varas | Python Pratt parser framework | Parser library
kandi X-RAY | varas Summary
kandi X-RAY | varas Summary
Varas is a python Pratt parser framework, which aims to be general purpose and easy to use.
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Top functions reviewed by kandi - BETA
- Adds binary op
- Return expression
- Add infix handler function
- Process infix tokens
- Handle prefix actions
- Returns the index of the given token
- Get the next token
- True if the token is at the end of the token
- Adds a unary op
- Register a prefix handler function
- Compare two tokens
- Register a word handler function
- Add a prefix handler function
varas Key Features
varas Examples and Code Snippets
Community Discussions
Trending Discussions on varas
QUESTION
I'm trying to make an aggregate pipeline where I know that the last match won't find a result, but I still want to get what I got until there. Do y'all know how I can get this?
The aggregation query is:
...ANSWER
Answered 2020-Feb-14 at 01:28You could do that by using $addFields & $cond which conditionally adds same field Varas
or null
, So add this stage as last stage to your existing pipeline :
QUESTION
I am trying to update my Tkinter table with live data. So Far I've managed to create the GUI and set values from the API in the table's labels. However I can't seem to update it once the window's main loop is running. Here is a sample of my code so far:
...ANSWER
Answered 2020-Jan-21 at 17:30When your script gets to mainloop() it stops there and won’t do anything else. There are a couple ways to get around this. The first option is instead of mainloop(), put your querie in a while True loop with window.update() at the end. This way you’ve built your own loop that updates Tkinter, like mainloop(), but that still allows you to run code inside the loop. Second option would be to have a querie function that after some amount of time will call itself again, using a widget’s after method. You can read up on that here: https://effbot.org/tkinterbook/widget.htm
QUESTION
I have a form to edit a resource and unlike all other posts, I want to process it as HTML and not as JS.
I have no idea why I'm getting Processing by UserDataController # edit_contact as JS
instead of HTML.
Also I have removed turbolinks, but several other forms that I generated with scaffold that work well (they are being processed as HTML instead of JS), but this custom form that I made is doing the opposite, so I don't know what could this be.
The entire controller is:
...ANSWER
Answered 2018-Apr-08 at 11:09form_with
helper has remote: true
option by default in Rails 5. You need to add local: true
to change it's behaviour to working through html
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