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This Google Group has been deprecated and has been replaced by
community.kx.com
This is now a read-only forum of q and kdb+ questions from users of the free editions of kdb+.
To post new questions, please visit
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Laura Kerr
6/14/21
KX Community Launch (google group is now read-only)
Hi all! Please be aware that this google group is now read-only. Messages and questions can no longer
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KX Community Launch (google group is now read-only)
Hi all! Please be aware that this google group is now read-only. Messages and questions can no longer
6/14/21
Angela
,
Nick Psaris
3
6/11/21
cron job of q script with timer
Gotcha, makes sense, thanks! sounds familiar now that you have pointed to this thanks. On Friday,
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cron job of q script with timer
Gotcha, makes sense, thanks! sounds familiar now that you have pointed to this thanks. On Friday,
6/11/21
Coder Q
6/11/21
Function Returns unwanted values when a negative value is passed q/kdb
The function should return the same negative value as it is passed to it Input passed: FormatNumber[
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Function Returns unwanted values when a negative value is passed q/kdb
The function should return the same negative value as it is passed to it Input passed: FormatNumber[
6/11/21
Coder Q
6/11/21
Function does not work fine for Negative Values passed to it
Function Name: FormatNumber[col;DecimalPlaces] Parameters Passed [enlist 0.119;15] / til 15 decimal
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Function does not work fine for Negative Values passed to it
Function Name: FormatNumber[col;DecimalPlaces] Parameters Passed [enlist 0.119;15] / til 15 decimal
6/11/21
Angela
6/11/21
cron job q script with timer
Hi, I can't seem to get aq script with a timer to continue running in cron. For example: $ cat
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cron job q script with timer
Hi, I can't seem to get aq script with a timer to continue running in cron. For example: $ cat
6/11/21
Matt Fang
,
Ajay Rathore
2
6/7/21
weighted correlation in Q?
There is no inbuilt weighted correlation, but you can easily implement Pearson Weighted Correlation
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weighted correlation in Q?
There is no inbuilt weighted correlation, but you can easily implement Pearson Weighted Correlation
6/7/21
Angela
, …
Alvi Kabir
6
6/5/21
upsert to dictionary of tables?
Thanks! On Fri, Jun 4, 2021, 4:02 PM Alvi Kabir <alvi.k...@gmail.com> wrote: I suggest
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upsert to dictionary of tables?
Thanks! On Fri, Jun 4, 2021, 4:02 PM Alvi Kabir <alvi.k...@gmail.com> wrote: I suggest
6/5/21
Alexander Shendi
, …
stevan apter
3
6/1/21
Can't run K code from nsl.com (K n00b warning)
alexander - much of the code on nsl.com is k3. the version of k from kx is k4. thanks for looking sa
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Can't run K code from nsl.com (K n00b warning)
alexander - much of the code on nsl.com is k3. the version of k from kx is k4. thanks for looking sa
6/1/21
Laura Kerr
6/1/21
KX Community - Spoiler Alert!
Hi q-urus! Thank you so much for all the great responses to the new community initiative, we're
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KX Community - Spoiler Alert!
Hi q-urus! Thank you so much for all the great responses to the new community initiative, we're
6/1/21
My Phone
, …
Eoin Cunning
7
5/28/21
Efficient `over` with a large state? (in-place state updates)
I think you are not including the creation of the variable. when you make it a global. When you do
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Efficient `over` with a large state? (in-place state updates)
I think you are not including the creation of the variable. when you make it a global. When you do
5/28/21
Grant Baker
5/26/21
openssl troubles in kdb 32bit version
Hi everyone! I'm trying to get data from iex and quandl directly into q, but I'm running into
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openssl troubles in kdb 32bit version
Hi everyone! I'm trying to get data from iex and quandl directly into q, but I'm running into
5/26/21
Laura Kerr
5/18/21
KX Community Launch June 2021
Hi q-urus! Many of you may not know me - I'm Laura Kerr, the latest addition to the KX Evangelism
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KX Community Launch June 2021
Hi q-urus! Many of you may not know me - I'm Laura Kerr, the latest addition to the KX Evangelism
5/18/21
Stephen Taylor
5/16/21
The Array Cast
For our first episode, host Conor Hoekstra talks to Adám Brudzewsky of Dyalog Ltd., Stephen Taylor,
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The Array Cast
For our first episode, host Conor Hoekstra talks to Adám Brudzewsky of Dyalog Ltd., Stephen Taylor,
5/16/21
Stephen Taylor
5/15/21
From loops to vectors
In learning q most of us have to drop the habit of edging into a solution with loops and think
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From loops to vectors
In learning q most of us have to drop the habit of edging into a solution with loops and think
5/15/21
Angela
,
Charles Skelton
6
5/9/21
.Q.gz ?
ok I understand, thank you! Thanks Angela On Saturday, May 8, 2021 at 2:27:54 PM UTC-4 charlie wrote:
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.Q.gz ?
