_number()
and a conditional window function:
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