oTree help & discussion

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Yan Yi Fong, Chris @ oTree3

4:48 PM

Application error (500) TemplateLoadError: Loader cannot locate the template file "./X.html"l

Hello, thank you very much, it worked out! Both of my servers weren't running on the same version

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Application error (500) TemplateLoadError: Loader cannot locate the template file "./X.html"l

Hello, thank you very much, it worked out! Both of my servers weren't running on the same version

4:48 PM

Juanfran, Chris @ oTree5

11:58 AM

Return different object types to vars_for_template

Yes, in this case, it is intended just to compute the time and save it in the correspondent fields.

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Return different object types to vars_for_template

Yes, in this case, it is intended just to compute the time and save it in the correspondent fields.

11:58 AM

Hakan Pusmaz, Chris @ oTree8

5:58 AM

Control number of participants for each session

Thank you, Chris! I will try it with session.vars. Chris @ oTree schrieb am Samstag, 17. April 2021

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Control number of participants for each session

Thank you, Chris! I will try it with session.vars. Chris @ oTree schrieb am Samstag, 17. April 2021

5:58 AM

Apr 16

Payment from the random round

Hi All, I want to pick one random round for the payment. I have three rounds and three tasks, and

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Payment from the random round

Hi All, I want to pick one random round for the payment. I have three rounds and three tasks, and

Apr 16

Hyoeun Park, Chris @ oTree3

Apr 16

Randomize Page Sequence

It works now!!! Thanks a lot Chris! 2021년 4월 16일 금요일 오전 11시 3분 11초 UTC-4에 Chris @ oTree님이 작성: In the

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Randomize Page Sequence

It works now!!! Thanks a lot Chris! 2021년 4월 16일 금요일 오전 11시 3분 11초 UTC-4에 Chris @ oTree님이 작성: In the

Apr 16

Emma Andripo, Chris @ oTree2

Apr 16

app sequence & fixed order

You can create 3 session configs, each one with a different app_sequence. On Friday, April 16, 2021

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app sequence & fixed order

You can create 3 session configs, each one with a different app_sequence. On Friday, April 16, 2021

Apr 16

Emine Özge Yurdakurban, Chris @ oTree2

Apr 16

Server Error at session

Try resetting the DB Sent from my phone On Apr 16, 2021, at 6:37 PM, Emine Özge Yurdakurban <

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Server Error at session

Try resetting the DB Sent from my phone On Apr 16, 2021, at 6:37 PM, Emine Özge Yurdakurban <

Apr 16

Xperia Tipo, Chris @ oTree3

Apr 16

otree studio [object Blob] error

Thank you, that was really the problem. Chris @ oTree schrieb am Freitag, 16. April 2021 um 12:14:39

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otree studio [object Blob] error

Thank you, that was really the problem. Chris @ oTree schrieb am Freitag, 16. April 2021 um 12:14:39

Apr 16

lal....@yahoo.com

Apr 16

Change the size of Chatbox

I've used <aside> to change the position of the Chatbox. But I wish to make it look nicer.

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Change the size of Chatbox

I've used <aside> to change the position of the Chatbox. But I wish to make it look nicer.

Apr 16

tae...@gmail.com, Chris @ oTree3

Apr 16

[Sentry] HUB-987-1J - LocalProtocolError: Too much data for declared Content-Length

Hi, Thank you for reply. I think that it was because I put one of my video files in my _static folder

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[Sentry] HUB-987-1J - LocalProtocolError: Too much data for declared Content-Length

Hi, Thank you for reply. I think that it was because I put one of my video files in my _static folder

Apr 16

Alecia, Chris @ oTree4

Apr 16

RuntimeError: “csrfmiddlewaretoken”

Ok, by the way could you send me the sentry issue? Sent from my phone On Apr 16, 2021, at 11:33 AM,

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RuntimeError: “csrfmiddlewaretoken”

Ok, by the way could you send me the sentry issue? Sent from my phone On Apr 16, 2021, at 11:33 AM,

Apr 16

Duygu Yalinkilinc (Alumni)

Apr 15

Creating lists in templates (Race Game,Cont'd)

Hello, I have been trying to reply a message from a thread but somehow I couldn't. That's why

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Creating lists in templates (Race Game,Cont'd)

Hello, I have been trying to reply a message from a thread but somehow I couldn't. That's why

Apr 15

dklin...@gmail.com, Chris @ oTree3

Apr 15

forms.my_field.errors displaying parentheses on page

Thanks so much, Chris. That solved it. On Thursday, April 15, 2021 at 8:18:23 AM UTC-7 Chris @ oTree

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forms.my_field.errors displaying parentheses on page

Thanks so much, Chris. That solved it. On Thursday, April 15, 2021 at 8:18:23 AM UTC-7 Chris @ oTree

Apr 15

tyleo...@gmail.com, Chris @ oTree3

Apr 15

Testing Custom Exports

Thanks for getting back to me. I've found where I needed to tweak otree-core to get it to output

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Testing Custom Exports

Thanks for getting back to me. I've found where I needed to tweak otree-core to get it to output