ok I understand, thank you! Thanks Angela On Saturday, May 8, 2021 at 2:27:54 PM UTC-4 charlie wrote:
5/9/21
Roni Hoffman
5/4/21
Issue in deserializing in q from c++
Hello, wondering if anyone has any ideas here I have been trying to publish a serialized K object
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Issue in deserializing in q from c++
Hello, wondering if anyone has any ideas here I have been trying to publish a serialized K object
5/4/21
Nick Psaris
, …
srevu...@gmail.com
5
5/3/21
Re: [personal kdb+] dictionary with flip
Thanks Alexander On Tuesday, 4 May 2021 at 00:54:10 UTC+5:30 unterraine...@gmail.com wrote: Hi, I
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Re: [personal kdb+] dictionary with flip
Thanks Alexander On Tuesday, 4 May 2021 at 00:54:10 UTC+5:30 unterraine...@gmail.com wrote: Hi, I
5/3/21
srevu...@gmail.com
, …
Alexander Unterrainer
4
4/21/21
higher-order function with recursive
Thanks Alexander for your explanation. On Tuesday, 20 April 2021 at 23:53:27 UTC+5:30 unterraine...@
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higher-order function with recursive
Thanks Alexander for your explanation. On Tuesday, 20 April 2021 at 23:53:27 UTC+5:30 unterraine...@
4/21/21
charles li
4/13/21
Can I use KDB to select fastest data record from multiple data sources?
Bellow is the architecture: Data Vendor A ------> KDB A-------> End User Data Vendor B ------
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Can I use KDB to select fastest data record from multiple data sources?
Bellow is the architecture: Data Vendor A ------> KDB A-------> End User Data Vendor B ------
4/13/21
Xiaomu Wing
, …
András Dőtsch
6
4/11/21
Question about storing large amounts of data per second
I mean sending data through the q ipc protocol, yes. I guess you used http get and you run into some
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Question about storing large amounts of data per second
I mean sending data through the q ipc protocol, yes. I guess you used http get and you run into some
4/11/21
sandy....@gmail.com
,
András Dőtsch
5
4/11/21
Big Integers (larger than long)
Another option, GCC's __int128 extension as guid: https://github.com/adotsch/c-extensions-to-q On
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Big Integers (larger than long)
Another option, GCC's __int128 extension as guid: https://github.com/adotsch/c-extensions-to-q On
4/11/21
Emily Wilson
, …
Matthew Clark
5
4/11/21
How to calculate correlation every few rows
Thank you so much Matthew! I will try it out! On Tuesday, April 6, 2021 at 10:16:01 AM UTC-4 matthe..
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How to calculate correlation every few rows
Thank you so much Matthew! I will try it out! On Tuesday, April 6, 2021 at 10:16:01 AM UTC-4 matthe..
4/11/21
Emily Wilson
, …
Nick Psaris
4
4/11/21
How to replace first n entries in a column with 0N
Thank you so much for your help, Nick! On Saturday, April 10, 2021 at 3:13:43 PM UTC-4 Nick wrote: if
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How to replace first n entries in a column with 0N
Thank you so much for your help, Nick! On Saturday, April 10, 2021 at 3:13:43 PM UTC-4 Nick wrote: if
4/11/21
kadir.k...@alaricsecurities.com
, …
Alvi Kabir
7
3/25/21
Fluctuation in Streaming
Thank you very much for all the ideas and help. We are testing as you suggest and will update you.
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Fluctuation in Streaming
Thank you very much for all the ideas and help. We are testing as you suggest and will update you.
3/25/21
Chang Yann
,
rocuin...@gmail.com
3
3/24/21
Question about linux-arm version for Raspberry Pi
Hi, Thanks very much for your reply. I have tried your solution by renaming and profile change. But
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Question about linux-arm version for Raspberry Pi
Hi, Thanks very much for your reply. I have tried your solution by renaming and profile change. But
3/24/21
Mathias Gaunard
2
3/24/21
C API: deserialization fails when connected in same process
On Mon, 22 Mar 2021 at 11:36, Mathias Gaunard <mathias...@gmail.com> wrote: > There
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C API: deserialization fails when connected in same process
On Mon, 22 Mar 2021 at 11:36, Mathias Gaunard <mathias...@gmail.com> wrote: > There
3/24/21
Carfield Yim
,
David Demner
2
3/18/21
Question about fncol function in dbmaint
No You have to loop through allpaths and update that way. Something like this [totally untested] code
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Question about fncol function in dbmaint
No You have to loop through allpaths and update that way. Something like this [totally untested] code
3/18/21
charles li
,
Robert Coen
3
3/18/21
how to load csv into a table and make it keyed at the meantime, thanks
thanks, I now use xkey, it's more flexible 在2021年3月18日星期四 UTC+8 上午2:10:56<rober...@aquaq.co.uk
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how to load csv into a table and make it keyed at the meantime, thanks
thanks, I now use xkey, it's more flexible 在2021年3月18日星期四 UTC+8 上午2:10:56<rober...@aquaq.co.uk
3/18/21
Ronald K.L. Ng
3/16/21
Unable to run 64 or 32 bit kdb+ to ppc64le IBM P9 server
As subject, can't run q and show must provide a query in command line, or through the file with
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Unable to run 64 or 32 bit kdb+ to ppc64le IBM P9 server
As subject, can't run q and show must provide a query in command line, or through the file with
3/16/21
Dean Williams
, …
Alvi Kabir
6
3/15/21
Function within a function
Alvi That was very a interesting solution. Thank you. On Mar 15, 2021, at 17:17, Alvi Kabir <alvi.
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Function within a function
Alvi That was very a interesting solution. Thank you. On Mar 15, 2021, at 17:17, Alvi Kabir <alvi.
3/15/21