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jlucid

On version 2.1.0, I am using the "canvas chart" component to create a bar chart where the x-axis begins at zero and I have a data point at x=0. I wish to zoom into the range from 0 to 10 on the x-axis range. If I put my cursor on 10, left click and h...

jlucid

I have an intraday writer process which is writing data to an int partitioned database, the partitioning integer is constructed from the timestamp using `long$(.z.p) div 60*1e9, meaning I am partitioning data by one minute buckets. None of my tables ...

jlucid

What algorithm is used in kdb+ for adding floating point numbers, when we run sum or sums? Is it simple adding the values up in order? I am looking for something that will minimise precision error, something like https://en.wikipedia.org/wiki/Kahan_s...

jlucid

I have a data source which returns the simple table below, containing 3 columns and a single row a b c-----1 2 3 Whats the best way to assign the values 1,2, and 3 to separate viewstate parameters? eg: view_state_param1 = 1, view_state_param2 = 2, vi...

jlucid

Hi team, I am currently using a data grid component to display and edit column values. However, for some values which contain many decimal places, or contain a large numbers of digits, it can be prone to user error. I have put in place validation che...

jlucid

In version, 2.1.0 I see the same issue in modules/Datagrid_b71a7f6/main.js replacing e[0] with e does the job to show the full error message. Please let me know if this one is being tracked or was already fixed in a patch, thanks

jlucid

Ok thanks for confirming the symw query and for the work around suggestion. I will give the mkdir+cd combo a go

jlucid

Perfect, that was the exact info I was looking for, thanks

jlucid

After a bit more digging I realised I can do this easily using the Mapping option, https://code.kx.com/dashboards/datasources/#mapping I just changed the table structure to have a sym column with values `a `b and `c and keyed it

jlucid

Thanks for confirming Megan. I was also looking at the data form but I didn't see an increments option there. The best I could do there is provide the user with a drop down of values to select from.

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Canvas Charts - Drag to zoom

Clearing symw

kdb+ summing

Setting multiple View state parameters at once

Data grid edit and increment

Re: Dashboards Direct - How to specify an error message on Data Grid edit failure

Re: Clearing symw

Re: kdb+ summing

Re: Setting multiple View state parameters at once

Re: Data grid edit and increment