Apr 15

cptpi...@gmail.com2

Apr 15

Error on participants side when using secure_urls

We had this problem occuring regularly around 5-8 times at a total of ~120 participants. We figured

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Error on participants side when using secure_urls

We had this problem occuring regularly around 5-8 times at a total of ~120 participants. We figured

Apr 15

Daniel Heuser, Chris Crabbe3

Apr 15

Payoff Results in the end of the experiment (across different apps)

Thank Chris, This i vars_for_template(self) code in the app2.pages: self.player.total_return_B = \

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Payoff Results in the end of the experiment (across different apps)

Thank Chris, This i vars_for_template(self) code in the app2.pages: self.player.total_return_B = \

Apr 15

Lukas von Flüe, … Chris @ oTree7

Apr 14

hide next button until video finished

Try using your browser's javascript console to check for errors and use console.log to see if

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hide next button until video finished

Try using your browser's javascript console to check for errors and use console.log to see if

Apr 14

FRANCESCA FEDERICO, Chris @ oTree2

Apr 14

Heroku Postgres and Redis

if you're adding resources from outside of oTree Hub, you will need to promote them yourself.

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Heroku Postgres and Redis

if you're adding resources from outside of oTree Hub, you will need to promote them yourself.

Apr 14

Apr 14

Accessing participant variables from previous apps to create groups

Hi, I would like to use a value that was set in app A to create a group in app B. How can I access a

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Accessing participant variables from previous apps to create groups

Hi, I would like to use a value that was set in app A to create a group in app B. How can I access a

Apr 14

nina...@gmail.com

Apr 13

Manually set id_in_group

Hi all, I'm wondering if it's possible to manually set the id_in_group for all participants

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Manually set id_in_group

Hi all, I'm wondering if it's possible to manually set the id_in_group for all participants

Apr 13

Juanfran, Chris Crabbe5

Apr 13

Deploying experiment with GitHub

I understand, thanks Chris! El mar., 13 abr. 2021 20:49, Chris Crabbe <ccrabbe@gmail.com>

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Deploying experiment with GitHub

I understand, thanks Chris! El mar., 13 abr. 2021 20:49, Chris Crabbe <ccrabbe@gmail.com>

Apr 13

Elias Bouacida, Chris @ oTree3

Apr 13

Where is my error in is_displayed()?

There was no quote for the page sequence in my code. That's a bad copy pasting. Thanks for the

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Where is my error in is_displayed()?

There was no quote for the page sequence in my code. That's a bad copy pasting. Thanks for the

Apr 13

Charlie Pilgrim, Chris @ oTree3

Apr 13

Timeout on Wait Page without using group_by_arrival_time

Thanks Chris for the prompt reply. I'll try and set the group to the existing group. We're

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Timeout on Wait Page without using group_by_arrival_time

Thanks Chris for the prompt reply. I'll try and set the group to the existing group. We're

Apr 13

Joseph Kimani, Tommaso Batistoni2

Apr 13

Group matching based on ethnic group

This should work (it is in the self format, as probably more familiar, and it assumes ethnicity

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Group matching based on ethnic group

This should work (it is in the self format, as probably more familiar, and it assumes ethnicity

Apr 13

Irtaza Ali Ajmal, Rok34

Apr 13

Random Treatments

Hello Rok, Hope you are doing well. I've some doubts about a payment app. I was hoping maybe you

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Random Treatments

Hello Rok, Hope you are doing well. I've some doubts about a payment app. I was hoping maybe you

Apr 13

Gergely Horváth, … Rok4

Apr 13

Thanks a lot for the answers. It works now, the issue was with my browser and the missed parenthesis.

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Thanks a lot for the answers. It works now, the issue was with my browser and the missed parenthesis.

Apr 13

Andreas, Chris @ oTree3

Apr 13

Info on same page - live page

thank you. Chris @ oTree schrieb am Dienstag, 13. April 2021 um 02:18:18 UTC+2: Just a regular page

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Info on same page - live page

thank you. Chris @ oTree schrieb am Dienstag, 13. April 2021 um 02:18:18 UTC+2: Just a regular page

Apr 13

Apr 12

Error with auto submission page

I have an auto submission which is set to 300. The attached error occur only on the first page

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Error with auto submission page

I have an auto submission which is set to 300. The attached error occur only on the first page

Apr 12

Daniel Frey, … Chris Crabbe4

Apr 12

MTurk: when is grant_qualification_id executed?

Hi all - I have a semi-related question: If I wanted to grant a 2nd qualification when a player

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MTurk: when is grant_qualification_id executed?

Hi all - I have a semi-related question: If I wanted to grant a 2nd qualification when a player

Apr 12

Cam, Chris @ oTree3

Apr 12

modify the size of LongStringField input area

Hi Chris, Thank you so much for your prompt reply! It worked with the rows, but I am not able to

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modify the size of LongStringField input area

Hi Chris, Thank you so much for your prompt reply! It worked with the rows, but I am not able to

Apr 12

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