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QUESTION
Change the first index of each sublist in a list. from 1,2 , 3 ... for example -
...ANSWER
Answered 2018-Nov-04 at 02:34You can use a list comprehension using enumerate to get the index. i+1
is done to start the index from 1 because the default index starts from 0 in python enumerate.
enumerate
returns the index and the individual elements of the enumerated list. j
here will be the list and j[1]
and j[2]
will be the first and the second element respectively.
QUESTION
Just started getting this error, The same field name is serialized multiple times in the class or its parent class. This is not supported: Base(ICEWorldPathfindingAdapter) m_Transform
from the code below.
I went to the variable m_Transform
and changed it from protected Transform m_Transform;
to protected new Transform m_Transform;
but that ended up throwing more errors. I'm unsure how to track down and the solve this issue. Any help here would be greatly appreciated. Thank you.
ANSWER
Answered 2017-Dec-14 at 22:13Helpful answer: Don't bother with optimizing transform access. It's not simple GetComponent() since Unity 5.x.
in Unity5 we also cache the transform component on the c# side, so there should no longer be a performance reason to cache the transform component yourself.
Lazy answer: Rename your m_transform variable.
Some speculation on why this is happening since Unity team did not provide us with it's serialization system source code:
Apparently, Unity stores cached transform in the field with the name "m_transform" (it fits code style of Unity team). Apparently, it compares fields simply by name to prevent collisions and does not take into account if it can be serialized in a first place. Another example of that problem could be found here.
By the way, Unity serialization is done with reflection. Further read.
QUESTION
I have this function that is supposed to fetch data from a comments node
from firebase. I want to implement pagination to not load 100+ comments at once. Everything seems to be working but my code seems to be failing at casting the snapchat.value
to a Dictionary
ANSWER
Answered 2017-Aug-19 at 14:15The code in your callback seems to assume that you get called with a collection of comments. To get such a collection you need to observe the .value
event. When you observe the .value
event, you callback gets invoked with a single snapshot
that contains all the nodes matching the query:
QUESTION
In Java I've to import with MapReduce some data from a tsv file (ca 21*10^6 of rows) into an HBase table.
Every row is:
XYZ|XZS YSY|SDS|XDA|JKX|SDS 0.XXXXXXXXX
The HTable has 5 column family : A,B,C,D,E
The first couple of everyline of the file is my HBase rowkey.
The second group of five are 5 column qualifier:
- YSY|SDS|XDA|JKX|SDS -> for column family A
- YSY|SDS|XDA|JKX -> for column family B
- YSY|SDS|XDA -> for column family C
- YSY|SDS -> for column family D
- YSY -> for column family E
The last is the value to insert inside a cell. I've also to aggregate with a sum Σ all values with the same qualifier (1 or 2 or 3 or 4 or 5) (this will be part of my Reducer).
This is my driver:
ANSWER
Answered 2017-Aug-11 at 12:34I fixed it. In the driver i forgot:
QUESTION
I have a table created using 'div' elements, which has dynamic content based on the choice and also the data to be displayed.
I would like to find a way to click on some icons on the last row of the table. Unable to do that using getElementID, as if there are multiple rows, then all the icons have the same ID. Is there any other way in which I can do this?
...ANSWER
Answered 2017-Jul-17 at 12:31You could find the last row with something like (I'm using Python):
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